Chi-Yuan Kuo, Jia-Heng Zhu, Yun-Ping Chiu, I-Chih Ni, Mei-Hsin Chen, Yuh-Renn Wu, and Chih-I Wu*, “Graphene-All-Around Cobalt Interconnect with a Back-End-of-Line Compatible Process,” Nano Letters, 24, 2102-2109, Jan. 2024
Yun-Pin Chiu, Hsin-Wen Huang, and Yuh-Renn Wu*, “Utilizing the Janus MoSSe surface polarization in designing complementary metal-oxide-semiconductor field-effect transistors,” Physical Review Applied, 21, 044046, 2024
Chun-Hao Hsieh, Jun-Yu Huang, Yuh-Renn Wu*, “Analysis of two-terminal perovskite/silicon tandem solar cells with differing texture structure, perovskite carrier lifetime, and tunneling junction quality,” Journal of Applied Physics, 135, 115002, 2024
Parvez Akhtar, Hsiao-Chun Hung, Henam Sylvia Devi, Yuh-Renn Wu, Madhusudan Singh*, “Defect-assisted hole transport through transition metal oxide-based injection layers for passivated nanocrystalline CsPbBr3 emissive thin films: A combined experimental and modeling study,” Journal of Applied Physics, 135, 054501, 2024
Lin,Wu,Kuo,Wong,DenBaars,Nakamura,Pandey,Mi,Tian,Ohkawa,Iida,Wang,Cai,Bai,Yang,Qian,Wu,Han,Chen,Liu,Hyun,Kim,Jang,Kim,Lee,Liu,Lai,Li,Meng,Shen,Liu,Wang,Liang,Luo,Fang, “The micro-LED roadmap: status quo and prospects,” Journal of Physics: Photonics, 5, 042502-undefined, Oct. 2023
Tanay Tak*, Cameron W. Johnson, Wan Ying Ho, Feng Wu, Mylène Sauty, Steve Rebollo, Andreas K. Schmid, Jacques Peretti, Yuh-Renn Wu, Claude Weisbuch, and James S. Speck, “Injection mechanisms in a III-nitride light-emitting diode as seen by self-emissive electron microscopy,” Physical Review Applied, 20, 064045, 2023
Tsung-Yin Tsai, Kai Shek Qwah, Jean-Philippe Banon, Marcel Filoche, Claude Weisbuch, Yuh-Renn Wu*, and James S. Speck*,, “Carrier localization in III-nitride versus conventional III-V semiconductors: A study on the effects of alloy disorder using landscape theory and the Schrödinger equation,” Physical Review Applied, 20, 044060, 2023
Hwan-Hee Cho*, Sebastian Gorgon, Hsiao-Chun Hung, Jun-Yu Huang, Yuh-Renn Wu, Feng Li, Neil C. Greenham, Emrys W. Evans, and Richard H. Friend, “Efficient and Bright Organic Radical Light‐Emitting Diodes with Low Efficiency Roll‐Off,” Advanced Materials, 35, 094001, 2023
Ying-Chuan Chen, Yu-Ting Chao, Edward Chen, Chao-Hsin Wu, and Yuh-Renn Wu*, “Studies of two-dimensional material resistive random-access memory by kinetic Monte Carlo simulations,” Physical Review Materials, 7, 094001, 2023
Yi Chao Chow*, Tanay Tak, Feng Wu, Jacob Ewing, Shuji Nakamura, Steven P DenBaars, Yuh-Renn Wu, Claude Weisbuch, and James S Speck, “Origins of the high-energy electroluminescence peaks in long-wavelength (∼495–685 nm) InGaN light-emitting diodes,” Applied Physics Letters, 123, 091103, 2023
Kuan-Hao Chiao and Yuh-Renn Wu*, “Micromagnetic simulations for deterministic switching in SOT-MRAM cell with additional heavy metal capping strip,” Applied Physics Letters, 122, 142403, 2023
Jun-Yu Huang, Hsiao-Chun Hung, Kung-Chi Hsu, Chia-Hsun Chen, Pei-Hsi Lee, Hung-Yi Lin, Bo-Yen Lin, Man-kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Richard Friend, Yuh-Renn Wu*, “Numerical Analysis and Optimization of a Hybrid Layer Structure for Triplet–Triplet Fusion Mechanism in Organic Light‐Emitting Diodes,” Advanced Theory and Simulations, 6, 2200633, 2023
Cho,Feldmann,Yeom,Jang,Kahmann,Huang,Yang,Khayyat,Wu,Choi,Noh,Stranks,Greenham, “Efficient vertical charge transport in polycrystalline halide perovskites revealed by four-dimensional tracking of charge carriers,” Nature Materials, 21, 1388-1395, Nov. 2022
Chang,Shen,Tang,Wu,Kuo,Lin,Wu,Huang, “Process improvement of p-GaN HEMTs with a u-GaN etching buffer layer inserted,” Applied Physics Express, 15, 116503-undefined, Nov. 2022
Jun-Yu Huang, You-Wei Yang, Wei-Hsuan Hsu, En-Wen Chang, Mei-Hsin Chen, and Yuh-Renn Wu*, “Influences of dielectric constant and scan rate on hysteresis effect in perovskite solar cell with simulation and experimental analyses,” Scientific report, 12, , 7927, May 2022
Hsiu-Chi Pai and Yuh-Renn Wu*, “Investigating the high field transport properties of Janus WSSe and MoSSe by DFT analysis and Monte Carlo simulations,” Journal of Applied Physics, 131, 144303, Apr. 2022
K. S. Qwah*, M. Monavarian, W. Y. Ho, Y.-R. Wu, J. S. Speck, “Vertical hole transport through unipolar InGaN quantum wells and double heterostructures,” Physical Review Materials, 6, 044602, Apr. 2022
Cheng-Han Ho, Shih-Min Chen, Yuh-Renn Wu*, “Study of the Factors Limiting the Efficiency of Vertical-Type Nitride- and AlInGaP-Based Quantum-Well Micro-LEDs,” Processes, 10, 489-undefined, Feb. 2022
Chen-Ming Chuang, Yun-Hsiu Cheng, and Yuh-Renn Wu*, “Electro-Optical Numerical Modeling for the Design of UVA Nitride-Based Vertical-Cavity Surface-Emitting Laser Diodes,” IEEE Journal of Selected Topics in Quantum Electronics, 28, 1-6, Jan. 2022
Pin-Fang Chen, Edward Chen, Yuh-Renn Wu*, “Design of Monolayer MoS₂ Nanosheet Transistors for Low-Power Applications,” IEEE Transactions on Electron Devices, 69, 1, 358-363, Jan. 2022
Chung-Chi Chen, Ting-Chun Huang, Yu-Wei Lin, Yu-Ren Lin, Ping-Hsiu Wu, Ping-Wei Liou, Hao-Yu Hsieh, Yang-Yi Huang, Shaobo Yang, Yuh-renn Wu, and C. C. Yang*, “Hole mobility behavior in Al-gradient polarization-induced p-type AlGaN grown on GaN template,” Appl. Phys. Lett., 120, 022103, Jan. 2022
Cheng-Han Ho, James S. Speck, Claude Weisbuch, and Yuh-Renn Wu*, “Efficiency and Forward Voltage of Blue and Green Lateral LEDs with V-shape defects and Random Alloy Fluctuation in Quantum Wells,” Physical review applied, 17, 014033, Jan. 2022
Ray-Hua Horng, Chun-Xin Ye, Po-Wei Chen, Daisuke Iida, Kazuhiro Ohkawa, Yuh-Renn Wu, and Dong-Sing Wuu, “Study on the effect of size on InGaN red micro-LEDs,” Scientific Reports, 12, 1324, Jan. 2022
Lynsky,Lheureux,Bonef,Qwah,White,DenBaars,Nakamura,Wu,Weisbuch,Speck, “Improved Vertical Carrier Transport for Green III-Nitride LEDs Using Alloy Quantum Barriers,” Physical Review Applied, 17, 2022
Huan-Ting Shen, Yu-Chieh Chang, and Yuh-Renn Wu*, “Analysis of Light‐Emission Polarization Ratio in Deep‐Ultraviolet Light‐Emitting Diodes by Considering Random Alloy Fluctuations with the 3D k·p Method,” physica status solidi (RRL) – Rapid Research Letters, undefined, 2100498-undefined, Nov. 2021
Huan-Ting Shen, Claude Weisbuch, James S. Speck, and Yuh-Renn Wu*, “Three-Dimensional Modeling of Minority-Carrier Lateral Diffusion Length Including Random Alloy Fluctuations in (In,Ga)N and (Al,Ga)N Single Quantum Wells,” Physical Review Applied, 16, 024054, Sept. 2021
Yue Zhao, Tsung-Yin Tsai, Gang Wu, Cormac Ó Coileáin, Yan-Feng Zhao, Duan Zhang, Kuan-Ming Hung, Ching-Ray Chang, Yuh-Renn Wu*, and Han-Chun Wu*, “Graphene/SnS2 van der Waals Photodetector with High Photoresponsivity and High Photodetectivity for Broadband 365–2240 nm Detection,” ACS Applied Materials & Interfaces, 13, 47198-47207, Sept. 2021
Shreekant Sinha, Fu-Gow Tarntair, Cheng-Han Ho, Yuh-Renn Wu, and Ray-Hua Horng*, “Investigation of Electrical and Optical Properties of AlGaInP Red Vertical Micro-Light-Emitting Diodes With Cu/Invar/Cu Metal Substrates,” IEEE Transactions on Electron Devices, 68, 2818-2822, Jun. 2021
Kai Shek Qwah*, Christian A. Robertson, Yuh-Renn Wu and James Speck, “Modeling dislocation-related reverse bias leakage in GaN p-n diodes,” Semiconductor Science and Technology, 36, 075001, Jun. 2021
Ji-Xuan Yang; Dai-Jie Lin; Yuh-Renn Wu; Jian-Jang Huang*, “Deep Source Metal Trenches in GaN-On-Si HEMTs for Relieving Current Collapse,” IEEE Journal of the Electron Devices Society, 9, 557-563, May 2021
Wenjie Yan, Huei-Ru Fuh, Yanhui Lv, Ke-Qiu Chen, Tsung-Yin Tsai, Yuh-Renn Wu, Tung-Ho Shieh, Kuan-Ming Hung*, Juncheng Li, Duan Zhang, Cormac Ó Coileáin, Sunil K Arora, Zhi Wang, Zhaotan Jiang, Ching-Ray Chang, Han-Chun Wu*, “Giant gauge factor of Van der Waals material based strain sensors,” Nature Communications, 12, 2018, Apr. 2021
Wan Yu Wu, Yu Hsuan Hsu, Yi Fan Chen, Yuh Renn Wu, Han Wen Liu, Tse Yi Tu, Paul P.C. Chao, Chih Shan Tan, Ray-Hua Horng*, “Wearable Devices Made of a Wireless Vertical-Type Light-Emitting Diode Package on a Flexible Polyimide Substrate with a Conductive Layer,” ACS Applied Electronic Materials, 3, 979-987, Feb. 2021
Guillaume Lheureux*, Cheyenne Lynsky, Yuh-Renn Wu, James S. Speck, and Claude Weisbuch, “A 3D simulation comparison of carrier transport in green and blue c-plane multiquantum well nitride light emitting diodes,” J. Appl. Phys., 128, 235703, Dec. 2020
Jun-Yu Huang, Jiun-Haw Lee, and Yuh-Renn Wu*, Tse-Ying Chen and Yu-Cheng Chiu,Jau-Jiun Huang and Man-kit Leung, Tien-Lung Chiu,, “Revealing the mechanism of carrier transport in host-guest systems of organic materials with a modified Poisson and drift-diffusion solver,” Phys. Rev. Materials, 4, 125602, Dec. 2020
Claude Weisbuch*, Shuji Nakamura, Yuh-Renn Wu, and James S. Speck , “Disorder effects in nitride semiconductors: impact on fundamental and device properties,” Nanophotonics, 10, 3-21, Nov. 2020
Jiun-Haw Lee, Chia-Hsun Chen, Bo-Yen Lin, Yi-Hsin Lan, Yi-Mei Huang, Nai-Jing Chen, Jau-Jiun Huang, Dmytro Volyniuk, Rasa Keruckiene, Juozas Vidas Grazulevicius, Yuh-Renn Wu, Man-kit Leung,* and Tien-Lung Chiu*, “Bistriazoles with a Biphenyl Core Derivative as an Electron-Favorable Bipolar Host of Efficient Blue Phosphorescent Organic Light-Emitting Diodes,” ACS Applied Materials & Interfaces, 12, 44, 49895-49904, Oct. 2020
Amano et. al., “The 2020 UV emitter roadmap,” Journal of Physics D: Applied Physics, 53, 503001-undefined, Sept. 2020
Tsung-Yin Tsai, Pin-Fang Chen, Shu-Wei Chang, Yuh-Renn Wu*, “Studies of 2D Bulk and Nanoribbon Band Structures in MoxW1–xS2 Alloy System Using Full sp3d5 Tight‐Binding Model,” physica status solidi (b), undefined, 2000375-undefined, Sept. 2020
Kai Shek Qwah*, Morteza Monavarian*, Guillaume Lheureux, Jianfeng Wang, Yuh-Renn Wu, and James S. Speck, “Theoretical and experimental investigations of vertical hole transport through unipolar AlGaN structures: Impacts of random alloy disorder,” Applied Physics Letters, 117, 022107-undefined, Jul. 2020
Yi Chao Chow*, Changmin Lee, Matthew Wong, Yuh-Renn Wu, Shuji Nakamura, Steven P. DenBaars, John Bowers, James S. Speck,, “Dependence of carrier escape lifetimes on quantum barrier thickness in InGaN/GaN multiple quantum well photodetectors,” Optics Express, 28, 23796-undefined, Jul. 2020
Ching-Wen Chang, Paritosh V Wadekar, Hui-Chun Huang, Quark Yung-Sung Chen, Yuh-Renn Wu, Ray T Chen, Li-Wei Tu*, “Light Trapping Induced High Short-Circuit Current Density in III-Nitride Nanorods/Si (111) Heterojunction Solar Cells,” Nanoscale Research Letters, 15, 167, Jul. 2020
Chun-Lin Yu, Chih-Hao Lin, and Yuh-Renn Wu*, “Analysis and optimization of GaN based Multi-channels FinFETs,” IEEE Transactions on nanotechnology, 19,, 439-445, Jun. 2020
Cheyenne Lynsky*, Abdullah I. Alhassan, Guillaume Lheureux, Bastien Bonef, Steven P. DenBaars, Shuji Nakamura, Yuh-Renn Wu, Claude Weisbuch, and James S. Speck, “Barriers to carrier transport in multiple quantum well nitride-based c-plane green light emitting diodes,” Phys. Rev. Materials, 4, 054604, May 2020
Jun-Yu Huang, Mei-Tan Wang, Guan-Yu Chen, Jung-Yu Li, Shih-Pu Chen, Jiun-Haw Lee, Tien-Lung Chiu, and Yuh-Renn Wu*, “Analysis of the Triplet Exciton Energy Transfer Mechanism at Heterojunction of Organic Light-Emitting Diode,” Journal of physics D, applied physics, 53, 345501, Apr. 2020
Piotr Martyniuk*, Krystian Michalczewski, Tsung-Yin Tsai, Chao-Hsin Wu, and Yuh-Renn Wu, “A Thermoelectrically Cooled nBn Type‐II Superlattices InAs/InAsSb/B‐AlAsSb Mid‐Wave Infrared Detector,” physica status solidi (a), on line now, 1900522, Feb. 2020
Saulius Marcinkevičius, Rinat Yapparov, Leah Y. Kuritzky, Yuh-Renn Wu, Shuji Nakamura, and James S. Speck, “Low-temperature carrier transport across InGaN multiple quantum wells: Evidence of ballistic hole transport,” Physical Review B, 101, 075305, Feb. 2020
Tsung-Yin Tsai, Krystian Michalczewski, Piotr Martyniuk, Chao-Hsin Wu, and Yuh-Renn Wu*, “Application of localization landscape theory and the k · p model for direct modeling of carrier transport in a type II superlattice InAs/InAsSb photoconductor system,” Journal of Applied Physics, 127, 033104, Jan. 2020
Christian Andrew Robertson*, Kai Shek Qwah, Yuh-Renn Wu, James S. Speck, “Modeling dislocation-related leakage currents in GaN p-n diodes,” Journal of Applied Physics, 126, 245705, Dec. 2019
Jun-Yu Huang, En-Wen Chang, and Yuh-Renn Wu*, “Optimization of MAPbI$_3$-Based Perovskite Solar Cell With Textured Surface,” IEEE Journal of Photovoltaics, 9, 1686-1692, Nov. 2019
Chih-Chieh Chen*, Shiue-Yuan Shiau, Ming-Feng Wu, and Yuh-Renn Wu*, “Hybrid classical-quantum linear solver using Noisy Intermediate-Scale Quantum machines,” Scientific Reports, 9, 16251, Nov. 2019
P. Martyniuk*, K. Michalczewski, T.Y. Tsai, C.H. Wu and Y.R. Wu, “Theoretical modelling of XBn T2SLs InAs/InAsSb/B-AlAsSb mid-wave detector operating below thermoelectrical cooling,” Opto-Electronics Review, 27, 275-281, Sept. 2019
Krystian Michalczewski*, Piotr Martyniuk, Łukasz Kubiszyn, Chao-Hsin Wu, Yuh-Renn Wu, Jarek Jureńczyk, Antoni Rogalski, Jozef Piótrowski, “Demonstration of the Very Long Wavelength Infrared Type-II Superlattice InAs/InAsSb GaAs Immersed Photodetector Operating at Thermoelectric Cooling,” IEEE Electron Device Letters, 40, 1396-1398, Sept. 2019
Saulius Marcinkevičius*, Rinat Yapparov, Leah Y Kuritzky, Yuh-Renn Wu, Shuji Nakamura, Steven P DenBaars, James S Speck, “Interwell carrier transport in InGaN/(In) GaN multiple quantum wells,” Applied Physics Letters, 114, 15, 151103, Apr. 2019
Li-Cheng Chang, Jhih-Hao Lin, Cheng-Jia Dai, Ming Yang, Yi-Hong Jiang, Yuh-Renn Wu, and Chao-Hsin Wu*, “Systematic investigation of the thresholdvoltage modulation of AlGaN/GaN Schottky-gate Fin-HEMTs,” J. Appl. Phys., 125, 094502, Mar. 2019
Han‐Wei Hsiao and Yuh‐Renn Wu*, “3D Self‐Consistent Quantum Transport Simulation for GaAs Gate‐All‐Around Nanowire Field‐Effect Transistor with Elastic and Inelastic Scattering Effects,” physica status solidi (a), 216, 1800524, 2019
Hung-Hsiang Chen, James S Speck, Claude Weisbuch, Yuh-Renn Wu*, “Three dimensional simulation on the transport and quantum efficiency of UVC-LEDs with random alloy fluctuations,” Applied Physics Letters, 113, 153504, 2018
W. Hahn, J-M Lentali, P Polovodov, N Young, S Nakamura, JS Speck, C Weisbuch, M Filoche, Y-R Wu, M Piccardo, F Maroun, L Martinelli, Y Lassailly, J Peretti*, “Evidence of nanoscale Anderson localization induced by intrinsic compositional disorder in InGaN/GaN quantum wells by scanning tunneling luminescence spectroscopy,” Physical Review B, 98, 4, 045305, 2018
Wen-Yen Chang, Yang Kuo, Yu-Feng Yao, CC Yang, Yuh-Renn Wu, and Yean-Woei Kiang*, “Different surface plasmon coupling behaviors of a surface Al nanoparticle between TE and TM polarizations in a deep-UV light-emitting diode,” Optics Express, 26 (7), 8340-8355, 2018
Chia-Ying Su, Meng-Che Tsai, Keng-Ping Chou, Hsin-Chun Chiang, Huang-Hui Lin, Ming-Yen Su, Yuh-Renn Wu, Yean-Woei Kiang, CC Yang*, “Method for enhancing the favored transverse-electric-polarized emission of an AlGaN deep-ultraviolet quantum well,” Optics express, 25, 26365-26377, Oct. 2017
Te-Jen Kung, Jun-Yu Huang, Jau-Jiun Huang, Snow H. Tseng, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, and Yuh-Renn Wu*, “Modeling of carrier transport in organic light emitting diode with random dopant effects by two-dimensional simulation,” Optics Express, 25, 25492-25503, Sept. 2017
Shuo-Fan Chen and Yuh-Renn Wu*, “A design of intermediate band solar cell for photon ratchet with multi-layer MoS2 nanoribbons,” Appl. Phys. Lett., 110, 201109, Aug. 2017
C. Y. Su; C. G. Tu; W. H. Liu; C. H. Lin; Y. F. Yao; H. T. Chen; Y. R. Wu; Y. W. Kiang; C. C. Yang*, “Enhancing the Hole-Injection Efficiency of a Light-Emitting Diode by Increasing Mg Doping in the p-AlGaN Electron-Blocking Layer,” IEEE Transactions on Electron Devices,, 64, 3226-3233, May 2017
Chi-Kang Li, Marco Piccardo, Li-Shuo Lu, Svitlana Mayboroda, Lucio Martinelli, Claude Weisbuch, Marcel Filoche, Yuh-Renn Wu, “Localization landscape theory of disorder in semiconductors III: Application to transport and radiative recombination in light emitting diodes.,” Phys. Rev. B, 95, 144206, Apr. 2017
Marco Piccardo, Chi-Kang Li, Yuh-Renn Wu, James S. Speck, Bastien Bonef, Bob Farrell, Marcel Filoche, Lucio Martinelli, Jacques Peretti, and Claude Weisbuch, “Localization landscape theory of disorder in semiconductors II: Urbach tails of disordered quantum well layers,” Phys. Rev. B, 95, 144205, Apr. 2017
Marcel Filoche, Marco Piccardo, Yuh-Renn Wu, Chi-Kang Li, Claude Weisbuch, and Svitlana Mayboroda, “Localization landscape theory of disorder in semiconductors I: Theory and modeling,” Phys. Rev. B, 95, 144204, Apr. 2017
Jau-Jiun Huang, Lik-Ka Yun, Te-Jen Kung, Chi-Lin Chen, Jiun-Haw Lee, Yuh-Renn Wu, Tien-Lung Chiu, Pi-Tai Chou and Man-kit Leung*, “Networking hole and electron hopping paths by Y-shaped host molecules: promoting blue phosphorescent organic light emitting diodes,” J. Mater. Chem. C, 5, 3600-3608, Apr. 2017
11. Shin-Yi Ho, Chun-Hsun Lee, An-Jye Tzou, Hao-Chung Kuo, Yuh-Renn Wu, and JianJang Huang, “Suppression of Current Collapse in Enhancement Mode GaN-Based HEMTs Using an AlGaN/GaN/AlGaN Double Heterostructure,” IEEE Transactions on Electron Devices,, 64, 1505-1510, Apr. 2017
Heng Li, Hui-Yu Cheng, Wei-Liang Chen, Yi-Hsin Huang, Chi-Kang Li, Chiao-Yun Chang, Yuh-Renn Wu, Tien-Chang Lu*, and Yu-Ming Chang*, “Three dimensional characterization of GaN-based light emitting diode grown on patterned sapphire substrate by confocal Raman and photoluminescence spectromicroscopy,” Scientific Reports, 7, 45519, Mar. 2017
H. T. Chen; C. Y. Su; C. G. Tu; Y. F. Yao; C. H. Lin; Y. R. Wu; Y. W. Kiang; C. C. Yang*, “Combining High Hole Concentration in p-GaN and High Mobility in u-GaN for High p-type Conductivity in a p-GaN/u-GaN Alternating-layer Nanostructure,” IEEE Transactions on Electron Devices, 64, 115-120, Jan. 2017
Shuo-Fan Chen, Yuh-Renn Wu*, “Electronic Properties of MoS2 Nanoribbon under Strain Using Tight Binding Method,” Physica Status Solidi B: Basic Solid State Physics, 254, 2, 1600565, Jan. 2017
Chih-Hsien Cheng, Tzu-Wei Huang, Chung-Lun Wu, Mu Ku Chen, Cheng Hung Chu, Yuh-Renn Wu, Min-Hsiung Shih, Chao-Kuei Lee, Hao-Chung Kuo, Din-Ping Tsai, and Gong-Ru Lin*,, “Transferring the Bendable Substrateless GaN LED Grown on Thin C-rich SiC Buffer Layer to Flexible Dielectric and Metallic Plates,” J. Mater. Chem.C, 5, 607-617, Jan. 2017
Chao-Wei Wu and Yuh-Renn Wu*, “Optimization of thermoelectric properties for rough nano-ridge GaAs/AlAs superlattice structure,” AIP Advances, 6, 115201, Oct. 2016
Kuan-Ying Ho, Chi-Kang Li, Hong-Jhang Syu, Yi Lai, Ching-Fuh Lin and Yuh-Renn Wu*,, “Analysis of the PEDOT:PSS/Si nanowire hybrid solar cell with a tail state model,” J. Appl. Phys., 120, 215501, Oct. 2016
Chi-Kang Li, Chen-Kuo Wu, Chung-Cheng Hsu, Li-Shuo Lu, Heng Li, Tien-Chang Lu and Yuh-Renn Wu*, “3D numerical modeling of the carrier transport and radiative efficiency for InGaN/GaN light emitting diodes with V-shaped pits,” AIP Advances, 6, 055208-1-055208-10, May 2016
Xinhui Chen, Kuan-Ying Ho, and Yuh-Renn Wu*, “Modeling and Optimization of p-AlGaN super lattice structure as the p-contact and transparent layer,” Optics Express, 23, 32367-32376, Dec. 2015
Chih-Chien Pan*, Qimin Yan, Houqiang Fu, Yuji Zhao, Yuh-Renn Wu, Chris Van de Walle, Shuji Nakamura, Steven P. DenBaars, “High optical power and low-efficiency droop blue light-emitting diodes using compositionally step-graded InGaN barrier,” Electronics Letters, 51, 15, 1187-1189, Jul. 2015
David A. Browne, Baishakhi Mazumder, Yuh-Renn Wu, and James S. Speck, “Electron Transport in Unipolar InGaN/GaN Multiple Quantum Well Structures Grown by NH3 Molecular Beam Epitaxy,” J. Appl. Phys., 117, 185703-1-p185703-9, May 2015
H.H.Wang, J. S. Tian, C. Y. Chen, H. H. Huang, Y. C. Yeh, P. Y. Deng, L. Chang ; Y. H. Chu, Y. R. Wu, J. H. He*, “The Effect of Tensile Strain on Optical Anisotropy and Exciton of m-Plane ZnO,” IEEE Photonics Journal, 7, 2, 1-8, Apr. 2015
Finella Lee, Liang-Yu Su, Chih-Hao Wang, Yuh-Renn Wu, and Jianjang Huang*, “Impact of Gate Metal on the Performance of p-GaN/AlGaN/GaN High Electron Mobility Transistors,” IEEE Electron Device Letters, 36, pp232-234, Mar. 2015
Chen-Kuo Wu, Chi-Kang Li, and Yuh-Renn Wu*, “Percolation transport study in nitride based LEDby considering the random alloy fluctuation,” Journal of Computational Electronics, 14, 416-424, Mar. 2015
Hsiang-Wei Li, Yu-Feng Yin, Chen-Yu Chang, Chen-Hung Tsai, Yen-Hsiang Hsu, Da-Wei Lin, Yuh-Renn Wu, Hao-Chung Kuo, and Jian Jang Huang*, “Mechanisms of the Asymmetric Light Output Enhancements in a-Plane GaN Light-Emitting Diodes With Photonic Crystals,” IEEE Journal of Quantum Electronics, 50, pp951-956, Dec. 2014
W. C. Lai*, M. H. Ma, B. K. Lin, B. H. Hsieh, Y. R. Wu, and J. K. Sheu, “Photoelectrochemical hydrogen generation with linear gradient Al composition dodecagon faceted AlGaN/n-GaN electrode,” Optics Express,, 22, A1853-A1861, Nov. 2014
K. Y. Lai, G. J. Lin, Yuh-Renn Wu, Meng-Lun Tsai, and Jr-Hau He*, “Efficiency dip observed with InGaN-based multiple quantum well solar cells,” Optics Express,, 22, pp A1753-A1760, Oct. 2014
Yuji Zhao, Robert M. Farrell, Yuh-Renn Wu, and James S. Speck*, “Valence band states and polarized optical emission from nonpolar and semipolar III-nitride quantum well optoelectronic devices,” Jpn. J. Appl. Phys. –Selected Topics in Applied Physics, 53, p100206, Sept. 2014
Chao-Wei Wu and Yuh-Renn Wu*, “Thermoelectric characteristic of the rough InN/GaN core-shell nanowires,” J. Appl. Phys., 116, 103707, Sept. 2014
Tsung-Jui Yang, Ravi Shivaraman, James S. Speck, and Yuh-Renn Wu*, “The Influence of Random Indium Alloy fluctuations in Indium Gallium Nitride Quantum Wells on the Device Behavior,” J. Appl. Phys, 116, p113104, Sept. 2014
6. Hui-Hsin Hsiao, Hung-Chun Chang, and Yuh-Renn Wu*, “Design of Anti-ring Back Reflectors for Thin-Film Solar Cells Based on Three-Dimensional Optical and Electrical Modeling,” Appl. Phys. Lett., 105, 061108, Aug. 2014
Erin C. H. Kyle, Stephen W. Kaun, Peter G. Burke, Feng Wu, Yuh-Renn Wu, and James S. Speck, “High-electron-mobility GaN grown on free standing GaN templates by ammonia-based molecular beam epitaxy,” J. Appl. Phys., 115, 193702, May 2014
Yen Chou, Hsiang-Wei Li, Yu-Feng Yin, Yu-Ting Wang, Yen-Chen Lin, Da-Wei Lin, Yuh-Renn Wu, Hao-Chung Kuo, and Jian Jang Huang*, “Polarization ratio enhancement of a-plane GaN light emitting diodes by asymmetric two-dimensional photonic crystals,” J. Appl. Phys., 115, p193107, May 2014
Chun-Yao Lee, Chun-Ming Yeh, Yung-Tsung Liu, Chia-Ming Fan, Chien-Fu Huang, and Yuh-Renn Wu*, “The optimization study of textured a-Si:H solar cells,” J. Renewable and Sustainable Energy, 6, p023111, Apr. 2014
Chi-Kang Li, Maarten Rosmeulen, Eddy Simoen, and Yuh-Renn Wu*, “Study on the Optimization for Current Spreading Effect of Lateral GaN/InGaN LEDs,” IEEE Trans Electron Dev., 61, pp511-517, Feb. 2014
Yuji Zhao, Feng Wu, Tsung-Jui Yang, Yuh-Renn Wu, Shuji Nakamura, and James S. Speck, “Atomic-scale nanofacet structure in semipolar (20-2-1) and (20-21) InGaN single quantum wells,” Appl. Phys. Express, 7, p025503, Feb. 2014
Jheng-Han Lee, Zong-Ming Wu, Yu-Min Liao, Yuh-Renn Wu, Shih-Yen Lin, and Si-Chen Lee*, “The Operation Principle of the Well in Quantum Dot stack Infrared Photodetector,” J. Appl. Phys., 114, 244504, Dec. 2013
Chi-Kang Li, Po-Chun Yeh, Jeng-Wei Yu, Lung-Han Peng, and Yuh-Renn Wu*, “Scaling performance of Ga2O3/GaN nanowire field effect transist,” J. Appl. Phys., 114, 163706, Oct. 2013
Yang Kuo, Wen-Yen Chang, Horng-Shyang Chen, Yuh-Renn Wu, C. C. Yang, and Yean-Woei Kiang*, “Surface-plasmon-coupled emission enhancement of a quantum well with a metal nanoparticle embedded in a light-emitting diode,” J. Opt. Soc. Am. B, 30, 10, 2599-2606, Oct. 2013
Kai-Lun Chi, Shu-Ting Yeh, Yu-Hsiang Yeh, Kun-Yan Lin, Jin-Wei Shi*, Yuh-Renn Wu*, M. L. Lee, and J.-K. Sheu, “GaN-Based Dual Color Light-Emitting-Diodes with P-Type Insertion Layer for Controlling the Ratio of Two-Color Intensities,” IEEE Trans Electron Dev., 60, pp2821-2826, Sept. 2013
J. Pal, M. A. Migliorato*, C.-K. Li, Y.-R. Wu, B. G. Crutchley, I. P. Marko, and S. J. Sweeney, “Enhancement of Efficiency of InGaN-based LEDs through Strain and Piezoelectric Field Management,” Journal of Applied Physics, 114, 073104, Aug. 2013
Hsun-Wen Wang, Pei-Chen Yu*, Yuh-Renn Wu*, Hao-Chung Kuo, and Shiuan-Huei Lin, “ Projected efficiency of polarization matched p-InxGa1-xN/i-InyGa1-yN/n-GaN double heterojunction solar cells,” IEEE Journal of photovoltaic, 3, pp985-990, Jul. 2013
D. N. Nath, Z. C. Yang, C.-Y. Lee, P.S. Park, Y.-R Wu, and S. Rajan, “Unipolar Vertical Transport in GaN/AlGaN/GaN Heterostructures,” Applied Physics Letter, 103, 022102, Jul. 2013
Yoshinobu Kawaguchi, Chia-Yen Huang, Yuh-Renn Wu, Yuji Zhao, Steven P. DenBaars, and Shuji Nakamura, “Semipolar (20-21) Single-Quantum-Well Red Light-Emitting Diodes with a Low Forward Voltage,” JJAP, 52, 08JC08, Jun. 2013
Chin-Yi Chen and Yuh-Renn Wu*, “Studying the Short Channel Effect in the Scaling of the AlGaN/GaN Nanowire Transistors,” J. Appl. Phys., 113, 214501, Jun. 2013
Chi-Kang Li, Hung-Chih Yang, Ta-Cheng Hsu, Yu-Jiun Shen, Ai-Sen Liu, and Yuh-Renn Wu*, “Three Dimensional Numerical Study on the Effciency of a Core-shell InGaN/GaNMultiple Quantum Well Nanowire light-emitting diodes,” J. Appl. Phys., 113, 183104, May 2013
Liang-Yi Chen, Chi-Kang Li, Jin-Yi Tan, Li-Chuan Huang, Yuh-Renn Wu and JianJang Huang, “On the Efficiency Decrease of the GaN Light-Emitting Nanorod Arrays,” IEEE Journal of Quantum Electronics, 49, 2, pp224-231, Feb. 2013
Pradeep Senanayake*, Chung-Hong Hung, Alan Farrell, David A. Ramirez, Joshua Shapiro, Chi-Kang Li, Yuh-Renn Wu, Majeed M. Hayat, and Diana L. Huffaker, “Thin 3D Multiplication Regions in Plasmonically Enhanced Nanopillar Avalanche Detectors,” Nano Letters, 12 (12), 6448-6452, Dec. 2012
Jordan Reed Lang, Nathan G. Young, Robert M. Farrell, Yuh-Renn Wu, and James S. Speck, “Carrier escape mechanism dependence on barrier thickness and temperature in InGaN quantum well solar cells,” Appl. Phys. Lett., 101, 181105, Oct. 2012
Ting-Gang Chen, Peichen Yu*, Shih-Wei Chen, Feng-Yu Chang, Bo-Yu Huang, Yu-Chih Cheng1, Jui-Chung Hsiao2, Chi-Kang Li and Yuh-Renn Wu, “Characteristics of large-scale nanohole arrays for thin-silicon photovoltaics,” Prog. Photovolt: Res., Published on line, Oct. 2012
Ingrid L. Koslow*, Matthew T. Hardy, Po Shan Hsu, Po-Yuan Dang, Feng Wu, Alexey Romanov, Yuh-Renn Wu, Erin C. Young, Shuji Nakamura, James S. Speck, and Steven P. DenBaars, “(11-22) Long Wavelength Light Emitting Diodes Grown on Stress Relaxed InGaN Buffer Layers,” Applied Physics Letter, 101, 121106, Sept. 2012
Chang-Pei Wang and Yuh-Renn Wu*, “Study of Optical Anisotropy in Nonpolar and Semipolar AlGaN Quantum Well Deep Ultraviolet Light Emission Diode,” Journal of Applied Physics, 112, 033104, Aug. 2012
Yuh-Renn Wu*, Ravi Shivaraman, Kuang-Chung Wang, and James S. Speck, “Analyzing Physical Properties of InGaN Multiple Quantum Well LEDs from Nano Scale Structures,” Applied Physics Letter, 101, 083505, Aug. 2012
Yoshiu Kawaguchi*, Chia-Yen Huang, Yuh-Renn Wu, Qimin Yan, Chih-Chien Pan, Yuji Zhao, Shinichi Tanaka, Kenji Fujito, Daniel Feezell, Chris G. Van de Walle, Steven P. DenBaars, and Shuji Nakamura, “Influence of polarity on Carrier Transports of Semipolar Multiple-Quantum-Well (20-2-1) and (20-21) Light-Emitting Diodes,” Appl. Phys. Lett., 100, 231110, Jun. 2012
David Browne*, Micha Fireman, Baishakhi Mazumder, Leah Kuritzky, Yuh-Renn Wu, and James Speck, “Vertical Transport through AlGaN Barriers in Heterostructures Grown by Ammonia Molecular Beam Epitaxy and Metalorganic Chemical Vapor Deposition,” Semicond. Sci. Technol., 32, 025010, Feb. 2012
Chi-Kang Li and Yuh-Renn Wu, “Study on the Current Spreading Effect and Light Extraction Enhancement of Vertical GaN/InGaN LEDs,” IEEE Trans Electron Dev., 59, 400-407, Feb. 2012
Jeng-Wei Yu , Chi-Kang Li , C. Y. Chen , Yuh-Renn Wu , Li-Jen Chou, and Lung-Han Peng*, “Transport properties of gallium nitride nanowire metal-oxide-semiconductor transistor,” Appl. Phys. Lett., 99, 152108, Oct. 2011
H.-A. Chin, I-C. Cheng*, C.-K. Li, Y.-R. Wu, J. Z. Chen, W.-S. Lu, W.-L. Lee,, “The electrical properties of modulation-doped rf-sputtered polycrystalline MgZnO/ZnO heterostructures,” Journal of Physics D: Applied Physic, 44, 455101, Oct. 2011
Hung-Hsun Huang, I-Lin Lu and Yuh-Renn Wu*, “Study of thermoelectric properties of indium nitride nanowire,” Physica status solidi (a), 208, pp1562-2565, Jun. 2011
Liang-Yi Chen, Hung-Hsun Huang, Chun-Hsiang Chang, Ying-Yuan Huang, Yuh-Renn Wu, and JianJang Huang*, “Investigation of the strain induced optical transition energy shift of the GaN nanorod light emitting diode arrays,” Optics Express, 19, pp. A900-A907, Jun. 2011
Yu-Hsuan Sun, Yun-Wei Cheng, Szu-Chieh Wang, Ying-Yuan Huang, Chun-Hsiang Chang, Sheng-Chieh Yang, Liang-Yi Chen, Min-Yung Ke, Chi-Kang Li, Yuh-Renn Wu, and JianJang Huang*, “Optical Properties of the Partially Strain Relaxed InGaN/GaN Light-Emitting Diodes Induced by P-type GaN Surface Texturing,” Electron Dev. Lett, 32, pp182-184, Feb. 2011
I-Lin Lu, Yuh-Renn Wu*, and Jasprit Singh,, “A Study of the Role of Dislocation Density, Indium Composition on the Radiative Efficiency in InGaN/GaN Polar and Nonpolar LEDs using Drift-diffusion Coupled with a Monte Carlo Method,” J. Appl. Phys., 108, 124508, Dec. 2010
Po-Yuan Dang and Yuh-Renn Wu, “Optical Polarization Anisotropy of Tensile Strained InGaN/AlInN Quantum Wells for TM Mode Lasers,” J. Appl. Phys., 108, 083108, Oct. 2010
Huai-An Chin, I-Chun Cheng*, Chih-I Huang , Yuh-Renn. Wu, Wen-Sen Lu, Wei-Li Lee, Jian Z. Chen, Kuo-Chuang Chiu, and Tzer-Shen Lin, “Two dimensional electron gases in polycrystalline MgZnO/ZnO heterostructures grown by rf-sputtering process,,” Journal of Applied Physics, 108, 054503, Sept. 2010
Cheng-Yu Chang and Yuh-Renn Wu, “Study of Light Emission Enhancement in Nanostructured InGaN/GaN Quantum Wells,” IEEE Journal of Quantum Electronics, 46, 884-889, Jun. 2010
T.-H. Cheng, K.-L. Peng, C.-Y. Ko, C.-Y. Chen, H.-S. Lan, Y.-R. Wu, C. W. Liu and H.-H. Tseng, “Strain-enhanced photoluminescence from Ge direct transition,” Appl. Phys. Lett., 96, 211108, 96, 211108, May 2010
Chih-I Huang, Huai-An Chin, Yuh-Renn Wu*, I-Chun Cheng, Jian Z. Chen, Kuo-Chuang Chiu, and Tzer-Shen Lin, “Mobility Enhancement of Polycrystalline MgZnO/ZnO Thim Film Layer with Modulation Doping and Polarization Effect,” IEEE Trans Electron Dev, 57, pp696-703, Mar. 2010
Hung-Hsun Huang and Yuh-Renn Wu, “Light Emission Polarization Properties of Semipolar InGaN/GaN Quantum Well,” J. Appl. Physics, 107, 053112, Mar. 2010
Hung-Hsun Huang and Yuh-Renn Wu, “Study of Polarization Properties of Light Emitted from a-plane InGaN/GaN Quantum Well-based Light Emitting Diodes,” Journal of Applied Physics, 106, 023106, Jul. 2009
Yuh-Renn Wu, Chinghua Chiu, Cheng-Yu Chang, Peichen Yu, and Hao-Chung Kuo, “Size-Dependent Strain Relaxation and Emission Characteristics of InGaN/GaN Nanorod Light Emitting Diodes,” IEEE Journal of Selected Topics in Quantum Electronics., 15, pp1226-1233, Jul. 2009
Yuh-Renn Wu, Yih-Yin Lin, and Jasprit Singh, “Electronic and Optical Properties of InGaN Quantum Dot based Emitters: Comparison with Quantum Well Devices,” J. Appl. Phys., 105, 013117, Jan. 2009
Yuh-Renn Wu, Peichen Yu, C.H. Chiu, Cheng-Yu Chang , and H.C. Kuo, “Analysis of Strain Relaxation and Emission Spectrum of A Free-Standing GaN-based Nanopillar,” proceeding of SPIE,, Vol 7058, 70580G, Aug. 2008
Peichen Yu , C. H. Chiu , Yuh-Renn Wu, H. H. Yen, J. R. Chen, C. C. Kao, Han-Wei Yang, H. C. Kuo, T. C. Lu, and S. C. Wang, “Strain Relaxation Induced Micro-Photoluminescence Characteristics of a Single InGaN-based Nanopillar Fabricated by Focused Ion Beam Milling,” Appl. Phys. Lett., 93, 081110, Aug. 2008
Yuh-Renn Wu and John M. Hinckley and Jasprit Singh, “Extraction of Transport Dynamics in AlGaN/GaN HFETs Through Free Carrier Absorption,” Journal of Electronic Materials, 37, 578-584, May 2008
C. Y. Liu, A. Datta, N. W. Liu, Y. R. Wu, H. H. Wang, T. H. Chuang, and Y. L. Wang, “Enhanced growth of anodic alumina nanochannels on Ga-ion pre-irradiated aluminum,” J. Vac. Sci. Technol. B, 26, 651-654, 2008
J. W. Chung, X. Zhao, Y.-R. Wu, J. Singh, and T. Palacios, “Effect of image charges in the drain delay of AlGaN/GaN high electron mobility transistors,” Appl. Phys. Lett., 92, 093502, 2008
S. Y. Yang and Q. Zhan and P. L. Yang and M. P. Cruz and Y. H. Chu and R. Ramesh and Y-. R. Wu and J. Singh and W. Tian and D. G. Schlom, “Capacitance-voltage characteristics of BiFeO3/SrTiO3/GaN heteroepitaxial structures,” Appl. Phys. Lett., 91, 022909, Jul. 2007
Yuh-Renn Wu, Jasprit Singh, “Transient Study of Self-heating Effects in AlGaN/GaN HFETs: Consequence of Carrier Velocities, Temperature, and Device Performance,” J. Appl. Phys., 101, p113712, Jun. 2007
Yuh-Renn Wu, Madhusudan Singh, and Jasprit Singh, “Device Scaling Physics and Channel Velocities in AlGaN-GaN HFETs: Velocities and Effective Gate Length,” IEEE Trans Electron Dev, 53, 588-593, Apr. 2006
Yuh-Renn Wu, Madhusudan Singh, and Jasprit Singh, “ Sources of Transconductance Collapse in III-V nitrides - Consequences of velocity-field relations and source-gate design,” IEEE Trans Electron Dev, 52, 1048-1054, Jun. 2005
Madhusudan Singh, Yuh-Renn Wu and Jasprit Singh, “Velocity Overshoot Effects and Scaling Issues in III-V Nitrides,” IEEE Trans Electron Dev., 52, 311-316, Mar. 2005
Yuh-Renn Wu and Jasprit Singh, “Polar Heterostructure for Multi-function Devices: Theoretical Studies,” IEEE Trans Electron Dev., 52, 284-293, Feb. 2005
Yuh-Renn Wu and Jasprit Singh, “Metal piezoelectric semiconductor field effect transistors for piezoelectric strain sensors,” Appl. Phys. Lett., 85, 1223-1225, Aug. 2004
Madhusudan Singh, Yuh-Renn Wu and Jasprit Singh, “Examination of LiNbO3 / nitride heterostructures,” Solid State Electron, 47, 2155-2159, Dec. 2003
Yuh-Renn Wu, Madhusudan Singh and Jasprit Singh, “Gate leakage suppression and contact engineering in nitride heterostructures,” J. Appl. Phys., 94, 5826-5831, 2003
A. Datta, Yuh-Renn Wu, Y. L. Wang, “Real-time observation of ripple structure formation on a diamond surface under focused ion-beam bombardment,” Physical Review B, 63, 125407, 2001
A. Datta, Yuh-Renn Wu, Y. L. Wang, “Gas-assisted focused-ion-beam lithography of a diamond (100) surface,” Appl. Phys. Lett., 75, 2677-2679, 1999
Conference & proceeding papers:
Hui-Hsin Hsiao, Hung-Chun Chang, and Yuh-Renn Wu*, “Design of Nano-pattern Reflectors for Thin-Film Solar Cells Based on Three-Dimensional Optical and Electrical modeling,” SPIE Photonic West, San Francisco, CA, Feb.7-12, 2015, Feb. 2015
Xinhui Chen and Yuh-Renn Wu, “Numerical study of current spreading and light extraction in deep UV light-emitting diode,” SPIE Photonic West, San Francisco, CA, Feb.7-12, 2015, Feb. 2015
Chen Kuo Wu, James S. Speck, and Yuh-Renn Wu*, “Analysis of Electron Percolation in the RandomAlloy AlGaN Barrier Layer,” 10th International Symposium on Semiconductor Light Emitting Devices, Kaohsiung, Taiwan, Dec. 14-19, 2014, Dec. 2014
Chung-Cheng Hsu and Yuh-Renn Wu*, “3D Finite Element Strain Analysis of InGaN Quantum Well with Indium Fluctuations,” 10th International Symposium on Semiconductor Light Emitting Devices, Kaohsiung, Taiwan, Dec. 14-19, 2014, Dec. 2014
Chao-Wei Wu and Yuh-Renn Wu*, “Thermoelectric Characteristic of the Rough InN/GaN CoreShell Nanowire,” 2014 International Workshop on nitride semiconductor, Wroclaw, Poland, Aug.24-29, 2014, Oct. 2014
Hui-Hsin Hisao, Hung-Chun Chang, and Yuh-Renn Wu*, “Design of Light Trapping Nanopatterned Solar Cells Based on Three Dimensional Optical and Electrical Modeling,” 14th International Conference on Numerical Simulation of Optoelectronic Devices, Palma de Mallorca, Spain, Sep. 1-4, 2014., Sept. 2014
Tsung-Jui Yang, Yen-Chun Lin, James S. Speck, and Yuh-Renn Wu*, “3D analysis of Random Alloy Fluctuation in InGaN Quantum Well to the Carrier Transport, Tunneling, and Efficiency,” 2014 International Workshop on nitride semiconductor, Wroclaw, Poland, Aug.24-29, 2014, Aug. 2014
Chi-Kang Li, Maarten Rosmeulen, Eddy Simoen, and Yuh-Renn Wu*, “Study on the Optimization for Current Spreading Effect of Lateral GaN/InGaN LEDs by Modulation of Transparent Conducting Layer,” WLED-5,, Jeju, Korea, June 1-5, 2014, Jun. 2014
8. David Browne, Baishakhi Mazumder, Yuh-Renn Wu and James S. Speck, “Investigation of Electron Transport through InGaN Quantum Well Structures,” 14th Electronic Materials Conference, Santa Barbara, USA, June 25-27, 2014, Jun. 2014
Erin Kyle, Stephen Kaun, Yuhrenn Wu, and James Speck,, “Dislocation-Related Scattering in High Mobility GaN Grown by Ammonia-Based Molecular Beam Epitaxy,” 14th Electronic Materials Conference, Santa Barbara, USA, June 25-27, 2014, Jun. 2014
Chun-Yao Lee, Hui-Hsin Hsiao, Chun-Ming Yeh, Chien-Fu Huang, Yung-Tsung Liu, Chia-Ming Fan, and Yuh-Renn Wu, “The optimization of textured a-Si:H solar cells with a fully three-dimensional simulation,” SPIE Photonic West, San Francisco, CA, Feb. 2014
Tsung-Jui Yang, Jim. Speck, and Yuh-Renn Wu, “Influence of nanoscale indium fluctuation in the InGaN quantum-well LED to the efficiency droop with a fully 3D simulation model,” SPIE Photonic West, San Francisco, CA, Feb. 2014
Da-Wei Lin, Yuh-Renn Wu, Yu-Ting Kang, Shu-ting Yeh, Yu-Lin Tsai, Gou-Chung Chi, Hao-Chung Kuo, “Analyzing the correlation between nanoscale indium fluctuation in multiple quantum wells and efficiency droop behavior for InGaN-based light-emitting diodes grown on GaN substrate and sapphir,” SPIE Photonic West, San Francisco, CA, Feb. 2014
Yuh-Renn Wu, “Influences of nanoscale indium fluctuation in the InGaN quantum well LED to the carrier transport, radiation efficiency, and droop effect,” 2013 EMN Fall Meeting, Orlando, FL, Dec. 2013
Yuh-Renn Wu, Shu-ting Yeh, Da-Wei Lin, Chi-kang Li, Hao-Chung Kuo, and James S. Speck, “Influences of Indium Fluctuation to the Carrier Transport, Auger Recombination, and Efficiency Droop,” 13th International Conference on Numerical Simulation of Optoelectronic Devices, Vancouver, Canada,, Aug. 2013
Chi-Kang Li and Yuh-Renn Wu, “Three Dimensional Numerical Study on the Efficiency of a Core-shell InGaN/GaN Multiple Quantum Well Nanowire LED,” 13th International Conference on Numerical Simulation of Optoelectronic Devices, Vancouver, Canada,, Aug. 2013
Digbijoy N. Nath, Zhichao Yang, Pil S. Park, Chun Y. Lee, Yuh R. Yu, and Siddharth Rajan, “Unipolar Vertical Transport Characteristics in III-Nitrides,” The 10th International conferences on nitride semiconductor, National Harbor, MD, Aug. 2013
David Browne, Yuh-Renn Wu, and James S. Speck, “Investigation of Electron Transport through Unipolar InGaN Quantum Well Structures,” The 10th International conferences on nitride semiconductor, National Harbor, MD, Aug. 2013
Shu-Ting Yeh, Kai-Lun Chi , Jin-Wci Shi, and Yuh-Renn W, “Numerical Study on the Optimization of a GaN-Based Dual Color Light-Emitting Diode with P-Type Insertion Layer for Balancing Two-Color Intensities,” The 10th International conferences on nitride semiconductor, National Harbor, MD, Aug. 2013
Shu-Ting Yeh and Yuh-Renn Wu, “Study of Light Emission Polarization Properties of Semipolar InGaN/GaN Quantum Well Under Different Strain Conditions,” CLEO-PR, Kyoto, Japan, Jun. 2013
Yu-Min Liao, Hsiao-Lun Wang, Yuh-Renn Wu*, and Chao-Hsin Wu, “The Dependence of Base Dynamics and Current Gain in the InGaAs/GaAs Light Emitting Transistors,” 40th international symposium on compound semiconductor, Kobe, Japan, May 2013
Pradeep N. Senanayake, Chung-Hong Hung, Alan Farrell, David A. Ramirez, Joshua N. Shapiro, Chi-Kang Li, Yuh-Renn Wu, Majeed Hayat, and Diana L. Huffaker, “Nanopillar optical antenna avalanche detectors for the development of single photon detectors,” SPIE Photonic West, San Francisco, CA, Feb. 2013
Pei-Wen Lin, Sih-Chen Lu, Yu-Min Liao, Chin-Yi Chen, Yuh-Renn Wu, Yun-Chorng Chang, “Economic fabrication of optoelectronic devices with novel nanostructure,” SPIE Photonic West, San Francisco, CA, Feb. 2013
Chun-Yao Lee, Huai-Te Pan, Yu-Chih Cheng, Yuh-Renn Wu, Peichen Yu, “Optical and electrical characteristics of silicon nanocone: Polymer hybrid heterojunction solar cells,” SPIE Photonic West, San Francisco, CA, Feb. 2013
Yuh-Renn Wu*, Ravi Shivaraman, Kuang-Chung Wang, Chih-Chien Pan, and James S Speck, “Predicting Physical Properties of InGaN LEDs from Atomic Scale Structure,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Chia-Yen Huang, Yuji Zhao, Qimin Yan, Yoshinobu Kawaguchi, Yu-Renn Wu, Daniel F. Feezell, Chris G. van de Walle, James S. Speck, Steven P Denbaars, and Shuji Nakamura, “Carrier transports in semipolar multiple-quantumwells light-emitting diodes,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Ingrid L. Koslow, Matthew T. Hardy, Po shan Hsu, Michael Cantore, Stuart Brinkley, Po-Yuan Dang, Yuh-Renn Wu, Erin C. Young, Feng Wu, Alexey Romanov, Shuji Nakamura, Steve, P. Denbaars, and James S. Speck, “Semipolar LongWavelength Light Emitting Diodes Grown on Stress Relaxed InGaN Buffer Layers,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Jeng-Wei Yu, Chi-Kang Li, Po-Chun Yeh, Yuh-Renn Wu, and Lung-Han Peng*, “Ga2O3/GaN single nanowire MOSFET with cut-off frequency ~150GHz,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Chi-Kang Li, Jeng-Wei Yu, Lung-Han Peng, and Yuh-Renn Wu*, “Study on 50nm Gate Length of Ga2O3/GaN Nanowire Field Effect Transistor,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Chi-Kang Li, Hung-Chih Yang, Ta-Cheng Hsu, Yu-Jiun Shen, Ai-Sen Liu, and Yuh-Renn Wu*, “Study on Electrical Properties of a Coreshell InGaN/GaN Multiple Quantum Wells Nanowire LED,” International Workshop on Nitride Semiconductors, Sapporo, Japan, Oct. 2012
Chin-Yi Chen and Yuh-Renn Wu*, “Studies of Scaling Issue in Tri-gate AlGaN/GaN Nanowire Transistors,” Electronic Materials Conference, University Park, PA, USA, Jun. 2012
Yu-Chih Cheng, Ting-Gang Chen, Feng-Yu Chang, Bo-Yu Huang, Huai-Te Pan, Peichen Yu, Chi-Kang Li, and Yuh-Renn Wu, “Fabrication and Modeling of Large-Scale Silicon Nanowire Solar Cells for Thin-Film Photovoltaics,” 38th IEEE Photovoltaic Specialists Conference, Austin, TX, Jun. 2012
Ming-Han Hsieh, Yuh-Renn Wu*, and Jasprit Singh, “The Effect of Tailoring Electron/Hole Blocking Layers on the Photovoltaic Performance of the Single-Junction Solar Cells,” 38th IEEE Photovoltaic Specialists Conference, Austin, TX, Jun. 2012
Ming-Han Hsieh and Yuh-Renn Wu*, “Numerical Modeling of InxGa1-xN/Silicon Multijunction Tandem Solar Cell,” 38th IEEE Photovoltaic Specialists Conference, Austin, TX, Jun. 2012
Kuang-Chung Wang and Yuh-Renn Wu*, “Transition Rate in the InGaN Quantum Dot Intermediate-Band Solar Cell,” 38th IEEE Photovoltaic Specialists Conference, Austin, TX, Jun. 2012
Yuh-Renn Wu*, Chang-Pei Wang, Kuang-Chung Wang, and James S. Speck, “Influences of Indium Fluctuation to carrier transport and the Current-voltage Turn-on Behavior in the InGaN Quantum Well LEDs,” CLEO: 2012, San Jose, CA, May 2012
Chang-Pei Wang and Yuh-Renn Wu*, “Study of Optical Anisotropy of c-plane/m-plane Ultra-violet LED and Laser Diode by k.p Method,” CLEO: 2012, San Jose, CA, May 2012
Kuang-Chung Wang and Yuh-Renn Wu*, “Intersubband and intrasubband transition in InGaN quantum dot for solar cell application,” SPIE Photonic West, San Francisco, CA, Jan. 2012
Chi-Kang Li and Yuh-Renn Wu*, “Study of enhancement for the current spreading effect in vertical GaN/InGaN LEDs,” SPIE Optics + Photonics, 8123-61, San Diego, Aug. 2011
Yuh-Renn Wu, Chi-Kang Li, Chao-wei Wu, and Jasprit Singh, “Study of Carrier Leakage, Hot Carriers, and Radiative Efficiency of InGaN LEDs with Monte Carlo Method,” International Conference on Nitride Semiconductors, Glasgow, UK, Jul. 2011
Guan-Jung Lai, Chi-Kang Li, and Yuh-Renn Wu, “Study of Light Extraction Efficiency of Vertical InGaN Light Emitting Diodes with Different Textured Surfaces and Electrode Contacts,” International Conference on Nitride Semiconductors, Glasgow, UK, Jul. 2011
Chi-Kang Li, Jeng-Wei Yu, Lung-Han Peng, and Yuh-Renn Wu*, “Scaling Performance Study of Ga2O3/GaN Nanowire Field Effect Transistor with 3D Finite Element Solver,” Asian-pacific wide bandgap workshop (APWS), Toba, Japan, May 2011
Yuh-Renn Wu*, Chi-kang Li, I-Lin Lu, and Jasprit Singh, “Study of Vertical and Lateral Carrier Dynamic in the InGaN/GaN Quantum Well LEDs for the, Defect Density, Carrier Leakage, and Hot Electron Effect with Monte Carlo Method,” Asian-pacific wide bandgap workshop (APWS),, Toba, Japan, May 2011
Hung-Hsun Huang and Yuh-Renn Wu, “Thermoelectric properties of InGaN/GaN superlattice,” MRS 2011 Spring Meeting, San Francisco, Apr. 2011
Chi-Kang Li and Yuh-Renn Wu*, “Current spreading effect in vertical GaN/InGaN LEDs,” SPIE Photonic West, 2011, San Francisco, California, United States,, Jan. 2011
Jeng-Wei Yu, Yuh-Renn Wu, Jian-Jang Huang, and Lung-Han Peng*,, “100GHz depletion-mode Ga2O3/GaN single nanowire MOSFET by photo-enhanced chemical oxidation method,” International Electron Devices Meeting (IEDM) 2010, San Francisco, CA., Dec. 2010
Yen-Chun Lee, Hung-Hsun Huang, Yuh-Renn Wu, and Peichen Yu*,, “Manipulative Polarization of a-plane InGaN/GaN Photonic Crystals for Enhanced Spontaneous Emission,” 16th Microoptics conferece(MOC),, Hsinchu, Taiwan, Nov. 2010
Jeng-Wei Yu, Yuh-Renn Wu, Jian-Jang Huang, and Lung-Han Peng*,, “75GHz Ga2O3/GaN Single Nanowire Metal-Oxide-Semiconductor field-effect Transistors,” IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) 2010, Monterey, CA, Oct. 2010
Hung-Hsun Huang and Yuh-Renn Wu*,”, “Study of Phonon Properties of Indium Nitride”≈,” Study of Phonon Properties of Indium Nitride”, International Workshop of Nitride Semiconductor (IWN),, Tampa, FL, united states, Sept. 2010
I-Lin Lu, Yuh-Renn Wu*, and Jasprit Singh, “Study the role of dislocation, indium composition, and radiative efficiency on the InGaN/GaN LEDs with Monte Carlo method,” Study of Phonon Properties of Indium Nitride”, International Workshop of Nitride Semiconductor (IWN),, Tampa, FL., Sept. 2010
Yen-Chun Lee, Hung-Hsun Huang, Yuh-Renn Wu, and Peichen Yu, “Manipulative Polarization of a-plane InGaN/GaN Photonic Crystals for Enhanced Spontaneous Emission,” Manipulative Polarization of a-plane InGaN/GaN Photonic Crystals for Enhanced Spontaneous Emission, ), Tokyo, Japan, Sept. 2010
Po-Yuan Deng, Hung-Hsun Huang, and Yuh-Renn Wu, “Study of Polarization Properties of Light Emitted from Tensile Strained InGaN/AlInN Quantum Well,” CLEO, 2010, San Jose, CA, May 2010
I-Lin Lu, Yuh-Renn Wu*, John Hinckley, and Jasprit Singh, “Role of interface roughness on lateral transport in InGaN/GaN LEDs: diffusion length, dislocation spacing, and radiative efficiency,” SPIE Photonic West, San Francisco, California, United States, Jan. 2010
Yuh-Renn Wu* and Pei-Cheng Ku, “Nonpolar InGaN quantum dots for semiconductor quantum light sources,” SPIE Photonic West, San Francisco, California, United States, Jan. 2010
Yuh-Renn Wu, Hung-Hsun Huang, Cheng-Yu Chang , and Chi-Kang Li, “Strain Engineering in InGaN/GaN Light Emitting Diodes,” Internal Workship of Physics on Semiconductor Devices, New Delhi, India, Dec. 2009
Chi-Kang Li and Yuh-Renn Wu, “Three Dimensional Modeling of Junction Temperature and Current flow in High Power InGaN/GaN Light Emission Diodes Using Finite Element Methods,” The Second International Conference on White LEDs and Solid State Lighting, Taipei, 2009, Dec. 2009
Po-Yuan Dang, Hung-Hsun Huang, and Yuh-Renn Wu, “Light Emission Polarization Properties of a Tensile strained InGaN/AlInN Quantum Well,” The Second International Conference on White LEDs and Solid State Lighting, Taipei, 2009, Dec. 2009
C-Y. Yeh, I-C. Cheng, and Y.-R. Wu, “Investigation of polarization effect of array of cylindrical rods by Monte-Carlo method,” The Second International Conference on White LEDs and Solid State Lighting, Taipei, Taiwan, Dec. 2009
Huai-An Chin, Chih-I Huang, Yuh-Renn Wu, I-Chun Cheng, Jian Z. Chen, Kuo-Chuang Chiu, and Tzer-Shen Lin, “Influences of Polarization Effects in the Electrical Properties of Polycrystalline MgZnO/ZnO Heterostructure.,” MRS 2009 Fall meeting, Boston, Dec. 2009
Hung-Hsun Huang and Yuh-Renn Wu, “Study of Light Emission Polarization Properties of Strained inGaN Alloy Films on GaN Substrates With Different Growth Orientations,” 8th International Conference on Nitride Semiconductors, JeJu, Korea,, Oct. 2009
Chi-Kang Li, Yuh-Renn Wu, and Jasprit Singh, “Modeling of Junction Temperature and Current flow in High Power InGaN/GaN Light Emission Diodes Using Finite Element Methods,” 13th Internal workshop on Computational Electronics 2009, Beijing, China., May 2009
Chih-I Huang, Yuh-Renn Wu, I-Chun Cheng, Jian Z. Chen, Kuc-Chuang Chiu, and Tzer-Shen Lin, “Mobility Study of Polycrystalline MgZnO/ZnO Thin Film Layers with Monte Carlo Method,” 13th Internal workshop on Computational Electronics 2009, Beijing, China, May 2009
ChingHua Chiu, Peichen Yu, H. C. Kuo, T. C. Lu, S. C. Wang, C. Y. Chang, Y. R. Wu, “Strain Relaxation and Emission Characteristics of Size-Dependent InGaN/GaN Nanorod Arrays,” CLEO 09, May 31-June 5, Baltimore, USA., May 2009
Cheng-Yu Chan g and Yuh-Renn Wu, “Analysis of Etching Depth Dependence of Emission Properties from InGaN/GaN Light Emitting Diodes with Nanohole Arrays: Roles of Strain Relaxation and Surface States,” CLEO 09, May 31-June 5, Baltimore, USA., May 2009
1. Hung-Hsun Huang and Yuh-Renn Wu, “Light Emission Polarization Properties of a-plane InGaN/GaN Quantum Wells,” CLEO 09, May 31-June 5, 2009, Baltimore, USA., May 2009
Jason Gu, Mahak Khandelwal, Jacob Melby, Michael Steeves, Yuh-Renn Wu, Robert Lad, and Robert F. Davis,, “Mechanism of Interaction between Hydrogen and the Two-dimensional Electron Gas in AlGaN/GaN High Electron Mobility Transistors,” APS March meeting, Pittsburgh, Pennsylvania., Mar. 2009
Jacob Melby, Jason Gu, Li Huang, Yuhrenn Wu, Lisa Porter, Robert Davis,, “Reduction of the Specific Contact Resistance in p-type GaN-based Devices via Polarization Doping,” APS march meeting, March 16–20, 2009, , Pittsburgh, Pennsylvania., Mar. 2009
Hung-hsun Huang, and Yuh-Renn Wu, “Light Emission Polarization Properties of a-plane InGaN/GaN Quantum Wells,” APS march meeting, Pittsburgh, Pennsylvania., Mar. 2009
Cheng-Yu Chang and, Yuh-Renn Wu, “Strain Relaxation, Barrier Width, and Surface Effects in InGaN/GaN Nanocolumn LEDs,” International conference on optics and photonics in Taiwan 2008, Taipei, Dec. 2008
Hung-Hsun Huang and Yuh-Renn Wu, “Study of Light Emission Polarization Properties of A-Plane InGaN/GaN Quantum Wells,” International conference on optics and photonics in Taiwan 2008, Taipei, Dec. 2008
Chi-Kang Li and, Yuh-Renn Wu, “Three-Dimensional Thermal Modeling of High Power LED Chips,” International conference on optics and photonics in Taiwan 2008, Taipei, Dec. 2008
Chih-I Huang and Yuh-Renn Wu, “Mobility study of ZnO Transparent Conductive Oxides Layers with Monte Carlo Method,” Poster, International conference on optics and photonics in Taiwan 2008, Taipei, Dec. 2008
Peichen Yu, Min-An Tsai, Ching-Hua Chiu, Hao-chung Kuo, and Yuh-Renn Wu, “Strain relaxation characteristics of a single InGaN-based nanopillar fabricated by focused ion beam milling,” Optoelectronic Materials and Devices III , Hangzhou, China , Oct. 27, 2008, Hangzhou, China, Oct. 2008
9. J. F. Ihlefeld, Z-K. Liu, H. S. Craft, R. Collazo, S. Mita, Z. Sitar, J-P. Maria, Y-R. Wu, J. Singh, W. A. Doolittle, R. Ramesh, and D. G. Schlom, “Adsorption-controlled growth of BiFeO3 by MBE and integration with wide band-gap semiconductors,” The 15th International Workshop on Oxide Electronics., Estes Park, Colorado., Sept. 2008
Yuh-Renn Wu, Peichen Yu, C.H. Chiu, Cheng-Yu Chang , and H.C. Kuo, “Analysis of Strain Relaxation and Emission Spectrum of A Free-Standing GaN-based Nanopillar,” SPIE The eighth international conference on solid state lighting, proceeding of SPIE, San Deigo, CA, Aug. 2008
Yuh-renn Wu, Yih-Yin Lin, and Jasprit Singh, “InGaN Light Emitters: A comparison of Quantum Dot and Quantum Well based devices,” Conference on Lasers and Electro-Optics, CLEO/QELS Poster Session III, San Jose, May 2008
Yuh-renn Wu, John Hinckley, and Jasprit Singh, “Extraction of Transport Dynamics in AlGaN/GaN HFETs through Free Carrier Absorption,” Electronic Material Conference (EMC), Notre Dame, IN, Jun. 2007
H. Eisele, Y-R. Wu, R. Kamoua, and G. I. Haddad, “High-Performance Negative Differential Resistance Oscillators and Combiners,” the Seventeenth International Symposium on Space Terahertz Technology, Pasadena, California, Mar. 2007
Yuh-renn Wu and Jasprit Singh,, “How does phonon generation influence AlGaN/GaN HFETs?- Transient and steady state studies,” Device Research Conference, Penn State Unveristy, PA, Jun. 2006
Madhusudan Sing, Yuh-Renn Wu, Tomas Palacios, Jasprit Singh, and Umesh Mishra, “Monte Carlo study of noise scaling in AlGaN / GaN HFETs,” PHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors - ICPS-27, V772, pp441-442, Flagstaff, Arizona, Jul. 2004
Yuh-Renn Wu and Jasprit Sing, “Polar Heterostructure for Multi-function Devices: Theoretical Studies,” Device Research Conference, Notre Dame, IN, Jun. 2004
Madhusudan Singh, Yuh-Renn Wu and Jasprit Singh, “Velocity Overshoot Effects and Transit Times in III-V Nitrides HFETs: a Monte Carlo Study,” Device Research Conference, Notre Dame, IN, Jun. 2004
Yuh-Renn Wu, Madhusudan Singh and, Jasprit Singh, “Gate leakage suppression and contact engineering in nitride heterostructures:,” Materials Research Society Fall Meeting, Mat. Res. Soc. Vol. 798:Y11.1 20, Boston, MA, Dec. 2003
Books:
Yuh-Renn Wu, Madhusudan Singh, and Jasprit Singh, “Polarization Effects in Semiconductors - From Ab InitioTheory to Device Applications - Chapter II : Lateral and Vertical Charge Transport in Polar Nitride Heterostructures: Applications for HEMTs, Novel Vertical Junction and Sensors,” Springer, US, p111-158 pages, Oct. 2007, ISBN:ISBN-10: 0387368310 and ISBN-13: 978-0387368313