吳育任教授的個人資料 - Profile of Yuh-Renn Wu

吳育任 Yuh-Renn Wu

國立臺灣大學電機工程學系 教授
Professor, Department of Electrical Engineering, National Taiwan University

主要研究領域:

III-V 族和 II-VI 族半導體元件分析、氮化銦鎵發光二極體、高功率場效電晶體、奈米線及量子點結構分析、薄膜電晶體

Major Research Areas:

InGaN quantum well and quantum dot LEDs, nano structure LED , high power nitride based HEMTs, and Ferroelectronics

研究領域摘要:

我們實驗室目前專注在分析光電元件之問題以及發展適當的數值軟體來解析這些元件
目前實驗室發展之軟體：

  1. 1D to 3D  Poisson and Drift-diffusion and thermal solver : For studying the current spreading, heating, and carrier recombination mechanism.
  2. 1D Poisson- k.p Schrodinger Solver for quantum well structures
  3. Ensemble Monte Carlo Method for studying the carrier dynamics (LED and Transistor)
  4. Valence Force Field model for the nano structure strain analysis.
  5. 3D Poisson- k.p Schrodinger Solver for quantum dot structures

GaN LED Analysis: 

  1. The band structure, potential and current spreading issue in GaN LED.
  2. The heating issues in the LED
  3. The lighting emitting properties of semipolar-plane and nonepolar plane LED.
  4. The strain Analysis of nano-structured LED ( nanorod, nanowire, etc.).
  5. Quantum dot structure Analyzation

ZnO based Thin film transistor

  1. The mobility analysis of polycrystalline ZnO thin film.
  2. The design of optimized multi-layer structure.

Design of High Speed Transistor

  1. The high power nitride HFET
  2. The analysis of the nanowire transistor

Research Summary:

 InGaN LED Analysis: 

 

  1. The band structure, potential and current spreading issue in GaN LED.
  2. The heating issues in the LED
  3. The lighting emitting properties of semipolar-plane and nonepolar plane LED.
  4. The strain Analysis of nano-structured LED ( nanorod, nanowire, etc.).
  5. Quantum dot structure Analyzation

ZnO based Thin film transistor

 

 

  1. The mobility analysis of polycrystalline ZnO thin film.
  2. The design of optimized multi-layer structure.

Design of High Speed Transistor

 

 

  1. The high power nitride HFET
  2. The analysis of the nanowire transistor

 

1.

 

Photo of Yuh-Renn Wu

代表性著作 Selected Publication

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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, Jan. 2022
  7. 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
  8. 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, Jan. 2022
  9. 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, Nov. 2021
  10. 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
  11. 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, Sept. 2021
  12. 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
  13. 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, Sept. 2020
  14. 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, Jun. 2020
  15. 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
  16. 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
  17. 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
  18. 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, Sept. 2017
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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, May 2016
  25. 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, Dec. 2015
  26. 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, May 2015
  27. 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, Mar. 2015
  28. 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
  29. Chao-Wei Wu and Yuh-Renn Wu*, “Thermoelectric characteristic of the rough InN/GaN core-shell nanowires,” J. Appl. Phys., 116, 103707, Sept. 2014
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. Huei-Min Huang, Hung-Hsun Huang, Yuh-Renn Wu*, and Tien-Chang Lu*, “Abnormal polarization switching phenomenon in a-plane AlxGa1-xN,” Optics Express, V18, No. 21, pp21743-21749, Oct. 2010
  46. 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
  47. 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
  48. Hung-Hsun Huang and Yuh-Renn Wu, “Light Emission Polarization Properties of Semipolar InGaN/GaN Quantum Well,” J. Appl. Physics, 107, 053112, Mar. 2010
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. Yuh-Renn Wu and Jasprit Singh, “Polar Heterostructure for Multi-function Devices: Theoretical Studies,” IEEE Trans Electron Dev., 52, 284-293, Feb. 2005
  63. Yuh-Renn Wu and Jasprit Singh, “Metal piezoelectric semiconductor field effect transistors for piezoelectric strain sensors,” Appl. Phys. Lett., 85, 1223-1225, Aug. 2004
  64. Yuh-Renn Wu, Madhusudan Singh and Jasprit Singh, “Gate leakage suppression and contact engineering in nitride heterostructures,” J. Appl. Phys., 94, 5826-5831, 2003