Wei-Chi Lai

Professor

  • 4563 Citations
  • 33 h-Index
19982020

Research output per year

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Research Output

2020

High-Performance Perovskite-Based Light-Emitting Diodes from the Conversion of Amorphous Spin-Coated Lead Bromide with Phenethylamine Doping

Lai, W. C., Hsieh, W. M., Yang, S. H., Yang, J. C., Guo, T. F., Chen, P., Lin, L. J. & Hsu, H. C., 2020 Apr 21, In : ACS Omega. 5, 15, p. 8697-8706 10 p.

Research output: Contribution to journalArticle

Open Access

Impact of Gate Size on Abnormal Current Rise under an Electric Field in Organic Thin-Film Transistors

Chen, H. C., Huang, H. C., Wu, W. C., Lai, W. C., Chang, T. C., Chen, G. F., Chen, J. J., Kuo, C. W., Zhou, K. J., Tu, Y. F., Lu, I. N., Shih, Y. S. & Sun, L. C., 2020 Mar, In : IEEE Transactions on Electron Devices. 67, 3, p. 1143-1148 6 p., 8978571.

Research output: Contribution to journalArticle

Inhibiting the Kink Effect and Hot-Carrier Stress Degradation Using Dual-Gate Low-Temperature Poly-Si TFTs

Chen, H. C., Tu, H. Y., Huang, H. C., Lai, W. C., Chang, T. C., Huang, S. P., Tu, Y. F., Kuo, C. W., Zhou, K. J., Chen, J. J., Shih, Y. S., Chen, G. F. & Su, W. C., 2020 Jan, In : IEEE Electron Device Letters. 41, 1, p. 54-57 4 p., 8892585.

Research output: Contribution to journalArticle

2019

Abnormal unsaturated output characteristics in a-InGaZnO TFTs with light shielding layer

Chen, H. C., Zhou, K. J., Chen, P. H., Chen, G. F., Huang, S. P., Chen, J. J., Kuo, C. W., Tsao, Y. C., Tai, M. C., Chu, A. K., Lai, W. C. & Chang, T. C., 2019 Aug, In : IEEE Electron Device Letters. 40, 8, p. 1281-1284 4 p., 8736827.

Research output: Contribution to journalArticle

An Energy-Band Model for Dual-Gate-Voltage Sweeping in Hydrogenated Amorphous Silicon Thin-Film Transistors

Chen, G. F., Chen, H. C., Chang, T. C., Huang, S. P., Chen, H. M., Liao, P. Y., Chen, J. J., Kuo, C. W., Lai, W. C., Chu, A. K., Lin, S. C., Yeh, C. Y., Chang, C. S., Tsai, C. M., Yu, M. C. & Zhang, S., 2019 Jun, In : IEEE Transactions on Electron Devices. 66, 6, p. 2614-2619 6 p., 8689093.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Efficiency enhancement of III-nitride light-emitting diodes with strain-compensated thin-barrier InGaN/AlN/GaN multiple quantum wells

Tsai, C. M., Chang, C. S., Xu, Z., Huang, W. P., Lai, W. C. & Bow, J. S., 2019 Apr 15, In : OSA Continuum. 2, 4, p. 1207-1214 8 p.

Research output: Contribution to journalArticle

Formation of Hump Effect Due to Top-Gate Bias Stress in Organic Thin-Film Transistors

Chen, H. C., Tsao, Y. C., Chu, A. K., Huang, H. C., Lai, W. C., Chen, G. F., Huang, S. P., Chang, T. C., Chen, P. H., Chen, J. J., Kuo, C. W., Zhou, K. J. & Hung, Y. H., 2019 Dec, In : IEEE Electron Device Letters. 40, 12, p. 1941-1944 4 p., 8880614.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Impact of Dehydrogenation Annealing Process Temperature on Reliability of Polycrystalline Silicon Thin Film Transistors

Huang, S. P., Chen, P. H., Chen, H. C., Zheng, Y. Z., Chu, A. K., Tsao, Y. C., Shih, Y. S., Wang, Y. X., Wu, C. C., Lai, W. C. & Chang, T. C., 2019 Oct, In : IEEE Electron Device Letters. 40, 10, p. 1638-1641 4 p., 8796401.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Investigation of the Capacitance-Voltage Electrical Characteristics of Thin-Film Transistors Caused by Hydrogen Diffusion under Negative Bias Stress in a Moist Environment

Chen, H. C., Kuo, C. W., Chang, T. C., Lai, W. C., Chen, P. H., Chen, G. F., Huang, S. P., Chen, J. J., Zhou, K. J., Shih, C. C., Tsao, Y. C., Huang, H. C. & Sze, S. M., 2019 Jan 1, In : ACS Applied Materials and Interfaces. 11, 43, p. 40196-40203 8 p.

Research output: Contribution to journalArticle

Mn valence state mediated room temperature ferromagnetism in nonpolar Mn doped GaN

Wadekar, P. V., Chang, C. W., Zheng, Y. J., Guo, S. S., Hsieh, W. C., Cheng, C. M., Ma, M. H., Lai, W. C., Sheu, J. K., Chen, Q. Y. & Tu, L. W., 2019 Apr 15, In : Applied Surface Science. 473, p. 693-698 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2018

Controlling Surface Morphology and Circumventing Secondary Phase Formation in Non-polar m-GaN by Tuning Nitrogen Activity

Chang, C. W., Wadekar, P. V., Guo, S. S., Cheng, Y. J., Chou, M., Huang, H. C., Hsieh, W. C., Lai, W. C., Chen, Q. Y. & Tu, L. W., 2018 Jan 1, In : Journal of Electronic Materials. 47, 1, p. 359-367 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Cyclical Annealing Technique to Enhance Reliability of Amorphous Metal Oxide Thin Film Transistors

Chen, H. C., Chang, T. C., Lai, W. C., Chen, G. F., Chen, B. W., Hung, Y. J., Chang, K. J., Cheng, K. C., Huang, C. S., Chen, K. K., Lu, H. H. & Lin, Y. H., 2018 Aug 8, In : ACS Applied Materials and Interfaces. 10, 31, p. 25866-25870 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
8 Citations (Scopus)

Perovskite-based solar cells with inorganic inverted hybrid planar heterojunction structure

Lai, W-C., Lin, K. W., Guo, T-F., Chen, C-Y. & Liao, Y. Y., 2018 Jan 1, In : AIP Advances. 8, 1, 015109.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Polarization-selecting III-nitride elliptical nanorod light-emitting diodes fabricated with nanospherical-lens lithography

Chou, M. C., Lin, C. Y., Lin, B. L., Wang, C. H., Chang, S. H., Lai, W. C., Lai, K. Y. & Chang, Y. C., 2018 Aug 28, In : ACS Nano. 12, 8, p. 8748-8757 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2017

III-V Nitride-based photodetection

Lin, C. C., Hsu, L. H., Tsai, Y. L., Kuo, H. C. H., Lai, W. C. & Sheu, J. K., 2017 Jan 1, Handbook of GaN Semiconductor Materials and Devices. CRC Press, p. 597-614 18 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

InGaN-based epitaxial films as photoelectrodes for hydrogen generation through water photoelectrolysis and CO2 reduction to formic acid

Sheu, J-K., Liao, P. H., Huang, T. C., Chiang, K. J., Lai, W-C. & Lee, M. L., 2017 Jul 1, In : Solar Energy Materials and Solar Cells. 166, p. 86-90 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Monolithic stacked blue light-emitting diodes with polarization-enhanced tunnel junctions

Kuo, Y. K., Shih, Y. H., Chang, J. Y., Lai, W. C., Liu, H., Chen, F. M., Lee, M. L. & Sheu, J. K., 2017 Aug 7, In : Optics Express. 25, 16, p. A777-A784

Research output: Contribution to journalArticle

2 Citations (Scopus)

Robust and Recyclable Substrate Template with an Ultrathin Nanoporous Counter Electrode for Organic-Hole-Conductor-Free Monolithic Perovskite Solar Cells

Li, M. H., Yang, Y. S., Wang, K. C., Chiang, Y. H., Shen, P. S., Lai, W. C., Guo, T. F. & Chen, P., 2017 Dec 6, In : ACS Applied Materials and Interfaces. 9, 48, p. 41845-41854 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2016

Design of Hole-Blocking and Electron-Blocking Layers in AlxGa1-xN-Based UV Light-Emitting Diodes

Shih, Y. H., Chang, J. Y., Sheu, J-K., Kuo, Y. K., Chen, F. M., Lee, M. L. & Lai, W-C., 2016 Mar 1, In : IEEE Transactions on Electron Devices. 63, 3, p. 1141-1147 7 p., 7399737.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Manganese-doped AlGaN/GaN heterojunction solar cells with intermediate band absorption

Sheu, J. K., Chen, P. C., Shin, C. L., Lee, M. L., Liao, P. H. & Lai, W. C., 2016 Dec 1, In : Solar Energy Materials and Solar Cells. 157, p. 727-732 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Mask-free regrowth of GaN p-i-n structure on selective-area Si-implanted n-GaN template layer

Sheu, J. K., Chen, P. C., Yeh, Y. H., Kuo, S. H., Lee, M. L., Liao, P. H. & Lai, W. C., 2016 Apr 15, In : Acta Materialia. 108, p. 17-25 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

NiOxElectrode Interlayer and CH3NH2/CH3NH3PbBr3Interface Treatment to Markedly Advance Hybrid Perovskite-Based Light-Emitting Diodes

Chih, Y. K., Wang, J. C., Yang, R. T., Liu, C. C., Chang, Y. C., Fu, Y. S., Lai, W. C., Chen, P., Wen, T. C., Huang, Y. C., Tsao, C. S. & Guo, T. F., 2016 Jan 1, In : Advanced Materials. 28, 39, p. 8687-8694 8 p.

Research output: Contribution to journalArticle

99 Citations (Scopus)

Oxidized Ni/Au Transparent Electrode in Efficient CH3NH3PbI3Perovskite/Fullerene Planar Heterojunction Hybrid Solar Cells

Lai, W. C., Lin, K. W., Wang, Y. T., Chiang, T. Y., Chen, P. & Guo, T. F., 2016 Jan 1, In : Advanced Materials. 28, 17, p. 3290-3297 8 p.

Research output: Contribution to journalArticle

41 Citations (Scopus)
2015

Conversion efficiency improvement of InGaN/GaN multiple-quantum-well solar cells with Ex Situ AlN nucleation layer

Yu, C. T., Lai, W. C., Yen, C. H., Chang, C. W., Tu, L. W. & Chang, S. J., 2015 May 1, In : IEEE Transactions on Electron Devices. 62, 5, p. 1473-1477 5 p., 7078911.

Research output: Contribution to journalArticle

3 Citations (Scopus)
26 Citations (Scopus)

Double superstructures in InGaN/GaN nano-pyramid arrays

Chang, C. Y., Li, H., Hong, K. B., Yang, Y. Y., Lai, W. C. & Lu, T. C., 2015 Aug 11, In : Superlattices and Microstructures. 86, p. 275-279 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Efficiency improvement of the light-emitting diodes by the lateral overgrowth GaN on an AlN nanorod template

Lan, W. Y., Yin, Y. F., Tsai, C. H., Ma, M. X., Li, H. W., Lai, W. C. & Huang, J., 2015 Jan 1, Fourteenth International Conference on Solid State Lighting and LED-Based Illumination Systems. Dietz, N., Huang, J-J., Kane, M. H. & Jiao, J. (eds.). SPIE, 95710O. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9571).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

GaN-based ultraviolet light-emitting diodes with AlN/GaN/InGaN multiple quantum wells

Chang, H. M., Lai, W. C., Chen, W. S. & Chang, S. J., 2015 Apr 6, In : Optics Express. 23, 7, p. A337-A345

Research output: Contribution to journalArticle

11 Citations (Scopus)

GaN MSM UV Photodetector with Sputtered AlN Nucleation Layer

Wang, C. K., Chiou, Y. Z., Chang, S. J., Lai, W. C., Chang, S. P., Yen, C. H. & Hung, C. C., 2015 Sep, In : IEEE Sensors Journal. 15, 9, p. 4743-4748 6 p., 7093119.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Improved carrier injection in GaN-based VCSEL via AlGaN/GaN multiple quantum barrier electron blocking layer

Hsieh, D. H., Tzou, A. J., Kao, T. S., Lai, F. I., Lin, D. W., Lin, B. C., Lu, T. C., Lai, W. C., Chen, C. H. & Kuo, H. C., 2015 Oct 19, In : Optics Express. 23, 21, p. 27145-27151 7 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Light emitting diodes

Lin, C. C., Chen, K. J., Lin, D. W., Han, H. V., Lai, W. C., Huang, J. J., Lu, T. C., Chang, S. J. & Kuo, H. C., 2015 Jan 1, In : Topics in Applied Physics. 129, p. 179-234 56 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Low operation voltage of GaN-based LEDs with Al-doped ZnO upper contact directly on p-type GaN without insert layer

Chen, P. H., Chen, Y. A., Chang, L. C., Lai, W. C. & Kuo, C. H., 2015 Jul, In : Solid-State Electronics. 109, p. 29-32 4 p., 6758.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Nanoscale epitaxial lateral overgrowth of GaN-based light-emitting diodes on an AlN nanorod-array template

Tsai, C. H., Ma, M. H., Yin, Y. F., Li, H. W., Lai, W. C. & Huang, J., 2015 May 1, In : IEEE Journal of Quantum Electronics. 51, 5, 7066933.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Perovskite-based solar cells with nickel-oxidized nickel oxide hole transfer layer

Lai, W. C., Lin, K. W., Guo, T. F. & Lee, J., 2015 May 1, In : IEEE Transactions on Electron Devices. 62, 5, p. 1590-1595 6 p., 7072522.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Vertical GaN-Based LEDs with Naturally Textured Surface Formed by Patterned Sapphire Substrate with Self-Assembled Ag Nanodots as Etching Mask

Yeh, Y. H., Sheu, J. K., Lee, M. L., Yen, W. Y., Peng, L. C., Yeh, C. Y., Liao, P. H., Chen, P. C. & Lai, W. C., 2015 Sep 1, In : IEEE Transactions on Electron Devices. 62, 9, p. 2919-2923 5 p., 7202874.

Research output: Contribution to journalArticle

7 Citations (Scopus)

White emission from non-planar InGaN/GaN MQW LEDs grown on GaN template with truncated hexagonal pyramids

Lee, M. L., Yeh, Y. H., Tu, S. J., Chen, P. C., Lai, W-C. & Sheu, J-K., 2015 Apr 6, In : Optics Express. 23, 7, p. A401-A412

Research output: Contribution to journalArticle

10 Citations (Scopus)
2014
12 Citations (Scopus)

GaN-based light-emitting diodes with graphene/indium tin oxide transparent layer

Lai, W. C., Lin, C. N., Lai, Y. C., Yu, P., Chi, G. C. & Chang, S. J., 2014 Mar 10, In : Optics Express. 22, 5, p. A396-A401

Research output: Contribution to journalArticle

16 Citations (Scopus)

GaN-Based light-emitting-diode with a p-InGaN layer

Chen, P. H., Kuo, C. H., Lai, W. C., Chen, Y. A., Chang, L. C. & Chang, S. J., 2014 Mar 1, In : IEEE/OSA Journal of Display Technology. 10, 3, p. 204-207 4 p., 6679256.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Improved light extraction of nitride-based flip-chip light-emitting diodes by forming air voids on Ar-implanted sapphire substrate

Yeh, Y. H., Sheu, J-K., Lee, M. L., Chen, P. C., Yang, Y. C., Yen, C. H. & Lai, W-C., 2014 Jan 1, Thirteenth International Conference on Solid State Lighting. Jiao, J., Kane, M. H., Dietz, N. & Huang, J-J. (eds.). SPIE, 91900Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9190).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optoelectrical characteristics of green lightemitting diodes containing thick InGaN wells with digitally grown InN/GaN

Yu, C. T., Lai, W-C., Yen, C. H., Hsu, H-C. & Chang, S-J., 2014 Jan 1, In : Optics Express. 22, SUPPL. 3

Research output: Contribution to journalArticle

10 Citations (Scopus)

Photoelectrochemical hydrogen generation with linear gradient Al composition dodecagon faceted AlGaN/n-GaN electrode

Lai, W. C., Ma, M. H., Lin, B. K., Hsieh, B. H., Wu, Y. R. & Sheu, J. K., 2014 Dec 15, In : Optics Express. 22, 25, p. A1853-A1861

Research output: Contribution to journalArticle

3 Citations (Scopus)

Selective Growth of AlGaN-Based p-i-n UV Photodiodes Structures

Lee, M. L., Yeh, Y. H., Chang, K. H., Chen, P. C., Lai, W. C. & Sheu, J. K., 2014 Nov 1, In : IEEE Journal on Selected Topics in Quantum Electronics. 20, 6, 6824169.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Terahertz plasmonic waveguide based on metal rod arrays for nanofilm sensing

You, B., Peng, C. C., Jhang, J. S., Chen, H. H., Yu, C. P., Lai, W-C., Liu, T. A., Peng, J. L. & Lu, J-Y., 2014 Jan 1, In : Optics Express. 22, 9, p. 11340-11350 11 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2013

Dual-wavelength GaN-based LEDs grown on truncated hexagonal pyramids formed by selective-area regrowth on si-implanted GaN templates

Lee, M. L., Yeh, Y. H., Tu, S. J., Chen, P. C., Wu, M. J., Lai, W. C. & Sheu, J. K., 2013 Sep 9, In : Optics Express. 21, 105, p. A864-A871

Research output: Contribution to journalArticle

6 Citations (Scopus)

Effects of H2 in GaN barrier spacer layer of InGaN/GaN multiple quantum-well light-emitting diodes

Lai, W. C. & Yang, Y. Y., 2013 Jan 1, In : IEEE/OSA Journal of Display Technology. 9, 4, p. 234-238 5 p., 6374703.

Research output: Contribution to journalArticle

6 Citations (Scopus)