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Lai, Kun-Yu Professor (Associate Chair)
+886-3-4227151 ext 25256

Kun-Yu (Alvin) Lai is currently a professor in the Department of Optics and Photonics at National Central University (NCU) in Taiwan. Dr. Lai received his Ph.D. degree in Electrical Engineering from North Carolina State University in 2009. After working as the postdoctoral fellow in the Graduate Institute of Photonics and Optoelectronics at National Taiwan University in 2009-2011, he joined the faculty in the Department of Optics and Photonics at NCU, where he specialized in the growth/fabrication of novel III-nitrides optoelectronic devices and the optical properties of low-dimensional structures, such as quantum wells and nanowires. Lab Web: http://kylai.cloudweb.com.tw/

Ph.D., Electrical Engineering, North Carolina State University, USA

Work Experience
  • Faculty, Dept. of Optics and Photonics, National Central University, Taiwan. [8/2011 ~ ]

  • Postdoctoral Fellow, Institute of Photonics and Optoelectronics, National Taiwan University, Taiwan. [8/2009 ~ 7/2011]

  • Research Engineer, Genesis Photonics Inc., Taiwan. [2/2003 ~ 6/2005]
Research Interests

Growth and fabrication of III-nitride optoelectronic devices: LEDs, biosensors, etc.

Research Groups OptoelectronicsSolar CellsSolid-State Lighting and Human Factors Technology

Current Research Areas

The research in Optoelectronic Material and Device Lab is focused on development of III-nitride optoelectronic devices, including LEDs and biosensors. Enhanced efficiency/cost ratios of these devices are achieved through novel growth and fabrication techniques. Additional research interest is directed toward theoretical investigations on the mechanisms responsible for emission/absorption rates in III-nitride semiconductors.

Selected Publications
Journal Papers
 No. Title
1 Fang Yin Zhao, Nguyen Thi Anh Nguyet, Chia-Wei Tsai, Che-Men Chu, Wei-Yen Woon, Chien-Ting Wu, Kun-Lin Lin, Yo-Song Huang, Chih-Ming Wang, Fan-Ching Chien*, and Kun-Yu Lai*, “Catching single molecules with plasmonic InGaN quantum dots”, Adv. Opt. Mater. (2023) DOI:10.1002/adom.202300431.
2 Thi Anh Nguyet Nguyen, Ying-Lung Yu, Ya Chien Chang, Yu-Han Wang, Wei-Yen Woon, Chien-Ting Wu, Kun-Lin Lin, Cheng-Yi Liu, Fan-Ching Chien*, and Kun-Yu Lai*, “Controlling the electron concentration for surface-Enhanced Raman spectroscopy”, ACS Photonics 8, 2410 (2021).
3 Fan-Ching Chien, Ting Fu Zhang, Chi Chen, Thi Anh Nguyet Nguyen, Song-Yu Wang, Syuan Miao Lai, Chia-Hua Lin, Chun-Kai Huang, Cheng-Yi Liu, and Kun-Yu Lai*, “Nanostructured InGaN quantum wells as a surface-enhanced Raman scattering substrate with expanded hot spots”, ACS Appl. Nano Mater. 4, 2614 (2021).
4 Chun-Pin Huang, Muzafar Ahmad Rather, Chien-Ting Wu, Ravi Loganathan, Ying-Hao Ju, Kun-Lin Lin, Jen-Inn Chyi, and Kun-Yu Lai*, “Crystal Transformation of Cubic BN Nanoislands to Rhombohedral BN Sheets on AlN for Deep-UV Light-Emitting Diodes”, ACS Appl. Nano Mater. 3, 5285 (2020).
5 Fan-Ching Chien, Jen-Long Lo, Xingwang Zhang, Ertugrul Cubukcu, Yu-Tang Luo, Kai-Lin Huang, Xiaofang Tang|, Chien-Sheng Chen, Chii-Chang Chen, and Kun-Yu Lai*, “Nitride-based microarray biochips: A new route of plasmonic imaging”, ACS Appl. Mater. Interfaces 10, 39898 (2018).
Book(s)/Book Chapter(s)  

· J.R.D. Retamal, C.Y. Chen, K.Y. Lai and J.H. He, "ZnO-based nanostructures," Chapter 4 in Handbook of Zinc Oxide and Related Materials: Volume Two, Devices and Nano-Engineering, Taylor & Francis Group (2012) ISBN: 978-143-985-574-4

Optoelectronic Material and Device Laboratory (Ⅱ)
Optoelectronic Material and Device Laboratory (I)


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.TEL: +886-3-4227151 ext. 65251.FAX: 886-3-4252897.Email:ncu5251@ncu.edu.tw
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