Enhanced photoresponse performance in Ga/Ga2O3 nanocomposite solar-blind ultraviolet photodetectors*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11674405 and 11675280) and the Fund from the Laboratory of Microfabrication in Institute of Physics, Chinese Academy of Sciences.

Cui Shu-Juan1, 2, Mei Zeng-Xia1, †, Hou Yao-Nan1, Chen Quan-Sheng1, 2, Liang Hui-Li1, Zhang Yong-Hui1, 2, Huo Wen-Xing1, 2, Du Xiao-Long1, 2, ‡
       

(color online) Photoelectric properties of the PDs: IV curves (a) in the dark and (b) under 254-nm UV light illumination, (c) time-dependent photoresponse with the 254-nm UV light periodically on and off, and (d) photoresponsivity spectra of the PDs biased at 15 V.