Review of deep ultraviolet photodetector based on gallium oxide

Qin Yuan^{1, 3}, Long Shibing^{2, 3, †}, Dong Hang^{1, 3}, He Qiming¹, Jian Guangzhong^{1, 3}, Zhang Ying^{1, 3}, Hou Xiaohu², Tan Pengju², Zhang Zhongfang², Lv Hangbing^{1, 3}, Liu Qi^{1, 3}, Liu Ming^{1, 3}

(a) Schematic presentation of the imaging system by using the diamond/β-Ga₂O₃ heterojunction-based solar-blind photodetector as the sensing pixel at bias voltage of 0 V. (b) The imaged object with letters of “UV” on a black paper. (c) The image obtained from the imaging system.^[13]