Photodetectors based on junctions of two-dimensional transition metal dichalcogenides

Wei Xia¹, Yan Fa-Guang¹, Shen Chao¹, Lv Quan-Shan¹, Wang Kai-You^{1, 2, †}

(a) Band alignment of PN junction under photoconductive mode. (b) Band alignment of PN junction under photovoltaic mode.