Efficient doping modulation of monolayer WS2 for optoelectronic applications*

Project supported by the National Natural Science Foundation of China (Grant No. 21405109) and Seed Foundation of State Key Laboratory of Precision Measurement Technology and Instruments, China (Grant No. 1710).

Ma Xinli, Zhang Rongjie, An Chunhua, Wu Sen, Hu Xiaodong, Liu Jing
       

Characterization of CVD-grown WS2. (a) AFM image, (b) thickness profile, (c) Raman and (d) photoluminescence spectra of the CVD-grown monolayer WS2.