Nucleation mechanism and morphology evolution of MoS2 flakes grown by chemical vapor deposition*

Project supported by the National Natural Science Foundation of China for Youths (Grant No. 61504036), the Natural Science Foundation of Hebei Province for Youths, China (Grant No. A2016201087), the Doctoral Fund of the Ministry of Education of China (Grant No. 20131301120003), and the Science and Technology Project of Hebei Province, China (Grant No. 13214315).

Xu He-Ju1, 2, Mi Jian-Song1, Li Yun1, Zhang Bin1, Cong Ri-Dong1, †, Fu Guang-Sheng1, ‡, Yu Wei1, ¶
       

(color online) (a) PL spectra of different areas marked as 1–5 in the inset of Figure 4(a), (b) mapping image of the PL intensity of the truncated triangle.