Strain-modulated excitonic gaps in mono- and bi-layer MoSe2
Ji Jianting, Zhang Anmin, Xia Tianlong, Gao Po, Jie Yinghao, Zhang Qian, Zhang Qingming†,
       

PL spectra in monolayer (a) and bilayer (b) MoSe2 with applying strain from 0 to 0.75%.