Effect of strain on exciton dynamics in monolayer WS2
Zhang Lu, He Da-Wei, He Jia-Qi, Fu Yang, Wang Yong-Sheng
       

(a) Optical microscope image of the WS2 sample. (b) Optical contrast of green channel along red dashed line in panel (a). (c) PL spectrum of monolayer WS2 sample without strain.