[Xu, Changwen; Zhang, Han; Wang, Zhiteng; Xiang, Yuanjiang; Dhanabalan, Sathish Chander; Sophia, Joice] Shenzhen Univ, Shenzhen Key Lab Dimens Mat & Devices 2, Shenzhen Engn Lab Phosphorene & Optoelect, SZU NUS Collaborat Innovat Ctr Optoelect Sci & Te, Shenzhen 518060, Peoples R China.
[Xu, Changwen; Zhang, Han; Wang, Zhiteng; Xiang, Yuanjiang; Dhanabalan, Sathish Chander; Sophia, Joice] Shenzhen Univ, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China.
[Xu, Yanhua; Zhao, Chujun] Hunan Univ, Coll Phys & Microelect Sci, Minist Educ, Key Lab Micronano Optoelect Devices, Changsha 410082, Hunan, Peoples R China.
[Li, Jianqing] Macau Univ Sci & Technol, Fac Informat Technol, Ave Wai Long, Taipa, Macau, Peoples R China.
[Wang, Zhiteng] Hengyang Normal Univ, Dept Phys & Elect Informat, Hengyang 421008, Peoples R China.