[1] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu 610054, Peoples R China
[2] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Device, Chengdu 610054, Peoples R China
[3] Univ Elect Sci & Technol China, Shenzhen Inst Adv Study, Shenzhen 518110, Peoples R China
[4] Univ Elect Sci & Technol China, Med Engn Cooperat Appl Med Res Ctr, Chengdu 610054, Peoples R China