[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect KLOFE, Nanjing 211816, Jiangsu, Peoples R China
[3] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat, Nanjing 211816, Jiangsu, Peoples R China