[1] Chinese Acad Sci, Div Phys Biol, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Key Lab Interfacial Phys & Technol, Shanghai Synthchrotron Radiat Facil, Bioimaging Ctr,Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Natl Syngerst Innovat Ctr Adv Mat SICAM, Key Lab Organ Elect & Informat Displays KLOELD, Inst Adv Mat IAM, 9 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China