[Yao, Hong; Yuan, Du; Li, Yuhang; Zhu, Xiaobo; Li, Xin] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.
[Zhao, Jin] Nanjing Univ Posts & Telecommun, State Key Lab Organ Elect & Informat Displays, 9 Wenyuan Rd, Nanjing 210023, Peoples R China.
[Zhao, Jin] Nanjing Univ Posts & Telecommun, Inst Adv Mat IAM, 9 Wenyuan Rd, Nanjing 210023, Peoples R China.
[Zhang, Haitao] Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China.
[Zhang, Yizhou] Nanjing Univ Informat Sci & Technol, Inst Adv Mat & Flexible Elect IAMFE, Sch Chem & Mat Sci, Nanjing 210044, Peoples R China.