1. Frontiers Science Center for Flexible Electronics and MIIT Key Laboratory of Flexible Electronics (KLoFE), Institute of Flexible Electronics, Northwestern Polytechnical University, Xi’an710072, People’s Republic of China
2. Key Laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo315103, People’s Republic of China
3. Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore117576, Singapore
4. State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing210023, People’s Republic of China