1. Institute of Electrical Engineering Nanjing Vocational University of Industry Technology 99 Wenlan Road Nanjing 210023 China
2. State Key Laboratory of Organic Electronics and Information Displays Institute of Advanced Materials (IAM) Nanjing University of Posts & Telecommunications 9 Wenyuan Road Nanjing 210023 China
3. Frontiers Science Center for Flexible Electronics (FSCFE) MIIT Key Laboratory of Flexible Electronics (KLoFE) Northwestern Polytechnical University 127 West Youyi Road Xi'an 710072 China