1. Key Laboratory for Organic Electronics and Information DisplaysInstitute of Advanced Materials (IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing University of Posts & Telecommunications 9 Wenyuan Road Nanjing 210023 China
2. Shaanxi Institute of Flexible Electronics (SIFE)Northwestern Polytechnical University (NPU) 127, West Youyi Road Xi'an 710072 Shaanxi China