Yan Qian1, Guohua Xie2, Shufen Chen1, Zhengdong Liu1, Yeren Ni1, Xinhui Zhou1, Linghai Xie1, Jing Liang1, Yuezhi Zhao1, Minghong Yi1, Yi Zhao1, Wei Wei1, Wei Huang1
1Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing 210046, China
2State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China