1. Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, P. R. China
2. Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics, Guangzhou 510650, P. R. China
3. CAS Engineering Laboratory for Special Fine Chemicals, Guangzhou 510650, P. R. China
4. University of Chinese Academy of Sciences, Beijing 10049, P. R. China
5. CASH GCC Shaoguan Research Institute of Advanced Materials, Nanxiong 512400, P. R. China
6. Zhaoqing Outao New Material Co., Ltd, Zhaoqing 526000, P. R. China