1. Xi’an Key Laboratory of Liquid Crystal and Organic Photovoltaic Materials, State Key Laboratory of Fluorine & Nitrogen Chemicals, Optical and Electrical Material Center, Xi’an Modern Chemistry Research Institute, Xi’an, Shaanxi, People’s Republic of China
2. Key Laboratory of Applied Surface and Colloid Chemistry, School of Materials Science and Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China