1. Xi'an Key Laboratory of Advanced Photo-electronics Materials and Energy Conversion Device Key Laboratory of Organic Polymer Photoelectric Materials School of Electronic Information Xijing University 710123 Xi'an P. R. China
2. School of Materials Science and Engineering Xi'an Polytechnic University 710048 Xi'an Shaanxi P. R. China
3. School of Artificial Intelligence Optics and Electronics (iOPEN) Northwestern Polytechnical University 710072 Xi'an Shaanxi P. R. China