1. Institute for Advanced Materials, College of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
2. Institute Zhenjiang Key Laboratory of UVA Application Technology, Jiangsu Aviation Technical College, Zhenjiang 212134, P. R. China
3. Changzhou EGing Photovoltaic Technology Co., Ltd, Changzhou 213200, P. R. China