1. College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou 350108, China
2. Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China
3. Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou 213000, China
4. Institute of Flexible Electronics, Xi’an Key Laboratory of Flexible Electronics, Northwestern Polytechnical University, Xi’an 710072, China