1. Faculty of Informatics and Engineering, The University of Electro-Communications, Tokyo 182-8585, Japan
2. School of Materials Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
3. Ecomaterials and Renewable Energy Research Center, Jiangsu Key Laboratory for Nano Technology, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
4. Kunshan Sunlaite New Energy Technology Co. Ltd., Suzhou 215347, China
5. Beijing Engineering Research Centre of Sustainable Energy and Buildings, Beijing University of Civil Engineering and Architecture, Beijing 102616, China
6. Faculty of Life Science and Systems Engineering, Kyushu Institute of Technology, Fukuoka 808-0196, Japan