1. Organic Semiconductor Research CenterChongqing Institute of Green and Intelligent TechnologyChongqing SchoolUniversity of Chinese Academy of Sciences (UCAS Chongqing) Chinese Academy of Sciences Chongqing 400714 P. R. China
2. University of Chinese Academy of Sciences Beijing 100049 P. R. China
3. School of Energy & Power EngineeringMOE Key Laboratory of Low-Grade Energy Utilization Technologies and SystemsCQU-NUS Renewable Energy Materials & Devices Joint LaboratoryChongqing University Chongqing 400044 P. R. China
4. Department of Energy EngineeringSchool of Energy and Chemical Engineering & Perovtronics Research CenterLow Dimensional Carbon Materials CenterInstitute of Science and Technology (UNIST) 50 UNIST-gil, Ulju-gun Ulsan 44919 Republic of Korea
5. School of Chemistry and Chemical EngineeringQiannan Normal University for Nationalities Duyun Guizhou Province 558000 P. R. China
6. Chongqing Key Laboratory for Advanced Materials & Technologies of Clean EnergiesSouthwest University Chongqing 400715 P. R. China