1. Jiangsu Key Laboratory for Carbon‐Based Functional Materials and Devices Institute of Functional Nano and Soft Materials (FUNSOM) Joint International Research Laboratory of Carbon‐Based Functional Materials and Devices Soochow University 199 Ren'ai Road Suzhou Jiangsu 215123 China
2. Hybrid Solar Cells, Faculty of Engineering and Natural Sciences Tampere University P.O. Box 541 Tampere FI‐33014 Finland