Efficient Charge Transfer and Fine‐Tuned Energy Level Alignment in a THF‐Processed Fullerene‐Free Organic Solar Cell with 11.3% Efficiency

• DOI: 10.1002/adma.201604241
• Publication Date: 2016-11-28T15:42:06Z
• Authors: Zhong Zheng; Omar M. Awartani; Bhoj Gautam; Delong Liu; Yunpeng Qin; Wanning Li; Alexander Bataller; Kenan Gundogdu; Harald Ade; Jianhui Hou
• Keywords: 02 engineering and technology; 0210 nano-technology; 01 natural sciences; 7. Clean energy; 0104 chemical sciences; 3. Good health

Fullerene-free organic solar cells show over 11% power conversion efficiency, processed by low toxic solvents. The applied donor and acceptor in the bulk heterojunction exhibit almost the same highest occupied molecular orbital level, yet exhibit very efficient charge creation.