High‐Performance Solar Cells using a Solution‐Processed Small Molecule Containing Benzodithiophene Unit

• DOI: 10.1002/adma.201102790
• Publication Date: 2011-10-21T12:43:36Z
• Authors: Yongsheng Liu; Xiangjian Wan; Fei Wang; Jiaoyan Zhou; Guankui Long; Jianguo Tian; Yongsheng Chen
• Keywords: Solutions; Electric Power Supplies; X-Ray Diffraction; Polymers; Sunlight; Spectrophotometry, Ultraviolet; Thiophenes; 02 engineering and technology; 0210 nano-technology; 7. Clean energy

A conjugated small molecule containing a benzodithiophene unit shows high performance in bulk heterojunction (BHJ) solar cells. Using the simple solution spinning process, a high PCE is achieved by employing this molecule as the donor in BHJ solar cells.