Fine-Tuning the Energy Levels of a Nonfullerene Small-Molecule Acceptor to Achieve a High Short-Circuit Current and a Power Conversion Efficiency over 12% in Organic Solar Cells.
Bin Kan,
Jiangbin Zhang,
Feng Liu,
Xiangjian Wan,
Chenxi Li,
Xin Ke,
Yunchuang Wang,
Huanran Feng,
Yamin Zhang,
Guankui Long,
Richard H Friend,
Artem A Bakulin,
Yongsheng Chen
Feb 23, 2018
Organic solar cell optimization requires careful balancing of current-voltage output of the materials system. Here, such optimization using ultrafast spectroscopy as a tool to optimize the material bandgap without altering...