Iris-Like Acceptor with Most PDI Units for Organic Solar Cells
Simiao Yu1,2, Yusheng Chen1, Jianfei Wu1
1College of Materials Science and Opto-Electronic Technology & Key Laboratory of Vacuum Physic , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China.
Abstract:
Mother Nature is always the best source for scientists to draw inspiration. Herein, a three-dimensional perylene diimide (PDI)-based molecular acceptor was designed and synthesized, in which six PDI units form an "iris-like" structure upon connecting with the hexaphenylbenzene core. Interestingly, this molecule is the nonfullerene acceptor containing most PDI units, which can absorb solar light to exhibit excellent power conversion efficiency, much more efficient than the natural flowers. This contribution presents an interesting example of learning from Mother Nature to design novel materials for applications.
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