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ACS Appl Mater Interfaces. 2018 Aug 29;10(34):28812-28818. doi: 10.1021/acsami.8b10347. Epub 2018 Aug 17.

Iris-Like Acceptor with Most PDI Units for Organic Solar Cells.

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College of Materials Science and Opto-Electronic Technology & Key Laboratory of Vacuum Physic , University of Chinese Academy of Sciences , Beijing 100049 , P. R. China.
Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University , 30 South Puzhu Road , Nanjing 211816 , Jiangsu , P. R. China.
Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids , Institute of Chemistry Chinese Academy of Sciences , Beijing 100190 , P. R. China.


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.


flower-shape; nonfullerene acceptors; organic solar cells; perylene diimide; three-dimensional


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