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5 years ago

Efficient Organic Solar Cells with Non-Fullerene Acceptors

Efficient Organic Solar Cells with Non-Fullerene Acceptors
Hongzheng Chen, Chang-Zhi Li, Minmin Shi, Wenqing Liu, Shuixing Li
Fullerene-free OSCs employing n-type small molecules or polymers as the acceptors have recently experienced a rapid rise with efficiencies exceeding 12%. Owing to the good optoelectronic and morphological tunabilities, non-fullerene acceptors exhibit great potential for realizing high-performance and practical OSCs. In this Review, recent exciting progress made in developing highly efficient non-fullerene acceptors is summarized, mainly correlating factors like absorption, energy loss and morphology of new materials to their correspondent photovoltaic performance. Fullerene-free organic solar cells (OSCs) have made great progress in recent years with efficiencies surpassing 12%. In this Review, recent high-performance non-fullerene acceptors developed for OSCs are summarized, mainly correlating factors like absorption, energy loss and morphology of new materials to their correspondent photovoltaic performance. The perspectives for fullerene-free OSCs with efficiency of 15% are briefly discussed.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/smll.201701120

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