articleJournal of the American Chemical SocietyDec 13, 2015Closed access

High-Performance Solution-Processed Non-Fullerene Organic Solar Cells Based on Selenophene-Containing Perylene Bisimide Acceptor

DMDong MengDSDan SunCZChengmei ZhongTLTao LiuBFBingbing Fan

University of Chinese Academy of Sciences · Beihang University · +7 more institutions

PubMed
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Abstract

Non-fullerene acceptors have recently attracted tremendous interest because of their potential as alternatives to fullerene derivatives in bulk heterojunction organic solar cells. However, the power conversion efficiencies (PCEs) have lagged far behind those of the polymer/fullerene system, mainly because of the low fill factor (FF) and photocurrent. Here we report a novel perylene bisimide (PBI) acceptor, SdiPBI-Se, in which selenium atoms were introduced into the perylene core. With a well-established wide-band-gap polymer (PDBT-T1) as the donor, a high efficiency of 8.4% with an unprecedented high FF of 70.2% is achieved for solution-processed non-fullerene organic solar cells. Efficient photon absorption,…

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698
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Topics & keywords

Topics
Keywords
  • Perylene
  • Fullerene
  • Organic solar cell
  • Chemistry
  • Photocurrent
  • Acceptor
  • Polymer solar cell
  • Photochemistry
UN Sustainable Development Goals
  • Affordable and clean energy
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