4.3 Article

o-Quinodimethane-methano[60]fullerene and thieno-o-quinodimethane-methano[60]fullerene as efficient acceptor materials for polymer solar cells

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 42, Pages 22374-22377

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm35247h

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Funding

  1. 100 Talents Program of Chinese Academy of Sciences
  2. National Natural Science Foundation of China [21102028]
  3. Jiahong Optoelectronics

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Two novel 56 pi-electron fullerenes, o-quinodimethane-methano[60]fullerene (OQMF) and thieno-o-quinodimethane-methano[60]fullerene (TOQMF), were prepared by Diels-Alder reaction between methano[60]fullerene and o-quinodimethane type dienes. These fullerenes possess not only high LUMO levels but also sterically small addends, featuring outstanding performance in polymer solar cells. Up to 5.74% and 5.51% PCEs were achieved for OQMF/P3HT and TOQMF/P3HT solar cells, respectively.

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