Porphyrin-incorporated 2D D-A polymers with over 8.5% polymer solar cell efficiency

Yi Hsiang Chao, Jyun Fong Jheng, Jhong Sian Wu, Kuan Yi Wu, Hsih Hao Peng, Ming Chi Tsai, Chin Li Wang, Yen Ni Hsiao, Chien-Lung Wang, Ching Yao Lin, Chain-Shu Hsu

Research output: Contribution to journalArticlepeer-review

97 Scopus citations

Abstract

A copolymerization strategy is developed to utilize porphyrin as a complementary light-harvesting unit (LHU) in D-A polymers. For polymer solar cells (PSCs), the presence of LHUs increases the short-circuit current density (Jsc) without sacrificing the open-circuit voltage (Voc) and fill factor (FF). Up to 8.0% power conversion efficiency (PCE) is delivered by PPor-2:PC71BM single-junction PSCs. A PCE of 8.6% is achieved when a C-PCBSD cathodic interlayer is introduced.

Original languageEnglish
Pages (from-to)5205-5210
Number of pages6
JournalAdvanced Materials
Volume26
Issue number30
DOIs
StatePublished - 13 Aug 2014

Keywords

  • bulk-heterojunction organic photovoltaics
  • conjugated polymers
  • fullerenes
  • organic electronics
  • porphyrin

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