4.8 Article

Solution-Processed Organic Solar Cells Based on Dialkylthiol-Substituted Benzodithiophene Unit with Efficiency near 10%

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 44, Pages 15529-15532

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja509703k

Keywords

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Funding

  1. MOST [2012CB933401, 2014CB643502]
  2. NSFC [50933003, 51273093, 21004043]
  3. NSF of Tianjin City [10ZCGHHZ00600]
  4. PCSIRT [IRT1257]

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A small molecule named DR3TSBDT with dialkylthiol-substituted benzo[1,2-b:4,5-b']dithiophene (BDT) as the central unit was designed and synthesized for solution-processed bulk-heterojunction solar cells. A notable power conversion efficiency of 9.95% (certified 9.938%) has been achieved under AM 1.5G irradiation (100 mW cm(-2)), with an average PCE of 9.60% based on 50 devices.

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