4.7 Article

J-aggregation induced low bandgap anthracene-based conjugated molecule for solution-processed solar cells

Journal

CHEMICAL COMMUNICATIONS
Volume 48, Issue 68, Pages 8490-8492

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc34109c

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Funding

  1. National Research Foundation of Korea [NRF2012008797, NRF-PRC20120005860]
  2. Korea Institute of Energy Technology Evaluation and planning (KETEP)
  3. Ministry of Knowledge Economy [20103020010010-12-2-400]

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A new anthracene-based X-shaped conjugated molecule, HBTATHT, was synthesized. Thin film transistors based on unannealed HBTATHT showed a carrier mobility of 0.15 cm(2) V-1 s(-1) (I-on/off = 7.9 x 10(6)). Further, a solution processed solar cell made of HBTATHT exhibited promising power conversion efficiencies of 4.84% and 4.70% with PC61BM (1 : 0.8 wt ratio) and PC71BM (1 : 0.6 wt ratio), respectively.

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