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

Chem Commun (Camb)

Department of Chemistry, College of Science, Research Institute for Natural Sciences, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 136-713, Republic of Korea.

Published: September 2012

AI Article Synopsis

  • A new conjugated molecule, HBTATHT, was synthesized and tested for electronic applications.
  • Thin film transistors using HBTATHT achieved a carrier mobility of 0.15 cm²/V·s with a high on/off ratio of 7.9 × 10⁶.
  • Solution-processed solar cells made from HBTATHT showed power conversion efficiencies of 4.84% and 4.70% when combined with PC(61)BM and PC(71)BM, respectively.

Article Abstract

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 × 10(6)). Further, a solution processed solar cell made of HBTATHT exhibited promising power conversion efficiencies of 4.84% and 4.70% with PC(61)BM (1:0.8 wt ratio) and PC(71)BM (1:0.6 wt ratio), respectively.

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Source
http://dx.doi.org/10.1039/c2cc34109cDOI Listing

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