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Adv Mater. 2016 Aug;28(31):6687-94. doi: 10.1002/adma.201600580. Epub 2016 May 11.

Enhancing Crystalline Structural Orders of Polymer Semiconductors for Efficient Charge Transport via Polymer-Matrix-Mediated Molecular Self-Assembly.

Advanced materials (Deerfield Beach, Fla.)

Yanlian Lei, Ping Deng, Ming Lin, Xuelin Zheng, Furong Zhu, Beng S Ong

Affiliations

  1. Research Centre of Excellence for Organic Electronics, Hong Kong Baptist University, Hong Kong SAR, P. R. China.
  2. Department of Physics, Hong Kong Baptist University, Hong Kong SAR, P. R. China.
  3. Department of Chemistry and Institute of Creativity, Hong Kong Baptist University, Hong Kong SAR, P. R. China.
  4. Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research, Singapore, 3 Research Link, Singapore, 117602, Singapore.
  5. College of Materials Science and Engineering, Fujian Normal University, Fuzhou, 350007, P. R. China.

PMID: 27168128 DOI: 10.1002/adma.201600580

Abstract

A facile polymer-matrix-mediated molecular self-assembly of polymer semiconductors into highly crystalline orders for efficient charge transport in organic thin-film transistors is demonstrated. Phenomenal enhancements in field-effect mobility of about one order of magnitude and current on/off ratio of two to three orders of magnitude are realized with polyacrylonitrile-incorporated polymer semiconductor compositions via solution deposition.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: conjugated polymers; electron acceptor-donor polymers; organic thin film transitors; organic thin-film transistors; semiconductor polymers

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