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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.

Lei Y1,2, Deng P1,3, Lin M4, Zheng X5, Zhu F1,2, Ong BS1,3.

Author information

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.

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.

KEYWORDS:

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

PMID:
27168128
DOI:
10.1002/adma.201600580

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