NDLI: Effect of polymer chain conformation on field-effect transistor performance: synthesis and properties of two arylene imide based D

Content Provider	Royal Society of Chemistry (RSC)
Author	Yu, Gui Qin, Jingui Zhong, Cheng Gao, Siqi Chen, Dugang Liu, Yunqi Zhao, Yan
Copyright Year	2012
Abstract	Two donor–acceptor (D–A) alternating copolymers (P1 and P2) with phthalimide or thieno[3,4-c]pyrrole-4,6-dione as the electron acceptor and bithiophene as the electron donor have been synthesized by Stille polycondensation. Both polymers showed good thermal stability and a low HOMO level. Organic field-effect transistor (OFET) devices with common architectures were fabricated to evaluate and compare the FET properties of the two polymers. Though P2 exhibits better coplanarity than P1, the FET results revealed that both the hole mobility and current on–off ratio of P1 are more than one order of magnitude higher than P2. Theoretical calculations and AFM were conducted to analyze the reason for this very interesting result, and it was found that polymer chain conformation is another important factor (in addition to coplanarity) for polymers to obtain high FET performance.
Starting Page	14639
Ending Page	14644
Page Count	6
File Format	HTM / HTML PDF
ISSN	09599428
Volume Number	22
Issue Number	29
Journal	Journal of Materials Chemistry
DOI	10.1039/c2jm31755a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Stille Phthalimide Pyrrole Electron acceptor Redox Condensation polymer Organic field-effect transistor Field-effect transistor Coplanarity Polymer Conformational isomerism
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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