Di-2-(2-oxindolin-3-ylidene)malononitrile Derivatives for N‑Type Air-Stable Organic Field-Effect Transistors

The nitrogenization of phenyl rings on DIM derivatives not only enhances molecular coplanarity but also stabilizes molecular LUMO levels, favoring charge transfer and improving air stability. Therefore, n-type organic field-effect transistors (OFETs) that are based on DIM-N2C8 with nitrogen atoms on...

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Bibliographic Details
Published in:Organic letters 2018-01, Vol.20 (1), p.40-43
Main Authors: Dhondge, Attrimuni P, Chen, Jian-You, Lin, Ta, Yen, Feng-Ming, Li, Kan-Wei, Hsieh, Hsin-Chun, Kuo, Ming-Yu
Format: Article
Language:English
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Summary:The nitrogenization of phenyl rings on DIM derivatives not only enhances molecular coplanarity but also stabilizes molecular LUMO levels, favoring charge transfer and improving air stability. Therefore, n-type organic field-effect transistors (OFETs) that are based on DIM-N2C8 with nitrogen atoms on both sides of the phenyl rings exhibit a moderate electron mobility of 0.059 cm2 V–1 s–1 under ambient conditions.
ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.7b03284