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Issue 29, 2017, Issue in Progress
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Improved compatibility of DDAB-functionalized graphene oxide with a conjugated polymer by isocyanate treatment

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Abstract

2-Chlorophenyl isocyanate (CI) reacts with didodecyl dimethyl ammonium bromide (DDAB) functionalized graphene oxide (DDAB-GO) dispersed in ortho-dichlorobenzene under mild conditions. The CI treatment complements DDAB functionalization to further decrease the hydrophilicity of pristine GO sheets. The resulting CI–DDAB-GO exhibits improved compatibility with the conjugated polymer poly(3-hexylthiophene) (P3HT), compared to DDAB-GO. CI–DDAB-GO sheets can be homogeneously dispersed when blended with P3HT, resulting in an improved morphology compared to P3HT:DDAB-GO composites. The incorporation of CI–DDAB-GO can effectively reduce the dark current of photo-diodes based on P3HT composites, showing potential to enhance the performance of electronic devices based on conjugated polymer composites.

Graphical abstract: Improved compatibility of DDAB-functionalized graphene oxide with a conjugated polymer by isocyanate treatment

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Article information


Submitted
24 Dec 2016
Accepted
16 Mar 2017
First published
21 Mar 2017

This article is Open Access

RSC Adv., 2017,7, 17633-17639
Article type
Paper

Improved compatibility of DDAB-functionalized graphene oxide with a conjugated polymer by isocyanate treatment

F. Zheng, X. Yang, P. Bi, M. Niu, C. Lv, L. Feng, X. Hao and K. P. Ghiggino, RSC Adv., 2017, 7, 17633
DOI: 10.1039/C6RA28652F

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