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|Title:||Dicarboxylic imide-substituted poly(p-phenylene vinylenes) with high electron affinity|
|Source:||Qu, H., Luo, J., Zhang, X., Chi, C. (2010-01-01). Dicarboxylic imide-substituted poly(p-phenylene vinylenes) with high electron affinity. Journal of Polymer Science, Part A: Polymer Chemistry 48 (1) : 186-194. ScholarBank@NUS Repository. https://doi.org/10.1002/pola.23777|
|Abstract:||Synthesis of n-type organic semiconductors with high electron mobilities, good environmental stability, and good processability is an urgent task in current organic electronics. This is because most of π-conjugated materials are p-type and prefer to transport positive hole carriers. In this article, a series of new dicarboxylic imide-substituted poly(p-phenylene vinylenes) (DI-PPVs) were first synthesized. They exhibited a high electron affinity of 3.60 eV and thus are able to transport electrons. The polymers showed tunable solubility In common organic solvents and high chemical and thermal stability. They remain rigidity of the PPV backbone, and strong interchain π-stacking was observed in thin films by X-ray diffraction measurement. All these suggested that these polymers could serve as good candidates as n-type semiconductors in organic electronic devices such as n-channel fieldeffect transistors and all polymer-based solar cells. © 2009 Wiley Periodicals, Inc.|
|Source Title:||Journal of Polymer Science, Part A: Polymer Chemistry|
|Appears in Collections:||Staff Publications|
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