Synthesis of Perylene-Containing Polyimides for Non-Covalent Functionalization of Graphene by Self-Assembly

Abstract:

A perylene-containing polyimide (PPI) has been successfully synthesized by thermal polycondensation of perylene-3,4,9,10-tetracarboxylic acid dianhydride and 2,2′-(ethylenedioxy)-diethylamine at high temperature. The as-prepared graphite oxide was ultrasonically exfoliated followed by solvothermal-reduction in N-methyl-2-pyrrolidone in the presence of PPI, yielding PPI-functionalized graphene nanosheets. It was found that PPI chains were non-covalently attached to the conjugated basal plane of graphene to form self-assembly nanostructures by π–π stacking. The present work may open a new route for the fabrication of polymer composites containing graphene.

• Periodical: Advanced Materials Research (Volume 534)
• Pages: 118-121
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.534.118
• Online since: June 2012
• Authors: Wen Jie He, Cheng En He, Ren Gui Peng, Ying Kui Yang
• Keywords: Functionalization, Graphen, Graphite Oxide, Polyimide, Solvothermal-Reduction

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