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Issue 26, 2009
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Covalent functionalization of chemically converted graphene sheets via silane and its reinforcement

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Abstract

Polydisperse, functionalized, chemically converted graphene (f-CCG) nanosheets, which can be homogeneously distributed into water, ethanol, DMF, DMSO and 3-aminopropyltriethoxysilane (APTS), were obtained via facile covalent functionalization with APTS. The resulting f-CCG nanosheets were characterized by FTIR, XPS, TGA, EDX, AFM, SEM, and TEM. Furthermore, the f-CCG nanosheets as reinforcing components were extended into silica monoliths. Compressive tests revealed that the compressive failure strength and the toughness of f-CCG-reinforced APTS monoliths at 0.1 wt% functionalized, chemically converted graphene sheets compared with the neat APTS monolith were greatly improved by 19.9% and 92%, respectively.

Graphical abstract: Covalent functionalization of chemically converted graphene sheets via silane and its reinforcement

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Publication details

The article was received on 22 Jan 2009, accepted on 06 Apr 2009 and first published on 18 May 2009


Article type: Paper
DOI: 10.1039/B901421G
Citation: J. Mater. Chem., 2009,19, 4632-4638
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    Covalent functionalization of chemically converted graphene sheets via silane and its reinforcement

    H. Yang, F. Li, C. Shan, D. Han, Q. Zhang, L. Niu and A. Ivaska, J. Mater. Chem., 2009, 19, 4632
    DOI: 10.1039/B901421G

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