Covalent and Noncovalent Functionalization and Solubilization of Graphene
While solubilization of graphene in nonpolar solvents can be accomplished through covalent functionalization, by involving the preparation of a long-chain alkylamide derivative, it is more easily accomplished by interaction with an organosilane or an organotin reagent such as hexadecyltrimethoxysilane
and dibutyldimethoxytin. Noncovalent functionalization of graphene through π–π interaction by using 1-pyrenebutanoic acid succinimidyl ester gives stable dispersions in dimethylformamide. Interaction of graphene with surfactants produces stable aqueous dispersions,
Igepal being effective even at low concentrations.
Keywords: FUNCTIONALIZATION; GRAPHENE; RAMAN SPECTROSCOPY; SOLUBILIZATION; TRANSMISSION ELECTRON MICROSCOPY
Document Type: Short Communication
Publication date: 01 March 2009
- Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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