Journal
NANO LETTERS
Volume 10, Issue 9, Pages 3754-3756Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl1024744
Keywords
Graphene; azides; covalent functionalization
Categories
Funding
- Oregon Nanoscience and Microtechnologies Institute (ONAMI)
- ONR [N00014-08-1-1237]
- NIH [2R15GM066279, R01 GM080295]
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Covalent functionalization of pristine graphene poses considerable challenges due to the lack of reactive functional groups. Herein, we report a simple and general method to covalently functionalize pristine graphene with well-defined chemical functionalities. It is a solution-based process where solvent-exfoliated graphene was treated with perfluorophenylazide (PFPA) by photochemical or thermal activation. Graphene with well-defined functionalities was synthesized, and the resulting materials were soluble in organic solvents or water depending on the nature of the functional group on PFPA.
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