Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 4, Issue 2, Pages 1016-1020Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am201664n
Keywords
graphene; dopamine; reduction; click chemistry; electrochemistry; azide function
Funding
- European Regional Development Fund within Innovative Economy Operational Programme Grants for Innovation
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An easy and environmentally friendly chemical method for the simultaneous reduction and noncovalent functionalization of graphene oxide (GO) using dopamine derivatives is. described. The reaction takes place at room temperature, under ultrasonication of an aqueous suspension of GO and a dopamine derivative. X-ray photoelectron spectroscopy, FT-IR spectroscopy, and cyclic voltammetry characterizations revealed that the resulting material consists of graphene functionalized with the dopamine derivative. This one-step protocol is applied for simultaneous reduction and functionalization of graphene oxide with a dopamine derivative bearing an azide function. The chemical reactivity of the azide function was demonstrated by a postfunctionalization with ethynylferrocene using the Cu(I) catalyzed 1,3-dipolar cyloaddition.
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