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Updated: Jun 18, 2026

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
Published on: September 22, 2015
Photochemical reactivity of graphene
Haitao Liu1, Sunmin Ryu, Zheyuan Chen
1Department of Chemistry and Columbia University Center for Electronics of Molecular Nanostructures, Columbia University, 3000 Broadway, New York, New York 10027, USA.
Abstract:
We demonstrate a photochemical reaction between graphene and benzoyl peroxide. This reaction introduces spatially localized defects into the graphene basal plane. The reactivity of the single-layer graphene is approximately 14 times higher than that of the double-layer graphene. Our result suggests that photoexcited graphene transfers a hot electron to benzoyl peroxide and induces its decomposition to a phenyl radical.
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