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Updated: Feb 22, 2026

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
Published on: September 22, 2015
White light induced covalent modification of graphene using a phenazine dye
David P Martin1, Amina Tariq, Billy D O Richards
1School of Chemistry, University of Leeds, LS2 9JT Leeds, UK. N.sergeeva@leeds.ac.uk.
Abstract:
Herein, we report a novel strategy for a covalent modification of graphene nanoplatelets with photoactive dyes. The functionalization of the graphene surface was carried out using white light to photochemically generate phenazine radicals and the reaction progress was followed up spectrophotometrically. The characterization of the modified material was carried out using FTIR, XRD, UV-vis absorption, fluorescence, Raman spectroscopy and SEM imaging. The hybrid material has improved solubility, shows an optical band gap of 1.95 eV and is highly emissive in the visible wavelength region.
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