Photo-oxidation of Graphene in the Presence of Water

Photo-oxidation of Graphene in the Presence of Water

Oxygen molecules are found to exhibit nonnegligible reactivity with graphene under strong light irradiation in the presence of water. The reaction is triggered by the laser Raman spectroscopy measurement itself, and the D band (ca. 1340 cm–1) becomes larger as the laser irradiation is prolonged. The...

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Veröffentlicht in:Journal of physical chemistry. C 2013-01, Vol.117 (3), p.1453-1456
Hauptverfasser: Mitoma, Nobuhiko, Nouchi, Ryo, Tanigaki, Katsumi
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Chemistry
Exact sciences and technology
General and physical chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
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container_title Journal of physical chemistry. C
container_volume 117
creator Mitoma, Nobuhiko
Nouchi, Ryo
Tanigaki, Katsumi
description Oxygen molecules are found to exhibit nonnegligible reactivity with graphene under strong light irradiation in the presence of water. The reaction is triggered by the laser Raman spectroscopy measurement itself, and the D band (ca. 1340 cm–1) becomes larger as the laser irradiation is prolonged. The electronic transport properties of the graphene derivative are also investigated and both the electron and hole mobility are found to be reduced. These results are attributed to oxidation of graphene. This primitive modification method can be exploited to manipulate the structural and electronic properties of graphene.
doi_str_mv 10.1021/jp305823u
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subjects Chemistry
Exact sciences and technology
General and physical chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
title Photo-oxidation of Graphene in the Presence of Water
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