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Issue 7, 2015
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Patterning and tuning of electrical and optical properties of graphene by laser induced two-photon oxidation

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Abstract

We demonstrate a simple all-optical patterning method for graphene, based on laser induced two-photon oxidation. By tuning the intensity and dose of irradiation, the level of oxidation is controlled, the band gap is introduced and electrical and optical properties are continuously tuned. Complex patterning is performed for air-suspended monolayer graphene and for graphene on substrates. The presented concept allows development of all-graphene electronic and optoelectronic devices with an all-optical method.

Graphical abstract: Patterning and tuning of electrical and optical properties of graphene by laser induced two-photon oxidation

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Publication details

The article was received on 08 Sep 2014, accepted on 24 Nov 2014 and first published on 28 Nov 2014


Article type: Communication
DOI: 10.1039/C4NR05207B
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Citation: Nanoscale, 2015,7, 2851-2855
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    Patterning and tuning of electrical and optical properties of graphene by laser induced two-photon oxidation

    J. Aumanen, A. Johansson, J. Koivistoinen, P. Myllyperkiö and M. Pettersson, Nanoscale, 2015, 7, 2851
    DOI: 10.1039/C4NR05207B

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