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Patterning and tuning of electrical and optical properties of graphene by laser induced two-photon oxidation.
Nanoscale ; 7(7): 2851-5, 2015 Feb 21.
Artigo em Inglês | MEDLINE | ID: mdl-25492105
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.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Nanoscale Ano de publicação: 2015 Tipo de documento: Artigo País de afiliação: Finlândia