Study of the electrical properties of rGO obtained by different GO reduction methods

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2019
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Characterization of Minerals, Metals, and Materials
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Thiswork aimed at the synthesis of graphene oxide (GO) and its reduction in reduced graphene oxide (rGO), as well as the characterization of the obtained GO and of each of the products of the various GO reduction methods. The characteristics of the GO and rGO samples were compared in order to study the results for each reduction method. Graphene oxide was synthesized, from the modified Hummers methodology, using powdered graphite and subsequently reduced to rGO by different methods (chemical method: reduction with hydrazine and carbon–C-dots nanoparticles, and physical: ultrasound). The samples obtained from graphene oxide and reduced graphene oxide were characterized electrically and microstructurally. The results showed that the samples of GO reduced with hydrazine were those that obtained the best results of conductivity and good restructuring of the sp2 hybridization, followed by the carbon nanoparticles and ultrasound.

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MIRANDA, LEILA F.; GOMES, PAULO V.C.; ALMEIDA, FABIO J.M. de; SILVA, LEONARDO G.A. e; MUNHOZ JUNIOR, ANTONIO H.; MASSON, TEREZINHA J. Study of the electrical properties of rGO obtained by different GO reduction methods. In: LI, BOWEN (ed.); LI, JIAN (ed.); IKHMAYIES, SHADIA (ed.); ZHANG, MINGMING (ed.); KALAY, YUNUS E. (ed.); CARPENTER, JOHN S. (ed.); HWANG, JIANN-YANG (ed.); MONTEIRO, SERGIO N. (ed.); BAI, CHENGUANG (ed.); ESCOBEDO-DIAZ, JUAN P. (ed.); SPENA, PASQUALE R. (ed.); GOSWAMI, RAMASIS (ed.). Characterization of Minerals, Metals, and Materials. Cham, CZ, Switzerland: Springer Nature Switzerland AG, 2019. p. 773-785. (The Minerals, Metals & Materials Series). DOI: 10.1007/978-3-030-05749-7_78. Disponível em: http://repositorio.ipen.br/handle/123456789/29855. Acesso em: 29 Mar 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.

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