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dc.contributor.CRUESPUNIVERSIDADE DE ESTADUAL DE CAMPINASpt_BR
dc.typeArtigo de periódicopt_BR
dc.titleField Emission Properties Of The Graphenated Carbon Nanotube Electrodept_BR
dc.contributor.authorZanin H.pt_BR
dc.contributor.authorCeragioli H.J.pt_BR
dc.contributor.authorPeterlevitz A.C.pt_BR
dc.contributor.authorBaranauskas V.pt_BR
dc.contributor.authorMarciano F.R.pt_BR
dc.contributor.authorLobo A.O.pt_BR
unicamp.authorZanin, H., School of Chemistry, University of BristolBristol, United Kingdom, Faculdade de Engenharia Elétrica e Computação, Departamento de Semicondutores, Instrumentos e Fotônica, Universidade Estadual de Campinas, UNICAMP, Av. Albert Einstein N. 400Campinas, São Paulo, Brazilpt_BR
unicamp.authorCeragioli, H.J., Faculdade de Engenharia Elétrica e Computação, Departamento de Semicondutores, Instrumentos e Fotônica, Universidade Estadual de Campinas, UNICAMP, Av. Albert Einstein N. 400Campinas, São Paulo, Brazilpt_BR
unicamp.authorPeterlevitz, A.C., Faculdade de Engenharia Elétrica e Computação, Departamento de Semicondutores, Instrumentos e Fotônica, Universidade Estadual de Campinas, UNICAMP, Av. Albert Einstein N. 400Campinas, São Paulo, Brazilpt_BR
unicamp.authorBaranauskas, V., Faculdade de Engenharia Elétrica e Computação, Departamento de Semicondutores, Instrumentos e Fotônica, Universidade Estadual de Campinas, UNICAMP, Av. Albert Einstein N. 400Campinas, São Paulo, Brazilpt_BR
unicamp.author.externalMarciano, F.R., Laboratory of Biomedical Nanotechnology, Institute of Research and Development at UNIVAP, Av. Shishima Hifumi, 2911Sao Jose dos Campos, SP, Brazilpt
unicamp.author.externalLobo, A.O., Laboratory of Biomedical Nanotechnology, Institute of Research and Development at UNIVAP, Av. Shishima Hifumi, 2911Sao Jose dos Campos, SP, Brazilpt
dc.description.abstractReduced graphene oxide-coated carbon nanotubes (RGO-CNT) electrodes have been prepared by hot filament chemical vapour deposition system in one-step growth process. We studied RGO-CNT electrodes behaviour as cold cathode in field emission test. Our results show that RGO-CNT retain the low threshold voltage typical of CNTs, but with greatly improved emission current stability. The field emission enhancement value is significantly higher than that expected being caused by geometric effect (height divided by the radius of nanotube). This suggested that the field emission of this hybrid structure is not only from a single tip, but eventually it is from several tips with contribution of graphene nanosheets at CNT's walls. This phenomenon explains why the graphenated carbon nanotubes do not burn out as quickly as CNT does until emission ceases completely. These preliminaries results make nanocarbon materials good candidates for applications as electron sources for several devices.en
dc.relation.ispartofApplied Surface Sciencept_BR
dc.publisherElsevierpt_BR
dc.date.issued2015pt_BR
dc.identifier.citationApplied Surface Science. Elsevier, v. 324, n. , p. 174 - 178, 2015.pt_BR
dc.language.isoenpt_BR
dc.description.volume324pt_BR
dc.description.firstpage174pt_BR
dc.description.lastpage178pt_BR
dc.rightsfechadopt_BR
dc.sourceScopuspt_BR
dc.identifier.issn1694332pt_BR
dc.identifier.doi10.1016/j.apsusc.2014.10.102pt_BR
dc.identifier.urlhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84920673427&partnerID=40&md5=4f2cd6ec8312431d4d8d5c57b24d3cd0pt_BR
dc.date.available2015-06-25T12:50:59Z
dc.date.available2015-11-26T14:58:04Z-
dc.date.accessioned2015-06-25T12:50:59Z
dc.date.accessioned2015-11-26T14:58:04Z-
dc.description.provenanceMade available in DSpace on 2015-06-25T12:50:59Z (GMT). No. of bitstreams: 1 2-s2.0-84920673427.pdf: 1622662 bytes, checksum: 88afbd39ca652dab677bc31a6314791f (MD5) Previous issue date: 2015en
dc.description.provenanceMade available in DSpace on 2015-11-26T14:58:04Z (GMT). No. of bitstreams: 2 2-s2.0-84920673427.pdf: 1622662 bytes, checksum: 88afbd39ca652dab677bc31a6314791f (MD5) 2-s2.0-84920673427.pdf.txt: 27715 bytes, checksum: 4c7df0d0ebf5a4de071672bebe5c84cb (MD5) Previous issue date: 2015en
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/85191
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/85191-
dc.identifier.idScopus2-s2.0-84920673427pt_BR
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