Thermo-optical response of colloidal metallic and semiconducting single-walled carbon nanotubes

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dc.creatorNazareno Nelito da Silva Leal
dc.creatorAntônio Carlos Brandão Silva
dc.creatorCristiano Fantini Leite
dc.creatorJandir Miguel Hickmann
dc.creatorEduardo Jorge da Silva Fonseca
dc.creatorMárcio André Rodrigues Cavalcanti de Alencar
dc.date.accessioned2023-08-08T17:49:53Z
dc.date.accessioned2025-09-09T00:21:26Z
dc.date.available2023-08-08T17:49:53Z
dc.date.issued2019
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipINCT – Instituto nacional de ciência e tecnologia (Antigo Instituto do Milênio)
dc.description.sponsorshipFACEPE - Fundação de Apoio à Cultura, Ensino, Pesquisa e Extensão de Alfenas
dc.identifier.doihttps://doi.org/10.1016/j.optlastec.2019.03.027
dc.identifier.issn0030-3992
dc.identifier.urihttps://hdl.handle.net/1843/57614
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofOptics & Laser Technology
dc.rightsAcesso Restrito
dc.subjectNanotubos de carbono
dc.subject.otherCarbon nanotubes
dc.subject.otherThermal-lens
dc.subject.otherThermo-optical coefficient
dc.subject.otherNonlocal nonlinearity
dc.titleThermo-optical response of colloidal metallic and semiconducting single-walled carbon nanotubes
dc.typeArtigo de periódico
local.citation.epage321
local.citation.spage315
local.citation.volume116
local.description.resumoThe thermo-optical responses of aqueous solutions of semiconducting and metallic carbon nanotubes were investigated using thermal-lens technique. The colloids thermal diffusivity, thermal lens strength and thermo-optical coefficient were measured. The results suggest that the presence of carbon nanotubes at low concentration does not change significantly the thermal diffusivity and conductivity of the colloidal system in comparison with pure water. However, the thermal lens strength presented a huge enhancement due to the presence of carbon nanotubes. It was also observed that the colloid containing semiconducting carbon nanotubes presents a larger thermo-optical coefficient than the system containing metallic tubes. The thermal contribution to the nonlinear refraction of the colloidal systems was characterized by Z-scan technique and their parameters of nonlocality were also evaluated.
local.identifier.orcidhttps://orcid.org/0000-0002-9391-0657
local.identifier.orcidhttps://orcid.org/0000-0003-1978-9761
local.identifier.orcidhttps://orcid.org/0000-0003-0436-7857
local.identifier.orcidhttps://orcid.org/0000-0003-0310-4190
local.identifier.orcidhttps://orcid.org/0000-0003-1436-9901
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0030399218318346

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