Autor |
Motta, Fabiana Villela da
![]() Marques, Ana Paula de Azevedo ![]() ![]() Araújo, Vinícius Dantas de ![]() Tavares, Mara Tatiane de Souza ![]() Delmonte, Mauricio Roberto Bomio ![]() Paskocimas, Carlos Alberto ![]() Li, Máximo Siu ![]() Nascimento, Rubens Maribondo do ![]() Longo, Elson ![]() |
Instituição | Universidade Federal do Rio Grande do Norte Centro de Tecnologia Departamento de Engenharia de Materiais Universidade Federal de São Paulo (UNIFESP) Universidade de São Paulo (USP) Universidade Estadual Paulista (UNESP) |
Resumo | Crystalline europium-doped indium hydroxide (In(OH)3:Eu) nanostructures were prepared by rapid and efficient Microwave-Assisted Hydrothermal (MAH) method. Nanostructures were obtained at low temperature. FE-SEM images confirm that these samples are composed of 3D nanostructures. XRD, optical diffuse reflectance and photoluminescence (PL) measurements were used to characterize the products. Emission spectra of europium-doped indium hydroxide (IH:xEu) samples under excitation (350.7 nm) presented broad band emission regarding the indium hydroxide (IH) matrix and 5D0 → 7F0, 5D0 → 7F1, 5D0 → 7F2, 5D0 → 7F3 and 5D0 → 7F4 europium transitions at 582, 596, 618, 653 and 701 nm, respectively. Relative intensities of Eu3+ emissions increased as the concentration of this ion increased from 0, 1, 2, 4 and 8 mol %, of Eu3+, but the luminescence is drastically quenched for the IH matrix. |
Assunto |
indium hydroxide
europium Microwave-Assisted Hydrothermal nanostructures |
Idioma | Inglês |
Financiador |
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) |
Número do financiamento |
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Data | 2014-08-01 |
Publicado em | Materials Research. ABM, ABC, ABPol, v. 17, n. 4, p. 933-939, 2014. |
ISSN | 1516-1439 (Sherpa/Romeo, fator de impacto) |
Editor | ABM, ABC, ABPol |
Extensão | 933-939 |
Fonte |
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Direito de acesso | Acesso aberto ![]() |
Tipo | Artigo |
Web of Science | WOS:000342348700017 |
SciELO | S1516-14392014000400017 (estatísticas na SciELO) |
URI | http://repositorio.unifesp.br/handle/11600/8522 |
Nome:
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