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https://repositorio.ufrn.br/handle/123456789/32084| Título: | Optical characterization of europium-doped indium hydroxide nanocubes obtained by Microwave-Assisted Hydrothermal method |
| Autor(es): | Motta, Fabiana Villela da Marques, Ana Paula de Azevedo Araújo, Vinícius Dantas de Tavares, Mara Tatiane de Souza Delmonte, Maurício Roberto Bomio Paskocimas, Carlos Alberto Li, Máximo Siu Nascimento, Rubens Maribondo do Silva, Elson Longo da |
| Palavras-chave: | Indium hydroxide;Europium;Microwave-Assisted Hydrothermal;Nanostructures |
| Data do documento: | 2014 |
| Editor: | UFSCar |
| Referência: | MOTTA, Fabiana Villela da; MARQUES, Ana Paula de Azevedo; ARAðJO, Vinícius Dantas de; TAVARES, Mara Tatiane de Souza; DELMONTE, Mauricio Roberto Bomio; PASKOCIMAS, Carlos Alberto; LI, Máximo Siu; NASCIMENTO, Rubens Maribondo do; LONGO, Elson. Optical characterization of europium-doped indium hydroxide nanocubes obtained by Microwave-Assisted Hydrothermal method. Materials Research, [S.L.], v. 17, n. 4, p. 933-939, 13 jun. 2014. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392014000400017&lng=en&tlng=en. Acesso em: 11 fev. 2021. http://dx.doi.org/10.1590/s1516-14392014005000084 |
| 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 |
| URI: | https://repositorio.ufrn.br/handle/123456789/32084 |
| ISSN: | 1516-1439 |
| Aparece nas coleções: | CT - DEMAT - Artigos publicados em periódicos |
Arquivos associados a este item:
| Arquivo | Descrição | Tamanho | Formato | |
|---|---|---|---|---|
| OpticalCharacterizationEuropium_PASKOCIMAS_2014.pdf | 1,79 MB | Adobe PDF |  Visualizar/Abrir |
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