Author(s): 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 [UNESP]
Date: 2015
Persistent ID: http://hdl.handle.net/11449/130741
Origin: Oasisbr
Subject(s): Indium hydroxide; Europium; Microwave-Assisted Hydrothermal; Nanostructures
Made available in DSpace on 2015-02-02T12:39:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-08-01Bitstream added on 2015-02-02T13:08:34Z : No. of bitstreams: 1 S1516-14392014000400017.pdf: 1837460 bytes, checksum: 294d6386e391a9a14e2a1344fdbfc7ed (MD5)
Item merged in doublecheck by Felipe Arakaki (fe.arakaki@gmail.com) on 2015-11-20T18:06:50Z Item was identical to item(s): 109115, 113443 at handle(s): http://hdl.handle.net/11449/110032, http://hdl.handle.net/11449/114335
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)
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.
Universidade Federal do Rio Grande do Norte Centro de Tecnologia Departamento de Engenharia de Materiais
Universidade Federal de São Paulo
Universidade de São Paulo Instituto de Física de São Carlos
Universidade Estadual Paulista Instituto de Química Laboratório Interdisciplinar de Eletroquímica e Cerâmica
Universidade Estadual Paulista Instituto de Química Laboratório Interdisciplinar de Eletroquímica e Cerâmica
