Influence of titanium precursor on photoluminescent emission of micro-cube-shaped CaTiO3

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Data

2015-09-01

Autores

Mazzo, Tatiana Martelli
Nascimento Libanori, Gabriela Santilli do
Moreira, Mario Lucio
Avansi, Waldir
Mastelaro, Valmor Roberto
Varela, Jose Arana [UNESP]
Longo, Elson [UNESP]

Título da Revista

ISSN da Revista

Título de Volume

Editor

Elsevier B.V.

Resumo

For this research, we studied the influence of titanium tetrachloride (TC) and titanium tetraisopropoxide (TTP) precursors on CaTiO3 (CTO) synthesis by employing a microwave-assisted hydrothermal (MAH) method regarding their respective short-, medium- and long-range features to determine if the use of different titanium precursors enhances the structural evolution of the material. The growth mechanism for the formation of the micro-cube-shaped CTO is proposed to obtain nanoparticle aggregation of self-assembly nanoplates. The disorder coupled to the oxygen vacancies of [TiO5]-[TiO6] in complex clusters in the CTO 1 powder and twists in bonding between the [TiO6]-[TiO6] complex clusters in the CTO 2 powder were mainly responsible for photoluminescent (PL) emission. (C) 2015 Elsevier B.V. All rights reserved.

Descrição

Palavras-chave

Photoluminescencence, CaTiO3, Microwave-assisted hydrothermal

Como citar

Journal Of Luminescence. Amsterdam: Elsevier Science Bv, v. 165, p. 130-137, 2015.