An improved method for preparation of SrTiO3 nanoparticles

被引：65

作者：

da Silva, L. F. ^{[1
]}

Maia, L. J. Q. ^{[2
]}

Bernardi, M. I. B. ^{[1
]}

Andres, J. A. ^{[3
]}

Mastelaro, V. R. ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Fis Sao Carlos, Sao Carlos, SP, Brazil

[2] Univ Fed Goias, Inst Fis, Goiania, Go, Brazil

[3] Univ Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12071, Spain

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 125卷 / 1-2期

基金：

巴西圣保罗研究基金会;

关键词：

Chemical synthesis; Calcination; Nanostructure; Photoluminescence spectroscopy; HYDROTHERMAL SYNTHESIS; STRONTIUM-TITANATE; THIN-FILMS; MICROWAVE; BARIUM; PHOTOLUMINESCENCE; MICROSTRUCTURE; DECOMPOSITION; LUMINESCENCE; TEMPERATURE;

D O I：

10.1016/j.matchemphys.2010.09.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

SrTiO3 nanoparticles were synthesized for the first time via a modified polymeric precursor method. The samples were characterized by thermogravimetry, X-ray diffraction (XRD), BET surface area, micro-Raman spectroscopy, field emission scanning and transmission electron microscopy (FE-SEM and FE-STEM), high-resolution transmission electron microscopy (HRTEM) and photoluminescence measurements. It is found that calcination atmosphere (air, nitrogen and oxygen) plays an important role of both crystal size and photolumiscence behavior of the SrTiO3 nanocrystallites. Results show that the powders obtained in nitrogen/oxygen atmosphere possess controllable particles size of approximately 11 nm presenting the highest photoluminescence emission. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：168 / 173

页数：6

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