A large red-shift in the photoluminescence emission of Mg1-xSrxTiO3

被引：22
|
作者：
Nakata, Mayumi M. [1 ]
Mazzo, Tatiana M. [2 ]
Casali, Graziela P. [1 ]
La Porta, Felipe A. [1 ,3 ]
Longo, Elson [3 ]
机构：
[1] Univ Fed Sao Carlos, NCTMN, LIEC, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil
[2] Univ Fed Sao Paulo, BR-13565905 Sao Paulo, SP, Brazil
[3] Univ Estadual Paulista, NCTMN, LIEC, Inst Quim, BR-14800900 Araraquara, SP, Brazil
来源：
CHEMICAL PHYSICS LETTERS | 2015年 / 622卷
基金：
巴西圣保罗研究基金会;
关键词：
PHOTOCATALYTIC PROPERTIES; MGTIO3; SPECTROSCOPY; BEHAVIOR; TITANATE; PHASE;
D O I：
10.1016/j.cplett.2015.01.011
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this letter, we report a detailed study of the influence of the synthesis and the optical properties of Sr-doped MgTO3 powders synthesized via a polymeric precursor method. Our findings explain the shift in PL behavior from blue to near-infrared (NIR) emission, which is caused by different concentrations of deep and shallow defects in the samples and thus enables the design of differently colored materials. Additionally, the present results provide useful insights into designing a new series of NIR-emitting materials that have potential applications in emerging technologies ranging from optoelectronics to the biomedical field. (c) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：9 / 14
页数：6
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