Thin Film of ZnAl2O4: Eu3+ Synthesized by a non-Alkoxide Precursor Sol-Gel Method

被引：21

作者：

Martins, Renata F. ^{[1
]}

Serra, Osvaldo A. ^{[1
]}

机构：

[1] Univ Sao Paulo, FFCLRP, Dept Quim, Lab Terras Raras, BR-14040901 Ribeirao Preto, SP, Brazil

来源：

JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2010年 / 21卷 / 07期

基金：

巴西圣保罗研究基金会;

关键词：

zinc aluminate; europium; non-alkoxide; sol-gel process; UV-Vis transparent and luminescent films; OPTICAL-PROPERTIES; ZINC ALUMINATE; PHOSPHORS; NANOCRYSTALLINE; SPINEL; RED;

D O I：

10.1590/S0103-50532010000700028

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Europium-doped zinc aluminate (ZnAl2O4: Eu3+) films were prepared by the dip-coating technique using a non-alkoxide precursor sol-gel method in ethanolic medium. Photoluminescence spectra displayed the main excitation bands at 270 and 393 nm. The emission spectra of the film heated at 500 degrees C displayed bands at 578, 590, 612, 650 and 698 nm, assigned to the D-5(0) -> F-7(J) (J = 0, 1, 2, 3, 4) transitions. The films are transparent above 320 nm.

引用

页码：1395 / 1398

页数：4

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