Distribution-related luminescence of Eu3+ sensitized by SnO2 nano-crystals embedding in oxide glassy matrix

被引：15

作者：

Yu, Yunlong ^{[1
]}

Chen, Daqin ^{[1
]}

Huang, Ping ^{[1
]}

Lin, Hang ^{[1
]}

Yang, Anping ^{[1
]}

Wang, Yuansheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2011年 / 184卷 / 02期

基金：

中国国家自然科学基金;

关键词：

SnO2; nano-crystals; Eu3+; Energy transfer; Glass ceramics; Melt quenching; SOL-GEL SYNTHESIS; ENERGY-TRANSFER; QUANTUM DOTS; PHOTOLUMINESCENCE PROPERTIES; ZNO NANOPARTICLES; CDS NANOCRYSTALS; SOLUTION-PHASE; TIN OXIDE; EMISSION; IONS;

D O I：

10.1016/j.jssc.2010.11.021

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Eu3+ doped transparent glass ceramics embedding SnO2 nano-crystals were prepared by melt quenching and subsequent heating. Site selective excitation experiments revealed that some Eu3+ ions were incorporated in the SnO2 lattices by substituting Sn4+ ions, whereas the rest located in the oxide glassy matrix. Interestingly, it is found that the Eu3+ ions residing in the SnO2 lattices exhibited much longer luminescent decay lifetime than those in the glassy matrix. Measurements on the photoluminescence excitation and photoluminescence spectra demonstrated the occurrence of energy transfer from the SnO2 nano-crystals to the Eu3+ ions. The influences of Eu3+ content, and furthermore, their location on the energy transfer process were discussed. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：236 / 240

页数：5

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