Lanthanide luminescence sensitization via SnO2 nanoparticle host energy transfer

被引：12

作者：

Faustino, Bruno M. Morais ^{[1
,2
]}

Foot, Peter J. S. ^{[1
,2
]}

Kresinski, Roman A. ^{[1
,2
]}

机构：

[1] Kingston Univ London, Nanomat & Composites Res Grp, Penrhyn Rd, Kingston Upon Thames KT1 2EE, Surrey, England

[2] Kingston Univ London, Sch LSPC, Penrhyn Rd, Kingston Upon Thames KT1 2EE, Surrey, England

来源：

JOURNAL OF LUMINESCENCE | 2019年 / 206卷

关键词：

Tin (IV) oxide nanocrystals; Lanthanide; Photoluminescence; Energy transfer mechanism; Ionic radii; ANATASE TIO2 NANOCRYSTALS; SOL-GEL; OPTICAL-PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; ENHANCED PHOTOLUMINESCENCE; THIN-FILMS; EU3+; DEFECTS; TB3+; FLUORESCENCE;

D O I：

10.1016/j.jlumin.2018.10.067

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using a sol-gel synthesis method, nanoparticles of SnO2 doped by a range of lanthanide ions (Ln(3+)) were produced. The UV-visible photoluminescence (PL) emission and excitation spectra were analyzed. Upon excitation of the host oxide at energies above its fundamental bandgap, efficient sensitization of PL emission of all the lanthanide ions was observed. The effects of the Ln(3+) concentrations and ionic radii on the spectra were discussed and interpreted in terms of likely mechanisms of host-guest energy transfer.

引用

页码：205 / 210

页数：6

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