Luminescent enhancement in europium-doped yttria nanotubes coated with yttria

被引：53

作者：

Bai, X

Song, HW ^{[1
]}

Pan, GH

Liu, ZX

Lu, SZ

Di, WH

Ren, XG

Lei, YQ

Dai, QL

Fan, LB

机构：

[1] Chinese Acad Sci, Key Lab Excited State Phys, Changchun Inst Opt, Changchun 130033, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Changchun 130033, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 14期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2187518

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Europium-doped yttria nanotubes were coated with yttria by a simple two-step hydrothermal method, forming the Y2O3:Eu3+/Y2O3 core-shell composite. Remarkable improvement of photoluminescence was observed in the core-shell composite under both violet and ultraviolet excitations. These characteristics were attributed to the reduced influence of surface defects on host excitation, charge transfer transitions, and f-f inner-shell transitions of the Eu3+ ions. Due to striking red luminescence under ultraviolet excitation, the core-shell structure has potential application in plasma display panel devices.

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页数：3

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