Vapor phase synthesis of upconverting Y2O3 nanocrystals doped with Yb3+, Er3+, Ho3+, and Tm3+ to generate red, green, blue, and white light

被引：105

作者：

Glaspell, Garry ^{[1
,2
]}

Anderson, John ^{[2
]}

Wilkins, James R. ^{[1
]}

Ei-Shall, M. Samy ^{[1
]}

机构：

[1] Virginia Commonwealth Univ, Dept Chem, Richmond, VA 23284 USA

[2] USA, Ctr Res Dev & Engn, Alexandria, VA 22315 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 30期

关键词：

D O I：

10.1021/jp801597u

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：

We report the vapor phase synthesis of upconverting Y2O3 nanocrystals doped with Yb3+, Er3+, Ho3+, and Tm3+ to generate red, green, blue, and white light. Incorporating Er3+ within the Yb3+ doped Y2O3 nanocrystals under 980 nm laser excitation produced orange and yellow upconversion luminescence tunable by varying the Yb3+ concentration. The Yb3+, Er3+, and Tm3+ codoped Y2O3 nanocrystals exhibited nearly equal intensities of the red, green, and blue emissions upon 980 nm laser excitation. White light can be produced by adjusting the concentrations of the Ln(3+) ions within the Y2O3 nanocrystals.

引用

页码：11527 / 11531

页数：5

共 22 条

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