Synthesis and Photoluminescence Properties of Uniform Y2O3:Eu3+ Hollow Spheres with Tunable Shell Thickness

Chemical Research in Chinese Universities ›› 2011, Vol. 27 ›› Issue (6): 919-923.

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Synthesis and Photoluminescence Properties of Uniform Y2O3:Eu3+ Hollow Spheres with Tunable Shell Thickness

XIAO Ying, GAO Zhi-yong, WU Da-peng, JIANG Yi, LIU Ning and JIANG Kai*

College of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453007, P. R. China

Received:2010-11-19 Revised:2011-05-12 Online:2011-11-25 Published:2011-11-07
Contact: JIANG Kai E-mail:jiangkai6898@126.com
Supported by:
Supported by the Basic and Frontier Research Programs of Henan Province, China(Nos.092300410240, 112600410094) and the Natural Science Foundation of Education Department of Henan Province, China(Nos.2010 B150012, 2011A150017).

Abstract

Abstract: Y2O3:Eu3+ hollow spheres were successfully prepared with melamine formaldehyde(MF) spheres as template. The MF spheres played a significant role in directing the formation of the hollow shells which are composed of numerous primary nanoparticles. Furthermore, the shell thickness of these hollow spheres could be readily tailored by adjusting the dosage of MF template. Based on the photoluminescence(PL) investigation, the red emission intensities(613 nm) of these Y2O3:Eu3+ hollow spheres are greatly influenced by their shell thickness and it was found that hollow spheres with thin shell thickness and intact hollow structures permit a better PL performance.

Key words: Y2O3:Eu3+, Hollow structure, Templating, Photoluminescence

XIAO Ying, GAO Zhi-yong, WU Da-peng, JIANG Yi, LIU Ning and JIANG Kai*. Synthesis and Photoluminescence Properties of Uniform Y2O3:Eu3+ Hollow Spheres with Tunable Shell Thickness[J]. Chemical Research in Chinese Universities, 2011, 27(6): 919-923.

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Synthesis and Photoluminescence Properties of Uniform Y2O3:Eu3+ Hollow Spheres with Tunable Shell Thickness

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