Preparation and photoluminescence of ZnS:Mn2+/polystyrene core-shell structures and ZnS:Mn2+ hollow spheres

被引：0
|
作者：
Zhang, LX
Zhang, R
Wang, L
Zhou, CM
Jin, P
Chen, QW [1 ]
机构：
[1] Univ Sci & Technol China, Chinese Acad Sci, Dept Chem, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Chinese Acad Sci, Struct Res Lab, Hefei 230026, Peoples R China
来源：
CHINESE JOURNAL OF CHEMICAL PHYSICS | 2005年 / 18卷 / 04期
关键词：
ZnS : Mn2+; core-shell; hollow sphere;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
ZnS: Mn2+ polystyrene (PS) core-shell structures and ZnS: Mn2+ hollow spheres were prepared by a sonochernical deposition approach. Transmission electron micrograph (TEM) studies show that the PS surface is covered by a thin shell consisted of ZnS: Mn2+ nanoparticles with an average size of 9 nm. ZnS: Mn2+ hollow spheres were obtained by heating the core-shell particles in air at 500 degrees C to drive off PS. The photoluminescence spectrum for the emission band of Mn2+ peaked at 540 nm, and a 45 nm blue shift compared to that of corresponding bulk sample, was discussed based on the Mn-O octahedral distortion induced by shell structure.
引用
收藏
页码：609 / 613
页数：5
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