Synthesis and photoluminescence properties of self-assembled Eu-doped ZnO hollow microspheres

被引：7

作者：

Xu, Jin ^{[1
,2
]}

Wang, Nating ^{[1
]}

Wang, Weiqiang ^{[1
]}

机构：

[1] Xiamen Univ, Coll Mat, Dept Mat Sci & Engn, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Key Lab Fire Retardant Mat Fujian Prov, Xiamen 361005, Peoples R China

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2011年 / 208卷 / 12期

基金：

中国国家自然科学基金;

关键词：

photoluminescence; solvothermal; transmission electron microscopy; ZnO:Eu3+; EFFICIENT ENERGY-TRANSFER; ZINC-OXIDE; HYDROTHERMAL SYNTHESIS; OPTICAL-PROPERTIES; ROOM-TEMPERATURE; EU3+-DOPED ZNO; NANOCRYSTALS; SPHERES; NANOSTRUCTURES; ARCHITECTURES;

D O I：

10.1002/pssa.201127290

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnO hollow microspheres with a shell wall consisting of crystalline ZnO nanosheets were synthesized by using Zn5(CO3)2(OH)6 microspheres as spherical templates. Zn5(CO3)2(OH)6 microspheres were first fabricated by a solvothermal procedure in an ethylene glycol (EG)water solution. ZnO microspheres with a hexagonal structure were identified by means of X-ray diffraction (XRD) and selected-area electron diffraction (SAED). On the basis of the results, a possible self-assembly growth mechanism was proposed. It reveals that the EG played an important role in determining the hollow morphologies of Zn5(CO3)2(OH)6 structures. In addition, photoluminescence (PL) investigation of ZnO:Eu3+ suggested that a direct energy transfer occurred, which was ascribed to the energy transfer from ZnO host to Eu3+ ions.

引用

页码：2833 / 2838

页数：6

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