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题名: Blue luminescence of nanocrystalline CaZr3 : Tm phosphors synthesized by a modified Pechini sol-gel method
作者: Zhang, Hongwu1;  Fu, Xiaoyan2;  Niu, Shuyun2;  Xin, Qin1
关键词: nanostructures ;  CaZrO3 : Tm ;  optical properties ;  luminescence
刊名: JOURNAL OF LUMINESCENCE
发表日期: 2008-08-01
DOI: 10.1016/j.jlumin.2008.01.007
卷: 128, 期:8, 页:1348-1352
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
英文摘要: This paper reports the photoluminescence (PL) properties of nanocrystalline CaZrO3:Tm phosphor synthesized by the polymerizable complex method based on the Pechini-type reaction. Nanosized phosphors with paving stone morphology were prepared at a relatively low temperature about 800 degrees C with the particle size being about 30 nm. The transmission electron microscope (TEM) images showed that further heat treatment at higher temperature could increase the particle size to 50 nm, but its morphology remained unchanged. The luminescence spectra indicated that the blue emission of CaZrO3:Tm could be produced by four kinds of excitation energies, i.e. the charge transfer (CTS) between Tm3+-O2-, band-band absorption of host, the absorption defects in the host and the H-3(6)-D-1(2) transition. The luminescent mechanism of CaZrO3:Tm was deduced tentatively based on the luminescence spectra. (c) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: ACRYLAMIDE POLYMERIZATION ;  CAMGSI2O6-EU2+ PHOSPHOR ;  ENERGY-TRANSFER ;  CAZRO3 ;  TM3+ ;  PHOTOLUMINESCENCE ;  SPECTROSCOPY ;  PRECURSORS ;  CRYSTALS
语种: 英语
WOS记录号: WOS:000257006100016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141094
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Inst Chem Phys, Direct Methonol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China

Recommended Citation:
Zhang, Hongwu,Fu, Xiaoyan,Niu, Shuyun,et al. Blue luminescence of nanocrystalline CaZr3 : Tm phosphors synthesized by a modified Pechini sol-gel method[J]. JOURNAL OF LUMINESCENCE,2008,128(8):1348-1352.
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