Induced synthesis of ZnO:Tb~(3+) green hybrid phosphors by the assembly of polyethylene glycol matrices

Xi Chen; Bing Yan

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Induced synthesis of ZnO:Tb~(3+) green hybrid phosphors by the assembly of polyethylene glycol matrices

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摘要

The Tb~(3+), Li~+ ion co-doped ZnO/PEG particles were prepared by a co-precipitation approach derived from Zn(CH_3COO)_2, NaOH, CH_3COOLi and PEG in ethanol solution at room temperature. The characteristic green luminescence spectra which corresponded to f-f transitions of Tb~(3+) were observed. The microstructure and luminescent properties were investigated by XRD, SEM and luminescent spectra. The strong emissions at 484 and 545 nm were noticed from the Tb~(3+) doped ZnO/PEG composites. With regard to the comparison between the emission spectra of pure and PEG directed ZnO:Tb hybrids, it is worthy of pointing out that the PEG matrix largely improves the emission intensity of Tb3+.

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来源
《Materials Letters》 |2007年第9期|1707-1710|共4页
作者
Xi Chen; Bing Yan;
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作者单位

Department of Chemistry, Tongji University, Shanghai 200092, PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Zinc oxide; Inorganic/polymeric composite; Terbium;

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Induced synthesis of ZnO:Tb~(3+) green hybrid phosphors by the assembly of polyethylene glycol matrices

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