Photoluminescence properties and energy transfer in a novel Sr8ZnY(PO4)7:Tb3+,Eu3+ phosphor with high thermal stability and its great potential for application in warm white light emitting diodes

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成果类型：

期刊论文

作者：

Xia, Mao;Wu, Xianbo;Zhong, Yuan;Hintzen, H. T. (Bert);Zhou, Zhi*;...

通讯作者：

Zhou, Zhi;Wang, Jing

作者机构：

[Xia, Mao; Zhong, Yuan; Wu, Xianbo; Zhou, Zhi] Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.

[Xia, Mao; Zhong, Yuan; Wu, Xianbo; Zhou, Zhi; Wang, Jing] Hunan Agr Univ, Hunan Opt Agr Engn Technol Res Ctr, Changsha, Hunan, Peoples R China.

[Xia, Mao] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.

[Hintzen, H. T. (Bert)] Delft Univ Technol, Fac Sci Appl, Sect Fundamental Aspects Mat & Energy, Grp Luminescent Mat, Delft, Netherlands.

[Wang, Jing] Sun Yat Sen Univ, Sch Chem, Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.

通讯机构：

[Zhou, Zhi; Zhou, Z; Wang, J] H

[Wang, Jing] S

Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.

Hunan Agr Univ, Hunan Opt Agr Engn Technol Res Ctr, Changsha, Hunan, Peoples R China.

Sun Yat Sen Univ, Sch Chem, Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China.

语种：

英文

关键词：

Crystal structure;Energy transfer;High temperature applications;Light emission;Light emitting diodes;Phosphors;Solid state reactions;Strontium compounds;Thermodynamic stability;X ray powder diffraction;Correlated color temperature;Dipole dipole interactions;Energy transfer mechanisms;High temperature solid-state reaction;Internal quantum efficiency;Photoluminescence properties;Temperature-dependent spectra;White light emitting diodes;Zinc compounds

期刊：

Journal of Materials Chemistry C

ISSN：

2050-7526

年：

2019

卷：

期：

页码：

2927-2935

DOI：

10.1039/c8tc06235h

基金类别：

The authors would like to gratefully acknowledge research grants from the National Natural Science Foundation of China (Grant No. 21706060 and 51703061), the Natural Sciences Foundation of Hunan Province, China (Grant No. 2017JJ3103), and the Scientific Research Foundation of Hunan Provincial Education Department (Grant No. 17B118). This paper was also supported by the Platform Program of Hunan Provincial Department of Science (Grant No. 2018TP2003).

机构署名：

本校为第一且通讯机构

院系归属：

理学院

摘要：

Terbium and europium co-doped Sr8ZnY(PO4)7 phosphors are successfully prepared through a high temperature solid-state reaction (SSR). The crystal structure of the as-prepared samples was identified to be Sr8ZnY(PO4)7 (SZYP) pure phase by an X-ray powder diffraction technique. Under near-ultraviolet light excitation (378 nm), the SZYP:Tb3+ and SZYP:Eu3+ phosphors show green and red emission peaking at 545 and 618 nm, respectively. Moreover, an effective energy transfer process from Tb3+ to Eu3+ could be verified by the concentration dependence o...

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Photoluminescence properties and energy transfer in a novel Sr8ZnY(PO4)7:Tb3+,Eu3+ phosphor with high thermal stability and its great potential for application in warm white light emitting diodes

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