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利用水热-后煅烧方法制备Sr5(PO4)3Cl∶Ce3+磷光体
Synthesis of Sr5 (PO4)3 Cl∶Ce3+ Phosphors by Hydrothermal and Post-annealing Method
- 发光学报 2013年34卷第2期 页码：123-132
- 作者机构：
合肥工业大学化学工程学院 可控化学与材料化工安徽省重点实验室, 安徽 合肥 230009
- 作者简介：
- 基金信息：国家自然科学基金(21101052)();安徽省自然科学基金(090414194)();中国博士后科学基金(20100480045)();中央高校基本科研业务费专项资金
DOI：10.3788/fgxb20133402.0123
中图分类号： O6143.3;O625.5纸质出版日期：2013-2-10，
收稿日期：2012-11-20，
修回日期：2012-12-8，
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谢东华, 陈祥迎, 陈崇. 利用水热-后煅烧方法制备Sr<sub>5</sub>(PO<sub>4</sub>)<sub>3</sub>Cl∶Ce<sup>3+</sup>磷光体[J]. 发光学报, 2013,34(2): 123-132
XIE Dong-hua, CHEN Xiang-ying, CHEN Chong. Synthesis of Sr<sub>5</sub> (PO<sub>4</sub>)<sub>3</sub> Cl∶Ce<sup>3+</sup> Phosphors by Hydrothermal and Post-annealing Method[J]. Chinese Journal of Luminescence, 2013,34(2): 123-132
谢东华, 陈祥迎, 陈崇. 利用水热-后煅烧方法制备Sr<sub>5</sub>(PO<sub>4</sub>)<sub>3</sub>Cl∶Ce<sup>3+</sup>磷光体[J]. 发光学报, 2013,34(2): 123-132 DOI： 10.3788/fgxb20133402.0123.
XIE Dong-hua, CHEN Xiang-ying, CHEN Chong. Synthesis of Sr<sub>5</sub> (PO<sub>4</sub>)<sub>3</sub> Cl∶Ce<sup>3+</sup> Phosphors by Hydrothermal and Post-annealing Method[J]. Chinese Journal of Luminescence, 2013,34(2): 123-132 DOI： 10.3788/fgxb20133402.0123.
摘要
利用一种简单有效的水热-后煅烧方法合成了Sr
5
(PO
4
)
3
Cl∶Ce
3+
磷光体。实验结果表明
通过调节水热条件的溶剂类型和组成可以得到球形/橄榄球形Sr
5
(PO
4
)
3
Cl∶Ce
3+
磷光体。橄榄球形Sr
5
(PO
4
)
3
Cl∶Ce
3+
磷光体的内在生长方向为[001]
空间群为
P
6
3
/
m
。更为重要的是
可以利用后煅烧方法来研究Sr
5
(PO
4
)
3
Cl∶Ce
3+
磷光体的光学性能
发光强度的主要影响因素包括Ce
3+
含量、煅烧温度、H
2
O-三乙醇胺体系中的体积比。Sr
5
(PO
4
)
3
Cl∶Ce
3+
磷光体的发光谱以及CIE色温图表明
该产物具有蓝光发射的特性。
Abstract
A simple and efficacious hydrothermal and post-annealing method has been developed to prepare Sr
5
(PO
4
)
3
Cl∶Ce
3+
phosphors. The experimental results reveal that modulating the solvent species as well as the solvent composition (
i.e.
solvent effect) can give rise to Sr
5
(PO
4
)
3
Cl∶Ce
3+
phosphors with granular/rugby-like shapes and various sizes under hydrothermal conditions. The driving force for rugby-like Sr
5
(PO
4
)
3
Cl∶Ce
3+
phosphor growing along [001] direction originates from its intrinsic symmetry of
P
6
3
/
m
. More importantly
post-annealing method was further carried out to investigate the luminescent properties of Sr
5
(PO
4
)
3
Cl∶Ce
3+
phosphors. Ce
3+
doping content
calcination temperature
volume ratio in H
2
O-triethyleneamine and two different synthetic methods play important roles in determining the emission intensity. The PL
PLE spectra and CIE chromaticity coordinates illustrate the excellent blue emission feature of Sr
5
(PO
4
)
3
Cl∶Ce
3+
phosphors.
关键词
Sr5(PO4)3Cl∶Ce3+磷光体水热合成溶剂效应
Keywords
Sr5(PO4)3Cl∶Ce3+phosphorshydrothermalsolvent effect
references
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