水热和高温烧结对BiPO<sub>4</sub>: Tb<sup>3+</sup>纳米晶发光性能的影响*

doi:10.11901/1005.3093.2015.415

材料研究学报

2016, Vol. 30

Issue (2): 156-160 DOI: 10.11901/1005.3093.2015.415

本期目录 | 过刊浏览

水热和高温烧结对BiPO₄: Tb³⁺纳米晶发光性能的影响*

杨流赛(

), 谢爱理, 杨勤桃, 彭思艳

上饶师范学院化学化工学院上饶 334001

Influenced of Hydrothermal- and High temperature-Treatment on Luminescence Properties of BiPO₄: Tb³⁺ Nanocrystals

YANG Liusai^**(

), XIE Aili, YANG Qintao, PENG Siyan

(School of Chemistry and Chemical Engineering, Shangrao Normal University, Shangrao 334001, China)

引用本文:

杨流赛, 谢爱理, 杨勤桃, 彭思艳. 水热和高温烧结对BiPO₄: Tb³⁺纳米晶发光性能的影响*[J]. 材料研究学报, 2016, 30(2): 156-160.
Liusai YANG, Aili XIE, Qintao YANG, Siyan PENG. Influenced of Hydrothermal- and High temperature-Treatment on Luminescence Properties of BiPO₄: Tb³⁺ Nanocrystals[J]. Chinese Journal of Materials Research, 2016, 30(2): 156-160.

全文: PDF(2849 KB) HTML

摘要:

通过室温共沉淀制备了BiPO₄和BiPO₄: Tb³⁺纳米晶, 研究了水热和高温烧结处理对室温合成BiPO₄: Tb³⁺纳米晶的相结构,形貌以及发光性能的影响.X-射线衍射(XRD)分析显示所有样品均为低温单斜相结构的BiPO₄, 并通过透射电镜(TEM)和红外光谱(FT-IR)进一步观察了纳米晶的形貌变化以及纳米晶表面微结构.荧光测试结果表明, 在370 nm激发下, 光谱显示出Tb³⁺离子的特征跃迁, 且以⁵D₄→⁷F₅跃迁发射(544 nm)为主峰.通过进一步优化纳米晶的结晶度,表面吸附水和乙醇等因素对发光性能的影响, 获得了最佳的发光性能.

关键词 ：无机非金属材料, BiPO4: Tb3+, 水热, 高温烧结, 纳米晶, 荧光性能

Abstract：

Nanocrystals of BiPO₄ and BiPO₄: Tb³⁺were prepared by a room-temperature co-precipitation method, and then followed by post hydrothermal- and high temperature-treatment. X-ray diffraction (XRD) analyses indicated that all the prepared samples are crystalline as a pure low-temperature monoclinic phase of BiPO₄. The spectra of BiPO₄: Tb³⁺ powders showed the characteristics of Tb³⁺ emission at 544 nm corresponding to the transition of ⁵D₄→⁷F₅ under irradiation of 370 nm light. Finally, the processing parameters were further optimized to acquire the BiPO₄: Tb³⁺to possess proper crystallinity, surface hydration layers and ethanol species, and thereby to get optimal luminescence performance for the BiPO₄: Tb³⁺powders.

Key words： inorganic non-metallic materials BiPO4: Tb3+ hydrothermal annealing treatment nanocrystals luminescence properties

收稿日期: 2015-07-21

ZTFLH:

TB34

基金资助:* 上饶师范学院校级课题2013QN02和大学生创新教育项目098006资助项目

作者简介: 通讯作者：杨流赛

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https://www.cjmr.org/CN/10.11901/1005.3093.2015.415 或 https://www.cjmr.org/CN/Y2016/V30/I2/156

图1 BiPO4和BiPO4: Tb3+纳米晶的XRD谱图, 底部竖线为标准PDF卡片低温单斜相BiPO4(JCPDS, No. 15-0767)的衍射峰

表1 BiPO4和 BiPO4: Tb3+纳米晶的晶粒尺寸,形貌和发光相对强度

图2 BiPO4和 BiPO4: Tb3+纳米晶的TEM图以及粒径分布图

图3 BiPO4和BiPO4: Tb3+纳米晶的红外谱图

图4 BiPO4和 BiPO4: Tb3+纳米晶的激发谱图(λem=544 nm)和发射谱图(λex=370 nm)

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