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[1]樊烨明,崔玉格,黄　珂,等.Zn0.97Ga2O3.97：Cr3+，Bi3+荧光粉的制备及发光性能[J].武汉工程大学学报,2020,42(05):526-529，551.[doi:10.19843/j.cnki.CN42-1779/TQ.201911010]
　FAN Yeming,CUI Yuge,HUANG Ke,et al.Preparation and Luminescence Properties of Zn0.97Ga2O3.97：Cr3+，Bi3+ Phosphors[J].Journal of Wuhan Institute of Technology,2020,42(05):526-529，551.[doi:10.19843/j.cnki.CN42-1779/TQ.201911010]
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Zn0.97Ga2O3.97：Cr3+，Bi3+荧光粉的制备及发光性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年05期
页码:
526-529，551
栏目:
材料科学与工程
出版日期:
2021-01-29

文章信息/Info

Title:
Preparation and Luminescence Properties of Zn0.97Ga2O3.97：Cr3+，Bi3+ Phosphors
文章编号:
1674 - 2869（2020）05 - 0526 - 04
作者:
樊烨明; 崔玉格; 黄　珂; 陈　洋; 黎　华; 徐　慢; 戴武斌*
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
FAN Yeming; CUI Yuge; HUANG Ke; CHEN Yang; LI Hua; XU Man; DAI Wubin*
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205， China
关键词:
无机荧光粉; 发光性能; Zn0.97Ga2O3.97：Cr3+; Bi3+; 双相水热法
Keywords:
inorganic phosphor; luminescent property; Zn0.97Ga2O3.97：Cr3+; Bi3+; biphasic hydrothermal method
分类号:
O482.31
DOI:
10.19843/j.cnki.CN42-1779/TQ.201911010
文献标志码:
A
摘要:
以Cr3+和Bi3+为掺杂剂，按照镓酸锌Zn0.97Ga2O3.97（ZGO）化学计量比，采用双相水热法制备了ZGO：Cr3+，Bi3+红色无机荧光粉，并通过透射电子显微镜、分光光度法和荧光光谱法分析了荧光粉样品的微观形态、晶体结构和发光性能。实验结果表明：Cr3+和Bi3+的最佳摩尔掺杂率分别是1%和2%，荧光粉最佳掺杂浓度化学式为ZGO：0.01Cr3+，0.02Bi3+，所得荧光粉颗粒为组分均匀的类球形颗粒，平均粒径为8 nm。在近紫外光的激发下，相对于单掺杂荧光粉ZGO：0.01Cr3+，双掺杂荧光粉ZGO：0.01Cr3+，0.02Bi3+在漫反射光谱中<350、350~470和470~650 nm的吸收带强度明显增强。此外，在激发和发射光谱中，ZGO：0.01Cr3+，0.02Bi3+的发射强度为ZGO：0.01Cr3+的2.5倍，表明该荧光粉的发光性能得到显著提升。
Abstract:
Red phosphors with Zn0.97Ga2O3.97（ZGO）：Cr3+，Bi3+ were prepared by biphasic hydrothermal method with Cr3+ and Bi3+ as dopants according to the stoichiometric ratio of ZGO. The micromorphology， crystal structure and luminescence properties of the phosphor samples were characterized by transmission electron microscopy，spectrophotometry and fluorescence spectrometry. The results show that the optimal molar doping rates of Cr3+ and Bi3+ is fixed at 1% and 2% respectively and the optimum doping concentration chemical formula of the phosphor is ZGO：0.01Cr3+，0.02Bi3+. The obtained phosphor particles are spherical particles with uniform composition，and the average size is 8 nm. Compared to the single-doped phosphor ZGO：0.01Cr3+，the absorption bands intensity of the double-doped phosphor ZGO：0.01Cr3+，0.02Bi3+ at <350，350-470，and 470-650 nm in the diffuse reflection spectrum is significantly enhanced under the excitation of near-ultraviolet light. Moreover，the emission intensity of ZGO：0.01Cr3+，0.02Bi3+ is 2.5 times higher than that of ZGO：0.01Cr3+ in both the photoluminescence excitation and emission spectra，showing that the luminous performance of the phosphors is significantly improved.

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备注/Memo

备注/Memo:
收稿日期：2019-11-13基金项目：武汉工程大学博士启动基金（16QD28）；湖北省自然科学基金青年项目（18S020）；湖北省教育厅科学技术研究计划项目（18S069）作者简介：樊烨明，硕士研究生。E-mail：[email protected]*通讯作者：戴武斌，博士，特聘教授，硕士研究生导师。E-mail：[email protected]引文格式：樊烨明，崔玉格，黄珂，等. Zn0.97Ga2O3.97：Cr3+，Bi3+荧光粉的制备及发光性能［J］. 武汉工程大学学报，2020，42（5）：526-529，551.
更新日期/Last Update: 2020-10-30