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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: A Potential Red-Emitting Phosphor BaZrGe3O9:Eu3+ for WLED and FED Applications: Synthesis, Structure, and Luminescence Properties
作者: Zhang, Q; Wang, XC; Ding, X; Wang, YH(王育华)
收录类别: SCIE ; PUBMED
出版日期: 2017-06-19
刊名: INORGANIC CHEMISTRY
卷号: 56, 期号:12, 页码:6990-6998
出版者: AMER CHEMICAL SOC
出版地: WASHINGTON
英文摘要: A variety of Eu3+-activated BaZrGe(3)O(9)phosphors was synthesized via solid-state reaction. The phase formation of BaZrGe3O9:Eu3+ samples was verified by powder F, X-ray diffraction analysis, while Rietveld refinement methods was used to confirm the crystal structure. The electronic structure and characteristic photoluminescence as well as rx z cathodoluminescence properties were researched in detail. The samples show strong absorption at 394 nm, which matches well with the commercial near-ultraviolet chips. Under 394 nm excitation, the phosphors exhibit the characteristic emissions of Eu3+ ions consistent with the D-5(0)-F-7(J) transitions. Then we investigated the thermal stability detailedly.. The temperature-dependent photoluminescence emission spectra suggest that the obtained phosphors have favorable thermal stability. A white light-emitting diode (WLED) lamp with low correlated color temperature and good color render index was fabricated with blue-emitting BaMgAl10O7:Eu2+, green-emitting Sr2SiO4:Eu2+ (commercial), and red-emitting BaZrGe3O9:Eu3+ phosphors in near-ultraviolet light-emitting diodes (lambda(max) = 395 nni) as well. Furthermore, the phosphor-also exhibits red emission with high resistance and high current saturation under low voltage electron bombardment. It has better degradation resistance than the commercial Y2O3:Eu phosphor. All the results manifest that the Ba0.88Eu0.08ZrGe3O9 phosphor can be an eligible red-emitting phosphor candidate for WLEDs and field-emission displays.
作者部门: [Zhang, Qiang ; Wang, Xicheng ; Ding, Xin ; Wang, Yuhua] Lanzhou Univ, Key Laborary Special Funct Mat & Struct Design, Natl & Local Joint Engn Lab Opt Convers Mat & Tec, Minist Educ,Dept Mat Sci,Sch Phys Sci & Technol, Tianshui South Rd 222, Lanzhou 730000, Gansu, Peoples R China
通讯作者: Wang, YH (reprint author), Lanzhou Univ, Key Laborary Special Funct Mat & Struct Design, Natl & Local Joint Engn Lab Opt Convers Mat & Tec, Minist Educ,Dept Mat Sci,Sch Phys Sci & Technol, Tianshui South Rd 222, Lanzhou 730000, Gansu, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: Gansu Province Development and Reform Commission ; National Natural Science Funds of China [51372105]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC ; GS-OTHER
语种: 英语
DOI: 10.1021/acs.inorgchem.7b00591
ISSN号: 0020-1669
WOS记录号: WOS:000403973200028
PM记录号: 28586197
IR记录号: WOS:000403973200028
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/190293
Appears in Collections:物理科学与技术学院_期刊论文

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作者单位: 17PHYS

Recommended Citation:
Zhang, Q,Wang, XC,Ding, X,et al. A Potential Red-Emitting Phosphor BaZrGe3O9:Eu3+ for WLED and FED Applications: Synthesis, Structure, and Luminescence Properties[J]. INORGANIC CHEMISTRY,2017,56(12):6990-6998.
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