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Structural and luminescent properties of solid-solution phosphor BaxSr1-xAl2O4: Eu2+
被引:4
作者:

Fang, Hongwei
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机构:
Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

Wei, Xiantao
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Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

Wang, Zizhe
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Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

Cheng, Jun
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Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

Yin, Min
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h-index: 0
机构:
Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

Chen, Yonghu
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h-index: 0
机构:
Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
机构:
[1] Univ Sci & Technol China, Chinese Acad Sci, Sch Phys Sci, Key Lab Strongly Coupled Quantum Matter Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Solid-solution;
Structural phase transition;
Non-monotonous spectral shift;
Site occupation;
AB-INITIO;
NANOCRYSTALS;
ALUMINATE;
SRAL2O4;
D O I:
10.1016/j.jlumin.2016.12.027
中图分类号:
O43 [光学];
学科分类号:
070207 ;
0803 ;
摘要:
Solid-solution BaxSr1-xAl2O4 doped with Eu2+ phosphors with various x were successfully synthesized via conventional solid-state method. The structural properties were characterized by X-ray diffraction and the luminescent properties were studied via photoluminescence spectra. We observed an obvious phase transition in the solid-solution BaxSr1-xAl2O4 host, and the turning point located at around x = 0.45, which fitted well with our calculated result based on DFT approach. In addition, the photoluminescence emission spectra witnessed a non-monotonous shift of peak's position with various compositions. The non-monotonicity was not due to structural anomaly as all the samples were confirmed to be solid-solutions by XRD measurements. Our analysis suggests that the non-monotonous spectral shift is mainly determined by the site Eu2+ ions opt to occupy in the solid-solution. (C) 2016 Elsevier B.V. All rights reserved.
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页码:46 / 50
页数:5
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