Enhancing the photoluminescence intensity of CaTiO3:Eu3+ red phosphors with magnesium
Zhang, JQ (Zhang Jieqiang)1; Fan, YW (Fan Yanwei)1; Chen, ZY (Chen Zhaoyang)1; Wang, JH (Wang Junhua)1; Zhao, PJ (Zhao Pengjun)1; Hao, B (Hao Bin)1; Chen, ZY
2015
Source PublicationJOURNAL OF RARE EARTHS
Volume33Issue:10Pages:1036-1039
AbstractRed phosphors MgxCa1-xTiO3:Eu3+ (0The crystalline structure and morphology of the as-prepared samples were confirmed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The luminescence property was measured using photoluminescence excitation and photoluminescence emission spectra. Results showed that spherical particles appeared in the phosphor bodies and size of the phosphor particles were uniformly distributed in the range of 600-800 nm when the Mg2+ concentration was about 40 mol.%. It could readily be seen that the strongest PL emission was located at 617 nm monitored at 398 nm, which well matched with the near ultraviolet (NUV, 395-400 nm) GaN-LEDs. More importantly, PL emission intensity (617 nm) of phosphor Mg0.4Ca0.6TiO3:0.03Eu(3+) was 4.26 times of that of phosphor CaTiO3:0.03Eu(3+). Based on these results, it implied that the PL intensity of phosphorCaTiO(3):0.03Eu(3+) could be significantly enhanced by introducing Mg2+ into CaTiO3 host lattices and the phosphor Mg0.4Ca0.6TiO3:0.03Eu(3+) might be the promising red-emitting phosphor in making tricolor phosphor converted white-LEDs.
KeywordRed Phosphor Mgxca1-xtio3:Eu3++ Mg2++ Concentration Photoluminescence Rare Earths
DOI10.1016/S1002-0721(14)60523-8
Indexed BySCI
WOS IDWOS:000362957600004
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4894
Collection中国科学院特殊环境功能材料与器件重点试验室
Corresponding AuthorChen, ZY
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhang, JQ ,Fan, YW ,Chen, ZY ,et al. Enhancing the photoluminescence intensity of CaTiO3:Eu3+ red phosphors with magnesium[J]. JOURNAL OF RARE EARTHS,2015,33(10):1036-1039.
APA Zhang, JQ .,Fan, YW .,Chen, ZY .,Wang, JH .,Zhao, PJ .,...&Chen, ZY.(2015).Enhancing the photoluminescence intensity of CaTiO3:Eu3+ red phosphors with magnesium.JOURNAL OF RARE EARTHS,33(10),1036-1039.
MLA Zhang, JQ ,et al."Enhancing the photoluminescence intensity of CaTiO3:Eu3+ red phosphors with magnesium".JOURNAL OF RARE EARTHS 33.10(2015):1036-1039.
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