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Sol-gel preparation of efficient red phosphor Mg2TiO4:Mn4+ and XAFS investigation on the substitution of Mn4+ for Ti4+
Ye, Tiannan; Li, Shan; Wu, Xueyan; Xu, Miao; Wei, Xiao; Wang, Kaixue; Bao, Hongliang; Wang, Jianqiang; Chen, Jiesheng
2013
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
ISSN2050-7526
Volume1Issue:28Pages:CONCATENATE(Sheet1!I309,-Sheet1!J309)
AbstractAn efficient red phosphor based on the substitution of Mn4+ for Ti4+ in the lattice of Mg2TiO4 was prepared through a sol-gel route. The phosphor was characterized by X-ray diffraction (XRD), electron paramagnetic resonance (EPR) and UV-vis spectroscopy and the luminescent properties of the samples with varying Mn4+ concentrations were investigated. The photoluminescence of the sol-gel prepared Mg2TiO4:Mn4+ phosphor was compared with the corresponding sample prepared via solid-state reaction and the commercial CaAlSiN3:Eu2+. X-ray absorption fine structure (XAFS) investigation reveals the oxidation state and coordination environment of the Mn ion in the crystal structure of Mg2TiO4 and indicates the substitution of Mn4+ for Ti-sites. Moreover, a decrease in lattice parameter was observed with the increase of Mn4+ content in Mg2TiO4, further confirming the replacement of Ti4+ ions by smaller Mn4+ ions in the host lattice.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000321015700004
Citation statistics
Cited Times:64[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13639
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Ye, Tiannan,Li, Shan,Wu, Xueyan,et al. Sol-gel preparation of efficient red phosphor Mg2TiO4:Mn4+ and XAFS investigation on the substitution of Mn4+ for Ti4+[J]. JOURNAL OF MATERIALS CHEMISTRY C,2013,1(28):CONCATENATE(Sheet1!I309,-Sheet1!J309).
APA Ye, Tiannan.,Li, Shan.,Wu, Xueyan.,Xu, Miao.,Wei, Xiao.,...&Chen, Jiesheng.(2013).Sol-gel preparation of efficient red phosphor Mg2TiO4:Mn4+ and XAFS investigation on the substitution of Mn4+ for Ti4+.JOURNAL OF MATERIALS CHEMISTRY C,1(28),CONCATENATE(Sheet1!I309,-Sheet1!J309).
MLA Ye, Tiannan,et al."Sol-gel preparation of efficient red phosphor Mg2TiO4:Mn4+ and XAFS investigation on the substitution of Mn4+ for Ti4+".JOURNAL OF MATERIALS CHEMISTRY C 1.28(2013):CONCATENATE(Sheet1!I309,-Sheet1!J309).
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