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Full visible spectra emission of multiple site wollastonite phosphor doped with Eu, La ions
Chen, F; Wang, ZJ; Zhang, J; Wang, H
2020-10-01
Source PublicationJOURNAL OF LUMINESCENCE
ISSN0022-2313
SubtypeArticle
AbstractEu-La doped natural wollastonite phosphors (Wo: Eu, La) with full visible spectra emission were successfully synthesized via solid phase thermal diffusion method in air. XRD studies verified the low temperature triclinic alpha-CaSiO3 phase of the prepared phosphors. Larger and aliovalent La3+ ion substitution for Ca2+ was employed to tune the luminescence based on multiple cation sites strategy. It's proved that when the Ca ions were partially replaced by the larger La ions, not only part of Eu3+ were reduced to Eu2+, but also the redistribution of Eu2+ emission centers happened, which is responsible for the changes of emission color from red to blue under 350-400 ultraviolet light excitation. The multiple-emitting phosphor is a promising candidate to help make white light-emitting diodes (WLEDs) with high color rendering index.
DOI10.1016/j.jlumin.2020.117417
WOS KeywordWHITE-LIGHT ; LUMINESCENCE PROPERTIES ; ENERGY-TRANSFER ; EARTH IONS ; REDUCTION ; AIR ; EFFICIENT ; CERAMICS ; CALCIUM ; SM3+
Language英语
WOS Research AreaOptics
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27725
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, F,Wang, ZJ,Zhang, J,et al. Full visible spectra emission of multiple site wollastonite phosphor doped with Eu, La ions[J]. JOURNAL OF LUMINESCENCE,2020.
APA Chen, F,Wang, ZJ,Zhang, J,&Wang, H.(2020).Full visible spectra emission of multiple site wollastonite phosphor doped with Eu, La ions.JOURNAL OF LUMINESCENCE.
MLA Chen, F,et al."Full visible spectra emission of multiple site wollastonite phosphor doped with Eu, La ions".JOURNAL OF LUMINESCENCE (2020).
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