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VUV/Vis Photoluminescence, Site Occupancy, and Thermal-Resistance Properties of K4SrSi3O9:Ce3+
He, J; Guo, XX; Chen, YB; Shi, R; Huang, Y; Zhang, J; Wang, YF; Liu, ZQ; Huang Y(黄艳); Zhang J(张静)
2018
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
EISSN1521-3765
Volume24Issue:6Pages:1287-1294
SubtypeArticle
AbstractA series of Ce3+-activated K4SrSi3O9 materials emitting bright blue light under near-UV excitation was obtained by a facile solid-state reaction. The luminescence of Ce3+-doped K4SrSi3O9 shows excellent thermal stability in a large temperature range. The detailed temperature/concentration-dependent luminescent properties of Ce3+ confirm that there are two different Ce3+ sites in K4SrSi3O9: Ce3+, and energy transfer from the high-energy Ce(1)(3+) sites to the low-energy Ce(2)(3+) sites was demonstrated to occur by electric dipole-dipole interaction. The maximum photoluminescence quantum yield of Ce3+-doped K4SrSi3O9 can reach 56%, and a UV-excited white LED device with low correlated color temperature (CCT= 4617 K) and high color-rendering index (R-a= 80) was fabricated with K4SrSi3O9:Ce3+.
Keywordcerium energy conversion energy transfer luminescence solid-state reactions
DOI10.1002/chem.201704373
WOS KeywordENERGY-TRANSFER ; WHITE-LIGHT ; LUMINESCENCE ; PHOSPHORS ; CE3+ ; SPECTROSCOPY ; LEDS ; DYNAMICS ; SHIFT ; PR3+
Indexed BySCI ; EI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000423351800012
EI Accession Number20175104567812
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/285554
Collection多学科研究中心
实验物理中心
加速器中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
He, J,Guo, XX,Chen, YB,et al. VUV/Vis Photoluminescence, Site Occupancy, and Thermal-Resistance Properties of K4SrSi3O9:Ce3+[J]. CHEMISTRY-A EUROPEAN JOURNAL,2018,24(6):1287-1294.
APA He, J.,Guo, XX.,Chen, YB.,Shi, R.,Huang, Y.,...&张静.(2018).VUV/Vis Photoluminescence, Site Occupancy, and Thermal-Resistance Properties of K4SrSi3O9:Ce3+.CHEMISTRY-A EUROPEAN JOURNAL,24(6),1287-1294.
MLA He, J,et al."VUV/Vis Photoluminescence, Site Occupancy, and Thermal-Resistance Properties of K4SrSi3O9:Ce3+".CHEMISTRY-A EUROPEAN JOURNAL 24.6(2018):1287-1294.
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