Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19
Influence of co-dopings of divalent ions such as Mg2+, Zn2+, Cd2+ and Sr2+ ions in Mn4+-doped CaAl12O19 red phosphor on its photoluminescence characteristics has been investigated. Samples of Mn4+-doped CaAl12O19 and co-doped with Mg2+, Zn2+, Cd2+ and Sr2+ ions were synthesized by a solid-state reac...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-10-01
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| Series: | Optical Materials: X |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2590147822000614 |
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| author | Umar Zafari Musashi Sagayama Mekhrdod Subhoni Alok M. Srivastava William W. Beers William E. Cohen Chong-Geng Ma Michal Piasecki Mikhail G. Brik Tomoyuki Yamamoto |
| author_facet | Umar Zafari Musashi Sagayama Mekhrdod Subhoni Alok M. Srivastava William W. Beers William E. Cohen Chong-Geng Ma Michal Piasecki Mikhail G. Brik Tomoyuki Yamamoto |
| author_sort | Umar Zafari |
| collection | DOAJ |
| description | Influence of co-dopings of divalent ions such as Mg2+, Zn2+, Cd2+ and Sr2+ ions in Mn4+-doped CaAl12O19 red phosphor on its photoluminescence characteristics has been investigated. Samples of Mn4+-doped CaAl12O19 and co-doped with Mg2+, Zn2+, Cd2+ and Sr2+ ions were synthesized by a solid-state reaction method. Significant enhancement of photoluminescence intensity was observed, when Mg2+ and Zn2+ were co-doped in Mn4+-doped CaAl12O19, while only slight enhancement was seen with Cd2+ and Sr2+ co-dopings. To investigate these differences in photoluminescence enhancement, change in local environment of Mn4+ ions due to co-dopings of divalent ions was examined by electron spin resonance (ESR) measurements and first principles calculations within a density functional theory. From these experimental and theoretical analysis, it has been confirmed that the local environment of Mn4+ changes significantly with Mg2+ and Zn2+ co-dopings, while Cd2+ and Sr2+ alter minimally the local environment of Mn4+ due to different substitution site. |
| first_indexed | 2024-04-12T16:06:00Z |
| format | Article |
| id | doaj.art-2a2b687d86224f31834aaf0470030493 |
| institution | Directory Open Access Journal |
| issn | 2590-1478 |
| language | English |
| last_indexed | 2024-04-12T16:06:00Z |
| publishDate | 2022-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Optical Materials: X |
| spelling | doaj.art-2a2b687d86224f31834aaf04700304932022-12-22T03:26:03ZengElsevierOptical Materials: X2590-14782022-10-0116100197Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19Umar Zafari0Musashi Sagayama1Mekhrdod Subhoni2Alok M. Srivastava3William W. Beers4William E. Cohen5Chong-Geng Ma6Michal Piasecki7Mikhail G. Brik8Tomoyuki Yamamoto9Center of Innovative Development of Science and New Technologies, National Academy of Sciences of Tajikistan, Dushanbe, 734025, Tajikistan; Faculty of Science and Technology, Jan Długosz University, Armii Krajowej 13/15, PL-42200, Częstochowa, PolandFaculty of Science and Engineering, Waseda University, Tokyo, 169-8555, JapanCenter of Innovative Development of Science and New Technologies, National Academy of Sciences of Tajikistan, Dushanbe, 734025, Tajikistan; School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing, 400065, People's Republic of China; Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Tokyo, 169-0051, Japan; Physical Technical Institute, National Academy of Sciences of Tajikistan, 734063, Dushanbe, TajikistanCurrent Chemicals, 1099 Ivanhoe Road, Cleveland, OH, 44110, USACurrent Chemicals, 1099 Ivanhoe Road, Cleveland, OH, 44110, USACurrent Chemicals, 1099 Ivanhoe Road, Cleveland, OH, 44110, USASchool of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing, 400065, People's Republic of ChinaFaculty of Science and Technology, Jan Długosz University, Armii Krajowej 13/15, PL-42200, Częstochowa, Poland; Inorganic Chemistry Department, Uzhhorod National University, Pidhirna Str. 46, 88000, Uzhhorod, UkraineFaculty of Science and Technology, Jan Długosz University, Armii Krajowej 13/15, PL-42200, Częstochowa, Poland; School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing, 400065, People's Republic of China; Institute of Physics, University of Tartu, Tartu, 50411, Estonia; Academy of Romanian Scientists, Ilfov Str. No. 3, 050044, Bucharest, RomaniaFaculty of Science and Engineering, Waseda University, Tokyo, 169-8555, Japan; Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, Tokyo, 169-0051, Japan; Institute of Condensed-Matter Science, Waseda University, Tokyo, 169-8555, Japan; Corresponding author. Faculty of Science and Engineering, Waseda University, Tokyo, 169-8555, Japan.Influence of co-dopings of divalent ions such as Mg2+, Zn2+, Cd2+ and Sr2+ ions in Mn4+-doped CaAl12O19 red phosphor on its photoluminescence characteristics has been investigated. Samples of Mn4+-doped CaAl12O19 and co-doped with Mg2+, Zn2+, Cd2+ and Sr2+ ions were synthesized by a solid-state reaction method. Significant enhancement of photoluminescence intensity was observed, when Mg2+ and Zn2+ were co-doped in Mn4+-doped CaAl12O19, while only slight enhancement was seen with Cd2+ and Sr2+ co-dopings. To investigate these differences in photoluminescence enhancement, change in local environment of Mn4+ ions due to co-dopings of divalent ions was examined by electron spin resonance (ESR) measurements and first principles calculations within a density functional theory. From these experimental and theoretical analysis, it has been confirmed that the local environment of Mn4+ changes significantly with Mg2+ and Zn2+ co-dopings, while Cd2+ and Sr2+ alter minimally the local environment of Mn4+ due to different substitution site.http://www.sciencedirect.com/science/article/pii/S2590147822000614CaAl12O19Mn4+Red phosphorESRFirst principles calculationLocal environment |
| spellingShingle | Umar Zafari Musashi Sagayama Mekhrdod Subhoni Alok M. Srivastava William W. Beers William E. Cohen Chong-Geng Ma Michal Piasecki Mikhail G. Brik Tomoyuki Yamamoto Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 Optical Materials: X CaAl12O19 Mn4+ Red phosphor ESR First principles calculation Local environment |
| title | Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 |
| title_full | Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 |
| title_fullStr | Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 |
| title_full_unstemmed | Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 |
| title_short | Influence of co-doping of divalent ions on the photoluminescence intensity of Mn4+ doped CaAl12O19 |
| title_sort | influence of co doping of divalent ions on the photoluminescence intensity of mn4 doped caal12o19 |
| topic | CaAl12O19 Mn4+ Red phosphor ESR First principles calculation Local environment |
| url | http://www.sciencedirect.com/science/article/pii/S2590147822000614 |
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