Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6
The measurement of quantum yield (QY) is an important process for a phosphor. This is often accomplished by the comparison of the low-temperature lifetime with the room temperature (RT) lifetime. It is shown that this procedure provides a considerable underestimation of QY in certain cases. Addition...
| Main Authors: | , , , , |
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| Format: | Journal Article |
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2024
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| Online Access: | http://purl.org/au-research/grants/arc/FT210100509 http://hdl.handle.net/20.500.11937/95987 |
| _version_ | 1848766066340134912 |
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| author | Xiao, D. Kai, H.Y. Jia, Guohua Wong, K.L. Tanner, P.A. |
| author_facet | Xiao, D. Kai, H.Y. Jia, Guohua Wong, K.L. Tanner, P.A. |
| author_sort | Xiao, D. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The measurement of quantum yield (QY) is an important process for a phosphor. This is often accomplished by the comparison of the low-temperature lifetime with the room temperature (RT) lifetime. It is shown that this procedure provides a considerable underestimation of QY in certain cases. Additionally, the use of the europium ion as an indicator of changes in site symmetry with temperature has severe limitations. This work reveals that a decrease in measured lifetime with increasing temperature of a system cannot always be associated with a descent in site symmetry and may be due to increasing radiative rate. |
| first_indexed | 2025-11-14T11:45:14Z |
| format | Journal Article |
| id | curtin-20.500.11937-95987 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T11:45:14Z |
| publishDate | 2024 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-959872024-10-09T07:52:41Z Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 Xiao, D. Kai, H.Y. Jia, Guohua Wong, K.L. Tanner, P.A. The measurement of quantum yield (QY) is an important process for a phosphor. This is often accomplished by the comparison of the low-temperature lifetime with the room temperature (RT) lifetime. It is shown that this procedure provides a considerable underestimation of QY in certain cases. Additionally, the use of the europium ion as an indicator of changes in site symmetry with temperature has severe limitations. This work reveals that a decrease in measured lifetime with increasing temperature of a system cannot always be associated with a descent in site symmetry and may be due to increasing radiative rate. 2024 Journal Article http://hdl.handle.net/20.500.11937/95987 10.1002/adom.202302261 http://purl.org/au-research/grants/arc/FT210100509 http://purl.org/au-research/grants/arc/DP220101959 http://creativecommons.org/licenses/by-nc-nd/4.0/ fulltext |
| spellingShingle | Xiao, D. Kai, H.Y. Jia, Guohua Wong, K.L. Tanner, P.A. Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title | Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title_full | Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title_fullStr | Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title_full_unstemmed | Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title_short | Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6 |
| title_sort | striking change in radiative lifetime and asymmetry ratio with temperature for the double perovskite cs2naeucl6 |
| url | http://purl.org/au-research/grants/arc/FT210100509 http://purl.org/au-research/grants/arc/FT210100509 http://hdl.handle.net/20.500.11937/95987 |