Striking Change in Radiative Lifetime and Asymmetry Ratio with Temperature for the Double Perovskite Cs2NaEuCl6
Source abstract
Abstract
Abstract 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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Lanthanide and Transition Metal Complexes · Luminescence Properties of Advanced Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry Hong Kong Baptist University Waterloo Road Kowloon Tong Hong Kong SAR P. R. China
School of Molecular and Life Sciences Curtin University Kent Street Bentley WA 6102 Australia
Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong SAR P. R. China
Funding
Australian Research Council
References (43)
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