Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 9, Issue 7, Pages 2220-2230Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0tc05759b
Keywords
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Funding
- National Natural Science Foundation of China [11974350]
- Natural Science Foundation of Fujian Province [2019J01122]
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Luminescent materials are often affected by luminescence thermal quenching at elevated temperatures, but recent discovery of abnormal thermally enhanced upconversion luminescence has attracted significant attention. While efforts have been made to explore the underlying mechanism, there are still significant disagreements on different proposed mechanisms.
Luminescent materials usually suffer from luminescence thermal quenching because of the aggravation of various nonradiation relaxations with elevated temperatures. However, recent discovery on the abnormal thermally enhanced upconversion luminescence has triggered extensive attention. Although considerable efforts have been spent exploring the underlying mechanism, significant disagreements remain for different proposed mechanisms. In this mini-review, we have briefly summarized recent progress on abnormal thermally enhanced upconversion luminescence for lanthanide-doped phosphors, focusing mainly on the various mechanisms proposed so far. The potential applications in various areas that such unique luminescence behavior could bring are also introduced.
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