Concepedia

Simultaneous negative thermal quenching luminescence of upconversion and downshifting processes in Al<sub>2</sub>(WO<sub>4</sub>)<sub>3</sub>:Yb/Er phosphors with low thermal expansion

Haokun Yan, Renfu Li, Liuzhen Feng, Yiqi Yu, Guoliang Gong, Haiping Huang, He‐Rui Wen, Jinsheng Liao

Journal of Materials Chemistry C · 2024 · 53 citations · 61 references

DOI

Concepts

Abstract

The thermally enhanced luminescence mechanism of Al 2 (WO 4 ) 2 :Yb/Er with low thermal expansion is revealed. High sensitivity of optical thermometry is realized via the difference in red/green luminescence temperature response.

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