Europium 3,5-dinitropyrazole complexes demonstrate an unusual luminescence behavior upon heating, i.e. there is a noticeable increase of the luminescence intensity beyond a temperature of 200 °C. We propose and successfully demonstrate the possibility of using this phenomenon for sensing overheating above this temperature. An on/off ratio of 37 is reached.
V. V. Utochnikova, I. A. Vatsadze, D. M. Tsymbarenko, A. S. Goloveshkin and S. Z. Vatsadze, Phys. Chem. Chem. Phys., 2021, 23, 25480 DOI: 10.1039/D1CP03924E
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