THERMAL QUENCHING OF PHOTOLUMINESCENCE OF EU3+ IONS IN AN EU(FOD)3 COMPLEX

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Abstract

We have studied the photoluminescence (PL) spectra of Eu3+ ions in the complex Eu(fod)3 (fod = 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octadione) and also in polymers doped with Eu(fod)3 with the help of supercritical carbon dioxide. We have established that in the temperature range 20°C–100°C, we observe thermal quenching of the photoluminescence of Eu3+ ions, and this quenching is most efficient in polycrystalline Eu(fod)3 powder and Eu(fod)3-doped polypropylene.

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