Journal
JOURNAL OF LUMINESCENCE
Volume 251, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2022.119217
Keywords
Lanthanides; Europium; Nanoparticles; Copper; Copper oxide
Categories
Funding
- Brazilian agency FACEPE [PRONEX APQ-0675-1.06/14, APQ-0236-1.06/14, APQ-1007-1.06/15]
- Brazilian agency CNPq [PRONEX APQ-0675-1.06/14, APQ-0236-1.06/14, APQ-1007-1.06/15]
- Brazilian agency CAPES [PRONEX APQ-0675-1.06/14, APQ-0236-1.06/14, APQ-1007-1.06/15]
- Brazilian agency FINEP [PRONEX APQ-0675-1.06/14, APQ-0236-1.06/14, APQ-1007-1.06/15]
- University of Verona
- CNPq [308823/20141]
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A theoretical model based on rate equations and energy transfer rates was developed to explain a threefold increase in the photoluminescence of a Eu(III)-pyridine complex in the presence of copper nanoparticles (CuNPs). The model was modified and generalized to describe the interactions between copper oxide nanoparticles (CuONPs) and the Eu(III) complex, as well as simultaneous interactions of CuNPs and CuONPs with the Eu(III) complex.
A theoretical model based on the rate equations and energy transfer rates was developed to explain a threefold increase in the photoluminescence of a Eu(III)-pyridine complex in the presence of copper nanoparticles (CuNPs). The model was modified and generalized to describe another two systems: i) copper oxide nanoparticles (CuONPs) interacting with the Eu(III) complex, and ii) simultaneous interactions of CuNPs and CuONPs with the Eu(III) complex. Comparisons with experimental results suggest that the real system involved the effects of both copper and copper oxide nanoparticles on the luminescence of Eu(III).
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