Journal
NANOMATERIALS
Volume 11, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/nano11123387
Keywords
scintillation; nanocomposites; energy transfer; metal clusters; hybrid materials; nanoscintillators
Categories
Funding
- Italian Ministry of Health [RF-2016-02362263]
- Marie Sklodowska-Curie Actions Widening Fellowships (MSCA-WF) [101003405-HANSOME]
- Operational Programme Research, Development and Education - European Structural and Investment Funds
- Czech Ministry of Education, Youth and Sports [SOLID21 CZ.02.1.01/0.0/0.0/16_019/0000760]
- Italian Ministry of University and Research (MIUR) through grant Dipartimenti di Eccellenza-2017 Materials for Energy
- Italian Ministero degli Affari Esteri e della Cooperazione Internazionale (MAECI) Project [2020-H45H19000070001]
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The sensitization of scintillation in crosslinked polymeric composite materials loaded with luminescent gold clusters aggregates and organic dye rhodamine 6G as sensitizers and emitters, respectively, was studied through a set of coupled rate equations. The results suggest that the strategy to maximize the sensitization effect in composite materials should focus on the realization of sensitizer/emitter scintillating complexes.
The sensitization of scintillation was investigated in crosslinked polymeric composite materials loaded with luminescent gold clusters aggregates acting as sensitizers, and with organic dye rhodamine 6G as the emitting species. The evolution in time of the excited states population in the systems is described by a set of coupled rate equations, in which steady state solution allowed obtainment of an expression of the sensitization efficacy as a function of the characteristic parameters of the employed luminescent systems. The results obtained indicate that the realization of sensitizer/emitter scintillating complexes is the strategy that must be pursued to maximize the sensitization effect in composite materials.
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