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- Title
Influence of Golden Nanoparticles on the Incorporation of Eu 2+ into BaI 2 and Defect Concentration.
- Authors
Ridzoňová, Katarína; Buryi, Maksym; Babin, Vladimir; John, David; Drahokoupil, Jan; Neykova, Neda; Salamakha, Tatsiana; Tratsiak, Yauhen
- Abstract
Conjugated BaI2:Eu (5 at.%) nanocrystalline particles were synthesized, decorated with golden nanoparticles (GNP). GNP demonstrated some hydrophilic effect, leading to the BaI2·H2O phase creation. The Eu2+ luminescence intensity was reduced according to the GNP content. This was due to the decreased number of Eu2+ ions in the BaI2, most probably, arising from the Au substitution for Ba competing with Eu. Moreover, the decay time of luminescence was decreased upon GNP content. This was explained by the moderation of negative charge in the GNP, leading to the repulsion with an electron in the excited Eu2+.
- Subjects
NANOPARTICLES; GOLD nanoparticles; LUMINESCENCE
- Publication
Crystals (2073-4352), 2023, Vol 13, Issue 6, p902
- ISSN
2073-4352
- Publication type
Article
- DOI
10.3390/cryst13060902