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Keywords = silver bromide nanocrystals

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16 pages, 6347 KiB  
Article
Governing Functionality of Silver Ion-Exchanged Photo-Thermo-Refractive Glass Matrix by Small Additives
by Yevgeniy Sgibnev, Nikolay Nikonorov and Alexander Ignatiev
Appl. Sci. 2021, 11(9), 3891; https://doi.org/10.3390/app11093891 - 25 Apr 2021
Cited by 9 | Viewed by 3329
Abstract
In this study, the influence of small additives on the spectral and optical properties of Na+–Ag+ ion-exchanged silicate glass is presented. Polyvalent ions, for example, cerium and antimony, are shown to reduce silver ions to atomic state and promote the [...] Read more.
In this study, the influence of small additives on the spectral and optical properties of Na+–Ag+ ion-exchanged silicate glass is presented. Polyvalent ions, for example, cerium and antimony, are shown to reduce silver ions to atomic state and promote the growth of photoluminescent silver molecular clusters and plasmonic silver nanoparticles. Na+–Ag+ ion-exchanged and heat-treated glasses doped with halogen ions, such as chlorine or bromine, exhibit formation of photo- and thermochromic AgCl or AgBr nanocrystals. Growth of a silver nanoisland film on the glass surface was observed in the case of undoped sample. The presented results highlight the vital role of small additives to control properties of the silver nanostructures in Na+–Ag+ ion-exchanged glasses. Possible applications of Na+–Ag+ ion-exchanged glass ceramics include but are not limited to biochemical sensors based on surface-enhanced Raman scattering phenomena, temperature and overheating sensors, white light-emitting diodes, and spectral converters. Full article
(This article belongs to the Special Issue Ion-exchange in Glasses and Crystals: from Theory to Applications )
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