Plasmonic resonance of Ag nanoclusters diffused in soda-lime glasses

Physical Chemistry Chemical Physics : PCCP
Promod KumarH C Swart

Abstract

Silver nanoclusters were prepared in a soda-lime glass matrix through the ion-exchange (Ag(+)↔ Na(+)) method followed by thermal annealing in an air atmosphere. The nanoscale patterning of Ag nanoclusters embedded in a soda lime glass matrix in an air atmosphere at different annealing temperatures has been investigated. During annealing, Ag(+) is reduced to Ag(0) and subsequently forms silver nanoparticles inside the glass matrix. A blue shift of 20 nm has been observed as a function of the post annealing temperature. The photoluminescence intensity is highest for an annealing temperature of 500 °C for 1 h and continuously decreases as annealing temperature increases up to 600 °C. The presence of spherical nanoparticles with a maximum particle size of 7.2 nm has been observed after annealing at 600 °C for 1 hour, which is consistent with Mie theory based results.

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Citations

Nov 21, 2015·Advances in Colloid and Interface Science·Jai PrakashH C Swart
Feb 16, 2018·Scientific Reports·Gajendra Kumar InwatiMan Singh
Jul 12, 2018·Scientific Reports·Tomoki MatsudaAkio Hirose
Mar 18, 2020·ACS Applied Materials & Interfaces·Seung Beom PyunEun Chul Cho

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