Influence of Ultraviolet Irradiation and Heat Treatment on the Morphology of Silver Nanoparticles in Photothermorefractive Glasses

摘要

This paper reports on the experimental results of the investigation into the influence of ultraviolet irradiation and heat treatment on the absorption spectra of photothermorefractive glasses containing silver nanoparticles. It is demonstrated using numerical simulation methods that the spectral shift and the modification of the absorption bands associated with the plasmon resonances of silver nanoparticles are determined primarily by the variations observed in the shape of silver nanoparticles and by the formation of "core-shell" nano-structures.