The Influence of the Chemical Composition on the Color of Lead-Silicate Glass Caused by Gold Nanoparticles

详细

The influence of the lead content in the K₂O–PbO–SiO₂ system on the color of glass caused by the plasmon resonance of gold nanoparticles is discussed. It is shown that in glass with a high lead content a longer time of secondary heat treatment (striking) and high temperature affect the hypsochromic shift of the plasmon frequency in UV-vis spectra, while for the remaining compositions, a bathochromic effect is observed. This is explained by the change in the structural role of the lead in the silicate matrix.