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We report on the significant role of silver ions during femtosecond laser-induced formation of nanogratings (NGs) at the surface of high optical quality gallophosphate glasses that we develop. Compared to the non-doped glass matrix, the silver-containing glass showed remarkable silver-dependent behaviors, namely lower fluence thresholds of NGs formation and higher NGs quality with much smoother shapes...
A simple method has been developed for homogeneous deposition of uniform Au-core Ag-shell nanoparticles on glass substrate. The method uses uniform gold colloid as seed and a silver enhancing kit to provide silver overlayer with improved fluorescence enhancement properties. Depending on size of these nanoparticles, the fluorescence of FITC-HSA monolayer deposited over the nanoparticles is either quenched,...
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