Formation of silver nanoparticles with dielectric shell on the silver-containing glass during laser evaporation and ablation

Resumo

We demonstrate a new method of silver nanoparticles formation on a silver-containing glass surface due to its irradiation by a pulsed CO₂ and YAG:Nd lasers. The particles are formed as a result of reduction of silver ions from the glass at the edges of a laser torch emerging during evaporation and ablation. The settled particles are then fixed on sample surface by a shell of glass dielectric components. The method allows creating plasmonic nanostructures on the glass surface for sensing applications.