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The formation mechanism of 3D micron-sized fluorescent structures generated in silver nanoparticle containing sodium citrate dihydrate films, during exposure to focused laser radiation, was investigated. Microscopic and thermochemical data indicate that heat accumulates at the nanoparticle surface. The heat causes local melting and an increase in temperature beyond the decomposition point of the immediate...
An optical method for the formation of micron sized line features within silver nanoparticle based films using focused laser irradiation is developed. The observed light-induced effect is a strong function of light flux producing line features with widths of less than 5μm, which can be controlled by careful selection of the focused incident beam waist. A potentially useful local feature is generated...
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