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Synthesis of rod-like silica–gold core-shell structures is reported by using silica rods having length of ∼1μm and diameter of ∼200nm. Before deposition of gold nanoparticles the aforementioned silica rods were modified by using 3-aminopropyltrimethoxysilane (APTMS) in order to attach aminopropyl groups and consequently, to facilitate deposition of Au. There methods were used to deposit Au nanoparticles...
Silica-metal core–shell particles, as for instance those having siliceous core and nanostructured gold shell, attracted a lot of attention because of their unique properties resulting from combination of mechanical and thermal stability of silica and magnetic, electric, optical and catalytic properties of metal nanocrystals such as gold, silver, platinum and palladium. Often, the shell of the core–shell...
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