Au-Ag stable bimetallic nanoparticles were synthesized by a microwave assisted route, by using an eco-friendly method that provided a total reaction yield. Both UV-VIS spectroscopy and microscopy data confirmed the formation of bimetallic nanostructures, in the form of core-shell or alloy. Catalytic tests showed that prepared nanostructure of Au, Ag and AuAg act as effective catalyst in the hydrogenation of p-nitrophenol, resulting in agreement with literature data, but with a decreased activity for higher silver content. The best colouring performance was observed for Ag-Core samples, further analysis are ongoing to explain the reasons of this behavior.
Au, Ag and Au-Ag nanoparticles: microwave-assisted synthesis in water and applications in ceramic and catalysis / M. Blosi; S. Albonetti; F. Gatti; M. Dondi; A. Migliori; L. Ortolani; V. Morandi ; G. Baldi. - STAMPA. - 1:(2010), pp. 352-355. (Intervento presentato al convegno Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - tenutosi a Anaheim, California (USA) nel 21 June - 24 June 2010).
Au, Ag and Au-Ag nanoparticles: microwave-assisted synthesis in water and applications in ceramic and catalysis
BLOSI, MAGDA;ALBONETTI, STEFANIA;
2010
Abstract
Au-Ag stable bimetallic nanoparticles were synthesized by a microwave assisted route, by using an eco-friendly method that provided a total reaction yield. Both UV-VIS spectroscopy and microscopy data confirmed the formation of bimetallic nanostructures, in the form of core-shell or alloy. Catalytic tests showed that prepared nanostructure of Au, Ag and AuAg act as effective catalyst in the hydrogenation of p-nitrophenol, resulting in agreement with literature data, but with a decreased activity for higher silver content. The best colouring performance was observed for Ag-Core samples, further analysis are ongoing to explain the reasons of this behavior.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
