Sonochemical Deposition of Au Nanoparticles on Titania and the Significant Decrease in the Melting Point of Gold
Abstract:In this article, sub-micron size particles of titania were coated by a nanosized gold particles with the aid of power ultrasound. We could achieve a uniform coating of gold nanoparticles on a titania surface with a maximum gold loading of 10 wt%. In addition, we report on the experimental evidence for a significant decrease in the melting point of gold nanoparticles (<2 nm) by ∼850 °C from that of the bulk material.
Document Type: Research Article
Publication date: June 1, 2005
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