Sonochemical deposition of Au nanoparticles on titania and the significant decrease in the melting point of gold |
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| Authors: | Pol Vilas G Wildermuth G Felsche J Gedanken Aharon Calderon-Moreno J |
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| Affiliation: | Department of Chemistry, and Kanbar Laboratory for Nanomaterials at the Bar-Ilan University Center for Advanced Materials and Nanotechnology, Bar-Ilan University, Ramat-Gan 52900, Israel. |
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| 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 approximately 850 degrees C from that of the bulk material. |
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