D'Souza, Lawrence ; Sampath, S. (2000) Preparation and characterization of silane-stabilized, highly uniform, nanobimetallic Pt-Pd particles in solid and liquid matrixes Langmuir, 16 (22). pp. 8510-8517. ISSN 0743-7463
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Official URL: http://pubs.acs.org/doi/abs/10.1021/la000496y
Related URL: http://dx.doi.org/10.1021/la000496y
Abstract
Highly uniform, stable nanobimetallic dispersions are prepared in a single step in the form of sols, gels, and monoliths, using organically modified silicates as the matrix and the stabilizer. The Pt-Pd bimetallic dispersions are characterized by UV-vis, TEM, SEM, and XRD measurements. The evolution of silicate was followed by IR spectroscopy. XPS and CO adsorption studies reveal that the structure of the particles consists of a palladium core and a platinum shell. Electrocatalysis of ascorbic acid oxidation has been demonstrated using thin films of silicate containing the nanobimetal particles on a glassy carbon electrode.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 57315 |
| Deposited On: | 26 Aug 2011 07:57 |
| Last Modified: | 26 Aug 2011 07:57 |
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