Structural characteristics of chemically synthesized Au nanoparticles
Metal nanoparticles exhibit unusual chemical and physical properties different from those of the bulk metals, and have a number of fascinat- ing potential applications in heterogeneous catalyst as well as microelectronic and optoelectronic devices. In the present work, a chemical reduction method is...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2007 |
| País: | México |
| Institución: | Universidad Michoacana de San Nicolás de Hidalgo |
| Repositorio: | Redalyc-UMSNH |
| OAI Identifier: | oai:redalyc.org:57028299013 |
| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=57028299013 |
| Access Level: | acceso abierto |
| Palabra clave: | Física, Astronomía y Matemáticas ulation molecular sim Gold nanoparticles structural determination chemical reduction synthesis |
| Sumario: | Metal nanoparticles exhibit unusual chemical and physical properties different from those of the bulk metals, and have a number of fascinat- ing potential applications in heterogeneous catalyst as well as microelectronic and optoelectronic devices. In the present work, a chemical reduction method is used to produce nanometric gold particles. Depending of the concentration of the reducing agent, nanoparticles of different sizes and consequently different atomic structural configurations are obtained. The main structures obtained are fcc-like and deca- hedral morphologies with fivefold symmetry axes. Using quantum mechanic approximation, the electrophilic fields and the corresponding HOMO-LUMO distributions were calculated. |
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