Template synthesis of gold nanotubes in an anodic alumina membrane
| Autor: | Charles R. Martin, John E. Wharton, Punit Kohli, Otonye Braide |
|---|---|
| Rok vydání: | 2004 |
| Předmět: |
Nanotube
Materials science Time Factors Polymers Biomedical Engineering Bioengineering Catalysis law.invention law Plating Nanotechnology General Materials Science Electrodes Filtration Nanotubes technology industry and agriculture General Chemistry Template synthesis Condensed Matter Physics Anode Membrane Template Chemical engineering Models Chemical Microscopy Electron Scanning Gold Template method pattern Aluminum |
| Zdroj: | Journal of nanoscience and nanotechnology. 4(6) |
| ISSN: | 1533-4880 |
| Popis: | Nanotube-containing membranes prepared by the template method show promise for use as highly selective filters for membrane-based chemical and biological separations. Most of the work to date has been done on gold nanotubes prepared by electroless deposition of Au within the pores of polymeric filtration membranes. These polymeric filters have very low porosities (< 1%), and, as a result, the flux through Au nanotube membranes based on these templates is very low. In contrast, the other popular template membranes-anodic aluminas-have high porosities-30% to 50%. In spite of this potential advantage of anodic alumina templates, there have been no reports of electrolessly plated Au nanotubes within the pores of these templates. This is because the electroless plating method used to deposit Au nanotubes in polymeric templates does not work in aluminas. We have developed a modified electroless plating strategy that can be used to deposit high-quality Au nanotubes within the pores of the alumina templates. We describe this new plating method here. |
| Databáze: | OpenAIRE |
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