Regiospecific Assembly of Gold Nanoparticles around the Pores of Diatoms: Toward Three-Dimensional Nanoarrays

Regiospecific Assembly of Gold Nanoparticles around the Pores of Diatoms: Toward Three-Dimensional Nanoarrays

The templated growth of gold nanoparticles in 3D arrays within the nanopores of unicellular diatoms involves pretreament of the skeletons with poly(vinylpyridine) which has a unique dewetting property. This self-assembly provides a nanochemical analogue of lithography for engineering complex nanostr...

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Veröffentlicht in:Journal of the American Chemical Society 2009-06, Vol.131 (24), p.8356-8357
Hauptverfasser: Toster, Jeremiah, Iyer, K. Swaminathan, Burtovyy, Ruslan, Burgess, Stephen S. O, Luzinov, Igor A, Raston, Colin L
Format: Artikel
Sprache:eng
Schlagworte:
Diatoms - chemistry
Gold - chemistry
Metal Nanoparticles - chemistry
Microscopy, Electron, Scanning
Nanotechnology - methods
Polyvinyls - chemistry
Pyridines - chemistry
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Zusammenfassung:The templated growth of gold nanoparticles in 3D arrays within the nanopores of unicellular diatoms involves pretreament of the skeletons with poly(vinylpyridine) which has a unique dewetting property. This self-assembly provides a nanochemical analogue of lithography for engineering complex nanostructures. The process can be universally applied to the many types of diatom skeletons which vary in size and structure.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja901806y