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Thermal stability of gold-PS nanocomposites thin films

Bhatta, Umananda M. ; Khushalani, Deepa ; Satyam, P. V.

Bulletin of materials science, 2011-07, Vol.34 (4), p.595-599 [Periódico revisado por pares]

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Título:
Thermal stability of gold-PS nanocomposites thin films
Autor: Bhatta, Umananda M. ; Khushalani, Deepa ; Satyam, P. V.
Assuntos: Chemistry and Materials Science ; Diameters ; Electron beams ; Engineering ; Glass transition temperature ; Gold ; Liquid nitrogen ; Low temperature ; Materials Science ; Nanocomposites ; Nanomaterials ; Nanoparticles ; Nanostructure ; Polystyrene resins ; Radiation damage ; Spin coating ; Thermal stability ; Thin films ; Transmission electron microscopy
É parte de: Bulletin of materials science, 2011-07, Vol.34 (4), p.595-599
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Low-temperature transmission electron microscopy (TEM) studies were performed on polystyrene (PS, M w = 234 K) — Au nanoparticle composite thin films that were annealed up to 350°C under reduced pressure conditions. The composite thin films were prepared by wet chemical approach and the samples were then subsequently spin-coated on a carbon-coated copper grid for TEM measurements. TEM measurements were performed at liquid nitrogen temperatures to reduce the electron-beam-induced radiation damage. The results showed a marginal increase in Au nanoparticle diameter (2.3 nm–3.6 nm) and more importantly, an improved thermal stability of the polystyrene (PS) composite film much above its glass transition temperature.
Editor: India: Springer-Verlag
Idioma: Inglês

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