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Carbon nanotubes/polydimethylsiloxanes systems for thermal management of miniaturized electronic components.

Authors
  • Toschi, Francesco
  • Orlanducci, Silvia
  • Tamburri, Emanuela
  • Guglielmotti, Valeria
  • Terranova, Maria Letizia
  • Di Carlo, Aldo
  • Reale, Andrea
  • Falessi, Carlo
Type
Published Article
Journal
Journal of Nanoscience and Nanotechnology
Publisher
American Scientific Publishers
Publication Date
Dec 01, 2010
Volume
10
Issue
12
Pages
8336–8340
Identifiers
PMID: 21121336
Source
Medline
License
Unknown

Abstract

The thermal performances of nanocomposite layers formed by Single-walled Carbon Nanotubes (SWCNT) dispersed in 2 different kind of polydimethyl-siloxane (PDMSO) matrices has been investigated by measuring the thermal resistance under conditions similar to the ones used for thermal management in microelectronics. A series of nanocomposite samples with thickness in the range 25 microm(-1) cm have been tested. The nanocomposites were prepared varying the amounts of nanotubes embedded in the matrix (from 0.1 to 5%w). In some cases also microsized graphites were mixed to the nanotube's fillers. For 25 micron thick layers, the thermal resistance of the neat silicone specimen can be reduced of 54% with the addition of 2%w carbon nanotubes. The variation of thermal conductivity as a function of the SWCNT's loading is reported and discussed. Furthermore the dispersion's effects of the nanotubes in the layers and the effects on the realization of a net-like system have been investigated.

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