Photoacoustic effects in nanocomposite structure ‘porous silicon-liquid’

Photoacoustic effect in nanocomposite structure ‘porous silicon-liquid’ has been investigated. Main mechanisms involved in the formation of photoacoustic signal in such structures have been experimentally studied. Liquids with different viscosity (ethanol and acetone) filling the nanopores have been...

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Bibliographic Details
Published in:Nanoscale research letters 2012-07, Vol.7 (1), p.411-411, Article 411
Main Authors: Andrusenko, Dmitriy, Isaiev, Mykola, Kuzmich, Andrey, Lysenko, Vladimir, Burbelo, Roman
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
Porous Semiconductors - Science and Technology 2012
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Summary:Photoacoustic effect in nanocomposite structure ‘porous silicon-liquid’ has been investigated. Main mechanisms involved in the formation of photoacoustic signal in such structures have been experimentally studied. Liquids with different viscosity (ethanol and acetone) filling the nanopores have been used. A proposed mathematical model describing the photoacoustic signal formation was found to be in good agreement with the experimental results. The role of thermally induced pressures provoked by the liquids confined inside the nanopores in the photoacoustic process has been analyzed.
ISSN:1556-276X
1931-7573
1556-276X
DOI:10.1186/1556-276X-7-411