Size evaluation of the fine morphological features of porous nanostructures from the perturbation of heat transfer by a pore filling agent

Autor: D. Andrusenko, Vladimir Lysenko, Alona Tytarenko, R. M. Burbelo, Mykola Isaiev
Přispěvatelé: INL - Spectroscopies et Nanomatériaux (INL - S&N), Institut des Nanotechnologies de Lyon (INL), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-École supérieure de Chimie Physique Electronique de Lyon (CPE)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-École Centrale de Lyon (ECL), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Taras Shevchenko National University of Kyiv, Inl, Laboratoire INL UMR5270
Rok vydání: 2014
Předmět:
Materials science
Nanostructure
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic
Silicon
[SPI] Engineering Sciences [physics]
[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Perturbation (astronomy)
chemistry.chemical_element
02 engineering and technology
[SPI.MAT] Engineering Sciences [physics]/Materials
Porous silicon
01 natural sciences
[SPI.MAT]Engineering Sciences [physics]/Materials
[SPI]Engineering Sciences [physics]
Thermal conductivity
0103 physical sciences
General Materials Science
[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics
Composite material
Porosity
010302 applied physics
General Chemistry
021001 nanoscience & nanotechnology
Condensed Matter Physics
chemistry
Mechanics of Materials
Heat transfer
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic
0210 nano-technology
Porous medium
Zdroj: Microporous and Mesoporous Materials
Microporous and Mesoporous Materials, Elsevier, 2014, 194, pp.79
ISSN: 1387-1811
DOI: 10.1016/j.micromeso.2014.03.045
Popis: International audience; An approach for the size evaluation of fine morphological features of fractal-like porous materials is described. The method is based on the measurements of thermal conductivity of porous layers with empty and filled pore networks. Being associated to a heat transfer model, the experimentally obtained values of thermal conductivity allow the size evaluation of very small structural constrictions ensuring interconnections between the main particles constituting the porous material. The method is applied to determine the size values of the structural constrictions interconnecting silicon nanocrystals forming meso-porous silicon layers.
Databáze: OpenAIRE
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