The Morphology and Conductive Properties of Composite Material SiO2 – C | Zendy

I. F. Myronyuk | Zendy; Volodymyr Mandzyuk | Zendy; V. М. Sachko | Zendy; Yu.O. Kyluk | Zendy

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The Morphology and Conductive Properties of Composite Material SiO2 – C

Author(s) -

I. F. Myronyuk,

Volodymyr Mandzyuk,

V. М. Sachko,

Yu.O. Kyluk

Publication year - 2015

Publication title -

physics and chemistry of solid state

Language(s) - English

Resource type - Journals

eISSN - 2309-8589

pISSN - 1729-4428

DOI - 10.15330/pcss.16.4.700-705

Subject(s) - materials science , composite number , morphology (biology) , lamellar structure , composite material , fumed silica , chemical engineering , porosity , carbon fibers , mesoporous material , dielectric spectroscopy , small angle x ray scattering , conductivity , scattering , chemistry , catalysis , biochemistry , genetics , electrode , electrochemistry , engineering , biology , physics , optics

The article explores the structure, morphology and conductive properties of composite material SiO2 – C using XRD, SAXS, low-temperature nitrogen adsorption, and impedance spectroscopy methods. It is set that SiO2 – C composite obtained by thermolytic decomposition of D-lactose, previously chemisorbed on fumed silica nanoparticles surface, has an open porous structure, in which mesopores of 6-12 nm in size are dominate. At weight ratio SiO2/C = 5/1 nanocrystallites of carbon phase in form of lamellar sheets of 0,4 × 0,4 × 5,0 nm3 in size contact with entire silica surface that results in composite material conductivity is 49 Оhm-1·m-1.

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