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Electrical conductivity of conductive carbon blacks: influence of surface chemistry and topology

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Abstract.
Conductive carbon blacks from different manufacturers were studied in order to obtain some insight into the relation between their electrical conductivity and their surface properties. The surface chemistry was studied by X-ray photoelectron spectroscopy (XPS) and static secondary ion mass spectroscopy (SIMS), whereas the topology of the carbon black surface was investigated using low-pressure nitrogen adsorption. All these techniques yield information on the graphitic character of the surface. In general, the electrical conductivity of the conductive blacks increases with the graphitic character of the surface. For low surface area conductive blacks, the electrical conductivity correlates well with the surface chemistry. In the case of the XPS and SIMS data, this correlation is also valid when other types of carbon blacks such as thermal and furnace blacks are included, confirming the determining influence of the carbon black surface chemistry on the electrical conductivity.

Keywords: Carbon black; Electrical conductivity; XPS; SIMS; Gas adsorption

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Ketersediaan

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Informasi Detail

Judul Seri

Applied Surface Science

No. Panggil

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Penerbit

New York : Elsevier Science B.V.., 2003

Deskripsi Fisik

Applied Surface Science 217 (2003) 181–193

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

217 (2003)

Subjek

KIMIA KARBON

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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