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Synthesis and characterization of nanostructured magnetite and magnetite/carbon nanocomposite thin films for electrochemical applications

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2 Author(s)
Suh Cem Pang ; Dept. of Chem., Univ. Malaysia Sarawak, Kota Samarahan, Malaysia ; Wai Hwa Khoh

Stable colloidal suspensions of magnetite and magnetite/starch nanocomposite prepared by the co-precipitation method, and a simple, facile and aqueous-based chemical precipitation method, respectively. Nanoparticulate magnetite thin films on supporting stainless steel plates were prepared by drop-coating followed by heat treatment under controlled conditions. The effects of calcination temperature and atmosphere on the microstructure and electrochemical properties of nanoparticulate magnetite thin films were investigated. Magnetite/carbon nanocomposite thin films were formed from the magnetite/starch nanocomposites after the starch component was carbonized by heat treatment under controlled conditions. The initial content of native sago starch was found to affect the microstructure and electrochemical properties of the resulting magnetite/carbon nanocomposite thin films.

Published in:

Enabling Science and Nanotechnology (ESciNano), 2010 International Conference on

Date of Conference:

1-3 Dec. 2010