Novel Microwave-Assisted Synthesis of Renewable-Resource Based Carbon-Magnetite Nanocomposites

Magnetic carbon-iron oxide nanoparticles have been synthesized using tannin, a renewable resource material, in combination with a microwave-based thermolytic process without the addition of any inert or reducing gas during the synthesis. The predominant iron oxide species present in these particles...

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Bibliographic Details
Published in:Journal of wood chemistry and technology 2012-07, Vol.32 (3), p.268-278
Main Authors: Finlay, Chris, Gunawan, Gunawan, Biris, Alexandru S., Bourdo, Shawn, Kunets, Vasyl, Salamo, Greg, Viswanathan, Tito
Format: Article
Language:English
Subjects:
iron oxide
magnetite, magnetic
microwave
Nanocomposite
nanoparticle
renewable
tannin
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Summary:Magnetic carbon-iron oxide nanoparticles have been synthesized using tannin, a renewable resource material, in combination with a microwave-based thermolytic process without the addition of any inert or reducing gas during the synthesis. The predominant iron oxide species present in these particles has been determined by XRD and FT-IR to be magnetite (Fe₃O₄). These iron oxide nanoparticles are embedded within a carbon matrix in small clusters generally ≤100 nm in size. The resulting powder is approximately 48% (w/w) magnetite, and has been characterized by magnetic susceptibility and SQUID analysis.
ISSN:1532-2319
0277-3813
1532-2319
DOI:10.1080/02773813.2012.659320