Silicon carbide synthesized from plants and its potential applications

Yung-Jen Lin 

Tatung University, Department of Material Engineering (TTU), 40 ChungShan North Road, 3rd Section Taipei 104, R.O.C., Taipei 10461, Taiwan

Abstract

Silicon carbide can be synthesized by a gas-solid reaction between silicon vapor and carbon. After such reaction, the resultant silicon carbide preserved the morphology of starting carbon. Using this process, silicon carbide powder can be synthesized from a powder mixture of Si and carbon black in argon atmosphere. Furthermore, bulk porous silicon carbide can also be synthesized from plant-derived bio-carbon. These bulk porous silicon carbides can be applied as reinforcing skeletons of ceramic-metal composites, or they can be used as free-standing catalyst supports.
In this presentation, I will present our work on the synthesizing of porous silicon carbide from bamboo-derived, rattan-derived and vegetable sponge-derived bio-carbon. The synthesizing parameters and the microstructures will be correlated. I will also describe the results of our attempts in fabricating Al-SiC, Cu-SiC composites using these bulk porous SiC and the catalytic performance of Ni catalysts supported on vegetable sponge-derived SiC.

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Presentation: Oral at E-MRS Fall Meeting 2009, Symposium I, by Yung-Jen Lin
See On-line Journal of E-MRS Fall Meeting 2009

Submitted: 2009-06-02 11:25
Revised:   2009-06-07 00:48
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