SiC Nanowires Synthesized by Microwave Heating

doi:10.3724/SP.J.1077.2007.01135

Abstract

Abstract: Large-scale silicon carbide nanowires were prepared by using pure silicon powder and phenolic resin, which were mixed, molded, carbonizated, and then subjected to the microwave heating with a rate of 10℃/min between 1300℃ and 1400℃ in the static argon atmosphere for 0.5--2h. The SiC nanowires were characterized by means of SEM and TEM, the composition of samples were determined through EDX. The prepared nanowires show a core-shell structure with diameters ranging from 20nm to 100 nm. The results show that liquid silicon acts as catalyst and key raw material for preparing SiC nanowires.

Key words: silicon carbide, nanowire, phenol formaldehyde resin, microwave heating

CLC Number:

TB383

LU Bin,LIU Ji-Xuan,ZHU Hua-Wei,JIAO Xian-He. SiC Nanowires Synthesized by Microwave Heating[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2007.01135.

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