High-yield synthesis of silicon carbide nanowires by solar and lamp ablation

H. Lu, B.C.Y. Chan, X. Wang, Hui Chua, Colin Raston, A. Albu-Yaron, M. Levy, R. Popowitz-Biro, R. Tenne, D. Feuermann, J.M. Gordon

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


We report a reasonably high yield (∼50%) synthesis of silicon carbide (SiC) nanowires from silicon oxides and carbon in vacuum, by novel solar and lamp photothermal ablation methods that obviate the need for catalysis, and allow relatively short reaction times (∼10 min) in a nominally one-step process that does not involve toxic reagents. The one-dimensional core/shell β-SiC/SiOx nanostructures - characterized by SEM, TEM, HRTEM, SAED, XRD and EDS - are typically several microns long, with core and outer diameters of about 10 and 30 nm, respectively. HRTEM revealed additional distinctive nanoscale structures that also shed light on the formation pathways. © 2013 IOP Publishing Ltd.
Original languageEnglish
Pages (from-to)7pp
Issue number33
Publication statusPublished - 2013


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