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Large-scale Synthesis of β-SiC Nanochains and Their Raman/Photoluminescence Properties

Alan Meng1, Meng Zhang2, Weidong Gao2, Shibin Sun2 and Zhenjiang Li2*

Author Affiliations

1 Key Laboratory of Eco-chemical Engineering, Ministry of Education; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 266042 Qingdao, People's Republic of China

2 College of Electromechanical Engineering, Qingdao University of Science and Technology, 266061 Qingdao, People's Republic of China

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Nanoscale Res Lett 2011, 6:34  doi:10.1007/s11671-010-9787-7

Published: 26 September 2010


Although the SiC/SiO2 nanochain heterojunction has been synthesized, the chained homogeneous nanostructure of SiC has not been reported before. Herein, the novel β-SiC nanochains are synthesized assisted by the AAO template. The characterized results demonstrate that the nanostructures are constructed by spheres of 25–30 nm and conjoint wires of 15–20 nm in diameters. Raman and photoluminescence measurements are used to explore the unique optical properties. A speed-alternating vapor–solid (SA-VS) growth mechanism is proposed to interpret the formation of this typical nanochains. The achieved nanochains enrich the species of one-dimensional (1D) nanostructures and may hold great potential applications in nanotechnology.

Nanochain; Chemical vapor reaction; Growth mechanism; Optical property