TY - JOUR
T1 - A simple synthesis of large-scale SiC-SiO2 nanocables by using thermal decomposition of methanol
T2 - Structure, FTIR, Raman and PL characterization
AU - Kim, Ryongjin
AU - Qin, Weiping
AU - Wei, Guodong
AU - Wang, Goufeng
AU - Wang, Lili
AU - Zhang, Daisheng
AU - Zheng, Kezhi
AU - Liu, Ning
PY - 2009/9/1
Y1 - 2009/9/1
N2 - Large-scale SiC nanocables were synthesized on a Ni(NO3)2-catalyzed Si substrate by using a simple and cheap method based on thermal decomposition of methanol. Based on X-ray diffraction and high-magnification transmission electron microscopy, the as-grown nanocables consisted of crystalline SiC cores and amorphous SiO2 shells. The diameters of SiC cores were 5.7-10 nm and the thicknesses of SiO2 shells were 9-20 nm. Dividing of nanocables was observed and its origin was investigated. An asymmetric feature of SiC TO band with a shoulder at the high-frequency side was attributed to the contribution of SiC TO mode. The nanocables displayed strong violet-blue emission. A possible growth mechanism was proposed.
AB - Large-scale SiC nanocables were synthesized on a Ni(NO3)2-catalyzed Si substrate by using a simple and cheap method based on thermal decomposition of methanol. Based on X-ray diffraction and high-magnification transmission electron microscopy, the as-grown nanocables consisted of crystalline SiC cores and amorphous SiO2 shells. The diameters of SiC cores were 5.7-10 nm and the thicknesses of SiO2 shells were 9-20 nm. Dividing of nanocables was observed and its origin was investigated. An asymmetric feature of SiC TO band with a shoulder at the high-frequency side was attributed to the contribution of SiC TO mode. The nanocables displayed strong violet-blue emission. A possible growth mechanism was proposed.
KW - A1. Characterization
KW - A2. Nanostructure
KW - B1. Nanomaterials
KW - B2. Semiconducting silicon compounds
UR - http://www.scopus.com/inward/record.url?scp=69149106954&partnerID=8YFLogxK
U2 - 10.1016/j.jcrysgro.2009.07.017
DO - 10.1016/j.jcrysgro.2009.07.017
M3 - Article
AN - SCOPUS:69149106954
SN - 0022-0248
VL - 311
SP - 4301
EP - 4305
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
IS - 18
ER -