Tuning the radial structure of core-shell silicon carbide nanowires

被引:22
|
作者
Negri, M. [1 ,2 ]
Dhanabalan, S. C. [2 ]
Attolini, G. [2 ]
Lagonegro, P. [1 ,2 ]
Campanini, M. [1 ,2 ]
Bosi, M. [2 ]
Fabbri, F. [2 ]
Salviati, G. [2 ]
机构
[1] Univ Parma, I-43121 Parma, Italy
[2] CNR, IMEM, I-43124 Parma, Italy
关键词
GROWTH; NANORODS; SURFACE;
D O I
10.1039/c4ce01381f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The influence of growth conditions on structural properties is reported for core-shell SiC/SiO2 nanowires grown on silicon substrates by a chemical vapour deposition (CVD) technique. Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) studies show a correlation between the growth temperature and the nanowire structure and highlight the possibility to control the inner core diameter by varying the precursor concentration. The nanowire covering of the substrate was considerably enhanced and homogenized using drop casting surfactant-aided deposition of catalysts on an H-terminated silicon 100 surface.
引用
收藏
页码:1258 / 1263
页数:6
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