Citation: Hong Bo CHEN, Jing Dong LIN, Jun YI, Yun CAI, Guang WEI, Yin Zhong LIN, Dai Wei LIAO. Novel Silicon Nanotubes[J]. Chinese Chemical Letters, ;2001, 12(12): 1139-1140. shu

Novel Silicon Nanotubes

Hong Bo CHEN ^1,4, ,
Jing Dong LIN ¹ ,
Jun YI ² ,
Yun CAI ¹ ,
Guang WEI ¹ ,
Yin Zhong LIN ¹ ,
Dai Wei LIAO ^1,3,4

1.
Department of Chemistry, Xiamen University, Xiamen 361005;
2.
Department of Oceanography, Xiamen University, Xiamen 361005;
3.
State Key Lab of Physical Chemistry on Solid Surfaces, Xiamen University, Xiamen 361005;
4.
Institute of Physical Chemistry, Xiamen University, Xiamen 361005

Received Date: 20 April 2001

Fund Project: This work was supported by the NSF of China (No.29773037, No.29933040 and No.20023001) and the NSF of Fujian province (No.E9910001 and No.E0010006).

Novel silicon nanotubes with inner-diameter of 60-80 nm was prepared using hydrogen-added dechlorination of SiCl₄ followed by chemical vapor deposition (CVD) on a Ni_xMg_yO catalyst. The TEM observation showed that the suitable reaction temperature is 973 K for the formation of silicon nanotubes. Most of silicon nanotubes have one open end and some have two closed ends. The shape of nanoscale silicon, however, is a micro-crystal type at 873 K, a rod or needle type at 993 K and an onion-type at 1023 K, respectively.
- Silicon nanotubes,
- chemical vapor deposition,
- chemical etching
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