Low temperature synthesis of single crystalline silicon nanowires using anodic aluminum oxide template

被引:5
|
作者
Liu, Chien-Wei [1 ]
Kuo, Cheng-Yung
Wang, Chuan-Po
Shiau, Shiuan-Hua
Gau, Chie
Dai, Bau-Tong
机构
[1] So Reg Ctr, Natl Nano Device Labs, Tainan 701, Taiwan
[2] Natl Cheng Kung Univ, Inst Aeronaut & Astronaut, Tainan 701, Taiwan
[3] Ctr Micro Nano Sci & Technol, Tainan 701, Taiwan
关键词
silicon nanowire array; VLS process; low temperature process; AAO template; nanomaterials;
D O I
10.1143/JJAP.46.6343
中图分类号
O59 [应用物理学];
学科分类号
摘要
Single crystalline slilicon nanowires (SiNWs) arrays were grown successfully on a silicon substrate by the chemical vapor deposition (CVD) process at a very low temperature of 400 degrees C. This was made possible by combined use of gold nanoparticles as catalyst and anodic aluminum oxide (AAO) as template. The AAO template was fabricated on the substrate with predeposited gold nanoparticles. Various analytical instruments were used to identify and discuss the growth mechanism and the structure of the SiNWs. The energy dispersive X-ray spectrometer (EDS) spectrum of a single SiNW shows existence of alumina in the gold metal tip. This clearly indicates participation of AAO in the metal tip to enhance the growth process. Further discussion on the measurement results for the crystalline structure of the SiNWs is presented.
引用
收藏
页码:6343 / 6345
页数:3
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