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Position-controlled growth of single-walled carbon nanotubes by laser-irradiated chemical vapor deposition

被引：34
作者：
Fujiwara, Y
Maehashi, K
Ohno, Y
Inoue, K
Matsumoto, K
机构：
[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
[2] Japan Sci & Technol Corp, Core Res Evolut Sci & Technol, Kawaguchi, Saitama 3320012, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 4A期
关键词：
single-walled carbon nanotubes; laser-irradiated chemical vapor deposition; position control; local synthesis; Raman spectroscopy; scanning electron microscopy;
D O I：
10.1143/JJAP.44.1581
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Single-walled carbon nanotubes (SWNTs) were synthesized by chemical vapor deposition using Ar-ion laser irradiation as a source of heat. The circular area corresponding to the position of the laser spot in the growing process was characterized by Raman scattering spectroscopy and scanning electron microscopy. The results revealed that SWNTs can be synthesized at exactly controlled positions and localized regions. The regions of SWNT growth strongly depended on the power of the laser; therefore, only suitable power from laser irradiation could synthesize SWNTs over an entire circular area. By making a partial improvement to the apparatus, the optical instrument and the laser power, we finally synthesized SWNTs in an extremely localized area of approximately 5 mu m in diameter.
引用
收藏
页码：1581 / 1584
页数：4
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