Template Synthesis and Growth Mechanism of Metal Nanowire/Carbon Nanotube Heterojunctions
文献类型：期刊论文
| 作者 | Niu, ZQ ; Zhou, WY ; Ma, WJ ; Dong, HB ; Li, JZ ; Zhang, XX ; Zeng, QS ; Xie, SS |
| 刊名 | JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
 |
| 出版日期 | 2010 |
| 卷号 | 10期号:11页码:7583 |
| 关键词 | FILLED CARBON NANOTUBES AMORPHOUS-CARBON ARRAY |
| ISSN号 | 1533-4880 |
| 通讯作者 | Zhou, WY (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | Copper (Cu) and Cobalt (Co) with remarkable difference in the catalytic activity for the growth of carbon nanotubes (CNTs) have been used to prepare metal-nanowire/CNT heterojunctions. The ordered arrays of Cu nanowire/CNT (CuNW/CNT) and Co nanowire/CNT (CoNW/CNT) heterojunctions were prepared by combining electrochemical deposition and chemical vapor deposition. The interfaces between CNTs and Cu or Co nanowires have been examined and compared. At the interface of CuNW/CNT heterojunction, the tip of CuNW is encapsulated by carbon material (named "cap") and connected the CNT consisting of amorphous carbon (a-C). Two-segment CuNW/amorphous CNT (CuNW/a-CNT) hybrid nanostructure was obtained for the CuNW/CNT heterojunctions due to low catalytic activity of Cu. It is also interesting that a hollow gap was observed between the "cap" and the CuNW. By contrast with the case of Cu, multi-walled CNT (MWCNT) was achieved and no hollow gap was observed at the interface of CoNW/CNT heterojunctions. Three-segment CoNW/MWCNT/a-CNT hybrid nanostructure was observed for the CoNW/CNT heterojunctions because of high catalytic activity of Co. Because no stable copper carbides are observed, we infer that the growth mechanism of CuNW/CNT heterojunctions is different from that of CoNW/CNT. Possible growth models of CuNW/CNT and CoNW/CNT heterojunctions are proposed based on experimental results, respectively. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-23 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/44826]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Niu, ZQ,Zhou, WY,Ma, WJ,et al. Template Synthesis and Growth Mechanism of Metal Nanowire/Carbon Nanotube Heterojunctions[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2010,10(11):7583. |
| APA | Niu, ZQ.,Zhou, WY.,Ma, WJ.,Dong, HB.,Li, JZ.,...&Xie, SS.(2010).Template Synthesis and Growth Mechanism of Metal Nanowire/Carbon Nanotube Heterojunctions.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,10(11),7583. |
| MLA | Niu, ZQ,et al."Template Synthesis and Growth Mechanism of Metal Nanowire/Carbon Nanotube Heterojunctions".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 10.11(2010):7583. |
入库方式： OAI收割
来源：物理研究所
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