垂直定向螺旋碳纳米管阵列的大量合成

张继成; 唐永建; 易勇; 马康夫; 周民杰; 吴卫东; 王朝阳

doi:10.1016/S1872-5805(16)60032-X

垂直定向螺旋碳纳米管阵列的大量合成

doi: 10.1016/S1872-5805(16)60032-X

1.
中国工程物理研究院激光聚变研究中心, 四川绵阳 621900;
2.
西南科技大学材料科学与工程学院, 四川绵阳 621010

基金项目: 国家自然科学基金（60908023，11075143/A050609）；中国工程物理研究院超精密加工技术重点实验室基金（ZZ15003）.

详细信息

作者简介:
张继成,博士,副研究员.E-mail:zhangjccaep@126.com

通讯作者:
张继成,博士,副研究员.E-mail:zhangjccaep@126.com

中图分类号: TQ127.1⁺1
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- 被引次数: 0
出版历程
- 收稿日期: 2016-09-29
- 录用日期: 2016-12-26
- 修回日期: 2016-12-03
- 刊出日期: 2016-12-28

Large-scale synthesis of novel vertically-aligned helical carbon nanotube arrays

1.
Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;
2.
College of Material Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China

Funds: National Natural Science Foundation of China (60908023, 11075143/A050609); Key Laboratory of Ultra-Precision Machining Technology Foundation of CAEP (ZZ15003).

摘要

摘要: 以二甲苯作为碳源、二茂铁作为催化剂前驱体，采用催化裂解法大规模合成了具有不同螺距和螺旋直径、垂直于基底生长的碳纳米管阵列。通过拉曼光谱和高分辨透射电镜测试分析，结果表明，所制备的碳纳米管阵列分布均匀、石墨化程度高，且沿其长度方向具有不同的螺距和螺旋直径。由于在碳纳米管的生长过程中，会伴随着碳五环、碳七环与碳六环的生成，而碳六环是形成石墨晶格的基本结构单元。当碳六环网络结构中出现碳五环和碳七环时，螺旋形的碳纳米管就会形成。实验中螺旋形碳纳米管的产率约为4.5 mg/cm²·h。螺旋形碳纳米管在高性能传感器、谐振器、纳米机械弹簧、电感等纳米电子器件中具有潜在的应用价值。
- 螺旋形碳纳米管 /
- 螺距 /
- 碳六环
Abstract: The large-scale synthesis of vertically-aligned carbon nanotube arrays with different helical pitches and diameters was achieved using the floating catalyst method. Results indicate that they are aligned perpendicular to the substrate surface and have a well-graphitized structure and their growth is accompanied by the production of pentagonal, heptagonal and hexagonal carbon rings. The hexagonal carbon ring is the basic structure unit to form the graphite lattice. When paired pentagon-heptagon atomic rings arrange themselves periodically within the hexagonal carbon network, helical carbon nanotubes are formed. The growth rate of the helical carbon nanotubes is about 4.5mg/cm²·h.
- Helical carbon nanotube /
- Helical pitch /
- Hexagonal carbon ring

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