Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature

doi:10.1088/1674-1056/28/3/036801

中国物理B ›› 2019, Vol. 28 ›› Issue (3): 36801-036801.doi: 10.1088/1674-1056/28/3/036801

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature

Xiao-Na Ren(任晓娜), Min Xia(夏敏), Qing-Zhi Yan(燕青芝), Chang-Chun Ge(葛昌纯)

School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China

收稿日期:2018-08-20 修回日期:2019-01-10 出版日期:2019-03-05 发布日期:2019-03-05
通讯作者: Xiao-Na Ren, Min Xi, Chang-Chun Ge E-mail:renxn@ustb.edu.cn;xmdsg@ustb.edu.cn;ccge@mater.ustb.edu.cn

Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature

Xiao-Na Ren(任晓娜), Min Xia(夏敏), Qing-Zhi Yan(燕青芝), Chang-Chun Ge(葛昌纯)

School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China

Received:2018-08-20 Revised:2019-01-10 Online:2019-03-05 Published:2019-03-05
Contact: Xiao-Na Ren, Min Xi, Chang-Chun Ge E-mail:renxn@ustb.edu.cn;xmdsg@ustb.edu.cn;ccge@mater.ustb.edu.cn

摘要/Abstract

摘要：

Carbon nanotubes (CNTs) have the ideal structure to be used as templates for nanomaterials, especially for nanowires, and the tungsten nanowire is an important nanomaterial that is used as a strengthening phase. Therefore, we have proposed to apply mesoporous CNT (mCNT) as a template to prepare tungsten nanowires. However, the tungsten precursor should fill the hollow tube of mCNT firstly, and very few related studies have been reported. In this paper, we have systematically studied the filling process of ammonium metatungstate (AMT) aqueous solution. The results reveal that owing to the mesopores in the mCNT sidewall, the AMT can be encapsulated into the tube at room temperature (RT) and we can fully fill it without destroying the structure. In addition, vibration and solute concentration are also important factors. Besides, the mesoporous sidewall and hollow tubular core structure of mCNT are prerequisites to realize full filling. Furthermore, tungsten nanowires have been obtained after reduction of AMT in mCNTs.

关键词: mesoporous carbon nanotube (mCNT), capillarity, aqueous solution, tungsten nanowire

Abstract:

Key words: mesoporous carbon nanotube (mCNT), capillarity, aqueous solution, tungsten nanowire

中图分类号: (Surface tension and related phenomena)

68.03.Cd

62.10.+s (Mechanical properties of liquids) 61.48.De (Structure of carbon nanotubes, boron nanotubes, and other related systems) 81.20.-n (Methods of materials synthesis and materials processing)

任晓娜, 夏敏, 燕青芝, 葛昌纯. Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature[J]. 中国物理B, 2019, 28(3): 36801-036801.

Xiao-Na Ren(任晓娜), Min Xia(夏敏), Qing-Zhi Yan(燕青芝), Chang-Chun Ge(葛昌纯). Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature[J]. Chin. Phys. B, 2019, 28(3): 36801-036801.

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Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature

Full filling of mesoporous carbon nanotubes by aqueous solution at room temperature

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