碳纳米管
范德瓦尔斯力
水溶液
材料科学
聚合物
吸附
色散(光学)
纳米技术
胶体
化学工程
碳纤维
化学物理
化学
复合材料
分子
物理化学
有机化学
物理
光学
工程类
作者
Rajdip Bandyopadhyaya,Einat Nativ-Roth,Oren Regev,Rachel Yerushalmi-Rozen
出处
期刊:Nano Letters
[American Chemical Society]
日期:2002-01-01
卷期号:2 (1): 25-28
被引量:683
摘要
Single-wall carbon nanotubes pack into crystalline ropes that aggregate into tangled networks due to strong van der Waals attraction. Aggregation acts as an obstacle to most applications, and diminishes the special properties of the individual tubes. We describe a simple procedure for dispersing as-produced nanotubes powder in aqueous solutions of Gum Arabic. In a single step, a stable dispersion of full-length, well separated, individual tubes is formed, apparently due to physical adsorption of the polymer.
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