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新型两亲性树状大分子在水中有效分散单壁碳纳米管,以及用传统表面活性剂和脂质取代预吸附的树状大分子。

Efficient dispersion of singlewalled carbon nanotubes by novel amphiphilic dendrimers in water and substitution of the pre-adsorbed dendrimers with conventional surfactants and lipids.

机构信息

Interdisciplinary School of Green Energy/Institute of Advanced Materials and Devices, Ulsan National Institute of Science and Technology (UNIST), 100, Banyeon, Ulsan 689-798, South Korea.

出版信息

Chem Commun (Camb). 2010 Nov 14;46(42):7924-6. doi: 10.1039/c0cc02833a. Epub 2010 Sep 14.

DOI:10.1039/c0cc02833a
PMID:20838696
Abstract

A new class of amphiphilic dendrimers, which can be readily adsorbed on the surface of singlewalled carbon nanotubes (SWNTs) to improve their dispersibility in aqueous medium, were synthesized. The adsorbed dendrimers can be replaced by other amphiphiles, such as sodium dodecylbenzene sulfonate (SDBS), sodium dodecylsulfate (SDS), and lysophospholipid (LPC 18 : 0).

摘要

合成了一类新型两亲性树状大分子,可通过静电吸附作用轻易地吸附在单壁碳纳米管(SWNTs)表面,从而提高其在水相中的分散性。所吸附的树状大分子可以被其他两亲分子如十二烷基苯磺酸钠(SDBS)、十二烷基硫酸钠(SDS)和溶血磷脂酰胆碱(LPC 18 : 0)所取代。

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