高等学校化学学报2017，Vol.38Issue(7)：1148-1154,7.DOI:10.7503/cjcu20160929
单壁碳纳米管在胆酸类表面活性剂中的分散及手性碳管(6,5)的双水相分离方法
Dispersion of Single-wall Carbon Nanotubes in Bile Salt Surfactants and Separation of SWCNTs(6,5) by Aqueous Two-phase Extraction
摘要
Abstract
Single-wall carbon nanotubes(SWCNTs) have sparked great interests because of their outstanding mechanical,electrical and chemical properties.The dispersion of SWCNTs in solvent is the key of their application.In this article,we investigated the abilities of six types of bile salt surfactants including sodium taurodeoxycholate and sodium deoxycholate to disperse SWCNTs.The results of UV-Vis-NIR absorption spectra show that bile salt surfactants can be used to disperse SWCNTs with a tip sonication at 225 W for 1 h.More SWCNTs can be dispersed in 2%(mass fraction) of sodium taurodeoxycholate solution compared with that in sodium deoxycholate.We also applied an aqueous two-phase solvent system containing polyethyleneglycol/dextran to separate SWCNTs(6,5).The dispersants and separation method proposed in this article provide helpful technical support for preparation of single chirality SWCNTs.关键词
单壁碳纳米管/胆酸类表面活性剂/双水相/分散/分离Key words
Single-wall carbon nanotubes/Bile salt surfactant/Aqueous two-phase system/Dispersion/Separation分类
化学化工引用本文复制引用
徐红梅,李洁,乔云帆,张敏,章弘扬,王月荣,胡坪..单壁碳纳米管在胆酸类表面活性剂中的分散及手性碳管(6,5)的双水相分离方法[J].高等学校化学学报,2017,38(7):1148-1154,7.基金项目
国家自然科学基金(批准号:81573397)、 上海市科委自然科学基金(批准号:15ZR1409400)和中央高校基本科研业务费资助.Supported by the National Natural Science Foundation of China(No.81573397),the Shanghai Natural Science Foundation,China(No.15ZR1409400) and the Fundamental Research Funds from the Central Universities of China. （批准号:81573397）
