琼脂糖凝胶电泳法分离金属性和半导体性单壁碳纳米管

引用本文: 朱胜男, 张静, 李清文, 李红波, 金赫华, 宋启军. 琼脂糖凝胶电泳法分离金属性和半导体性单壁碳纳米管[J]. 分析化学, 2012, 40(12): 1839-1844. doi: 10.3724/SP.J.1096.2012.20360 shu

Citation: ZHU Sheng-Nan, ZHANG Jing, LI Qing-Wen, LI Hong-Bo, JIN He-Hua, SONG Qi-Jun. Separation of Metallic Single-walled Carbon Nanotubes and Semiconducting Single-walled Carbon Nanotubes by Agarose Gel Electrophoresis[J]. Chinese Journal of Analytical Chemistry, 2012, 40(12): 1839-1844. doi: 10.3724/SP.J.1096.2012.20360 shu

琼脂糖凝胶电泳法分离金属性和半导体性单壁碳纳米管

朱胜男 ^1, ,
张静 ^1,2, ,
李清文 ^2, ,
李红波 ^2, ,
金赫华 ^2, ,
宋启军 ^{1,
,}

通讯作者: 宋启军

基金项目:
本文系国家自然科学基金(Nos.20903069,21175060)资助项目 (Nos.20903069,21175060)

摘要: 琼脂糖凝胶电泳(AGE)是实现金属性单壁碳纳米管(m-SWCNTs)和半导体性单壁碳纳米管(s-SWCNTs)低成本、规模化分离的有效技术之一。本研究利用琼脂糖凝胶电泳分离单壁碳纳米管。通过紫外-可见-近红外吸收光谱和拉曼光谱对色谱带进行分段表征,发现电泳中迁移的最快的部分m-SWCNTs含量最高。考察了琼脂糖的浓度对SWCNTs中m-SWCNTs分离的影响。结果表明:高的琼脂糖浓度有利于m-SWCNTs的富集,可以通过扩大电荷密度带来的迁移速率的差异来使SWCNTs中的m-SWCNTs得到更有效的分离。

关键词:

English

Separation of Metallic Single-walled Carbon Nanotubes and Semiconducting Single-walled Carbon Nanotubes by Agarose Gel Electrophoresis

1.
¹ School of Chemistry and Material Engineering, Jiangnan University, Wuxi 214000, China;

Corresponding author: 宋启军

Received Date: 06 April 2012
Fund Project:
本文系国家自然科学基金(Nos.20903069,21175060)资助项目

Abstract: The agarose gel electrophoresis(AGE) is one of the low-cost, large scale technologies for the separation of metallic single-walled carbon nanotubes(m-SWCNTs) and semiconducting single-walled carbon nanotubes(s-SWCNTs). The separated m-SWCNTs are divided into several parts and characterized by the UV-visible-near infrared absorption spectrum and the Raman spectrum respectively. The results show that the moieties with the fastest electrophoresis migration rate contain more m-SWCNTs. Furthermore, the effects of different agarose concentrations on the separating efficiencies of SWCNTs are investigated. It is found that higher concentration of agarose gel is beneficial to the enrichment of the m-SWCNTs and the separating efficiency of the m-SWCNTs could be realized by increasing the charge density on the surface of the SWCNTs.

Key words:

Single-walled carbon nanotube
/ Agarose gel electrophoresis
/ Ultraviolet-visible-near infrared absorption spectrum
/ Raman spectrum

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

琼脂糖凝胶电泳法分离金属性和半导体性单壁碳纳米管

通讯作者: 宋启军

English

Separation of Metallic Single-walled Carbon Nanotubes and Semiconducting Single-walled Carbon Nanotubes by Agarose Gel Electrophoresis

Corresponding author: 宋启军

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

琼脂糖凝胶电泳法分离金属性和半导体性单壁碳纳米管

通讯作者: 宋启军

English

Separation of Metallic Single-walled Carbon Nanotubes and Semiconducting Single-walled Carbon Nanotubes by Agarose Gel Electrophoresis

Corresponding author: 宋启军

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

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