Synthesis of single-walled carbon nanotubes using hemoglobin-based iron catalyst

被引：5
|
作者：
Kim, Hye-Jin [1 ]
Oh, Eugene [1 ]
Lee, Jaegeun [1 ]
Lee, Kun-Hong [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, Gyungbuk, South Korea
来源：
CARBON | 2012年 / 50卷 / 02期
关键词：
NARROW DIAMETER DISTRIBUTION; NANOPARTICLES; GROWTH; PROTEINS; FERRITIN;
D O I：
10.1016/j.carbon.2011.09.038
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Hemoglobin (Hb) was used as a catalyst for the growth of single-walled carbon nanotubes (SWCNTs). Hb was deposited onto a hydrophilic treated substrate by spin coating method. After oxidation at 800 C, protein chains were decomposed and iron oxide nanoparticles remained with an average diameter of 2.29 nm. High quality SWCNTs were synthesized with an average diameter of 1.22 nm. The protein chains prevent iron atoms aggregation and so the size of the nanoparticles is smaller than that from ferritin-like proteins. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：722 / 726
页数：5
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