SWNT growth by CVD on Ferritin-based iron catalyst nanoparticles towards CNT sensors

被引：83

作者：

Durrer, L. ^{[1
]}

Helbling, T. ^{[1
]}

Zenger, C. ^{[1
]}

Jungen, A. ^{[1
]}

Stampfer, C. ^{[1
]}

Hierold, C. ^{[1
]}

机构：

[1] ETH, CH-8092 Zurich, Switzerland

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2008年 / 132卷 / 02期

关键词：

ferritin adsorption; Fe2O3; nanoparticles; SWNT growth; CVD; CNT based FET;

D O I：

10.1016/j.snb.2007.11.007

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We investigated the growth of individual single-walled carbon nanotubes (SWNTs) by chemical vapor deposition (CVD) on Ferritin-based Fe catalyst. According to Ferritin adsorption measurements by atomic force microscope (AFM) imaging, we show that the SWNT density on the surface can be controlled by the Ferritin concentration in the adsorption solution, which is important for SWNT integration and avoiding SWNT bundle formation. The grown SWNTs were contacted by Cr/Au layers, structured by electron beam lithography and lift-off, resulting in carbon nanotubes (CNT) based field effect transistors (FET). (c) 2007 Elsevier B.V. All rights reserved.

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收藏

页码：485 / 490

页数：6

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