Strong p-Type Doping of Individual Carbon Nanotubes by Prussian Blue Functionalization

被引：46

作者：

Forment-Aliaga, Alicia ^{[1
]}

Weitz, Ralf Thomas ^{[1
]}

Sagar, Adarsh S. ^{[1
]}

Lee, Eduardo Jian Hua ^{[1
]}

Konuma, Mitsuharu ^{[1
]}

Burghard, Marko ^{[1
]}

Kern, Klaus ^{[1
,2
]}

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[2] Ecole Polytech Fed Lausanne, Inst Phys Nanostruct, CH-1015 Lausanne, Switzerland

来源：

SMALL | 2008年 / 4卷 / 10期

关键词：

carbon nanotubes; doping; electrodeposition; Prussian blue;

D O I：

10.1002/smll.200800803

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The strong p-type doping of individual carbon nanotubes by Prussian Blue functionalization was investigated. single-walled carbon nanotubes were synthesized by iron particle-catalyzed chemical vapor deposition (CVD) on highly doped Si/SiO2 substrates. Individual nanotubes were located with the aid of an atomic force microscope in tapping mode, and provided with 0.3 nm/15 nm Ti/AuPd contacts defined by standard electron-beam lithography. electrode position of PB was performed with a Solartron 1285 potentiostat. The samples were removed from the cell, rinsed and dipped in 10 mM Hcl, thoroughly rinsed with water, and finally dried under nitrogen flow. It was observed that the functionalization of individual SWCNTs by electrodeposition of Prussian Blue (PB) leaves metallic tubes unaffected, whereas semiconducting tubes are strongly p-doped.

引用

页码：1671 / 1675

页数：5

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