Transport properties of alkali-doped single-wall carbon nanotube mats

被引：7

作者：

Barberio, M. ^{[1
]}

Barone, P. ^{[1
]}

Bonanno, A. ^{[1
]}

Carnarca, M. ^{[1
]}

Masciari, E. ^{[1
]}

Oliva, A. ^{[1
]}

Xu, F. ^{[1
]}

机构：

[1] Univ Calabria, Dept Phys, Ist Nazl Fis Nucl, Res Unit Cosenza, I-87036 Arcavacata Di Rende, Italy

来源：

SUPERLATTICES AND MICROSTRUCTURES | 2009年 / 46卷 / 1-2期

关键词：

Carbon Nanotubes; Alkali doping; Electrical transport; ELECTRONIC-PROPERTIES;

D O I：

10.1016/j.spmi.2008.10.027

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In this paper we present a study of transport properties modification of Single-Wall Carbon Nanotubes (SWNT) interacting with the most common used alkali metals. We report resistivity measurements of SWNT mats as a function of Na, K, Cs and Li doping. Our results show that as alkali exposure increases, the doped sample resistance decreases, denoting a progressive sample metallization. Furthermore, the resistivity depends upon the deposited alkali species. We hypothesize that both atomic radius and specific conductivity of doping species can affect the transport properties. (C) 2008 Elsevier Ltd. All rights reserved.

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收藏

页码：369 / 373

页数：5

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