Bolometric detector on the basis of single-wall carbon nanotube/polymer composite

被引：55

作者：

Aliev, Ali E. ^{[1
]}

机构：

[1] Univ Texas Dallas, NanoTech Inst, Richardson, TX 75083 USA

来源：

INFRARED PHYSICS & TECHNOLOGY | 2008年 / 51卷 / 06期

关键词：

Bolometer; Carbon nanotubes; Polymer composite; Thermal conductivity;

D O I：

10.1016/j.infrared.2008.06.003

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Infrared imaging sensors that operate without cryogenic cooling have the potential to provide the military or civilian users with infrared vision capabilities packaged in a camera of extremely small size, weight and power consumption. We present here the uncooled bolometric sensor on the basis of single-walled carbon nanotubes (SWNTs) polymer composite with enhanced sensitivity. The voltage responsivity of device working at room temperatures exceeds 150 V/W. The absorption coefficient of single-wall carbon nanotubes was increased by involving Forster type energy transfer from polymer film to dispersed SWNT. The temperature gradient of resistivity was substantially improved by chemical functionalization of SWNT. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：541 / 545

页数：5

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