Carbon nanotube - Polymer nanocomposite infrared sensor

被引：166

作者：

Pradhan, Basudev ^{[1
]}

Setyowati, Kristina ^{[1
]}

Liu, Haiying ^{[2
]}

Waldeck, David H. ^{[3
]}

Chen, Jian ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Chem & Biochem, Milwaukee, WI 53211 USA

[2] Michigan Technol Univ, Dept Chem, Houghton, MI 49931 USA

[3] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA

来源：

NANO LETTERS | 2008年 / 8卷 / 04期

关键词：

D O I：

10.1021/nl0732880

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The infrared photoresponse in the electrical conductivity of single-walled carbon nanotubes (SWNTs) is dramatically enhanced by embedding SWNTs in an electrically and thermally insulating polymer matrix. The conductivity change in a 5 wt % SWNT-polycarbonate nanocomposite is significant (4.26%) and sharp upon infrared illumination in the air at room temperature. While the thermal effect predominates in the infrared photoresponse of a pure SWNT film, the photoeffect predominates in the infrared photoresponse of SWNT-polycarbonate nanocomposites.

引用

页码：1142 / 1146

页数：5

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