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
收藏
页码：1142 / 1146
页数：5
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