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Nanoelectronic carbon dioxide sensors

被引：233
作者：
Star, A [1 ]
Han, TR
Joshi, V
Gabriel, JCP
Grüner, G
机构：
[1] Nanomix Inc, Emeryville, CA 94608 USA
[2] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA
来源：
ADVANCED MATERIALS | 2004年 / 16卷 / 22期
关键词：
D O I：
10.1002/adma.200400322
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon nanotube field-effect transistors (NTFETs) coated with poly(ethyleneimine) (PEI) and starch polymers exhibit electrical conductance changes upon exposure to CO2 gas in air at ambient temperature (see Figure). This observation has furnished nanoelectronic CO2 sensors. Their small size and low power consumption has enormous potential in wireless sensing for industrial and medical CO2 sensor units.
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页码：2049 / +
页数：5
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