A gas nanosensor unaffected by humidity

被引：13

作者：

Zhang, Ting ^{[1
,2
]}

Mubeen, Syed ^{[1
,2
]}

Yoo, Bongyoung ^{[1
,2
]}

Myung, Nosang V. ^{[1
,2
]}

Deshusses, Marc A. ^{[1
,2
,3
]}

机构：

[1] Univ Calif Riverside, Ctr Nanoscale Sci & Engn, Riverside, CA 92521 USA

[2] Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA

[3] Duke Univ, Dept Civil & Environm Engn, Durham, NC 27708 USA

来源：

NANOTECHNOLOGY | 2009年 / 20卷 / 25期

关键词：

CARBON NANOTUBES; SENSOR ARRAY; ELECTRICAL-CONDUCTIVITY; POLYANILINE; NANOPARTICLES; ETHANOL; NO2;

D O I：

10.1088/0957-4484/20/25/255501

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The fabrication of a gas nanosensor for detecting ammonia gas in air that is unaffected by humidity is demonstrated. On functionalizing single-walled carbon nanotube (SWNT) networks with a precise amount of camphorsulfonic-acid-doped polyaniline (PANI(CSA)), the opposite electrical resistance responses of the CSA-doped PANI and SWNTs to humid air effectively canceled each other, thereby eliminating any effects of humidity during sensing experiments. The approach should be widely applicable for eliminating undesirable interferences for gas nanosensors.

引用

页数：5

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