| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10410967 | Sensors and Actuators B: Chemical | 2005 | 6 Pages |
Abstract
A novel conductive polyaniline is synthesized using poly(4-styrenesulfonate-co-maleic acid) as counter ion and template. The resistance of this electroactive polymer increases in the presence of gases such as ammonia. This transducing property is exploited and spin-cast film of this material on glass substrate is established as ammonia gas sensor module, for gas concentrations in the range 5-250Â ppm. In this range, the response and recovery times are typically 50-1000Â s. The resistance response (R/R0) at short time scales of about 150Â s, is shown to vary linearly with the ammonia concentration.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
G.K. Prasad, T.P. Radhakrishnan, D. Sravan Kumar, M. Ghanashyam Krishna,