Electrospun ppy.dbsa/pva nanofibers for ammonium gas sensor
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Undergraduate course
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Abstract
This work presents the results obtained in the production of poly (vinyl alcohol) (PVA) nanofibers with different concentrations of polypyrrole (PPy) doped with dodecylbenzene sulfonic acid (DBSA) - PPy.DBSA. The morphology of the nanofibers was studied by scanning electron microscopy (SEM) technique. The nanofibers were deposited on interdigitated electrodes (IDEs) for direct current electrical characterization (DC) and tested as ammonia gas sensors. The results showed a rapid detection of ammonia gas for higher concentrations of PPy.DBSA and for several alternating cycles in atmospheric N2.
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Keywords
Conjugated polymer, Electrospinning, Gas sensor, Nanofibers
Language
English
Citation
Materials Research, v. 24.
