Electrospun PPY.DBSA/PVA Nanofibers for Ammonium Gas Sensor

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)...

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Bibliographic Details
Published in:	Materials research (São Carlos, São Paulo, Brazil) Vol. 24; no. suppl 1
Main Authors:	Gois, Bruno Henrique Santana, Bittencourt, Jessyka Carolina, David-Parra, Diego Noé, Olivati, Clarissa de Almeida, Merlini, Claudia, Agostini, Deuber Lincon da Silva
Format:	Journal Article
Language:	English
Published:	ABM, ABC, ABPol 01-01-2021 Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
Subjects:	conjugated polymer electrospinning ENGINEERING, CHEMICAL gas sensor MATERIALS SCIENCE, MULTIDISCIPLINARY METALLURGY & METALLURGICAL ENGINEERING nanofibers gas sensor electrospinning conjugated polymer nanofibers
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Summary:	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.
ISSN:	1516-1439 1980-5373 1980-5373
DOI:	10.1590/1980-5373-mr-2021-0031