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Sensors 2006, 6(4), 284-297; doi:10.3390/s6040284
Article

Response Behaviour of a Hydrogen Sensor Based on IonicConducting Polymer-metal Interfaces Prepared by the ChemicalReduction Method

*  and *
Received: 26 July 2005; Accepted: 28 February 2006 / Published: 7 April 2006
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Abstract: A solid-state amperometric hydrogen sensor based on a protonated Nafionmembrane and catalytic active electrode operating at room temperature was fabricated andtested. Ionic conducting polymer-metal electrode interfaces were prepared chemically byusing the impregnation-reduction method. The polymer membrane was impregnated withtetra-ammine platinum chloride hydrate and the metal ions were subsequently reduced byusing either sodium tetrahydroborate or potassium tetrahydroborate. The hydrogen sensingcharacteristics with air as reference gas is reported. The sensors were capable of detectinghydrogen concentrations from 10 ppm to 10% in nitrogen. The response time was in therange of 10-30 s and a stable linear current output was observed. The thin Pt films werecharacterized by XRD, Infrared Spectroscopy, Optical Microscopy, Atomic ForceMicroscopy, Scanning Electron Microscopy and EDAX.
Keywords: Hydrogen sensor; amperometric sensor; porous Pt electrode; chemical reduction method. Hydrogen sensor; amperometric sensor; porous Pt electrode; chemical reduction method.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Sakthivel, M.; Weppner, W. Response Behaviour of a Hydrogen Sensor Based on IonicConducting Polymer-metal Interfaces Prepared by the ChemicalReduction Method. Sensors 2006, 6, 284-297.

AMA Style

Sakthivel M, Weppner W. Response Behaviour of a Hydrogen Sensor Based on IonicConducting Polymer-metal Interfaces Prepared by the ChemicalReduction Method. Sensors. 2006; 6(4):284-297.

Chicago/Turabian Style

Sakthivel, Mariappan; Weppner, Werner. 2006. "Response Behaviour of a Hydrogen Sensor Based on IonicConducting Polymer-metal Interfaces Prepared by the ChemicalReduction Method." Sensors 6, no. 4: 284-297.


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