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Reference type: Journal
Authors: Debliquy M, Dony N, Lahem D, Tang X, Zhang C, Raskin JP, Olivier MG
Article Title: Acetaldehyde Chemical Sensor based on Molecularly Imprinted Polypyrrole.
Publication date: 2016
Journal: Procedia Engineering
Volume: 168
Page numbers: 569-573.
DOI: 10.1016/j.proeng.2016.11.527
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1877705816338498

Abstract: This paper presents a chemical sensor based on molecularly imprinted polypyrrole for acetaldehyde detection. This molecule belongs to the family of volatile organic compounds (VOC's) and is known for its toxicity. The sensor working principle is the measurement of conductivity variations of polypyrrole films deposited on interdigitated electrodes. The molecularly imprinted polypyrrole (MIP) films are deposited on the electrodes by direct electropolymerization in a bath containing pyrrole monomer, acetonitrile as solvent and acetaldehyde as template. Non imprinted polypyrrole (NIP) films are prepared in the same conditions without template. The behaviour of both films is compared by mass adsorption measurements using a quartz crystal microbalance and impedance measurements as well. The MIP-based sensors show a rapid and reversible response to acetaldehyde in the ppm range while NIP gives an insignificant signal
Template and target information: acetaldehyde


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