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Reference type: Journal
Authors: Zhang YM, Liu QJ, Zhang J, Zhu Q, Zhu ZQ
Article Title: A highly sensitive and selective formaldehyde gas sensor using a molecular imprinting technique based on Ag-LaFeO3.
Publication date: 2014
Journal: Journal of Materials Chemistry C
Volume: 2
Issue: (47)
Page numbers: 10067-10072.
DOI: 10.1039/C4TC01972E

Abstract: A novel formaldehyde gas sensor has been developed for the first time using a molecular imprinting technique (MIT) in semiconductor oxides to recognize small organic molecules. For specific recognition, the as-prepared molecularly imprinted nanoparticles exhibit good selectivity for formaldehyde. The molecularly imprinted nanoparticles were mixed with Ag-LaFeO3 to form a compound. The compound with small dimensions and good dispersity possesses an extremely high surface-to-volume ratio. Therefore the compound exhibits even better formaldehyde-sensing properties. At 40 �C, the response to 0.5 ppm formaldehyde based on the compound is 24.5, and is lower than 3.0 to the other test gases. The response time and recovery time are 67 s and 104 s, respectively
Template and target information: formaldehyde

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