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1

Department of Electrical and Computer Engineering, University of British Columbia, Vancouver BC, V6T 1Z4, Canada

2

Department of Materials Engineering, University of British Columbia, Vancouver BC, V6T 1Z4, Canada





*

Author to whom correspondence should be addressed.



Abstract Formaldehyde is a volatile organic compound that is widely used in textiles, paper, wood composites, and household materials. Formaldehyde will continuously outgas from manufactured wood products such as furniture, with adverse health effects resulting from prolonged low-level exposure. New, microfabricated sensors for formaldehyde have been developed to meet the need for portable, low-power gas detection. This paper reviews recent work including silicon microhotplates for metal oxide-based detection, enzyme-based electrochemical sensors, and nanowire-based sensors. This paper also investigates the promise of polymer-based sensors for low-temperature, low-power operation. View Full-Text

Keywords: formaldehyde sensor; MEMS; conducting polymer sensor formaldehyde sensor; MEMS; conducting polymer sensor





Autor: Jonas Flueckiger 1,* , Frank K. Ko 2 and Karen C. Cheung 1

Fuente: http://mdpi.com/



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