Volume 5 Issue 3
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Liou, W.-J., & Lin, H.-M. (2007). Nanohybrid TiO2/carbon black sensor for NO2 gas. China Particuology, 5(3), 225–229. https://doi.org/10.1016/j.cpart.2007.03.005
Nanohybrid TiO2/carbon black sensor for NO2 gas
Wei-Jen Liou a, Hong-Ming Lin a *
a Department of Materials Engineering, Tatung University, Taipei 104, Taiwan, China
10.1016/j.cpart.2007.03.005
Volume 5, Issue 3, June 2007, Pages 225-229
Received 15 September 2006, Accepted 2 March 2007, Available online 6 June 2007.
E-mail: hmlin@ttu.edu.tw

Highlights

Abstract

A nanohybrid sensor of nanosized TiO2-coated carbon black particles, prepared by sol–gel technology for the detection of NO2 gas, has been developed. The response of the electric resistance of the hybrid sensor to NO2 concentration is investigated, showing that the sensitivity of the hybrid sensor is raised as certain ratio of the TiO2 content in the sensor. Easy and cheap to fabricate, the hybrid TiO2/carbon black promises to be a practical sensor for detecting NO2 gas.

Graphical abstract
Keywords

Carbon black; TiO2; Gas sensing; Hybrid