A MEMS-based ionization gas sensor with ZnO nanorods coated distributed micro-discharge structure

Mao Bo Fang, Xiao Lin Zhao, Jian Hua Li, Zi Wang, Yan Fang Wang, Zhong Yu Hou

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A kind of ionization gas sensor based on the polarization structure was designed and manufactured by MEMS technology. The gas sensor device consists of 3 main parts: the anode electrode, the cathode and the distributed polarization structure array which lie between the former two parts. All parts were coated with ZnO nanorods by a two-step hydrothermal method. Different concentration acetone gas was tested using the device. The results support that the ionization gas sensors exhibit reasonable sensitivity and good repeatability at the applied voltages lower than 4V.

Original languageEnglish
Title of host publicationDesign, Manufacturing and Mechatronics
PublisherTrans Tech Publications
Pages460-465
Number of pages6
ISBN (Print)9783038351016
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event2014 International Conference on Design, Manufacturing and Mechatronics, ICDMM 2014 - Changsha, Hunan, China
Duration: 21 Mar 201423 Mar 2014

Publication series

NameApplied Mechanics and Materials
Volume551
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2014 International Conference on Design, Manufacturing and Mechatronics, ICDMM 2014
Country/TerritoryChina
CityChangsha, Hunan
Period21/03/1423/03/14

Keywords

  • Ionization gas sensor
  • MEMS
  • Polarization structure
  • ZnO nanorods

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