Dual UV light and CO gas sensing properties of ZnO/ZnS hybrid nanocomposite

Yu Sheng Tsai, Xin Dai Lin, Yew Chung Sermon Wu, Hsiang Chen, Jung Han

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

In this study, ZnO/ZnS nanocomposite-based dual UV light/CO gas sensing devices have been demonstrated for the first time. To characterize the nanocomposites, multiple material characterizations indicated ZnS/ZnO core-shell rods were successfully formed on SiO2 substrates. Moreover, CO gas sensing and UV light detection measurements both revealed that incorporation of a ZnS shell on ZnO nanorods (NRs) can effectively increase gas sensing and light detection capabilities. Owing to their compact size, low cost, and simple fabrication, ZnO/ZnS NR-based gas and light dual-sensing devices show promises in hazardous gas and light monitoring.

Original languageEnglish
Pages (from-to)11040-11045
Number of pages6
JournalIEEE Sensors Journal
Volume21
Issue number9
DOIs
StatePublished - 1 May 2021

Keywords

  • CO gas
  • dual sensing
  • Electrodes
  • free carriers
  • II-VI semiconductor materials
  • nanocomposites
  • Nanoscale devices
  • Photonics
  • Sensitivity
  • Sensors
  • UV light
  • Zinc oxide
  • ZnO/ZnS

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