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Sputter deposited ZnO porous films for sensing applications

  • Michał A. Borysiewicz
  • , Elzbieta Dynowska
  • , Valery Kolkovsky
  • , Maciej Wielgus
  • , Krystyna Gołaszewska
  • , Eliana Kamińska
  • , Marek Ekielski
  • , Przemysław Struk
  • , Tadeusz Pustelny
  • , Anna Piotrowska
  • Institute of Microelectronics and Photonics
  • Institute of Physics of the Polish Academy of Sciences
  • Warsaw University of Technology
  • Silesian University of Technology

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

6 Citations (Scopus)

Abstract

Nanoporous ZnO films are fabricated using a two step approach: sputter deposition of porous Zn followed by an ex-situ annealing in an oxygen flow at 400°C. The created structures have a porosity of 34% enabling use in surface-based absorption sensors. The films are used in a resistance-based sensor allowing easy discrimination between liquid methanol and ethanol by resistance measurements and also in a transmission-based sensor to detect NO2, NH3 and H2 gases in concentration as low as 500 ppm.

Original languageEnglish
Title of host publicationOxide Semiconductors and Thin Films
Pages71-76
Number of pages6
DOIs
Publication statusPublished - 2013
Event2012 MRS Fall Meeting - Boston, MA, United States
Duration: 25 Nov 201230 Nov 2012

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1494
ISSN (Print)0272-9172

Conference

Conference2012 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA
Period25/11/1230/11/12

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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