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- Title
Schottky Junction Methane Sensors Using Electrochemically Grown Nanocrystalline-Nanoporous ZnO Thin Films.
- Authors
Basu, P. K.; Saha, N.; Jana, S. K.; Saha, H.; Lloyd Spetz, A.; Basu, S.
- Abstract
Nanocrystalline-nanoporous ZnO thin films were prepared by an electrochemical anodization method, and the films were tested as methane sensors. It was found that Pd-Ag catalytic contacts showed better sensing performance compared to other noble metal contacts like Pt and Rh. The methane sensing temperature could be reduced to as low as 100°C by sensitizing nanocrystalline ZnO thin films with Pd, deposited by chemical method. The sensing mechanism has been discussed briefly.
- Subjects
METHANE; CHEMICAL detectors; ELECTROCHEMICAL sensors; GAS detectors; CATALYSTS; THIN films; ZINC oxide; PALLADIUM; BIOSENSORS
- Publication
Journal of Sensors, 2009, p1
- ISSN
1687-725X
- Publication type
Article
- DOI
10.1155/2009/790476