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- Title
Trial of an All-Ceramic SnO2 Gas Sensor Equipped with CaCu3Ru4O12 Heater and Electrode.
- Authors
Tsuruta, Akihiro; Itoh, Toshio; Mikami, Masashi; Kinemuchi, Yoshiaki; Terasaki, Ichiro; Murayama, Norimitsu; Shin, Woosuck
- Abstract
We have constructed a gas sensor of SnO2 equipped with ceramic electrodes and a heater made of CaCu3Ru4O12, which demonstrated good device performance at high temperature. The CaCu3Ru4O12-based electrodes and heater were formed on Al2O3 substrates using a screen-printing process, which is cost-effective and suitable for mass-production. This all-ceramic device reached 600 °C at the lowest, and remained intact after one week of operation at 500 °C and rapid thermal cycling of 500 °C temperature changes within 10 s. We propose CaCu3Ru4O12 as a robust and reliable conducting material that can be a substitute for Pt in various devices.
- Subjects
STANNIC oxide; ELECTRODES; CERAMIC materials; THERMOCYCLING; MATERIALS science
- Publication
Materials (1996-1944), 2018, Vol 11, Issue 6, p981
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma11060981