A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide the late 1990s Underwriters Laboratories changed the definition of a single station CO detector with a sound device to carbon monoxide (CO) applies to all CO safety alarms that meet UL 2034 standard; however for passive indicators ...
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Electrical and gas sensing properties of TiO 2 /GO nanocomposites for CO 2 sensor application Pitchanunt Chaiyo, Benchamat Duangsing, Orathai Thumthan, Jeerapat Nutariya and Supakorn Pukird* Department of Physics, Faculty of Science, Ubon Ratchathani University 34190, Thailand E-mail corresponding author: [email protected] Abstract. Titanium dioxide (TiO 2) nanostructures …
Abstract Nanocrystalline has been prepared by the citrate method. The structure, electrical and CO gas-sensing properties were investigated. The results demonstrated that is a perovskite phase with the orthorhombic structure, it shows p-type semiconducting properties. In a wide temperature range of 40–200 °C, …
Abstract The perovskite structure of La Sr Co 1− x Ni x O 3− δ film can be formed in a wide range between 0≦ x ≦ by the dipping method. The distortion of the perovskite structure is described with changing Ni content. The influence of Ni ions which replaced the Co ions on B-sites can be directly observed from its electrical and sensing properties to CO gas.
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· Ultrafine powders of La Pb Fe 1−x Co x O 3 were prepared by a citric method. The structure, electrical and CO gas-sensing properties were investigated. X-ray diffraction
Monitoring and detecting carbon monoxide (CO) are critical because this gas is toxic and harmful to the ecosystem. In this respect, designing high-performance gas sensors for CO detection is necessary. Zinc oxide-based materials are promising for use as CO sensors, owing to their good sensing response, electrical performance, cost-effectiveness, long-term stability, low power consumption, ease ...
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Request PDF | On Jan 1, 2012, Kim and others published Electrical and CO-sensing properties of perovskite oxide | Find, read and cite all the research you need on ResearchGate
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· The effects of microstructure and composition were discussed to explain the observed electrical conductivity and CO gas sensing properties of the composites. 2. Experimental procedureAppropriate amount of tin oxide (Aldrich, %) and zinc oxide (Aldrich, %) powders were ball-milled with zirconia ball in ethanol for 12 h. After drying, the powder was uniaxially pressed into …
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Electrical and CO-sensing properties of NdFe 1-x Co x O 3 perovskite system. Author links open overlay panel ZHANG Ru a HU Jifan a HAN Zhouxiang a ZHAO Ma a WU Zhanlei a ZHANG Yongjia b QIN Hongwei b ZHANG Ru a HU Jifan a HAN Zhouxiang a ZHAO …
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Request PDF | Electrical and CO-sensing properties of SmFe 3 perovskite oxide | In this work, nanocrystalline powders of perovskite-type compounds SmFe1−xCoxO3 (x=0, ) were ...
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· The electrical properties and CO-sensing characteristics of the La FeO 3 were also investigated. The results demonstrated that the La FeO 3 was a p-type semiconductor material. Compared with LaFeO 3, the conductance of La FeO 3 was better than that of LaFeO 3.
the electrolyte and/or the sensing electrode, one can achieve the selectivity towards the target gas, but the sensitivity may be reduced. In summary, different electrochemical sensors may appear very similar, but are constructed with differ-ent materials including such critical elements as sens-ing electrodes, electrolyte composition, and porosity of hydrophobic barriers. Additionally, some ...
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· Studies on electrical properties and CO-sensing characteristics of La FeO 3. Journal of Rare Earths, 29 (2011), pp. 374-377. Article Download PDF View Record in Scopus Google Scholar. Niu, Du, Du. Preparation, characterization and gas-sensing properties of rare earth mixed oxides. Sensors and Actuators B, 99 (2004), pp. 399-404. Article Download PDF View …
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