Sensor Photoresponse of Thin-Film Oxides of Zinc and Titanium to Oxygen Gas
Source abstract
Abstract
Response of steady‐state photoconductivity to changes in oxygen partial pressure ( to 1 atm) has been quantitatively studied in thin‐film polycrystalline and ZnO at 80–120°C. The magnitude of photoconductivity varied as a square root of illumination intensity regardless of oxygen pressure. Both materials showed fast response to oxygen, although in different pressure ranges. Zinc oxide was more sensitive to lower oxygen pressures while titanium dioxide worked better at pressures close to 1 atm. © 2000 The Electrochemical Society. All rights reserved.
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Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · ZnO doping and properties · Electronic and Structural Properties of Oxides
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