ZnO Thick Film Based Opto-electronic Humidity Sensor for a Wide Range of Humidity |
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| Authors: | Shobhna Dixit Anchal Srivastava R K Shukla Atul Srivastava |
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| Affiliation: | (1) Department of Physics, University of Lucknow, Lucknow, 226007, India |
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| Abstract: | Sensitivity of zinc oxide film to humidity is studied using prism based opto-electronic sensor configuration. Film is deposited
on the base of the prism by screen printing. The film is crystalline in nature and has micropores on its surface which is
suitable for humidity sensing. The sensing mechanism, here, is the modulation in emergent light intensity with change in ambient
humidity. Response of the sensor configuration is repeatable and the configuration is found to be sensitive to relative humidity
(RH%) ranging from 5 to 90 RH%. |
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| Keywords: | humidity sensitivity zinc oxide screen printing opto-electronic |
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