An ultraviolet selective photodetector based on a nanocrystalline TiO2 photoelectrochemical cell
Vigil, E., Peter, L. M., Forcade, F., Jennings, J. R., Gonzalez, B., Wang, H., Curbelo, L. and Dunn, H., 2011. An ultraviolet selective photodetector based on a nanocrystalline TiO2 photoelectrochemical cell. Sensors and Actuators A-Physical, 171 (2), pp. 87-92.
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The UV component of solar light is responsible for skin cancer and a number of other skin disorders. An inexpensive and simple ultraviolet (UV) selective photodetector would be convenient to measure the UV exposure. A sealed two-electrode photoelectrochemical cell (PEC) based on a novel double-layer of nanocrystalline TiO2 has been designed and constructed as a UV-selective-sensor. The properties of the sensor, including spectral response, current-voltage characteristics, sensitivity, linearity and response time are reported. The results demonstrate the potential for the use of this low cost UV-photodetector - which does not require UV selective filters - to provide a warning of harmful solar UV-radiation levels.
|Creators||Vigil, E., Peter, L. M., Forcade, F., Jennings, J. R., Gonzalez, B., Wang, H., Curbelo, L. and Dunn, H.|
|Departments||Faculty of Science > Chemistry|
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