An ultraviolet selective photodetector based on a nanocrystalline TiO2 photoelectrochemical cell

Elena Vigil, Laurence M Peter, Fresnel Forcade, James R Jennings, Bernardo Gonzalez, Hongxia Wang, Larisa Curbelo, Halina Dunn

Research output: Contribution to journalArticle

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Abstract

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.
LanguageEnglish
Pages87-92
Number of pages6
JournalSensors and Actuators A-Physical
Volume171
Issue number2
DOIs
StatusPublished - Nov 2011

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Photoelectrochemical cells
Photodetectors
photometers
Skin
warning
sensors
Sensors
Current voltage characteristics
Solar radiation
cells
spectral sensitivity
Ultraviolet radiation
ultraviolet radiation
linearity
cancer
disorders
filters
Electrodes
electrodes
sensitivity

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An ultraviolet selective photodetector based on a nanocrystalline TiO2 photoelectrochemical cell. / Vigil, Elena; Peter, Laurence M; Forcade, Fresnel; Jennings, James R; Gonzalez, Bernardo; Wang, Hongxia; Curbelo, Larisa; Dunn, Halina.

In: Sensors and Actuators A-Physical, Vol. 171, No. 2, 11.2011, p. 87-92.

Research output: Contribution to journalArticle

Vigil, Elena ; Peter, Laurence M ; Forcade, Fresnel ; Jennings, James R ; Gonzalez, Bernardo ; Wang, Hongxia ; Curbelo, Larisa ; Dunn, Halina. / An ultraviolet selective photodetector based on a nanocrystalline TiO2 photoelectrochemical cell. In: Sensors and Actuators A-Physical. 2011 ; Vol. 171, No. 2. pp. 87-92.
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