A screening technique useful for testing the effectiveness of novel "self-cleaning" photocatalytic surfaces |
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Authors: | Finn Shane T Strnad Jessica A Barreto Patricia D Fox Megan E Torres Jorge Sweeney James D Barreto José C |
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Institution: | Department of Chemistry, Florida Gulf Coast University, Fort Myers, FL, USA. |
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Abstract: | We describe a screening methodology that can be used to quickly determine the effectiveness of newly synthesized photocatalysts. We were particularly interested in measuring the destruction of organic molecules painted onto a photocatalytic surface by spraying, with destruction proceeding in ambient air (as a model for airborne toxin destruction). Our method can utilize photocatalysts that are synthesized as powders (such as doped and undoped titanium oxide) and which are then calcined onto a glass substrate disk at 600°C. Herein, we used UV illumination of Aeroxide P-25 TiO(2), but the method is general and can accommodate any region of the light spectrum. |
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