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Novel Nondestructive Measurement of Dye Adsorption on Solid Titania Films for Its Sensitized Solar Cells
Promising Centre of Sensors and Electronic Devices, Najran University, Najran, Saudi Arabia; Department of Chemical Engineering, Najran University, Najran, Saudi Arabia
- 1 Promising Centre of Sensors and Electronic Devices, Najran University, Najran, Saudi Arabia; Department of Chemical Engineering, Najran University, Najran, Saudi Arabia
Journal of Minerals and Materials Characterization and Engineering·Volume 02 (2014)·Pages 169–175·Published 29 April 2014·DOI10.4236/jmmce.2014.23021
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Abstract
A new nondestructive quantitative method is developed to measure the adsorption of dyes in solid titania films for dye-sensitized solar cells. UV-vis spectroscopy study showed that the absorbance of dye in the solid film can be directly related to the absorbance measured by the typical destructive method used to quantify concentration. Concentrations of N-719 and N-749 dyes on solid titania films were successfully extracted using molar extinction coefficients of dye on solid titania films with value of 6916 and 6454 L·cmˉ 1 ·molˉ 1 respectively determined using the spectral peaks at 512 and 586 nm.
KeywordsUV-Vis SpectroscopyDye AdsorptionTitaniaSolar Cells
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