Investigation of UV-Vis Absorbance of TiO2 Thin Films Sensitized with the Mulberry Pigment Cyanidin by Sol-Gel Method

Document Type : Research Article

Authors

1 Physics Group, Sciences Faculty, Khouzestan Payam-e-Noor University, Tehran, I.R. IRAN

2 Physics Group, Sciences Faculty, Khouzestan Payam-e-Noor University, Ahvaz, I.R. IRAN

Abstract

In this research, effect of sensitized mulberry pigment Cyanidin on the TiO2 Thin films was studied by Sol-Gel method. Nano structured TiO2 layers on the glass substrate using dip-coating sol-gel method was prepared. After making these layers, they were sensitized with Cyanidin pigments available in Mulberry. Crystal structure and phase of this layer and its morphology was studied by XRD and FE-SEM device. The results of the IR spectrum of TiO2 xerogel and Cyanidin-TiO2 xerogel confirmed bands characteristic of TiO2 while the presence of color was confirmed in structure. The UV-Vis absorption spectrum showed the increase of maximum absorption peak up to 595nm in layers sensitized with Cyanidin, which indicated the interaction between the semiconductor and color.

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Main Subjects


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