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Dye Sensitized Solar cell materials -TiO2 with Hesperidin

Abstract

In this paper, have been discussed systematic studies of surface Modified TiO2. The samples are characterized by XRD, FE-SEM, PL, UV and I-V. The main objective of this work is to prepare the PV material such as TiO2 with help of dyes. The surface modified TiO2 (Hes-TiO2) composite will used as DSSC. The PL studies are carrying out by the emission and excitation of TiO2 and Hes-TiO2. UV study showed that the composite energy gab has shifted towards the lower wavelength in electromagnetic spectrum (blue shift), and then optical band gap is an indirect and allowed transition. In this type of Hes-TiO2 composite used for fabrication of optoelectronic device, because the quantum yields of the TiO2 and Hes-TiO2 approximately equal to the unity. The solar energy conversion efficiency is increased 70% for the surface modified-TiO2 as compared to TiO2.

P.Pandi, C. Gopinathan, R.Sakthivadivel, M. Kavitha and M.Karuppuchamy

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