Abstract
ThePreparation of nanorod involves simple and novel design of sol-gel process. Further, by using the prepared nanorods,working electrode will be prepared and it will be sensitized with ruthenium dye. A platinum coated FTO electrode will beused as a counter electrode. Dye sensitized solar cell will be assembled by using the working electrode and counterelectrode. FE-SEM and UV characteristics have been carried out at 250ᵒC, 350ᵒC&450ᵒC. The size and band gap ofnanorod at these temperatures has been found out to be 1μm and 2.95eV, 200nm and 2.86eV, 100nm and 2.79eVrespectively. The power conversion efficiency and the fill factor have been obtained as 2.72% and 0.722 respectively.
Highlights
The Electrophoresis Deposition method was used for the photo electrode fabrication of a Dye Sensitized Solar Cells with different thickness of Platinum used as counter electrodes with the photo electrode substrate being titanium sheet and flexible stainless steel sheets [1]
The prepared ZnO nanorodswill be characterized by FE-SEM to determine the size and structure of ZnO nanorod using ZEISS scanning electron microscopy, UV- Visible absorption spectroscopy to find the band gap of aligned ZnO nanorod, energy dispersive analysis of X-ray (EDAX) to determine the composition of the elements present in sample, X-Ray Diffraction technique to determine the size and structural properties of coated material, V-I curves were obtained using white light from xenon lamp(max 150W) using sun 2000 solar simulator where the incident light intensity was one sun illumination(100mW per cm2)
X-ray diffraction technique has been used to study the structural properties of the prepared ZnO films
Summary
The Electrophoresis Deposition method was used for the photo electrode fabrication of a Dye Sensitized Solar Cells with different thickness of Platinum used as counter electrodes with the photo electrode substrate being titanium sheet and flexible stainless steel sheets [1]. Lenzmaan et al, have reported a coversion efficiencies and fill factors in the range of 6.3%-11.4% and 60%74% respectively using N-719 and N-749 dyes at various sizes with Titanium oxide as electrode[5]. Have reported that drag coating or casting slurry of nano crystals using spray as the method of fabricating thin films and subjecting the films to calcinations at 400-450oC and the photostabilityof the sensitizer must be good [7]. Raja et al, have studied the solar cell applications of bundle like ZnO nanorods and have found the conversion efficiency and average diameter to be 0.83% and 200-nm respectively compared to vertically aligned nanorods whose parameters are 0.74% and 100-nm respectively [11]
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