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Published in:
08-09-2015
New modified sol–gel method for preparation SrTiO3 nanostructures and their application in dye-sensitized solar cells
Published in: Journal of Materials Science: Materials in Electronics | Issue 1/2016
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Abstract
In this work a modified sol–gel approaches was used to prepare SrTiO3 nanostructures. The different ligands were applied for modification of sol–gel rout. SrTiO3 nanostructures was characterized by X-ray diffraction, scanning electron microscopy, and Fourier transform infrared techniques X-ray energy dispersive spectroscopy and diffuse reflectance UV–visible spectroscopy. Sandwich type of solar cell was prepared by as-prepared SrTiO3. Eosin Yellow has been used to sensitize the solar cell. The effect of morphology and paste formation method were investigated on cell’s efficiency. The fill factor (FF), open circuit voltage (Voc) and short circuit current (Jsc) were obtained by I–V curve device characteristics are as follows: Voc = 62 mV, Jsc = 1.6 mA/cm2 and FF = 0.59 and Eff = 0.58 %. The efficiency and JSC value of solar cells are affected by the thin film’s surface morphology and the morphology of SrTiO3 nanostructures. In this work, the Jsc was improved four times in comparison with the results of other research groups.