Dye-sensitized solar cells based on tin dioxide nanoparticles prepared by a facile hydrothermal method

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• 作者：Mahnaz Dadkhah ; Masoud Salavati-Niasari
• 关键词：Nanostructures ; DSSC ; Tin dioxide ; Hydrothermal
• 刊名：Materials Science in Semiconductor Processing
• 出版年：April, 2014
• 年：2014
• 卷：20
• 期：Complete
• 页码：41-48
• 全文大小：3245 K

文摘

Pure SnO₂ nanoparticles with tetragonal structure were successfully synthesized by using a hydrothermal method and then were employed as a photoanode in dye-sensitized solar cells (DSSCs). A Schiff base ligand was applied to prepare uniform SnO₂ nanoparticles. The morphology and crystalline size of nanoparticles have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectrum, Electron Dispersive X-ray spectroscopy (EDX) and ultraviolet-visible (UV-vis) spectroscopy. The optical band gap of the SnO₂ nanoparticles was estimated to be 3.8 eV. The photovoltaic properties of SnO₂ electrodes have been investigated and it is shown that using uniform SnO₂ nanoparticles as an active electrode is more beneficial than agglomerated nanoparticles.