Effect of Anatase and Rutile Phase Microspheres Composition on Dye-Sensitized
Solar Cell Photoanode Performance

Kandasamy, M ; Murugesan, Sepperumal ; Alam, Mohammed M.; Selvaraj, M


The effect of calcination temperature on the phase stability of solvothermally synthesized mesoporous anatase TiO2 microspheres has been investigated through X-ray diffraction and Raman spectroscopy. Morphological change owing to anatase to rutile phase transformation has been examined by transmission electron microscopy. Dye-sensitized Solar Cell with anatase TiO2 microspheres photoanode exhibits good photovoltaic performance with an overall cell efficiency of 4.47 %. Calcination above 900 °C reduces the efficiency. Incident Photon to Current Conversion Efficiency (IPCE) studies reveals that the TiO2 microspheres calcined at 700 °C have high IPCE due to high dye loading owing to its high surface area and porous structure.


Mesoporous TiO2 microspheres, Nanocrystalline materials, Dye-sensitized solar cells; Phase transition; Solar energy materials

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