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Cabbage Leaf-shaped Two-Dimensional TiO2 Mesostructures for Efficient Dye-sensitized Solar Cells

Publication Type : Journal Article

Thematic Areas : Nanosciences and Molecular Medicine

Publisher : RSC Advances

Source : RSC Advances, Royal Society of Chemistry, Volume 4, Number 51, p.27084-27090 (2014)

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Keywords : Composite nanofibers, Dye-Sensitized solar cell, Dye-sensitized solar cells, Electrospuns, Functional materials, High surface area, Loading, Mesostructures, Nanofibers, Photoelectrochemical cells, Photovoltaic performance, Solar cells, Surface area measurement, Titanium compounds, Titanium dioxide

Campus : Kochi

School : Center for Nanosciences

Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences

Department : Nanosciences

Year : 2014

Abstract : We have fabricated 'cabbage leaf'-like TiO2 mesostructures of high surface area from electrospun TiO2-SiO2 composite nanofibers by titanate route for dye-sensitized solar cell (DSC) application. The initial TiO2-SiO2 composite nanofibers, the intermediate titanate and the final leaf-like TiO2 are characterized by spectroscopy, microscopy and surface area measurements. The material (final TiO2) acts as a dual functional material in DSCs with high dye loading and a high light scattering capability. The best DSC (a square-shaped cell of area 0.20 cm2 and thickness of 12 μm) fabricated out of the material showed a superior photovoltaic performance with an efficiency (η) of 7.92% in comparison to that of commercial P25 TiO2 (6.50%). This journal is © the Partner Organisations 2014.

Cite this Research Publication : T. G. Deepak, Anjusree, G. S., Pai, K. R. N., Subash, D., Shantikumar V Nair, and A. S. Nair, “Cabbage Leaf-shaped Two-Dimensional TiO2 Mesostructures for Efficient Dye-sensitized Solar Cells”, RSC Advances, vol. 4, pp. 27084-27090, 2014.

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