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Issue 51, 2014
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Cabbage leaf-shaped two-dimensional TiO2 mesostructures for efficient dye-sensitized solar cells

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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%).

Graphical abstract: Cabbage leaf-shaped two-dimensional TiO2 mesostructures for efficient dye-sensitized solar cells

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Article information


Submitted
24 Apr 2014
Accepted
10 Jun 2014
First published
12 Jun 2014

RSC Adv., 2014,4, 27084-27090
Article type
Paper
Author version available

Cabbage leaf-shaped two-dimensional TiO2 mesostructures for efficient dye-sensitized solar cells

T. G. Deepak, G. S. Anjusree, K. R. N. Pai, D. Subash, S. V. Nair and A. S. Nair, RSC Adv., 2014, 4, 27084
DOI: 10.1039/C4RA04828H

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