Issue 21, 2010
From the journal:

Journal of Materials Chemistry

A facile nonaqueous route for fabricating titaniananorods and their viability in quasi-solid-state dye-sensitized solar cells†

Jaykrushna Das,a   Flavio S. Freitas,b   Ivana R. Evans,c   Ana F. Nogueirab  and  Deepa Khushalani*a  

* Corresponding authors

a Materials Chemistry Group, Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, India

b Laboratório de Nanotecnologia e Energia Solar, LNES, Instituto de Química, UNICAMP, C. Postal 6154, Campinas, SP, Brazil

c Department of Chemistry, Durham University, Durham, UK

Abstract

A facile and simple process has been detailed for the synthesis of titanium glycerolate nanofibers using glycerol as both a solvent and a chelating agent. This complex has then been successfully converted to a high surface area anatase phase of titanium dioxide (TiO2) through solid state transformation without alteration in the overall fiber morphology. The structure, crystallinity and morphology of the products before and after transformation have been characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), solid-state 13C NMR and thermogravimetric analysis (TGA) measurements. As a demonstration of a potential application, these anatase nanorods (NRs) have been used as a photoanode to fabricate a dye-sensitized solar cell (DSSC) using a gel polymer electrolyte. Devices with efficiencies of 2.8% and 4.4% were recorded under light intensity of 100 mW/cm2 and 10 mW/cm2 illumination respectively.

Graphical abstract: A facile nonaqueous route for fabricating titania nanorods and their viability in quasi-solid-state dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/B921373B
Article type
Paper
Submitted
15 Oct 2009
Accepted
16 Mar 2010
First published
28 Apr 2010

J. Mater. Chem., 2010,20, 4425-4431

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A facile nonaqueous route for fabricating titania nanorods and their viability in quasi-solid-state dye-sensitized solar cells

J. Das, F. S. Freitas, I. R. Evans, A. F. Nogueira and D. Khushalani, J. Mater. Chem., 2010, 20, 4425 DOI: 10.1039/B921373B

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