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Issue 9, 2011
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Shell-in-shell TiO2 hollow spheres synthesized by one-pot hydrothermal method for dye-sensitized solar cell application

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Abstract

A new type of shell-in-shell TiO2 hollow spheres (S@S-TiO2) featuring excellent light scattering properties were synthesized by a facile one-pot hydrothermal method followed by calcination. Various characterizations revealed that the ratio of sucrose to TiF4 in the reagents plays a key role in controlling the hollow architecture and shell thickness of the resultant S@S-TiO2 structure. The excellent light scattering property of S@S-TiO2 makes it a promising candidate for use as the scattering layer in dye-sensitized solar cells. A bilayer structured photoelectrode consisting of the S@S-TiO2 film as a scattering layer on top of the benchmark TiO2 P25 thin film exhibited an overall conversion efficiency of 9.10% under AM-1.5G one sun light intensity, in comparison with the 7.65% efficiency for a pristine P25 photoanode.

Graphical abstract: Shell-in-shell TiO2 hollow spheres synthesized by one-pot hydrothermal method for dye-sensitized solar cell application

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Publication details

The article was received on 01 Dec 2010, accepted on 23 Mar 2011 and first published on 01 Aug 2011


Article type: Paper
DOI: 10.1039/C0EE00727G
Citation: Energy Environ. Sci., 2011,4, 3565-3572
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    Shell-in-shell TiO2 hollow spheres synthesized by one-pot hydrothermal method for dye-sensitized solar cell application

    X. Wu, G. Q. (. Lu and L. Wang, Energy Environ. Sci., 2011, 4, 3565
    DOI: 10.1039/C0EE00727G

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