Abstract
Porous anatase TiO2 spheres with sizes ranging from 150 to 250 nm were synthesized by a rapid microwave treatment of spherical titanium glycolate precursors preformed via an ethylene glycol-mediated sol-gel process. The effects of various experimental conditions on the formation of titanium glycolate precursors and final TiO2 spheres were investigated. A dye-sensitized solar cell (DSSC) assembled with the as-synthesized porous TiO2 spheres as photoanodes exhibits a 5% energy conversion efficiency, which is almost 40% higher than that made of the standard commercial Degussa P25 TiO2 nanopowders. © 2011 American Chemical Society.
Original language | English |
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Pages (from-to) | 10419-10425 |
Journal | The Journal of Physical Chemistry C |
Volume | 115 |
Issue number | 21 |
DOIs | |
Publication status | Published - 2 Jun 2011 |