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Issue 84, 2014
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Synthesis of a hierarchically meso-macroporous TiO2 film based on UV light-induced in situ polymerization: application to dye-sensitized solar cells

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Abstract

Hierarchically meso-macroporous TiO2 films were prepared via a UV light-induced in situ polymerization of hybrid organic–inorganic films containing propoxylated glyceryltriacrylate monomers and titania precursors. These films were composed of well-connected, net-like frameworks with a large open cavity (0.2–1.5 μm), which were assembled by titania nanocrystals with a size of ∼25 nm and that possessed relatively rich inner crystal mesopores of about 4 nm. The particular net-like frameworks make the film a promising candidate for use as the scattering layer in dye-sensitized solar cells (DSSCs). A bilayer structured photo-electrode, consisting of the net-like framework layer on top of the P25 film, was prepared and exhibited good overall conversion efficiency. Interestingly, the photovoltaic conversion efficiency (η) was improved to 6.95%, much higher than that of P25 single-layer film (6.17%).

Graphical abstract: Synthesis of a hierarchically meso-macroporous TiO2 film based on UV light-induced in situ polymerization: application to dye-sensitized solar cells

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Supplementary files

Article information


Submitted
31 May 2014
Accepted
18 Aug 2014
First published
18 Aug 2014

RSC Adv., 2014,4, 44692-44699
Article type
Paper
Author version available

Synthesis of a hierarchically meso-macroporous TiO2 film based on UV light-induced in situ polymerization: application to dye-sensitized solar cells

Q. Jin, Z. Li, K. Lin, S. Wang, R. Xu and D. Wang, RSC Adv., 2014, 4, 44692
DOI: 10.1039/C4RA05174B

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