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Issue 33, 2012
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Zn-doped TiO2 electrodes in dye-sensitized solar cells for enhanced photocurrent

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Abstract

Porous nanocrystalline Zn/TiO2 materials were synthesized employing agarose gel as a template, achieving a maximum Zn-doping concentration of around 2 at.%. Low Zn-doping concentrations (e.g. <1 at.%) improved the photocurrent of the dye-sensitized solar cell when these materials were applied as the working electrode, as n-type doping favors electron transportation. Compared to the efficiency of the undoped sample, 6.7%, the 0.5 at.% sample showed a much higher efficiency of 7.6%. Further doping decreases the performance of the device as it introduces deficiencies that act as electron–hole recombination centers.

Graphical abstract: Zn-doped TiO2 electrodes in dye-sensitized solar cells for enhanced photocurrent

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Publication details

The article was received on 18 Apr 2012, accepted on 26 Jun 2012 and first published on 20 Jul 2012


Article type: Paper
DOI: 10.1039/C2JM32409A
Citation: J. Mater. Chem., 2012,22, 17128-17132
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    Zn-doped TiO2 electrodes in dye-sensitized solar cells for enhanced photocurrent

    F. Huang, Q. Li, G. J. Thorogood, Y. Cheng and R. A. Caruso, J. Mater. Chem., 2012, 22, 17128
    DOI: 10.1039/C2JM32409A

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