The combination of a polymer–carbon composite electrode with a high-absorptivity ruthenium dye achieves an efficient dye-sensitized solar cell based on a thiolate–disulfide redox couple
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Other documents of the author: Zhang, Jing; Long, Huijin; Miralles, Sara G.; Bisquert, Juan; Fabregat-Santiago, Francisco; Zhang, Min
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comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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http://dx.doi.org/10.1039/c2cp40809k |
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Title
The combination of a polymer–carbon composite electrode with a high-absorptivity ruthenium dye achieves an efficient dye-sensitized solar cell based on a thiolate–disulfide redox coupleAuthor (s)
Date
2012Publisher
Royal Society of ChemistryISSN
1463-9076; 1463-9084Type
info:eu-repo/semantics/articlePublisher version
http://pubs.rsc.org/en/content/articlepdf/2012/cp/c2cp40809kVersion
info:eu-repo/semantics/publishedVersionAbstract
To overcome the intrinsic shortcomings of the traditional iodide–triiodide redox couple and
pursue a further performance improvement, intense efforts have been made to exploit alternative
redox shuttles in dye-sen ... [+]
To overcome the intrinsic shortcomings of the traditional iodide–triiodide redox couple and
pursue a further performance improvement, intense efforts have been made to exploit alternative
redox shuttles in dye-sensitized solar cells (DSCs). Herein, we report an energetic and kinetic view
of DSCs when the iodine electrolyte is substituted with its thiolate counterpart and identify that a
conventional platinum counter electrode presents low catalytic activity for the thiolate electrolyte,
featuring a high charge transfer resistance found at the platinized fluorine-doped tin oxide (FTO).
We employ conductive carbon black with several polymers to fabricate highly active composite
catalysts for thiolate regeneration. The use of a highly active conductive carbon black and
polymerized 3,4-ethylenedioxythiophene composition as a counter electrode combined with a
high-absorptivity ruthenium dye C106 sensitized titania film has generated a DSC with an organic
thiolated electrolyte, exhibiting an overall power conversion efficiency of 7.6% under AM1.5G
full sunlight. [-]
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Phys. Chem. Chem. Phys., 2012, 14Rights
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