Efficient thiocyanate-free sensitizer: a viable alternative to N719 dye for dye-sensitized solar cells

We have designed and synthesized a new thiocyanate-free sensitizer coded as SPS-01 and used it as the sensitizer in a TiO(2) based nanocrystalline dye-sensitized solar cell (DSSC). SPS-01 exhibits strong visible absorption properties with maximum peak around at 532 nm. The overall power conversion e...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2012-07, Vol.41 (25), p.7604-7608
Main Authors: Singh, Surya Prakash, Gupta, K S V, Sharma, G D, Islam, Ashraful, Han, Liyuan
Format: Article
Language:English
Subjects:
Dyes
Energy conversion efficiency
Nanocrystals
Photovoltaic cells
Short circuit currents
Solar cells
Titanium dioxide
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Summary:We have designed and synthesized a new thiocyanate-free sensitizer coded as SPS-01 and used it as the sensitizer in a TiO(2) based nanocrystalline dye-sensitized solar cell (DSSC). SPS-01 exhibits strong visible absorption properties with maximum peak around at 532 nm. The overall power conversion efficiency (PCE) of a DSSC sensitized with SPS-01 (7.96%) is higher than that of N719 (7.30%) under identical experimental conditions. This high PCE is attributed mainly due to the improvement in the short circuit current.
ISSN:1477-9226
1477-9234
DOI:10.1039/c2dt30697b