Highly Efficient Porphyrin Sensitizers for Dye-Sensitized Solar Cells

Campbell, Wayne M.; Jolley, Kenneth W.; Wagner, Pawel; Wagner, Klaudia; Walsh, Penny J.; Gordon, Keith C.; Schmidt-Mende, Lukas; Nazeeruddin, Mohammad K.; Wang, Qing; Grätzel, Michael; Officer, David L.

Highly Efficient Porphyrin Sensitizers for Dye-Sensitized Solar Cells

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Datum

2007

Autor:innen

Campbell, Wayne M.

Jolley, Kenneth W.

Wagner, Pawel

Wagner, Klaudia

Walsh, Penny J.

Gordon, Keith C.

Schmidt-Mende, Lukas

Nazeeruddin, Mohammad K.

Wang, Qing

Grätzel, Michael

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The Journal of Physical Chemistry C. 2007, 111(32), pp. 11760-11762. ISSN 1932-7447. eISSN 1932-7455. Available under: doi: 10.1021/jp0750598

Zusammenfassung

In TiO₂-based dye-sensitized nanocrystalline solar cells, efficiencies of up to 11% have been obtained using Ru dyes, but the limited availability of these dyes together with their undesirable environmental impact have led to the search for cheaper and safer organic-based dyes. In this Letter, we report the synthesis, electronic, and photovoltaic properties of novel green porphyrin sensitizers. All six porphyrin dyes give solar cell efficiencies of ≥5%, but the best performing dye under standard global AM 1.5 solar conditions gives a short circuit photocurrent density (j_sc) of 14.0 ± 0.20 mA/cm², an open circuit voltage of 680 ± 30 mV, and a fill factor of 0.74, corresponding to an overall conversion efficiency of 7.1%, which, for porphyrin-based sensitizers, is unprecedented. This same dye gives an efficiency of 3.6% in a solid-state cell with spiro-MeOTAD as the hole transporting component, comparable to solid-state cells incorporating the best performing ruthenium dyes.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

CAMPBELL, Wayne M., Kenneth W. JOLLEY, Pawel WAGNER, Klaudia WAGNER, Penny J. WALSH, Keith C. GORDON, Lukas SCHMIDT-MENDE, Mohammad K. NAZEERUDDIN, Qing WANG, Michael GRÄTZEL, David L. OFFICER, 2007. Highly Efficient Porphyrin Sensitizers for Dye-Sensitized Solar Cells. In: The Journal of Physical Chemistry C. 2007, 111(32), pp. 11760-11762. ISSN 1932-7447. eISSN 1932-7455. Available under: doi: 10.1021/jp0750598

BibTex

@article{Campbell2007Highl-25206,
  year={2007},
  doi={10.1021/jp0750598},
  title={Highly Efficient Porphyrin Sensitizers for Dye-Sensitized Solar Cells},
  number={32},
  volume={111},
  issn={1932-7447},
  journal={The Journal of Physical Chemistry C},
  pages={11760--11762},
  author={Campbell, Wayne M. and Jolley, Kenneth W. and Wagner, Pawel and Wagner, Klaudia and Walsh, Penny J. and Gordon, Keith C. and Schmidt-Mende, Lukas and Nazeeruddin, Mohammad K. and Wang, Qing and Grätzel, Michael and Officer, David L.}
}

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    <dcterms:abstract xml:lang="eng">In TiO&lt;sub&gt;2&lt;/sub&gt;-based dye-sensitized nanocrystalline solar cells, efficiencies of up to 11% have been obtained using Ru dyes, but the limited availability of these dyes together with their undesirable environmental impact have led to the search for cheaper and safer organic-based dyes. In this Letter, we report the synthesis, electronic, and photovoltaic properties of novel green porphyrin sensitizers. All six porphyrin dyes give solar cell efficiencies of ≥5%, but the best performing dye under standard global AM 1.5 solar conditions gives a short circuit photocurrent density (j&lt;sub&gt;sc&lt;/sub&gt;) of 14.0 ± 0.20 mA/cm&lt;sup&gt;2&lt;/sup&gt;, an open circuit voltage of 680 ± 30 mV, and a fill factor of 0.74, corresponding to an overall conversion efficiency of 7.1%, which, for porphyrin-based sensitizers, is unprecedented. This same dye gives an efficiency of 3.6% in a solid-state cell with spiro-MeOTAD as the hole transporting component, comparable to solid-state cells incorporating the best performing ruthenium dyes.</dcterms:abstract>
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