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Pyreno-chalcone dendrimers as an additive in the redox couple of dye-sensitized solar cells

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Abstract

Novel pyreno-chalcone dendrimers 1, 2, and 3 were synthesized and their ability to act as an additive in the redox couple (I−/I3 −) of dye-sensitized nanocrystalline TiO2 solar cell has been tested. The redox couple doped with pyreno-chalcone dendrimer 3 gave a short circuit photocurrent density (J sc) of 7.40 mA/cm2, open circuit voltage (V oc) of 820 mV, and a fill factor of 0.51, corresponding to an overall conversion efficiency (η) of 7.89% under 40 mW/cm2 irradiation.

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Fig. 1
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Scheme 2
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Acknowledgement

The authors thank DST – FIST, New Delhi for NMR spectral facility. KTV thank CSIR for the award of SRF.

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Authors and Affiliations

  1. Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, 600 025, India

    Perumal Rajakumar & Kathiresan Visalakshi

  2. Department of Energy, University of Madras, Guindy Campus, Chennai, 600 025, India

    Shanmugam Ganesan, Pichai Maruthamuthu & Samuel Austin Suthanthiraraj

Authors
  1. Perumal Rajakumar
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  2. Kathiresan Visalakshi
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  3. Shanmugam Ganesan
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  4. Pichai Maruthamuthu
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  5. Samuel Austin Suthanthiraraj
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Correspondence to Perumal Rajakumar.

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Rajakumar, P., Visalakshi, K., Ganesan, S. et al. Pyreno-chalcone dendrimers as an additive in the redox couple of dye-sensitized solar cells. J Mater Sci 47, 1811–1818 (2012). https://doi.org/10.1007/s10853-011-5967-9

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  • DOI: https://doi.org/10.1007/s10853-011-5967-9

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