Pyreno-chalcone dendrimers as an additive in the redox couple of dye-sensitized solar cells |
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| Authors: | Perumal Rajakumar Kathiresan Visalakshi Shanmugam Ganesan Pichai Maruthamuthu Samuel Austin Suthanthiraraj |
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| Affiliation: | (1) Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, 600 025, India;(2) Department of Energy, University of Madras, Guindy Campus, Chennai, 600 025, India |
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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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