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- W1971014146 abstract "A novel polymer based TCO- and Pt-free counter electrode (CE) for dye-sensitized solar cells (DSSCs) was fabricated by employing conductivity enhanced PEDOT:PSS film as conductive substrate and electrodeposited PEDOT layer as the catalytic layer. Through an ethylene glycol (EG) treatment, the conductivity of the spray-coated PEDOT:PSS film on glass substrate was significantly enhanced with a low sheet resistance of 17.2 Ω □−1, very close to that of fluorine doped tin oxide (FTO) glass. Atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS) measurements showed that the phase separation between PEDOT and PSS, and the depletion of PSS during the EG-treatment process contributed to enhanced conducting pathways for carriers. After electrodeposition of an extra PEDOT catalytic layer, the polymer based CE showed a very low sheet resistance of 15.5 Ω □−1 and good catalytic activity towards the I−/I3− redox reaction compared to the pyrolyzed Pt CE. A DSSC based on this TCO- and Pt-free (PEDOT/PEDOT:PSS/Glass) CE showed a high energy conversion efficiency of 8.33% accompanied by a fill factor of 0.64 under 1 sun illumination (100 mW cm−2 AM 1.5), which was comparable to that of the Pt/FTO CE based cell (8.75%)." @default.
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- W1971014146 date "2013-01-01" @default.
- W1971014146 modified "2023-09-23" @default.
- W1971014146 title "A novel TCO- and Pt-free counter electrode for high efficiency dye-sensitized solar cells" @default.
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- W1971014146 doi "https://doi.org/10.1039/c2ta00974a" @default.
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