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ECN publicatie:
A solid-state dye-sensitized solar cell fabricated with pressure-treated P25-TiO2 and CuSCN: analysis of pore filling and IV characteristics
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 1-1-2003
ECN publicatienummer: Publicatie type:
ECN-RX--03-005 Artikel wetenschap tijdschrift
Aantal pagina's:

Gepubliceerd in: Chemistry of Materials (American Chemical Society), , 2002, Vol.14, p.5023-5029.

Solid-state dye-sensitized photovoltaic cells have been fabricated withTiO2 as the electron conductor and CuSCN as the hole conductor. The cells show photocurrents of approximate to8 mA/cm(2), voltages of similar to600 mV, and energy efficiencies of approximate to2% at 1 sun. The CuSCN was deposited into the pores of the nanoparticulate TiO2/dye film from dilute solution in propylsulfide. The degree of pore filling achieved is near 100% for TiO2 films <2-mum thick and falls to approximate to65% for films near 6 mum. The final drying step after the CuSCN deposition is shown to be critical; drying in vacuum or argon is required for photocurrents above 2 mA/cm(2). The photocurrent IVs of these cells are fit to a single diode equation and the results are discussed and compared to those for equivalent photoelectrochemical cells, and similar solid cells composed of ZnO/dye/CuSCN.

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