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- W2034143779 abstract "Abstract The influence of temperature on the performance of a photoelectrochemical (PEC) cell prepared with Si-doped hematite photoanode was studied for water splitting. The cell performance was characterized by photocurrent-voltage ( J – V ) characteristic curves and electrochemical impedance spectroscopy at different cell operating temperatures, from 25 °C to 65 °C. A standard three-electrode configuration comprehending the photoelectrode of hematite, the counter-electrode of pure platinum wire (99.9%) and the reference electrode of Ag/AgCl/Sat.KCl was used. The identification of possible degradation pathways was addressed. It was observed that the generated photocurrent density increased with temperature. However, the photoelectrode became unstable above 50 °C. The experiments performed concerning the study of the temperature effect and the aging showed that the optimal operation temperature of the PEC cell is ca. 45 °C; this temperature ensures simultaneously the highest photocurrent density and stability. This study is important for understanding the behavior of hematite photoelectrodes operating under real outdoor conditions." @default.
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- W2034143779 date "2014-12-01" @default.
- W2034143779 modified "2023-10-04" @default.
- W2034143779 title "Temperature effect on water splitting using a Si-doped hematite photoanode" @default.
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- W2034143779 doi "https://doi.org/10.1016/j.jpowsour.2014.08.108" @default.
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