We analyzed the degradation of dye-sensitized solar cells, subjected to thermal, electrical, and illumination stress, using DC characterization, electrochemical impedance spectroscopy, and UV/VIS spectroscopy. We separated and identified the effects of each stress: temperature mostly affects the dye, UV light mostly degrades the electrolyte and leads to a sudden collapse of the dye, the current flow across the cell is responsible of the corrosion of platinum counter-electrode.
Degradation mechanisms of Dye-Sensitized Solar Cells: Light, Bias and Temperature Effects
WRACHIEN, NICOLA;BON, MASSIMILIANO;MENEGHESSO, GAUDENZIO;BERTANI, ROBERTA;DI CARLO, ALDO
2015
Abstract
We analyzed the degradation of dye-sensitized solar cells, subjected to thermal, electrical, and illumination stress, using DC characterization, electrochemical impedance spectroscopy, and UV/VIS spectroscopy. We separated and identified the effects of each stress: temperature mostly affects the dye, UV light mostly degrades the electrolyte and leads to a sudden collapse of the dye, the current flow across the cell is responsible of the corrosion of platinum counter-electrode.File in questo prodotto:
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