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Observational analysis reveals activation of deep trap states in TiO2, suggesting photocapacitance potential in nanocluster-sensitized solar cells.
In metal nanocluster (NC)-sensitized solar cells, photoexcited TiO 2 creates capacitor-like states. These store charge from trapped electrons and positive NCs, creating a dark voltage. This suggests NC-based cells could function as photocapacitors.
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Abbas et al. (2025) studied this question.
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