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Within a dye-sensitized solar cell, which mechanism increases short-circuit current?

A)Electron injection into titanium dioxide
B)Hole transport within the electrolyte
C)Recombination from metal oxide surface
D)Dye aggregation causing spectral shifts

💡 Explanation

Increased short-circuit current results from efficient electron generation and injection into the TiO₂ because the Photoelectric Effect results in electrons moving to a higher orbital state in TiO₂, therefore more electrons contribute to the current, rather than being lost due to recombination.

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