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← ScienceWhich consequence results when pressure reduces band gaps within photovoltaic cells?
A)Increased electron-hole recombination rate✓
B)Reduced short-circuit current capacity
C)Augmented open-circuit voltage potential
D)Decreased depletion region width
💡 Explanation
Increased pressure narrows the band gap, enhancing the probability of electrons transitioning across it via tunneling and recombination because Shockley-Read-Hall recombination becomes dominant; therefore, carrier lifetime decreases, and recombination increases rather than voltage improving under these different constraints.
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