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← ScienceWhich outcome occurs when injecting thin-film silicon solar cells with short light pulses?
A)Increased open-circuit voltage appears✓
B)Band gap widening accelerates noticeably
C)Enhanced carrier recombination dominates
D)Material crystallization temperature bottoms
💡 Explanation
Increased open-circuit voltage results from constructive interference. Injected pulses cause coherent superposition between light waves, therefore increased photon density elevates voltage; rather than other changes because the timescale is too short for thermal/structural effects.
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