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← ScienceWhich risk increases when a photovoltaic cell's crystalline structure degrades?
A)Elevated open-circuit voltage creation
B)Increased electron-hole recombination✓
C)Enhanced quantum dot confinement
D)Suppressed Auger electron emission
💡 Explanation
Increased electron-hole recombination degrades photovoltaic cell performance due to material imperfections. The defects lead to increased energy state gaps, thus facilitating Shockley-Read-Hall recombination, rather than charge separation; therefore, energy conversion efficiency decreases.
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