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← ScienceWhich consequence results when rapid cooling fractures crystalline silicon during photovoltaic cell manufacturing?
A)Increased Auger recombination losses✓
B)Reduced electron-hole separation
C)Enhanced back-surface field effect
D)Greater overall quantum efficiency
💡 Explanation
Increased Auger recombination losses occur because fractured silicon introduces many surface defects; these act as recombination centers, shortening carrier lifetimes via Shockley-Read-Hall recombination and Auger recombination; therefore, solar cell efficiency decreases rather than increases when crystallization is flawed.
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