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Which failure arises in crystalline silicon solar cells when excess doping creates near-surface distortions reducing lifetime?

A)Reduced open-circuit voltage
B)Increased series resistance
C)Elevated short-circuit current
D)Decreased shunt impedance

💡 Explanation

Reduced open-circuit voltage appears because band gap narrowing reduces the potential barrier, limiting photovoltage; therefore open-circuit voltage drops, rather than short-circuit increasing or resistance changing.

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