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Which process limits efficiency when crystalline silicon solar cells heat?

A)Increased electron-hole recombination
B)Decreased photon absorption rate
C)Enhanced surface plasmon resonance
D)Suppressed piezoelectric effect

💡 Explanation

Elevated temperatures cause more energetic electrons, therefore electron-hole recombination increases due to increased thermal agitation within the crystal lattice. This band-to-band Auger recombination prevails rather than amplified absorption or plasmon effects.

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