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Which risk increases when molecular orbitals destabilize in perovskite solar cells?

A)Increased electron-hole recombination rate
B)Enhanced grain boundary passivation
C)Improved charge carrier mobility
D)Decreased band gap energy

💡 Explanation

Increased electron-hole recombination occurs because destabilized molecular orbitals increase defect states causing Shockley-Read-Hall recombination; therefore, energy conversion efficiency decreases, rather than improving due to passivation efficiency.

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