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← ScienceWhich 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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