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← ScienceWhich outcome occurs when differential heating disrupts ionic interactions within pervoskite solar cell absorber layers?
A)Reduced open-circuit voltage is measured✓
B)Increased electron-hole recombination lifetime
C)Enhanced spectral absorption is observed
D)Improved short-circuit current density
💡 Explanation
Differential heating causes *ionic migration*, reducing the built-in potential because ions redistribute, negating the electric field. Therefore, voltage drops, rather than recombination decreasing or absorption/current improvement, require stable ion distribution.
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