Which consequence results when band gap decreases within perovskite solar cells?

💡 Explanation

Increased *electron-hole recombination* occurs because a smaller band gap allows electrons and holes to more easily transition between bands, enhancing their meeting probability; therefore recombination rises, rather than raising voltage or short circuit current or reducing light absorption efficiency under normal device conditions.

• Which outcome accelerates hydrogen peroxide decomposition containing platinum metal?
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• Which consequence develops due to spatial and temporal incoherence within a pulsed laser?
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