2. In order to generate charge carriers (charge separation) in organic semiconductors, why strong donor/acceptor coupling will...

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Chemistry

2.In order to generate charge carriers (charge separation) in organicsemiconductors, why strong donor/acceptor coupling will not workbut weak donor/acceptor coupling is needed (feel free to usediagrams of frontier orbitals)?

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THE WEAK INTERMOLECULAR INTERACTIONS INHERENT IN ORGANIC SEMICONDUCTOR MAKE THEM SUSCEPTIBLE TO DEFECT FORMATION RESULTING IN LOCALIZED STATES IN THE BAND GAP THAT CAN TRAP CHARGE CARRIES AT DIFFERENT    See Answer
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