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← ScienceWhich risk increases for organic LED performance when electron orbitals hybridize?
A)Increased exciton annihilation probability✓
B)Enhanced trap state formation chance
C)Augmented vibrational relaxation pathways
D)Decreased singlet-triplet energy splitting
💡 Explanation
Exciton annihilation probability increases because orbital hybridization modifies the electronic structure, accelerating Förster resonance energy transfer; therefore, energy is lost rather than emitted due to bimolecular quenching, rather than band gap shifts.
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