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← ScienceWhich outcome occurs when a photosensitizer's triplet-state orbitals overlap?
A)Enhanced intersystem crossing efficiency✓
B)Decreased fluorescence quantum yield
C)Phosphorescence signal is quenched
D)Singlet oxygen generation halts
💡 Explanation
Enhanced intersystem crossing occurs because orbital overlap facilitates spin-orbit coupling, therefore increasing the likelihood of transition to the triplet state, rather than immediate decay to the ground state via fluorescence.
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