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Chemistry · L5 · Antenna-Sensitized Lanthanide Luminescence

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How an organic chromophore antenna absorbs UV light efficiently and transfers that energy to a lanthanide ion's own excited state, bypassing the ion's intrinsically weak, Laporte-forbidden direct absorption.

by @openstemUpdated Chemistry
UV light incident on complexOrganic antenna chromophore absorbs stronglyAntenna reaches its own excited singlet stateAntenna triplet excited stateLanthanide ion excited state populatedSharp, characteristic f-f emissionLanthanide luminescence observedIntersystem crossingForster or Dexter energy transferDirect excitation: inefficient, Laporte-forbidden

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