ArticleChemical science2026
When less is more: harnessing optimal quencher concentrations to maximize quantum yields in TADF photoredox reactions.
Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Here, we report a counterintuitive "less is more" effect, in which lower quencher concentrations improve overall quantum yields in photoinduced electron transfer - key reaction steps in organic photoredox catalysis. This behavior arises because lower quencher concentrations favor quenching of the triplet rather than the singlet excited state. In the latter undesired case, lower efficiencies for free radical or radical ion formation following electron transfer are generally expected, due to reduced cage escape (
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