In chemistry and materials science, a luminophore is the part of a molecule, coordination complex, or solid-state material that is responsible for its luminescence (light emission following excitation). In molecular photochemistry, the closely related IUPAC-recommended term lumiphore refers to "a part of a molecular entity (or atom or group of atoms) in which electronic excitation associated with a given emission band is approximately localized", by analogy with chromophore for absorption. In practice, the term luminophore is widely used across chemistry, physics, and engineering literature fo
In chemistry and materials science, a luminophore is the part of a molecule, coordination complex, or solid-state material that is responsible for its luminescence (light emission following excitation). In molecular photochemistry, the closely related IUPAC-recommended term lumiphore refers to "a part of a molecular entity (or atom or group of atoms) in which electronic excitation associated with a given emission band is approximately localized", by analogy with chromophore for absorption. In practice, the term luminophore is widely used across chemistry, physics, and engineering literature for both molecular and inorganic emitters.
Luminophores span a broad range of systems, including organic π-conjugated dyes, luminescent transition-metal complexes, lanthanide-doped phosphors, and semiconductor quantum dots. Their emission properties are commonly described by the emission spectrum, quantum yield, and excited-state lifetime, which depend on the emitting state and on competing non-radiative deactivation pathways ("quenching").
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