Term: brightness
https://doi.org/10.1351/goldbook.BT07338

Definition:
Product of the fluorescence quantum yield (Φ f) of a dye and the molar decadic absorption coefficient at the excitation wavelength, ɛ(λ), i.e., Φ f ɛ λ.

Related Terms:
1) fluorescence (http://doi.org/10.1351/goldbook.F02453).
2) quantum yield (http://doi.org/10.1351/goldbook.Q04991).
3) molar decadic absorption coefficient (http://doi.org/10.1351/goldbook.M03972).
4) wavelength (http://doi.org/10.1351/goldbook.W06659).

Source: PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 310 (https://doi.org/10.1351/pac200779030293)

Citation: 'brightness' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.BT07338

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