Chromophores

Molecular groups or components that selectively absorb light, giving compounds their colour and enabling light-responsive functions.

Articles with this tag: 2 Updated: August 7, 2026

Articles with this tag

Chromophore: the light‑absorbing part of a molecule Chromophore A chromophore is the region of a molecule that absorbs specific wavelengths of light and produces colour; it underlies pigments, biological photoreceptors, dyes and many optical ap…

Woodward’s rules for predicting UV–Vis absorption in conjugated organic molecules Woodward's rules Empirical guidelines (Woodward–Fieser rules) for estimating the UV–Vis absorption maximum (λmax) of conjugated organic chromophores, their history, uses, and limitations.