quencher

https://doi.org/10.1351/goldbook.Q05006
A molecular entity that deactivates (quenches) an excited state of another molecular entity, either by energy transfer, electron transfer, or by a chemical mechanism.
See: quenching, Stern–Volmer kinetic relationships
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2268 [Terms] [Paper]
Citation: 'quencher' 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.Q05006 RIS BibTex EndNote
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