Title: exciton annihilation
Long Title: IUPAC Gold Book - exciton annihilation
DOI: 10.1351/goldbook.08813
Status: current

Definition
Interaction of two excitons resulting in their decay and radiative emission of the stored excitation energy.

Source
- PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 31 (https://doi.org/10.1515/pac-2020-0501)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08813/html
- json: https://goldbook.iupac.org/terms/view/08813/json
- xml: https://goldbook.iupac.org/terms/view/08813/xml

Citation: Citation: 'exciton annihilation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08813
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-18T08:32:54+00:00