exciton annihilation

https://doi.org/10.1351/goldbook.08813
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 [Terms] [Paper]