photodetachment

of electrons
https://doi.org/10.1351/goldbook.P04597
Ejection of an electron from a negative ion upon photoexcitation.
Source:
PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2260 (https://doi.org/10.1351/pac199668122223)