intrinsic emission

https://doi.org/10.1351/goldbook.14025
Band-to-band recombination of electrons and holes (or exciton decay) in a semiconductor or insulator leading to luminescence.
Source:
PAC, 2011, 83, 931. (Glossary of terms used in photocatalysis and radiation catalysis (IUPAC Recommendations 2011)) on page 958 [Terms] [Paper]