double injection

synonym: double charge carrier injection
https://doi.org/10.1351/goldbook.08792
Simultaneous injection of both types of charge carriers (electrons and holes) into a material or a device.
Note:
Double injection is used in production of electrets and function of light-emitting diodes.
Source:
PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 24 (https://doi.org/10.1515/pac-2020-0501)