charge carrier diffusion

https://doi.org/10.1351/goldbook.08777
Purely random, thermally induced motion of charge carriers.
Note:
According to the type of charge carriers undergoing diffusion, it is subdivided into electron diffusion, hole diffusion, polaron diffusion, soliton diffusion, etc.
See also: electric drift
Source:
PAC, 2022, 94, 15. (Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)) on page 18 [Terms] [Paper]