Semiconductor in which mobile
charge carriers are generated solely by thermal excitation of electrons.
Notes: - Intrinsic semiconductor is free of dopants, so that it has no energy states in the bandgap.
- Pure conjugated polymers such as poly(ethene-1,2-diyl) or poly(pyrrole-2,5-diyl) and other polymers with delocalized valence electrons such as polysilanes are examples of intrinsic semiconductors.
See also: charge carrier generation, extrinsic semiconductor
Source:
PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 36 (https://doi.org/10.1515/pac-2020-0501)