bandgap energy
The energy difference between the bottom of the
conduction band
and the top of the
valence band
in a
semiconductor
or an insulator.
See:
conduction band
,
Fermi level
Source:
PAC, 1996,
68
, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2229
