## bandgap energy, $$E_{\text{g}}$$

https://doi.org/10.1351/goldbook.B00593
The energy difference between the bottom of the @[email protected] and the top of the @[email protected] in a @[email protected] 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 [Terms] [Paper]