bandgap energy

symbol: $E_{\rm{g}}$
https://doi.org/10.1351/goldbook.B00593
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 [Terms] [Paper]
Citation: 'bandgap energy' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.B00593 RIS BibTex EndNote
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