Ga₁.₉₉Cu₀.₀₁Se₂.₉₉ is a copper-doped gallium selenide compound semiconductor, where trace copper substitution is incorporated into the gallium selenide lattice to modify electronic and optical properties. This is a research-phase material rather than a commercial product; copper doping of chalcogenide semiconductors is explored to tune bandgap, carrier concentration, and defect characteristics for improved device performance. The material belongs to the II–VI semiconductor family (analogous to CdSe or ZnSe) and is investigated primarily for photovoltaic absorbers, nonlinear optical applications, and radiation detection where the dopant introduces beneficial trap states or band structure modifications relative to undoped gallium selenide.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.990 | eV | — |