Sr₀.₅Ta₁O₃ is a mixed-valence perovskite oxide semiconductor composed of strontium, tantalum, and oxygen in a defined stoichiometry. This is a research-phase compound studied primarily for photocatalytic and electrochemical applications, particularly in the context of water splitting, environmental remediation, and energy conversion where layered perovskites with partial A-site occupancy offer tunable band gaps and enhanced charge separation. Compared to fully-occupied perovskites (like SrTiO₃), strontium-deficient tantalate compositions target improved visible-light absorption and reduced charge recombination, making them candidates for next-generation photocatalytic systems, though commercial deployment remains limited and material is typically synthesized at laboratory scale.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.700 | eV | — |