Co2O6Sn2
Co2O6Sn2 is a metastable semiconducting oxide utilized in research focused on oxygen-evolution catalysis for energy applications.
About Co2O6Sn2
Co2O6Sn2 is a complex oxide composed of cobalt, tin, and oxygen that functions as a semiconducting material. Its electronic structure and metastable nature make it a subject of interest for researchers seeking to optimize catalytic surfaces for electrochemical energy conversion processes. The material is primarily studied within the context of oxygen-evolution catalysts, where its specific atomic arrangement is evaluated for potential efficiency in splitting water. Given its status as a metastable phase, it represents a unique structural candidate for advanced electrochemical applications.
Key Properties
Cross-validated computational properties for Co2O6Sn2, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Co2O6Sn2, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| R-3 (No. 148) | trigonal | 0.00 | 0.0348 | -6.941 | 6.34 |
| Pnma (No. 62) | orthorhombic | 0.98 | 0.0763 | -6.900 | 6.56 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.6838 | -6.292 | 7.15 |
| — | — | — | — | — | 5.63 |
| R3c (No. 161) | — | — | — | — | — |
| R-3c (No. 167) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| R-3c (No. 167) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| R3c (No. 161) | — | — | — | — | — |
| R-3 (No. 148) | — | — | — | — | — |
| R3c (No. 161) | — | — | — | — | — |
Applications
Where Co2O6Sn2 is used.
Frequently Asked Questions
Common questions about Co2O6Sn2, answered from cross-validated data.
What is Co2O6Sn2?
Co2O6Sn2 is a metastable semiconducting oxide utilized in research focused on oxygen-evolution catalysis for energy applications.
What is Co2O6Sn2 used for?
What is the band gap of Co2O6Sn2?
Is Co2O6Sn2 a metal, semiconductor, or insulator?
Is Co2O6Sn2 thermodynamically stable?
What is the crystal structure of Co2O6Sn2?
What is the density of Co2O6Sn2?
How many polymorphs of Co2O6Sn2 are known?
What elements does Co2O6Sn2 contain?
Where does the data for Co2O6Sn2 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the broader class of oxygen-evolution catalysts, Co2O6Sn2 occupies a specialized niche compared to more conventional materials like LiCoO2 or NiO. While many of its class members are highly stable, well-understood oxides, Co2O6Sn2 is characterized by its metastability, offering a different structural pathway for catalytic activity that distinguishes it from the more traditional, highly stable perovskites and spinels like LaMnO3 or LiMn2O4.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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