Ag1K2Sb1
Ag1K2Sb1 is a thermodynamically stable semiconducting compound used in the study of perovskite-related materials for photovoltaic applications.
About Ag1K2Sb1
Ag1K2Sb1 is a semiconducting material that occupies a stable position on the convex hull, indicating significant structural integrity. Its unique composition of silver, potassium, and antimony places it within the broader family of perovskite-inspired materials currently under investigation for optoelectronic applications.
As a member of the halide perovskite-related class, this compound is of interest for its electronic properties and potential to serve as a functional layer in energy-harvesting technologies. Its stability makes it a compelling candidate for further experimental characterization in the search for durable semiconductor alternatives.
Key Properties
Cross-validated computational properties for Ag1K2Sb1, aggregated across 2 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 Ag1K2Sb1, 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. |
|---|---|---|---|---|---|
| Cmcm (No. 63) | orthorhombic | 1.19 | 0.0000 | -15.277 | 3.72 |
| P4mm (No. 99) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
Applications
Where Ag1K2Sb1 is used.
Frequently Asked Questions
Common questions about Ag1K2Sb1, answered from cross-validated data.
What is Ag1K2Sb1?
Ag1K2Sb1 is a thermodynamically stable semiconducting compound used in the study of perovskite-related materials for photovoltaic applications.
What is Ag1K2Sb1 used for?
What is the band gap of Ag1K2Sb1?
Is Ag1K2Sb1 a metal, semiconductor, or insulator?
Is Ag1K2Sb1 thermodynamically stable?
What is the crystal structure of Ag1K2Sb1?
What is the density of Ag1K2Sb1?
How many polymorphs of Ag1K2Sb1 are known?
What elements does Ag1K2Sb1 contain?
Where does the data for Ag1K2Sb1 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Unlike the lead-based halide perovskites such as CsPbBr3 or CsSnI3, Ag1K2Sb1 represents a distinct chemical approach to achieving stable semiconducting behavior. While many members of this class rely on heavy metals or specific halide frameworks, this compound explores different elemental combinations to maintain structural stability while providing a viable electronic profile for photovoltaic research.
Related Compounds
Other Halide Perovskite Photovoltaics in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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