AsKSn
AsKSn is a thermodynamically stable semiconducting material investigated for its potential role in advanced photovoltaic and optoelectronic device applications.
About AsKSn
AsKSn is a semiconducting ternary compound that occupies a stable position on the convex hull, marking it as a significant candidate for structural investigation. Its electronic character makes it a subject of interest for researchers exploring the next generation of optoelectronic materials.
This material is part of a broader class of perovskite-related structures that are currently being evaluated for their potential in thin-film solar cell technologies. Its stability profile suggests it could serve as a robust platform for further material engineering and device integration.
Key Properties
Cross-validated computational properties for AsKSn, 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 AsKSn, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 0.52 | 0.0000 | -4.126 | 4.23 |
| P63mc (No. 186) | hexagonal | 0.34 | 0.0000 | -3.656 | 4.05 |
| P3m1 (No. 156) | — | — | — | — | — |
| — | — | — | — | — | 3.94 |
Applications
Where AsKSn is used.
Frequently Asked Questions
Common questions about AsKSn, answered from cross-validated data.
What is AsKSn?
AsKSn is a thermodynamically stable semiconducting material investigated for its potential role in advanced photovoltaic and optoelectronic device applications.
What is AsKSn used for?
What is the band gap of AsKSn?
Is AsKSn a metal, semiconductor, or insulator?
Is AsKSn thermodynamically stable?
What is the crystal structure of AsKSn?
What is the density of AsKSn?
How many polymorphs of AsKSn are known?
What elements does AsKSn contain?
Where does the data for AsKSn come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the diverse landscape of halide perovskite-related materials, AsKSn offers a distinct structural profile compared to well-known members like CsSnI3 or CsPbBr3. While many of its siblings are primarily recognized for their high-efficiency light-harvesting capabilities, AsKSn provides a unique compositional alternative that expands the chemical space available for designing stable, high-performance semiconducting architectures.
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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