Cu4In12K8Se24
Cu4In12K8Se24 is a thermodynamically stable semiconducting chalcogenide material used in photovoltaic research.
About Cu4In12K8Se24
Cu4In12K8Se24 is a complex quaternary chalcogenide that functions as a semiconducting material. Its position on the thermodynamic convex hull indicates high structural stability, making it a robust candidate for advanced materials research in the photovoltaic sector.
As a member of the chalcogenide absorber class, this compound is primarily investigated for its potential to convert light into electrical energy. Its unique elemental composition allows for electronic tuning, which is essential for developing efficient thin-film solar cell technologies.
Key Properties
Cross-validated computational properties for Cu4In12K8Se24, 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 Cu4In12K8Se24, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 1.20 | 0.0000 | -3.946 | 4.35 |
| — | — | — | — | — | 4.26 |
| C2/c (No. 15) | — | — | — | — | — |
Applications
Where Cu4In12K8Se24 is used.
Frequently Asked Questions
Common questions about Cu4In12K8Se24, answered from cross-validated data.
What is Cu4In12K8Se24?
Cu4In12K8Se24 is a thermodynamically stable semiconducting chalcogenide material used in photovoltaic research.
What is Cu4In12K8Se24 used for?
What is the band gap of Cu4In12K8Se24?
Is Cu4In12K8Se24 a metal, semiconductor, or insulator?
Is Cu4In12K8Se24 thermodynamically stable?
What is the crystal structure of Cu4In12K8Se24?
What is the density of Cu4In12K8Se24?
How many polymorphs of Cu4In12K8Se24 are known?
What elements does Cu4In12K8Se24 contain?
Where does the data for Cu4In12K8Se24 come from?
How It Compares
Within the chalcogenide photovoltaic absorbers class.
Within the diverse family of chalcogenide absorbers, Cu4In12K8Se24 offers a distinct structural complexity compared to simpler binary or ternary systems like Cu2SnSe3. While many of its siblings focus on optimizing standard copper-indium-gallium-selenide architectures, this compound provides a unique platform for exploring alternative lattice configurations and electronic band structures.
Related Compounds
Other Chalcogenide Photovoltaic Absorbers 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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