CuSbSe2
Copper antimony selenide
Copper antimony selenide is a semiconductor material composed of copper, antimony, and selenium. It is primarily researched for its potential use in thin-film solar cells and optoelectronic devices due to its favorable light-absorbing properties.

Key Properties
Cross-validated computational properties for CuSbSe2, 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 CuSbSe2, 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 | 0.50 | 0.0147 | -16.543 | 5.94 |
| Pnma (No. 62) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
Applications
Where CuSbSe2 is used.
Frequently Asked Questions
Common questions about CuSbSe2, answered from cross-validated data.
What is CuSbSe2?
Copper antimony selenide is a semiconductor material composed of copper, antimony, and selenium. It is primarily researched for its potential use in thin-film solar cells and optoelectronic devices due to its favorable light-absorbing properties.
What is CuSbSe2 used for?
What is the band gap of CuSbSe2?
Is CuSbSe2 a metal, semiconductor, or insulator?
Is CuSbSe2 thermodynamically stable?
What is the crystal structure of CuSbSe2?
What is the density of CuSbSe2?
How many polymorphs of CuSbSe2 are known?
What elements does CuSbSe2 contain?
Where does the data for CuSbSe2 come from?
Related Compounds
Other Bismuth Chalcogenide Thermoelectrics in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
Analyze CuSbSe2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →