In5CuSe8
In5CuSe8 is a stable semiconducting chalcogenide material primarily investigated for its potential as an absorber layer in photovoltaic solar cells.
About In5CuSe8
In5CuSe8 is a semiconducting chalcogenide compound that exists as a thermodynamically stable phase within its chemical system. Its electronic structure and stability make it a compelling candidate for research in thin-film solar cell technologies.
This material serves as a specialized absorber layer designed to capture light across the solar spectrum. By leveraging its unique composition, researchers aim to optimize charge carrier dynamics and improve the overall efficiency of next-generation photovoltaic devices.
Key Properties
Cross-validated computational properties for In5CuSe8, 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 In5CuSe8, 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. |
|---|---|---|---|---|---|
| P-42m (No. 111) | tetragonal | 0.45 | 0.0000 | -17.667 | 5.34 |
| P-42m (No. 111) | Tetragonal | — | — | — | 5.18 |
| P-42m (No. 111) | Tetragonal | — | — | — | 5.42 |
| P-42m (No. 111) | Tetragonal | — | — | — | 5.35 |
| P-42m (No. 111) | — | — | — | — | — |
Applications
Where In5CuSe8 is used.
Frequently Asked Questions
Common questions about In5CuSe8, answered from cross-validated data.
What is In5CuSe8?
In5CuSe8 is a stable semiconducting chalcogenide material primarily investigated for its potential as an absorber layer in photovoltaic solar cells.
What is In5CuSe8 used for?
What is the band gap of In5CuSe8?
Is In5CuSe8 a metal, semiconductor, or insulator?
Is In5CuSe8 thermodynamically stable?
What is the crystal structure of In5CuSe8?
What is the density of In5CuSe8?
How many polymorphs of In5CuSe8 are known?
What elements does In5CuSe8 contain?
Where does the data for In5CuSe8 come from?
How It Compares
Within the chalcogenide photovoltaic absorbers class.
Within the diverse family of chalcogenide photovoltaic absorbers, In5CuSe8 occupies a distinct niche compared to multi-component systems like Cu2SnSe3. While many class members focus on copper-tin-chalcogenide frameworks, this indium-rich compound offers a different stoichiometric balance that influences its structural stability and optoelectronic response, positioning it as a valuable alternative for band-gap engineering in thin-film applications.
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).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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