CuInS2
CuInS2 has a DFT band gap of 0.04 eV across 6 reported structures in 3 space groups. Cross-validated across 2 computational databases.
At a glance
Key Properties
Cross-validated computational properties for CuInS2, 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.
0.04 eV
Range across DFT structures
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
6
2 databases, 3 space groups
Synthesis
Synthesis Routes
Literature-extracted synthesis procedures targeting CuInS2.
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Intellectual Property
Patent Landscape
3 patents reference CuInS2 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 4687881 | Solar cells based on CuInS.sub.2 | — | — |
| 4180625 | Semiconductor liquid junction photocell using a CuInS.sub.2 electrode | — | — |
| 8053029 | Method for fabricating CuInS2 thin film by metal organic chemical vapor deposition, CuInS2 thin film fabricate | — | — |
Reference
Frequently Asked Questions
Common questions about CuInS2, answered from cross-validated data.
What is the band gap of CuInS2?
CuInS2 has a DFT-computed band gap of 0.04 eV across 6 reported structures.
More questions
Is CuInS2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is CuInS2 thermodynamically stable?
Yes — CuInS2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CuInS2 are known?
6 structures of CuInS2 are reported across 2 databases, spanning 3 distinct space groups.
How is CuInS2 synthesized?
Literature-reported routes for CuInS2 include solid state (4 procedures documented).
What elements does CuInS2 contain?
CuInS2 contains Cu, In, and S (3 elements).
Where does the data for CuInS2 come from?
CuInS2 data is cross-referenced from latticegraph.
Explore
Related Compounds
Other Chalcogenide Photovoltaic Absorbers in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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