K2CuCl3
K2CuCl3 is a semiconducting ternary halide compound that is considered a promising candidate for experimental synthesis.

About K2CuCl3
K2CuCl3 is a ternary copper-based halide that exhibits semiconducting electronic behavior. Its structural characteristics and composition place it as an intriguing subject for materials scientists exploring halide-based functional materials.
Because it is identified as a near-hull phase, this compound is considered a viable target for experimental synthesis. Its existence across multiple structural databases highlights its potential stability and relevance within the broader landscape of complex inorganic halides.
Key Properties
Cross-validated computational properties for K2CuCl3, aggregated across 4 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.
Applications
Where K2CuCl3 is used.
Frequently Asked Questions
Common questions about K2CuCl3, answered from cross-validated data.
What is K2CuCl3?
K2CuCl3 is a semiconducting ternary halide compound that is considered a promising candidate for experimental synthesis.
What is K2CuCl3 used for?
What is the band gap of K2CuCl3?
Is K2CuCl3 a metal, semiconductor, or insulator?
Is K2CuCl3 thermodynamically stable?
How many polymorphs of K2CuCl3 are known?
What elements does K2CuCl3 contain?
Where does the data for K2CuCl3 come from?
How It Compares
As a unique ternary halide, K2CuCl3 serves as a foundational example of copper-potassium-chloride systems. It represents a distinct structural configuration within the halide family, providing a baseline for understanding how varying stoichiometry influences the electronic properties of similar metal-halide frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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