CuS2

Copper disulfide · Cupric disulfide

CuS2 is a metallic copper-sulfur compound known for its structural variety and potential utility in electrochemical and electronic applications.

CuS
Crystal structure of CuS2
Ground-state structure · Materials Project
Overview

About Copper disulfide

Copper disulfide is a metallic compound characterized by its sulfur-rich stoichiometry. As a near-hull material, it is considered thermodynamically accessible and is supported by a significant body of structural data, reflecting its complex coordination chemistry.

Its metallic nature makes it a subject of interest for researchers investigating conductive inorganic materials. The compound's ability to exist in numerous structural configurations allows for versatile applications in electrochemical systems and advanced material synthesis.

At a glance

Key Properties

Cross-validated computational properties for Copper disulfide, aggregated across 4 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.005 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
3 DFT sources

Structures

73
4 databases, 21 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CuS2.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Copper disulfide is used.

Energy storage materialsElectrochemical sensorsSemiconductor researchPhotovoltaic material development
Reference

Frequently Asked Questions

Common questions about Copper disulfide, answered from cross-validated data.

What is CuS2?

CuS2 is a metallic copper-sulfur compound known for its structural variety and potential utility in electrochemical and electronic applications.

More questions
What is CuS2 used for?
Copper disulfide (CuS2) is used in energy storage materials, electrochemical sensors, semiconductor research, and photovoltaic material development.
What is the band gap of CuS2?
Copper disulfide (CuS2) is computed to be metallic (no band gap) in the reported DFT structures.
Is CuS2 a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is CuS2 thermodynamically stable?
Copper disulfide (CuS2) has a lowest energy above hull of 0.005 eV/atom (near hull (likely stable)).
How many polymorphs of CuS2 are known?
73 structures of CuS2 are reported across 4 databases, spanning 21 distinct space groups.
How is CuS2 synthesized?
Literature-reported routes for CuS2 include solid state (2 procedures documented).
What elements does CuS2 contain?
Copper disulfide (CuS2) contains Cu and S (2 elements).
Where does the data for CuS2 come from?
CuS2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone member of the copper-sulfur system, CuS2 serves as a critical reference point for understanding the transition between simple binary sulfides and more complex polysulfides, highlighting the unique structural flexibility inherent in copper-based chalcogenides.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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