Cu2SO4

Cu2SO4 is a thermodynamically stable, semiconducting inorganic compound containing copper, sulfur, and oxygen.

CuOS
Crystal structure of Cu2SO4
Ground-state structure · Materials Project
Overview

About Cu2SO4

Cu2SO4 is a distinct inorganic compound composed of copper, sulfur, and oxygen. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration within its chemical system, offering significant interest for researchers studying stable copper-based salts.

This material exhibits semiconducting electronic character, making it a subject of investigation for potential electronic and optoelectronic applications. With multiple reported structures across various databases, it is a well-documented subject for those exploring the structural diversity of copper sulfates.

At a glance

Key Properties

Cross-validated computational properties for Cu2SO4, aggregated across 4 databases.

Band Gap

0.05–1.48 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

14
4 databases, 9 space groups
Uses

Applications

Where Cu2SO4 is used.

Materials science researchSolid-state chemistry studiesSemiconductor device development
Reference

Frequently Asked Questions

Common questions about Cu2SO4, answered from cross-validated data.

What is Cu2SO4?

Cu2SO4 is a thermodynamically stable, semiconducting inorganic compound containing copper, sulfur, and oxygen.

More questions
What is Cu2SO4 used for?
Cu2SO4 is used in materials science research, solid-state chemistry studies, and semiconductor device development.
What is the band gap of Cu2SO4?
Cu2SO4 has a DFT-computed band gap of 0.05–1.48 eV across 14 reported structures.
Is Cu2SO4 a metal, semiconductor, or insulator?
With a band gap up to 1.48 eV it is a semiconductor.
Is Cu2SO4 thermodynamically stable?
Yes — Cu2SO4 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Cu2SO4 are known?
14 structures of Cu2SO4 are reported across 4 databases, spanning 9 distinct space groups.
What elements does Cu2SO4 contain?
Cu2SO4 contains Cu, O, and S (3 elements).
Where does the data for Cu2SO4 come from?
Cu2SO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a thermodynamically stable member of the copper sulfate family, Cu2SO4 serves as a foundational reference point for understanding the phase stability and electronic behavior of copper-based chalcogenides and oxoanions.

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

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