Cu6 Se4

semiconductor

· Cu6 Se4

Cu₆Se₄ is a mixed-valence copper selenide semiconductor compound belonging to the family of chalcogenide semiconductors. This material is primarily of research and development interest rather than established commercial production, with potential applications in optoelectronic and thermoelectric devices where its semiconducting properties and layered crystal structure could offer advantages in energy conversion or light-emitting applications. The copper selenide family is notable for tunable band gaps and ionic conductivity, making it a candidate for next-generation photovoltaic absorbers and solid-state ionic devices, though most commercial deployment remains limited compared to more mature semiconductor systems.

thermoelectric devicesphotovoltaic researchoptoelectronic applicationssolid-state ionic conductorsexperimental semiconductorschalcogenide materials research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	74.90	GPa	—
Shear Modulus(G)	20.12	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02510	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1290	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Cu6 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control