Cu8 Se4

semiconductor

· Cu8 Se4

Cu8Se4 is a copper selenide compound semiconductor, representing a mixed-valence copper chalcogenide material with potential applications in solid-state electronics and photovoltaics. This is primarily a research and development material rather than an established commercial product; copper selenides are studied for their semiconductor properties, variable bandgap characteristics, and potential in next-generation thin-film devices. Engineers and researchers investigate Cu8Se4 and related copper selenide phases for their tunable electronic properties and cost-effective alternatives to conventional semiconductors, though scalable manufacturing routes and long-term stability remain active development areas.

photovoltaic devicesthin-film semiconductorsthermoelectric materials researchoptoelectronic applicationsmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	78.63	GPa	—
Shear Modulus(G)	26.86	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01030	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.05500	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.

Cu8 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control