Cr4 Cu2 Se8

semiconductor

· Cr4 Cu2 Se8

Cr₄Cu₂Se₈ is a ternary chalcogenide semiconductor compound combining chromium, copper, and selenium in a fixed stoichiometric ratio. This material belongs to the family of mixed-metal selenides, which are of primary interest in photovoltaic research and solid-state electronics due to their tunable band gaps and layered crystal structures. While not yet commercialized at production scale, compounds in this class are being investigated for next-generation thin-film solar cells, photodetectors, and potential thermoelectric applications where copper and chromium selenides offer advantages in earth-abundance and cost compared to conventional semiconductors.

thin-film photovoltaicsphotodetector researchthermoelectric devicesoptoelectronic prototypingmaterials research (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02100	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4750	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.

Cr4 Cu2 Se8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control