Cu2 Se2 Ba1

semiconductor

· Cu2 Se2 Ba1

Cu₂Se₂Ba₁ is an experimental ternary semiconductor compound combining copper, selenium, and barium elements. This material belongs to the broader family of mixed-metal chalcogenides, which are primarily investigated in research settings for their electronic and optical properties rather than established commercial production. Interest in this compound family centers on potential applications in thermoelectric energy conversion and photovoltaic devices, where the mixed-metal composition may offer tunable band gaps and improved charge carrier mobility compared to binary alternatives.

thermoelectric energy harvestingphotovoltaic researchsemiconductor device developmentexperimental optoelectronicsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	59.61	GPa	—
Shear Modulus(G)	22.07	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2637	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9070	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.

Cu2 Se2 Ba1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control