Cu4 Se8 Sn2 Ba2

semiconductor

· Cu4 Se8 Sn2 Ba2

Cu₄Se₈Sn₂Ba₂ is a quaternary chalcogenide semiconductor compound combining copper, selenium, tin, and barium elements. This is primarily a research material explored for thermoelectric and optoelectronic applications, rather than an established industrial semiconductor; compounds in this family are investigated for their potential to achieve high figure-of-merit values through complex crystal structures and phonon-scattering mechanisms. Engineers considering this material would be evaluating it for next-generation energy conversion or solid-state electronic devices where conventional semiconductors present thermal or performance limitations.

thermoelectric generatorswaste heat recoverysolid-state cooling devicesoptoelectronic researchexperimental semiconductor devicesmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.03050	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7580	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.

Cu4 Se8 Sn2 Ba2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control