Cu2 Bi2

semiconductor

· Cu2 Bi2

Cu2Bi2 is a bismuth-copper intermetallic compound belonging to the semiconductor class, representing a research-phase material in the copper-bismuth binary system. This material is under investigation primarily for thermoelectric and optoelectronic applications, where the coupling of copper's electrical conductivity with bismuth's thermoelectric properties offers potential for energy conversion devices and photodetection systems. As an experimental compound rather than a mature engineering material, Cu2Bi2 is notable within materials research for its possible applications in waste heat recovery and infrared sensing, though it remains primarily a laboratory-stage material requiring further development before widespread industrial deployment.

thermoelectric energy conversioninfrared photodetectorswaste heat recoverysemiconductor researchoptoelectronic devicesmaterials exploration—bismuth compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00920	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.1020	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 Bi2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control