Cu4 As2

semiconductor

· Cu4 As2

Cu4As2 is an intermetallic semiconductor compound composed of copper and arsenic, belonging to the III-V and related compound semiconductor family. This material is primarily of research and laboratory interest rather than high-volume industrial production, with potential applications in optoelectronics and photovoltaic devices where its semiconductor bandgap properties could be leveraged. Engineers would consider Cu4As2 mainly in specialized contexts requiring arsenic-bearing semiconductors, though more established alternatives like GaAs and CdTe dominate practical photovoltaic and IR detector applications.

photovoltaic researchoptoelectronic devicesinfrared detectorscompound semiconductor developmentlaboratory/experimental electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00330	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.04700	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 As2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control