Cu2 As2

semiconductor

· Cu2 As2

Cu2As2 is a binary compound semiconductor composed of copper and arsenic, belonging to the family of II-V semiconductors with a layered or complex crystal structure. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with potential applications in optoelectronics and thermoelectric devices where its band gap and carrier transport properties could offer advantages over more conventional semiconductors. Engineers considering Cu2As2 would typically be exploring advanced device concepts in photovoltaics, infrared detection, or solid-state cooling rather than selecting it for conventional semiconductor manufacturing.

optoelectronic devices (experimental)thermoelectric materials (research)infrared detectors (development stage)high-frequency electronics (exploratory)compound semiconductor researchphotovoltaic materials (advanced concepts)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	14,540.9	ksi	—
Shear Modulus(G)	3,967.2	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000800	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.06600	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 As2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control