Cu1 I1

semiconductor

· Cu1 I1

Copper iodide (CuI) is a semiconductor compound belonging to the I-III family of materials, featuring a direct bandgap that makes it attractive for optoelectronic applications. This material is primarily of research and development interest rather than established high-volume industrial use, with potential applications in photovoltaic devices, photodetectors, and light-emitting systems where its semiconducting properties and relatively low toxicity offer advantages over conventional alternatives.

thin-film photovoltaicsphotodetectorsoptoelectronic researchLED developmentUV/visible light sensingexperimental semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	41.91	GPa	—
Shear Modulus(G)	14.59	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.250	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.1510	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.

Cu1 I1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control