Cu1 I4

semiconductor

· Cu1 I4

CuI₄ is a copper iodide compound belonging to the halide semiconductor family, characterized by a layered crystal structure and direct bandgap properties that make it responsive to visible and near-infrared light. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where its tunable bandgap and potential for solution-processable device fabrication offer advantages over conventional inorganic semiconductors. Engineers consider CuI₄ for next-generation thin-film solar cells, photodetectors, and light-emitting devices, though development remains largely in the academic stage; its stability and scalability compared to lead-halide perovskites continue to be active areas of study.

thin-film photovoltaicsphotodetectorslight-emitting devicesoptoelectronic researchhalide semiconductorsnext-generation solar cells

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	20.11	GPa	—
Shear Modulus(G)	9.087	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01340	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.04200	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 I4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control