CuP4Se4I

metal

· JVASP-29653· CuP4Se4I

CuP₄Se₄I is a mixed-anion copper chalcogenide compound combining copper, phosphorus, selenium, and iodine into a single crystalline phase. This is a research-stage material rather than an established industrial product, belonging to the family of multinary semiconductors and ion-conducting compounds that have attracted attention for their tunable electronic and ionic properties. The material's potential relevance lies in solid-state energy storage, photovoltaic applications, or ion-transport-based devices where the mixed-anion structure could enable novel charge-carrier dynamics or superionic behavior.

Solid-state batteries (research phase)Semiconductor devices (experimental)Photovoltaic/solar cells (emerging applications)Ion conductors and electrochemical cellsMaterials discovery and screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.799	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	1.621	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-301.7	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.1097	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.

CuP4Se4I

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control