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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — | |
Seebeck Coefficient(S) | — | µV/K | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | 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.