K2Y4Cu4Se9
metal· JVASP-133709· K2Y4Cu4Se9
K2Y4Cu4Se9 is a ternary metal selenide compound containing potassium, yttrium, copper, and selenium. This is a research-phase material rather than an established engineering alloy; compounds in this family are typically investigated for their potential electronic, thermoelectric, or photovoltaic properties due to the layered structures and mixed-valence chemistry characteristic of selenide systems. Engineers and material scientists would consider this material primarily in exploratory applications where novel electronic behavior or energy conversion efficiency could provide advantages over conventional semiconductors or thermoelectric materials.
thermoelectric power generation (research)semiconductor devices (experimental)photovoltaic cells (research phase)solid-state electronicsenergy conversion materialsmaterials discovery & development
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 | — | — |
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.