K2MnSnSe4
semiconductor· K2MnSnSe4
K2MnSnSe4 is a quaternary chalcogenide semiconductor compound composed of potassium, manganese, tin, and selenium. This is a research-phase material under investigation for its potential optoelectronic and thermoelectric properties, belonging to the broader family of multinary semiconductors that exhibit tunable bandgaps and mixed-valence capabilities. The manganese and tin cations combined with selenide provide opportunities for applications requiring non-toxic alternatives to heavy-metal-based semiconductors, though practical industrial deployment remains exploratory.
photovoltaic researchthermoelectric devicesoptoelectronic componentsnon-toxic semiconductor developmentsolid-state energy conversion
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)2 entries | — | eV | — | — | |
| ↳ | — | eV | — | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.