K2Ag2SnSe4

metal
· JVASP-54805· K2Ag2SnSe4

K2Ag2SnSe4 is a quaternary chalcogenide compound containing potassium, silver, tin, and selenium—a research-phase material rather than an established commercial alloy. This compound belongs to the family of metal chalcogenides being investigated for semiconductor and photovoltaic applications, particularly where tunable band gaps and mixed-metal compositions offer advantages over binary or ternary systems. Engineers would consider this material primarily in advanced optoelectronic research contexts, as quaternary systems like this can offer improved photon absorption, tunable electronic properties, and potential cost or performance benefits over simpler alternatives; however, it remains largely in academic or early development stages with limited industrial deployment.

photovoltaic researchsemiconductor band-gap engineeringthermoelectric materials developmentinfrared detector materialsmaterials research and prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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kg/m³——
Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)
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Magnetic Moment(μB)
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µB——
Seebeck Coefficient(S)
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µV/K——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.