K2 Sb4 Se8

semiconductor
· K2 Sb4 Se8

K₂Sb₄Se₈ is a quaternary chalcogenide semiconductor compound combining potassium, antimony, and selenium—a material family of interest for solid-state electronics and energy conversion applications. This compound remains primarily in research and development phases, investigated for potential use in thermoelectric devices, photovoltaic absorbers, and phase-change memory applications where the combination of heavy elements and chalcogen bonding can provide useful electronic and thermal properties. Engineers considering this material should expect it as an experimental compound rather than an established commercial product; its appeal lies in the broader potential of antimony selenides and potassium-containing chalcogenides to offer tunable bandgaps and moderate mechanical stiffness for niche semiconductor applications.

thermoelectric devices (research)thin-film photovoltaics (experimental)phase-change memory (development)solid-state electronicsoptoelectronic compounds

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.