K2 Au2 Se4

semiconductor
· K2 Au2 Se4

K2Au2Se4 is a ternary semiconductor compound combining potassium, gold, and selenium in a defined stoichiometric ratio, belonging to the family of mixed-metal chalcogenides. This material is primarily of research and development interest rather than established industrial production, with potential applications in optoelectronic devices and thermoelectric systems where its electronic band structure and carrier transport properties could be engineered for specific performance requirements. Engineers evaluating this compound should recognize it as an experimental material whose viability depends on synthesis scalability, phase stability, and cost-effectiveness compared to conventional semiconductors like silicon or established III-V compounds.

experimental optoelectronicsthermoelectric researchphotovoltaic developmentsolid-state physics prototypingmaterials screening for emerging devices

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.