K12 As4 Se12

semiconductor
· K12 As4 Se12

K₁₂As₄Se₁₂ is a quaternary chalcogenide semiconductor compound belonging to the family of complex metal chalcogenides, characterized by a layered or framework structure incorporating potassium, arsenic, and selenium. This material is primarily of research interest for solid-state electronics and photonics applications, where its unique band structure and optical properties are being explored for potential use in infrared sensing, nonlinear optical devices, and specialized semiconductor applications where conventional materials are inadequate. The incorporation of potassium and the As-Se framework offers tunable electronic properties and thermal stability advantages compared to simple binary or ternary chalcogenides, making it notable for niche high-performance optoelectronic and specialized thermoelectric research contexts.

infrared detectors and sensorsnonlinear optical materialsexperimental semiconductor researchphotonic device developmentthermoelectric applicationssolid-state electronics

Compliance & Regulations

?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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

Quality & Standards

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.