K12 Sb4 Se12

semiconductor

· K12 Sb4 Se12

K12Sb4Se12 is a layered chalcogenide semiconductor compound belonging to the family of metal antimony selenides, which are characterized by their tunable band gaps and ionic-electronic mixed conductivity. This material is primarily of research and developmental interest for thermoelectric energy conversion and solid-state ionics applications, where its layered structure and mixed-valence chemistry offer potential advantages over conventional materials in terms of phonon scattering and ion mobility; it represents an emerging class of materials being investigated to improve efficiency in waste heat recovery and next-generation solid electrolytes for energy storage devices.

thermoelectric power generationsolid-state ionic conductorsadvanced semiconductor researchwaste heat recoverynext-generation battery electrolytesmaterials physics research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.244	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.042	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.

K12 Sb4 Se12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control