K8 Te4 Se12

semiconductor

· K8 Te4 Se12

K₈Te₄Se₁₂ is a mixed chalcogenide semiconductor compound combining potassium with tellurium and selenium, representing a complex ternary system within the broad family of metal chalcogenide semiconductors. This material belongs to an emerging class of compounds under investigation for thermoelectric and optoelectronic applications, where the combination of elements offers potential for tuning band gap and phonon scattering behavior. While primarily a research-phase material rather than a mature commercial product, compounds in this family are valued by materials scientists exploring alternatives to conventional semiconductors where low thermal conductivity or specific optical properties are advantageous.

thermoelectric energy conversionoptoelectronic researchsolid-state physics researchphotovoltaic materials developmentthermal management devicesemerging semiconductor alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.622	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7510	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.

K8 Te4 Se12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control