K1 Tl2 Bi1

semiconductor

· K1 Tl2 Bi1

K1Tl2Bi1 is an experimental ternary semiconductor compound combining potassium, thallium, and bismuth in a 1:2:1 stoichiometric ratio. This material belongs to the family of mixed-metal chalcogenide and pnictide semiconductors under active research for next-generation electronic and optoelectronic applications. While not yet widely commercialized, compounds in this class are investigated for potential use in thermoelectric devices, photovoltaic absorbers, and narrow-bandgap semiconductor applications where tunable electronic properties are advantageous over conventional binary semiconductors.

experimental semiconductorsthermoelectric devicesphotovoltaic researchnarrow-bandgap electronicsmaterials researchsolid-state physics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01540	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2560	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.

K1 Tl2 Bi1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control