Li12 Bi4 S12

semiconductor

· Li12 Bi4 S12

Li₁₂Bi₄S₁₂ is a mixed-metal sulfide compound combining lithium, bismuth, and sulfur in a defined stoichiometric ratio. This material belongs to the family of inorganic sulfide semiconductors and remains primarily in the research and development phase, with its properties and performance characteristics still being evaluated for practical applications. The compound is of interest in solid-state ionics and thermoelectric research communities due to its potential for ion transport and thermal-electric coupling, though commercial deployment is not yet established.

solid-state batteries (research)ion-conducting electrolytes (experimental)thermoelectric devices (development)semiconductor researchenergy materials developmentexploratory thin films

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.055	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.015	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.

Li12 Bi4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control