Li2 As2 S4

semiconductor

· Li2 As2 S4

Li2As2S4 is an inorganic semiconductor compound belonging to the lithium chalcogenide family, combining lithium, arsenic, and sulfur in a crystalline structure. This material is primarily investigated in research contexts for solid-state battery electrolytes and photovoltaic applications, where its ionic conductivity and optical properties are of interest. While not yet widely deployed in mainstream production, compounds in this material class are notable for their potential in all-solid-state battery systems and next-generation energy storage devices as alternatives to conventional liquid electrolytes.

solid-state battery electrolytesphotovoltaic materials researchion-conducting ceramicsnext-generation energy storagethin-film semiconductor devicesexperimental optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9263	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7100	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.

Li2 As2 S4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control