Li4 Al4 Se8

semiconductor

· Li4 Al4 Se8

Li₄Al₄Se₈ is a quaternary semiconductor compound combining lithium, aluminum, and selenium—a representative member of mixed-cation chalcogenide semiconductors. This is primarily a research material under investigation for solid-state ionics and optoelectronic applications, rather than an established industrial product. The material's appeal lies in its potential for all-solid-state battery electrolytes and photovoltaic devices, where the combination of ionic conductivity and wide bandgap semiconducting behavior could enable safer, higher energy-density energy storage and efficient light harvesting in next-generation devices.

solid-state batteriesphotovoltaic researchionic conductorsthermal management windowsquantum optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,762.8	ksi	—
Shear Modulus(G)	2,790.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.202	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.178	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.

Li4 Al4 Se8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control