Li2 Se1

semiconductor

· Li2 Se1

Lithium selenide (Li₂Se) is an ionic semiconductor compound belonging to the II-VI semiconductor family, characterized by a direct bandgap and high ionic conductivity. While primarily investigated in research and development contexts rather than established commercial production, Li₂Se is of interest for solid-state battery electrolytes, photovoltaic devices, and fast-ion conductor applications where its lithium-ion transport properties and chemical stability offer potential advantages over conventional oxide-based alternatives.

Solid-state battery electrolytesResearch-phase ionic conductorsPhotovoltaic window layersHigh-temperature thermal insulatorsX-ray/gamma-ray detectors (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,124.6	ksi	—
Shear Modulus(G)	4,066.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.252	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.357	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 Se1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control