Li2GePbS4

ceramic
· Li2GePbS4

Li₂GePbS₄ is a mixed-cation sulfide ceramic compound combining lithium, germanium, and lead in a sulfide matrix, representing a class of materials explored for solid-state ionic and optoelectronic applications. This composition falls within the research domain of superionic conductors and photovoltaic semiconductors, where the combination of light alkali metal (Li) with post-transition metals in a sulfide framework offers potential for fast lithium-ion transport or tunable bandgap properties. While primarily a laboratory material rather than a mainstream commercial compound, compounds in this family are investigated as potential solid electrolytes for all-solid-state batteries or as absorber layers in thin-film solar cells, where the multi-cation structure may provide advantages in ionic mobility or defect tolerance over simpler binary systems.

solid-state battery electrolytesall-solid-state energy storagethin-film photovoltaicssemiconductor researchionic conductor developmentnext-generation energy materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)2 entries
C/m²
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
µV/K
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

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.