Rb4 Ag4 Ge2 S8

semiconductor

· Rb4 Ag4 Ge2 S8

Rb₄Ag₄Ge₂S₈ is an experimental quaternary semiconductor compound combining rubidium, silver, germanium, and sulfur in a mixed-metal chalcogenide structure. This material belongs to the family of complex sulfide semiconductors that are primarily of research interest for solid-state applications, particularly where tunable bandgap properties and ionic-electronic dual conductivity could be exploited. While not yet commercialized in mainstream applications, materials of this class show potential in niche areas such as thin-film photovoltaics, solid-state ionic conductors, and specialized optoelectronic devices due to the combined electronic properties of transition metals (Ag, Ge) and alkali metal contributions.

experimental semiconductorssolid-state ionic conductorsthin-film photovoltaics researchoptoelectronic device developmentchalcogenide material systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,518	ksi	—
Shear Modulus(G)	1,606	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.878	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7530	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.

Rb4 Ag4 Ge2 S8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control