Rb4 Ti2 Cu4 S8
semiconductor· Rb4 Ti2 Cu4 S8
Rb₄Ti₂Cu₄S₈ is a quaternary sulfide semiconductor compound combining rubidium, titanium, and copper in a mixed-valence structure. This is primarily a research material investigated for its electronic and ionic transport properties rather than an established commercial material; compounds in this family are explored for solid-state battery electrolytes, photovoltaic absorbers, and thermoelectric applications where the combination of transition metals and alkali elements can enable tunable band gaps and enhanced charge carrier mobility.
solid-state battery electrolytes (research)thin-film photovoltaics (experimental)thermoelectric generators (developmental)chalcogenide semiconductorsmixed-valence ionic conductorsmaterials screening and computational studies
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.