Cu4 Se8 Rb2 Ta2

semiconductor
· Cu4 Se8 Rb2 Ta2

Cu₄Se₈Rb₂Ta₂ is a quaternary chalcogenide semiconductor compound combining copper, selenium, rubidium, and tantalum in a layered crystalline structure. This is primarily a research-phase material studied for its potential in thermoelectric and photovoltaic applications, where the combination of heavy elements (Rb, Ta) and chalcogen bonding offers prospects for tuning band gaps and reducing lattice thermal conductivity. Engineers would consider this material family when exploring next-generation energy conversion devices or optoelectronic applications requiring non-toxic, earth-abundant alternatives to traditional semiconductors, though it remains largely in exploratory synthesis and characterization phases rather than established industrial production.

thermoelectric energy conversionphotovoltaic researchchalcogenide semiconductorssolid-state electronicsmaterials research and developmentlayered crystal structures

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.