Rb2Cu2SnS4

semiconductor
· Rb2Cu2SnS4

Rb2Cu2SnS4 is a quaternary sulfide semiconductor compound containing rubidium, copper, tin, and sulfur, belonging to the family of layered metal chalcogenides. This material is primarily of research interest for photovoltaic and optoelectronic applications, as the copper-tin sulfide framework offers tunable band gap properties and potential for thin-film solar cells and light-emitting devices. While not yet widely deployed in commercial applications, compounds in this material family are being investigated as cost-effective alternatives to conventional semiconductors due to their abundant constituent elements and inherent structural properties.

photovoltaic researchthin-film solar cellsoptoelectronic devicessemiconductor researchchalcogenide materialsnext-generation solar absorbers

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
eV
eV
Magnetic Moment(μB)
µB
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

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.