Rb2NbCuS4

semiconductor
· Rb2NbCuS4

Rb2NbCuS4 is a ternary sulfide semiconductor compound combining rubidium, niobium, copper, and sulfur elements. This material belongs to the family of mixed-metal sulfides and is primarily investigated in research contexts for optoelectronic and photovoltaic applications, where layered or complex crystal structures can enable tunable bandgaps and enhanced light-matter interactions. Engineers considering this compound should note it represents an experimental material class rather than an established commercial product; its potential relevance lies in next-generation photovoltaic devices, nonlinear optical components, or solid-state electronics where unconventional metal combinations offer advantages over conventional semiconductors.

photovoltaic researchoptoelectronic devicesnonlinear opticssolid-state electronics (experimental)thin-film semiconductorsquantum materials research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
3.401
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
2.640
eV—
↳
2.018
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-328.8
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)
0.000
eV/atom—
Formation Energy(ΔHf)
-1.176
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.