Rb2NbCuS4 — Properties & Data | MatWorld

Rb2NbCuS4

Name: Rb2NbCuS4
Brand: MatWorld

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:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.401	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.640	eV	Measured
↳	2.018	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	5.732	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000887	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00116	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-328.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	366.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.176	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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.

Rb2NbCuS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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