Rb2VCuS4

Name: Rb2VCuS4
Brand: MatWorld

semiconductor

· Rb2VCuS4

Rb2VCuS4 is a quaternary chalcogenide semiconductor compound containing rubidium, vanadium, copper, and sulfur. This is a research-phase material studied for its potential in photovoltaic and thermoelectric applications, representing an emerging class of mixed-metal sulfides designed to optimize band gap and carrier transport properties. Interest in this compound stems from the varied electronic contributions of its constituent elements and the potential for tunable optoelectronic performance in thin-film or bulk semiconductor devices.

experimental photovoltaic absorbersthermoelectric energy conversionthin-film semiconductor researchmixed-valence semiconductor studiesmaterials discovery and screeningsolid-state physics research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1182	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.850	eV	Measured
↳	1.297	eV	DFT · OptB88vdW
↳	1.295	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.414	-	DFT · OptB88vdW
↳	6.074	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000735	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00141	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-350.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	337.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.33	%	DFT · TBmBJ

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)	-1.151	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.

Rb2VCuS4 — Properties & Data | MatWorld

Rb2VCuS4

Physical Properties

Electrical Properties

Other Properties

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