Rb2TiCu2S4

Name: Rb2TiCu2S4
Brand: MatWorld

semiconductor

· Rb2TiCu2S4

Rb2TiCu2S4 is a quaternary sulfide semiconductor compound combining rubidium, titanium, and copper in a layered crystal structure. This is a research-phase material studied primarily for its electronic and photonic properties; it belongs to the family of mixed-metal chalcogenides that show promise for next-generation energy conversion and quantum applications. Interest in this compound centers on its potential for photovoltaic devices, thermoelectric energy harvesting, and topological or strongly-correlated electronic behavior—areas where conventional semiconductors reach performance limits.

photovoltaic researchthermoelectric devicesquantum electronicsexperimental semiconductorsenergy conversion systemsmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,492.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	3,245.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1370	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	1.725	eV	DFT · OptB88vdW
↳	1.735	eV	DFT · TBmBJ
↳	2.190	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.368	-	DFT · OptB88vdW
↳	6.252	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.923	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.687	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000833	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00136	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-313.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	364.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	28.65	%	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)	-1.182	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.

Rb2TiCu2S4 — Properties & Data | MatWorld

Rb2TiCu2S4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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