Rb4PbBr6 — Properties & Data | MatWorld

Rb4PbBr6

ceramic

· JVASP-58890· Rb4PbBr6

Rb₄PbBr₆ is a halide perovskite ceramic compound composed of rubidium, lead, and bromine, belonging to the emerging class of metal halide materials studied for optoelectronic and photonic applications. This compound is primarily a research material rather than an established industrial product, investigated for potential use in next-generation solid-state light-emitting devices, scintillators, and radiation detection systems due to the favorable electronic and optical properties characteristic of lead-halide perovskites. Its significance lies in exploring alternatives and stability improvements over widely-studied methylammonium lead halides, though commercial deployment remains limited pending resolution of material stability, toxicity, and processing challenges.

radiation detection and scintillationoptoelectronic device researchsolid-state photonic materialsperovskite-based light emittersmaterials science researchhalide crystal engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1486	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.945	eV	DFT · OptB88vdW
↳	4.975	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.554	-	DFT · OptB88vdW
↳	2.817	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000525	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000503	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-413.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	332.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-1.638	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

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.

Rb4PbBr6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental