Pb5S2I6 — Properties & Data | MatWorld

Pb5S2I6

ceramic

· JVASP-12486· Pb5S2I6

Pb5S2I6 is a lead-based halide perovskite ceramic compound combining lead, sulfur, and iodine elements. This is an experimental material primarily studied in photovoltaic and optoelectronic research contexts, belonging to the broader family of halide perovskites that show promise for next-generation solar cells and light-emitting applications. While still in development phase rather than commercial production, lead halide compositions are investigated for their tunable bandgap, solution processability, and potential cost advantages over conventional semiconductors, though stability and lead toxicity concerns remain active research challenges.

photovoltaic researchperovskite solar cellsoptoelectronic deviceslight emission researchsemiconductor developmentnext-generation energy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,044.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	1,518.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2357	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)2 entries	1.805	eV	DFT · OptB88vdW
↳	2.546	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.255	-	DFT · OptB88vdW
↳	6.723	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00166	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000944	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-188.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	321.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	11.70	%	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)	0.01550	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6434	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.

Pb5S2I6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental