PbI2 — Properties & Data | MatWorld

PbI2

Name: PbI2
Brand: MatWorld

semiconductor

· PbI2

Lead iodide (PbI₂) is a layered semiconducting compound that belongs to the halide perovskite family, characterized by a hexagonal crystal structure and van der Waals-bonded layers. While primarily investigated as a research material for next-generation optoelectronic devices, PbI₂ is industrially significant as a precursor material in the synthesis of hybrid organic-inorganic perovskites (such as methylammonium lead iodide) used in high-efficiency photovoltaic cells and light-emitting applications. Engineers select PbI₂ for its tunable bandgap, strong light-absorption characteristics, and solution-processability, making it attractive for low-cost, scalable thin-film device manufacturing where conventional silicon or III-V semiconductors are cost-prohibitive.

perovskite solar cellsthin-film photovoltaicsoptoelectronic deviceslight-emitting diodes (LEDs)X-ray detectiongamma radiation detection

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,074	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	87.36	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	925.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2143	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	2.360	eV	Measured
↳	2.242	eV	DFT · OptB88vdW
↳	3.133	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	20.24	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.035	-	DFT · OptB88vdW
↳	5.526	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5733	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.9733	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.000	C/m²	DFT · OptB88vdW
↳	0.00202	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000822	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00255	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-123.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	342.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.240	%	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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00170	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.6585	eV/atom	DFT · OptB88vdW
↳	-0.6056	eV/atom	Measured

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.

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

Export Control

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.

PbI2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control