PbI2 (Lead Iodide)

PbI2 PbI2 is a semiconductor 2D material having a bandgap of ~2.58eV. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. To buy PbI2 crystals please click here.

The PbI2 crystals produced at HQ Graphene have a typical lateral size of ~0.5 cm and have a yellow appearance. More information about the PbI2 crystals we sell can be found below.

PbI2 crystal properties
Crystal size ~5 mm
Electrical properties Semiconductor
Crystal structure Trigonal
Unit cell parameters a = b = 0.456 nm, c = 0.700 nm, α = β = 90°, γ = 120°
Monolayer properties Link to C2DB containing calculated properties
Type Synthetic
Purity >99.995 %
Characterized by XRD, EDX
More information? Please contact us by email or phone

The single crystal PbI2 is characterized using:

XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker)
EDX: Energy-dispersive X-ray spectroscopy for stoichiometric analysis

XRD and EDX on PbI2:

Click on an image to zoom

Powder X-ray diffraction (XRD) of a single crystal PbI2. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal PbI2 by Energy-dispersive X-ray spectroscopy (EDX).

HQ Graphene Wiki on:


1. Golovynskyi, S., et al. "Free exciton and bound excitons on Pb and I vacancies and O and I substituting defects in PbI2: Photoluminescence and DFT calculations." Applied Surface Science 624 (2023): 157128.

2. Lee, W., et al. "Spin-orbit effects on the electronic and optical properties of lead iodide." Applied Physics Letters 122.21 (2023).


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