PbI2
Lead(II) iodide · Lead iodide
Lead(II) iodide is a stable, semiconducting inorganic compound primarily used in the development of radiation detectors and optical materials.
About Lead(II) iodide
Lead(II) iodide is a thermodynamically stable compound that functions as a semiconductor. It is widely recognized for its high density and effective atomic number, which make it a favorable candidate for capturing high-energy radiation. The material is typically synthesized as a bright yellow powder or crystalline solid, valued for its optoelectronic properties in various solid-state applications. Its stability on the convex hull ensures it remains a reliable subject for structural research and device engineering.
Key Properties
Cross-validated computational properties for Lead(II) iodide, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where Lead(II) iodide is used.
Frequently Asked Questions
Common questions about Lead(II) iodide, answered from cross-validated data.
What is PbI2?
Lead(II) iodide is a stable, semiconducting inorganic compound primarily used in the development of radiation detectors and optical materials.
What is PbI2 used for?
What is the band gap of PbI2?
Is PbI2 a metal, semiconductor, or insulator?
Is PbI2 thermodynamically stable?
How many polymorphs of PbI2 are known?
What elements does PbI2 contain?
Where does the data for PbI2 come from?
How It Compares
As a prominent metal halide semiconductor, lead(II) iodide serves as a foundational material for studying heavy-metal-based optoelectronic systems. It is frequently utilized as a benchmark for developing high-performance radiation detectors and remains one of the most extensively characterized compounds within its chemical family.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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