As20K32Nb4Pb4
As20K32Nb4Pb4 is a thermodynamically stable semiconducting material composed of arsenic, potassium, niobium, and lead, studied for its potential in photovoltaic applications.

About As20K32Nb4Pb4
As20K32Nb4Pb4 is a complex semiconducting material recognized for its thermodynamic stability. As a member of the broader perovskite-related family, it represents a specialized structural arrangement of arsenic, potassium, niobium, and lead atoms that maintains a stable configuration on the convex hull.
This compound is of significant interest in materials science due to its unique electronic properties. It serves as a candidate for advanced photovoltaic and semiconductor research, where its structural integrity and electronic behavior are evaluated for next-generation energy conversion technologies.
Key Properties
Cross-validated computational properties for As20K32Nb4Pb4, aggregated across 3 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 As20K32Nb4Pb4 is used.
Frequently Asked Questions
Common questions about As20K32Nb4Pb4, answered from cross-validated data.
What is As20K32Nb4Pb4?
As20K32Nb4Pb4 is a thermodynamically stable semiconducting material composed of arsenic, potassium, niobium, and lead, studied for its potential in photovoltaic applications.
What is As20K32Nb4Pb4 used for?
What is the band gap of As20K32Nb4Pb4?
Is As20K32Nb4Pb4 a metal, semiconductor, or insulator?
Is As20K32Nb4Pb4 thermodynamically stable?
How many polymorphs of As20K32Nb4Pb4 are known?
What elements does As20K32Nb4Pb4 contain?
Where does the data for As20K32Nb4Pb4 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Unlike the more widely characterized halide perovskites such as CsPbBr3 or CsSnI3, which are frequently studied for their high-efficiency solar cell performance, As20K32Nb4Pb4 represents a more exotic and structurally intricate variation within the class. While siblings like RbPbF3 focus on traditional perovskite halide frameworks, this compound incorporates a more diverse elemental composition that pushes the boundaries of conventional perovskite design.
Related Compounds
Other Halide Perovskite Photovoltaics in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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