Rb2Pd
Rb2Pd is a semiconducting intermetallic compound composed of rubidium and palladium that serves as a subject of fundamental research in catalytic materials science.
About Rb2Pd
Rb2Pd is a specialized intermetallic compound belonging to the class of platinum-group alloy catalysts. Characterized by its semiconducting electronic behavior, this material represents a unique intersection of alkali metal chemistry and noble metal properties, offering a distinct electronic environment compared to pure metallic catalysts. Its structural complexity is evidenced by a significant number of reported configurations across multiple databases, highlighting its intricate phase landscape. Although it resides above the thermodynamic hull, suggesting potential instability under standard conditions, it remains a subject of interest for researchers investigating the fundamental interactions between palladium and rubidium. The compound is primarily studied within the context of basic materials science and catalytic research, where the interplay of its constituent elements is explored for potential surface-active properties.
Key Properties
Cross-validated computational properties for Rb2Pd, 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 Rb2Pd is used.
Frequently Asked Questions
Common questions about Rb2Pd, answered from cross-validated data.
What is Rb2Pd?
Rb2Pd is a semiconducting intermetallic compound composed of rubidium and palladium that serves as a subject of fundamental research in catalytic materials science.
What is Rb2Pd used for?
What is the band gap of Rb2Pd?
Is Rb2Pd a metal, semiconductor, or insulator?
Is Rb2Pd thermodynamically stable?
How many polymorphs of Rb2Pd are known?
What elements does Rb2Pd contain?
Where does the data for Rb2Pd come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse group of platinum-group alloy catalysts, Rb2Pd stands out due to its distinct stoichiometry compared to more conventional intermetallics like BaPd. While many members of this class, such as GeRu or IrSe2, are investigated for their robust catalytic performance and stability, Rb2Pd is noted for its semiconducting nature and its position as a metastable phase, contrasting with the more thermodynamically favored structures found elsewhere in the series.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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