Rb12Sb4Se12
Rb12Sb4Se12 is a stable, semiconducting alkali antimony selenide used in the study of thermoelectric materials.
About Rb12Sb4Se12
Rb12Sb4Se12 is a structurally distinct semiconducting compound within the broader family of chalcogenide materials. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined chemical configuration that is of significant interest for fundamental materials research and electronic applications. Its composition highlights the versatility of alkali-metal-doped antimony selenides in creating complex, stable crystalline architectures. The compound is primarily studied for its potential roles in advanced thermoelectric energy conversion systems, where its electronic character and structural stability are key factors for performance. By leveraging its unique stoichiometry, researchers investigate how these materials can be tuned to optimize heat-to-electricity conversion efficiency in demanding environments.
Key Properties
Cross-validated computational properties for Rb12Sb4Se12, 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 Rb12Sb4Se12 is used.
Frequently Asked Questions
Common questions about Rb12Sb4Se12, answered from cross-validated data.
What is Rb12Sb4Se12?
Rb12Sb4Se12 is a stable, semiconducting alkali antimony selenide used in the study of thermoelectric materials.
What is Rb12Sb4Se12 used for?
What is the band gap of Rb12Sb4Se12?
Is Rb12Sb4Se12 a metal, semiconductor, or insulator?
Is Rb12Sb4Se12 thermodynamically stable?
How many polymorphs of Rb12Sb4Se12 are known?
What elements does Rb12Sb4Se12 contain?
Where does the data for Rb12Sb4Se12 come from?
How It Compares
Within the bismuth chalcogenide thermoelectrics class.
Unlike the more widely recognized binary thermoelectric standards such as Bi2Te3 or Sb2Se3, Rb12Sb4Se12 represents a more complex, alkali-rich variant within the chalcogenide class. While siblings like Bi2Se3 and Sb2Te3 are often characterized by their layered structures and narrow-gap semiconducting behavior, this compound offers a different structural landscape that expands the chemical diversity of the group, providing a unique alternative to traditional bismuth-based systems.
Related Compounds
Other Bismuth Chalcogenide Thermoelectrics in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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