Ag4Cl12Rb8
Ag4Cl12Rb8 is a thermodynamically stable semiconducting halide perovskite used in materials research for photovoltaic technologies.
About Ag4Cl12Rb8
Ag4Cl12Rb8 is a complex halide perovskite characterized by its semiconducting electronic structure. As a thermodynamically stable phase residing on the convex hull, it represents a structurally robust candidate within the broader family of halide-based materials currently under investigation for optoelectronic applications. Its unique arrangement of silver, chlorine, and rubidium ions provides a distinct framework for studying charge carrier dynamics in crystalline solids. The material is primarily of interest to researchers developing sustainable and efficient thin-film photovoltaic devices. By leveraging its stable lattice configuration, scientists aim to overcome degradation challenges often associated with more volatile perovskite compositions, making it a valuable subject for fundamental materials science research.
Key Properties
Cross-validated computational properties for Ag4Cl12Rb8, 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.
Reported Structures
Lowest-energy structures reported for Ag4Cl12Rb8, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 2.96 | 0.0000 | -3.490 | 3.46 |
| Pnma (No. 62) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.87 |
Applications
Where Ag4Cl12Rb8 is used.
Frequently Asked Questions
Common questions about Ag4Cl12Rb8, answered from cross-validated data.
What is Ag4Cl12Rb8?
Ag4Cl12Rb8 is a thermodynamically stable semiconducting halide perovskite used in materials research for photovoltaic technologies.
What is Ag4Cl12Rb8 used for?
What is the band gap of Ag4Cl12Rb8?
Is Ag4Cl12Rb8 a metal, semiconductor, or insulator?
Is Ag4Cl12Rb8 thermodynamically stable?
What is the crystal structure of Ag4Cl12Rb8?
What is the density of Ag4Cl12Rb8?
How many polymorphs of Ag4Cl12Rb8 are known?
What elements does Ag4Cl12Rb8 contain?
Where does the data for Ag4Cl12Rb8 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the diverse class of halide perovskites, Ag4Cl12Rb8 stands out for its thermodynamic stability compared to more conventional lead-based counterparts like CsPbBr3 or CsSnI3. While many high-performing perovskites in this category rely on heavy metals to achieve optimal band structures, this silver-rubidium-chloride system offers a distinct chemical pathway that avoids toxic components while maintaining a stable structural profile.
Related Compounds
Other Halide Perovskite Photovoltaics in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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