Ag2Cl4Cs2
Ag2Cl4Cs2 is a thermodynamically stable semiconducting halide perovskite used in materials science research for potential photovoltaic and optoelectronic applications.
About Ag2Cl4Cs2
Ag2Cl4Cs2 is a semiconducting halide perovskite characterized by its robust thermodynamic stability. As a member of the halide perovskite family, it occupies a position on the convex hull, indicating a favorable energy state that makes it a subject of interest for structural and electronic investigations.
This compound is primarily studied within the context of photovoltaic materials research. Its unique arrangement of silver, chlorine, and cesium ions contributes to its semiconducting nature, positioning it as a candidate for exploring alternative light-harvesting architectures in optoelectronic devices.
Key Properties
Cross-validated computational properties for Ag2Cl4Cs2, 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 Ag2Cl4Cs2, 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. |
|---|---|---|---|---|---|
| P4/nmm (No. 129) | tetragonal | 2.20 | 0.0000 | -16.090 | 4.09 |
| Cmcm (No. 63) | orthorhombic | 2.34 | 0.0035 | -16.086 | 4.30 |
| P4/nmm (No. 129) | — | — | — | — | — |
| — | — | — | — | — | 3.58 |
Applications
Where Ag2Cl4Cs2 is used.
Frequently Asked Questions
Common questions about Ag2Cl4Cs2, answered from cross-validated data.
What is Ag2Cl4Cs2?
Ag2Cl4Cs2 is a thermodynamically stable semiconducting halide perovskite used in materials science research for potential photovoltaic and optoelectronic applications.
What is Ag2Cl4Cs2 used for?
What is the band gap of Ag2Cl4Cs2?
Is Ag2Cl4Cs2 a metal, semiconductor, or insulator?
Is Ag2Cl4Cs2 thermodynamically stable?
What is the crystal structure of Ag2Cl4Cs2?
What is the density of Ag2Cl4Cs2?
How many polymorphs of Ag2Cl4Cs2 are known?
What elements does Ag2Cl4Cs2 contain?
Where does the data for Ag2Cl4Cs2 come from?
How It Compares
Within the halide perovskite photovoltaics class.
While many halide perovskites like CsPbBr3 and CsSnI3 are heavily researched for their exceptional charge-carrier mobility in solar cells, Ag2Cl4Cs2 represents a distinct structural variant within this broad class. Unlike the lead-based perovskites that dominate the field, this silver-containing compound offers a different chemical landscape, providing researchers with a stable platform to study the effects of metal substitution on the electronic properties of halide frameworks.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
Analyze Ag2Cl4Cs2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →