Cs12Ge4Se12
Cs12Ge4Se12 is a stable, semiconducting compound belonging to the perovskite-related family, currently being researched for its potential role in next-generation photovoltaic energy technologies.
About Cs12Ge4Se12
Cs12Ge4Se12 is a semiconducting material that occupies a stable position on the convex hull, indicating favorable thermodynamic characteristics for structural integrity. As a member of the broader perovskite-related family, it is of significant interest for researchers exploring new semiconductor architectures for energy conversion applications. Its distinct composition allows for unique electronic properties that differentiate it from more conventional perovskite structures. The compound is primarily studied within the context of advanced photovoltaics where stable, semiconducting materials are essential for efficient light harvesting and charge transport. Its structural reliability makes it a compelling candidate for further experimental investigation in thin-film solar cell development.
Key Properties
Cross-validated computational properties for Cs12Ge4Se12, 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 Cs12Ge4Se12, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 1.58 | 0.0000 | -3.734 | 4.33 |
| — | — | — | — | — | 3.57 |
| C2/c (No. 15) | — | — | — | — | — |
Applications
Where Cs12Ge4Se12 is used.
Frequently Asked Questions
Common questions about Cs12Ge4Se12, answered from cross-validated data.
What is Cs12Ge4Se12?
Cs12Ge4Se12 is a stable, semiconducting compound belonging to the perovskite-related family, currently being researched for its potential role in next-generation photovoltaic energy technologies.
What is Cs12Ge4Se12 used for?
What is the band gap of Cs12Ge4Se12?
Is Cs12Ge4Se12 a metal, semiconductor, or insulator?
Is Cs12Ge4Se12 thermodynamically stable?
What is the crystal structure of Cs12Ge4Se12?
What is the density of Cs12Ge4Se12?
How many polymorphs of Cs12Ge4Se12 are known?
What elements does Cs12Ge4Se12 contain?
Where does the data for Cs12Ge4Se12 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Unlike the widely utilized CsPbBr3 or CsSnI3, which are frequently studied for their high-performance optoelectronic properties, Cs12Ge4Se12 represents a more specialized structural variant within the perovskite-related class. While many of its siblings are known for their rapid degradation or toxicity concerns, this compound offers a distinct chemical framework that may provide alternative pathways for achieving stability in photovoltaic systems.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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