Ge2K4Se6
Ge2K4Se6 is a stable, semiconducting inorganic compound primarily used in research for its potential applications in advanced photovoltaic and optoelectronic technologies.
About Ge2K4Se6
Ge2K4Se6 is a semiconducting compound that occupies a stable position on the convex hull, indicating significant structural robustness. As a member of the broader halide perovskite and related chalcogenide family, it serves as an intriguing subject for investigating charge carrier dynamics in complex inorganic frameworks. Its electronic character makes it a candidate for fundamental research into next-generation optoelectronic materials. The compound is supported by multiple reported structures across major materials databases, reflecting its importance in computational and experimental materials science. It is primarily utilized in academic and industrial research settings focused on discovering efficient, stable semiconductors for energy conversion technologies.
Key Properties
Cross-validated computational properties for Ge2K4Se6, 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 Ge2K4Se6, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.73 | 0.0000 | -3.992 | 3.35 |
| P-1 (No. 2) | — | — | — | — | — |
| — | — | — | — | — | 2.49 |
| P-1 (No. 2) | — | — | — | — | — |
Applications
Where Ge2K4Se6 is used.
Frequently Asked Questions
Common questions about Ge2K4Se6, answered from cross-validated data.
What is Ge2K4Se6?
Ge2K4Se6 is a stable, semiconducting inorganic compound primarily used in research for its potential applications in advanced photovoltaic and optoelectronic technologies.
What is Ge2K4Se6 used for?
What is the band gap of Ge2K4Se6?
Is Ge2K4Se6 a metal, semiconductor, or insulator?
Is Ge2K4Se6 thermodynamically stable?
What is the crystal structure of Ge2K4Se6?
What is the density of Ge2K4Se6?
How many polymorphs of Ge2K4Se6 are known?
What elements does Ge2K4Se6 contain?
Where does the data for Ge2K4Se6 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the diverse class of halide perovskites and related materials, Ge2K4Se6 stands out for its thermodynamic stability compared to more volatile counterparts like CsSnI3. While many members of this class are halide-based, the inclusion of selenium provides a distinct electronic environment that differentiates it from the lead-halide systems such as CsPbBr3, offering a unique pathway for tuning semiconductor properties without relying on toxic heavy metals.
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 Ge2K4Se6 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →