Ge2P2Rb6Se14
Ge2P2Rb6Se14 is a stable, semiconducting quaternary chalcogenide compound used in advanced materials research for potential photovoltaic applications.
About Ge2P2Rb6Se14
Ge2P2Rb6Se14 is a complex quaternary chalcogenide that functions as a semiconducting material. Its position on the convex hull indicates high thermodynamic stability, making it a robust candidate for structural and electronic investigations in solid-state chemistry. The compound is primarily researched for its potential integration into optoelectronic and photovoltaic systems. By leveraging its unique elemental combination of germanium, phosphorus, rubidium, and selenium, researchers aim to tune electronic properties for next-generation energy conversion technologies.
Key Properties
Cross-validated computational properties for Ge2P2Rb6Se14, 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 Ge2P2Rb6Se14, 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 | 1.56 | 0.0000 | -4.074 | 3.67 |
| P-1 (No. 2) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.97 |
Applications
Where Ge2P2Rb6Se14 is used.
Frequently Asked Questions
Common questions about Ge2P2Rb6Se14, answered from cross-validated data.
What is Ge2P2Rb6Se14?
Ge2P2Rb6Se14 is a stable, semiconducting quaternary chalcogenide compound used in advanced materials research for potential photovoltaic applications.
What is Ge2P2Rb6Se14 used for?
What is the band gap of Ge2P2Rb6Se14?
Is Ge2P2Rb6Se14 a metal, semiconductor, or insulator?
Is Ge2P2Rb6Se14 thermodynamically stable?
What is the crystal structure of Ge2P2Rb6Se14?
What is the density of Ge2P2Rb6Se14?
How many polymorphs of Ge2P2Rb6Se14 are known?
What elements does Ge2P2Rb6Se14 contain?
Where does the data for Ge2P2Rb6Se14 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Unlike the well-known halide perovskites such as CsPbBr3 or CsSnI3, which are characterized by their simple cubic-derived architectures, Ge2P2Rb6Se14 represents a more structurally complex class of materials. While its siblings like RbPbF3 often prioritize high symmetry, this compound utilizes its distinct stoichiometry to achieve stability, offering a different pathway for semiconductor development compared to the standard lead-based perovskite 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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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