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Nanoflakes of 2D GeS2 with a thickness of 4.2 nm achieved via mechanical exfoliation is expected to show strong in-plane anisotropy in electrical, optical, and mechanical properties and has been used as polarization-sensitive photo-detectors in the short wave region.
We supply low price germanium disulfide in several different forms for a range of applications.
Germanium Disulfide Powder
Can be used for preparation of germanium disulfide nanoplates and ultrathin films
Sold by weight
≥99.995% purity
Germanium Disulfide by Size
Can be used to produce single or few-layer germanium disulfide sheets via mechanical or liquid exfoliation
Small (≥10 mm2) or medium (≥25 mm2) crystals available*
≥99.999% purity
*Typical representative size, areas/dimensions may vary
Bulk single germanium disulfide crystal is most commonly used as sources from which single or few-layer sheets can be obtained via either mechanical or liquid exfoliation.
Germanium disulfide powder can also be used to prepare GeS2 nanosheets and nanoparticles by liquid-exfoliation (normally assisted by sonication).
Technical Data
| CAS Number | 12025-34-2 |
| Chemical Formula | GeS2 |
| Molecular Weight | 136.77 g/mol |
| Bandgap | 2.265 eV (monoclinic) |
| Preparation | Synthetic - Chemical Vapor Transport (CVT) |
| Structure | Monoclinic |
| Electronic Properties | 2D semiconductor |
| Melting Point | 825 °C (lit.) |
| Color | Black |
| Synonyms | Germanium(IV) sulfide |
| Classification / Family | Transition metal dichalcogenides (TMDCs), 2D semiconductor materials, Nano-electronics, Nano-photonics, Photovoltaic, Materials science |
Product Details
| Form | Purity |
|---|---|
| Powder | ≥99.995% |
| Crystal | ≥99.999% |
