| Names | |
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| Other names
Platinum(IV) selenide
Sudovikovite | |
| Identifiers | |
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| PtSe2 | |
| Molar mass | 353.026 g·mol−1 |
| Appearance | opaque metallic yellowish white |
| Density | 9.54 |
| Melting point | decomposes |
| insoluble | |
| Band gap | 0 (bulk) 1.3 eV monolayer |
| Structure | |
| space group P3m1 164 hexagonal | |
a = 3.728[1], c = 5.031
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| octahedral | |
| Related compounds | |
Other anions
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platinum disulfide platinum ditelluride PtSeTe PtSSe |
Other cations
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palladium diselenide NiSeTe |
Related platinum selenides
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Luberoite Pt5Se4 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Platinum diselenide is a transition metal dichalcogenide with the formula PtSe2. It is a layered substance that can be split into layers down to three atoms thick. PtSe2 can behave as a metalloid or as a semiconductor depending on the thickness.
- ^ Guo, G Y; Liang, W Y (10 March 1986). "The electronic structures of platinum dichalcogenides: PtS2 , PtSe2 and PtTe2". Journal of Physics C: Solid State Physics. 19 (7): 995–1008. Bibcode:1986JPhC...19..995G. doi:10.1088/0022-3719/19/7/011.