Crystal structure of potassium phosphide (K3P) | |
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ECHA InfoCard | 100.040.004 |
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Properties | |
K3P | |
Molar mass | 148.269 g mol−1 |
Appearance | White crystalline solid or powder |
Thermochemistry[1] | |
Std molar entropy (S⦵298) |
49.8 J mol−1 K−1 |
Std enthalpy of formation (ΔfH⦵298) |
-1.77 kJ mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references |
Potassium phosphide is an inorganic semiconductor compound with the formula K3P. It appears as a white crystalline solid or powder.[2] It reacts violently with water and is toxic via ingestion, inhalation and skin absorption.[3] It has a hexagonal structure.[1]
Synthesis
Potassium phosphide can be synthesised by simply reacting the two elements together:[4]
Applications
Potassium phosphide is used in high power, high frequency applications and also in laser diodes.[2]
References
- 1 2 Sangster, James M. (2010-02-01). "K-P (Potassium-Phosphorus) System". Journal of Phase Equilibria and Diffusion. 31 (1): 68–72. doi:10.1007/s11669-009-9614-y. ISSN 1863-7345. S2CID 95780373.
- 1 2 Elements, American. "Potassium Phosphide". American Elements. Retrieved 2022-08-29.
- ↑ "POTASSIUM PHOSPHIDE | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 2022-08-29.
- ↑ Gnutzmann, Geert; Wilhelm Dorn, Friedrich; Klemm, Wilhelm (1961). "Das Verhalten der Alkalimetalle zu Halbmetallen. VII. Über einige A3B- und AB2-Verbindungen der schweren Alkalimetalle mit Elementen der V. Gruppe". Zeitschrift für anorganische und allgemeine Chemie (in German). 309 (3–4): 210–225. doi:10.1002/zaac.19613090308. ISSN 0044-2313.
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