Caesium telluride or Caesium telluridocaesium[1] is an inorganic salt with a chemical formula Cs2Te.[2] Caesium telluride is used to make photo cathodes.[3]

Caesium telluride
Names
IUPAC name
Caesium telluridocaesium
Other names
Cesium telluride; dicaesium telluride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.032.137 Edit this at Wikidata
EC Number
  • 235-364-1
  • InChI=1S/2Cs.Te
    Key: LZDVDTNBLCLMGQ-UHFFFAOYSA-N
  • [Cs][Te][Cs]
Properties
Cs2Te
Molar mass 393.4
Appearance Crystalline solid
Boiling point 395.717128
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Caesium telluride is the photoemissive material used in many laser-driven radio frequency (RF) electron guns like in the TESLA Test Facility (TTF).[4]

References

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  1. ^ "Caesium telluridocaesium". ChemSpider. Royal Society of Chemistry. Retrieved January 9, 2023.
  2. ^ "Compound summary—Cesium telluride". PubChem. National Institutes of Health. Retrieved January 9, 2023.
  3. ^ "Cs2Te photocathode". Argonne National Laboratory. Retrieved January 9, 2023.
  4. ^ Optical Properties of Cesium Telluride (PDF). European Particle Accelerator Conference (EPAC). Paris, France. 2002. Retrieved January 10, 2023.