Caesium telluride

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
CAS Number	12191-06-9 Y
3D model (JSmol)	Interactive image
ChemSpider	74859
ECHA InfoCard	100.032.137
EC Number	235-364-1
PubChem CID	82968
CompTox Dashboard (EPA)	DTXSID401312915
InChI InChI=1S/2Cs.Te Key: LZDVDTNBLCLMGQ-UHFFFAOYSA-N
SMILES [Cs][Te][Cs]
Properties
Chemical formula	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). Infobox references

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