Caesium phosphate, Cs3PO4, is a phosphate of caesium that is highly soluble in water.
Use Caesium phosphate can be used as an n-dopant to enhance the conductivity of the electron transport layer in organic light-emitting diodes.
Related compounds Several caesium hydrogen phosphates (CsxHy(PO4)z·nH2O) have been characterized.
Several mixed phosphates such as caesium–manganese phosphate (CsMnPO4), caesium–cobalt phosphate (CsCoPO4), and caesium–magnesium phosphate (CsMgPO4) also exist.
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