Editorial Feature

Praseodymium Oxide Nanoparticles (Pr6O11) – Properties, Applications

Nanoparticles research has gained momentum in the recent years mainly due to the unexpected behavior exhibited by the nanoparticles, with modified atomic and molecular properties.

Praseodymium oxide (Pr6O11) nanoparticles are available in the form of spray dried, non-spray and high purity powders. Some of the synonyms of these nanoparticles are hexapraseodymium undecaoxide and praseodymium (III, IV) oxide. These nanoparticles are eye irritants and affect the respiratory system when inhaled. Praseodymium belongs to Block F, Period 6 while oxygen belongs to Block P, Period 2 of the periodic table.

Chemical Properties

The following tables list the chemical properties of praseodymium oxide.

Chemical Data
Chemical symbol Pr6O11
CAS No 12037-29-5
Group Praseodymium 3
Oxygen 16
Electronic configuration Praseodymium [Xe]4f3 6s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Praseodymium 82.76
Oxygen 17.21

Physical Properties

Praseodymium oxide nanoparticles appear in the form of a brown powder. The table below provides the physical properties of these nanoparticles.

Properties Metric Imperial
Density 6.5 g/cm3 0.234 lb/in3
Molar Mass 1021.44 g/mol -

Thermal Properties

The thermal properties of praseodymium oxide nanoparticles are given in the table below:-

Properties Metric Imperial
Melting Point 2183°C 3961°F
Boling Point 3760°C 6800°F


The following are the chief applications of praseodymium oxide:

  • As a magnetic material
  • As a catalyst
  • Dried powder when mixed with the binder is useful in plasma spray guns and coating.

Source: AZoNano


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