Editorial Feature

Tantalum Oxide (Ta2O5) Nanoparticles – Properties, Applications

Nanoparticle research has gained momentum over the recent years mainly due to the unexpected behavior of the basic elements when their atomic and molecular properties are altered. This article will look into the properties and applications of tantalum oxide.

Tantalum oxide (Ta2O5) nanoparticles are magnetic oxide nanoscale particles having a spherical form. These particles are available in coated, dispersed, nanofluid and ultra high purity forms. Tantalum belongs to Block D, Period 6 while oxygen belongs to Block P, Period 2 of the periodic table.

Chemical Properties

The following tables list the chemical properties of tantalum oxide.

Chemical Data
Chemical symbol Ta2O5
CAS No 1314-61-0
Group Tantalum 5
Oxygen 16
Electronic configuration Tantalum [Xe] 4f14 5d3 6s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Tantalum 81.89
Oxygen 18.09

Physical Properties

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

Properties Metric Imperial
Density 8.2 g/cm3 0.296 lb/in3
Molar Mass 441.83 g/mol -

Thermal Properties

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

Properties Metric Imperial
Melting Point 1872° C 3402° F


Given below are some of the chief applications of tantalum oxide:

  • Dental imaging, CT Scans and X-rays
  • Coatings and plastics
  • Nanowires, textiles and nanofibers
  • Alloys and catalyst applications.

Source: AZoNano

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