Editorial Feature

Terbium (Tb) Nanoparticles - Properties, Applications

Nanoparticles are ultra fine particles having one or more dimensions of the order of 100 nm or less. The properties of nanoparticles differ completely from that of bulk materials. Therefore, the properties of conventional materials change when they are produced from nanoparticles due to the greater surface area per weight of nanoparticles.

Terbium oxidizes easily and is therefore rarely used in its elemental form, especially outside of the research world. Terbium responds strongly to X-ray excitation, and is therefore used as an X-ray phosphor.

Chemical Properties

The chemical properties of terbium nanoparticles are outlined in the following table.

Chemical Data
Chemical symbol Tb
CAS No. 7440-27-9
Group 3
Electronic configuration [Xe] 4f9 6s2

Physical Properties

The physical properties of terbium nanoparticles are given in the following table.

Properties Metric Imperial
Molar mass 158.93 g/mol -

Thermal Properties

The thermal properties of terbium nanoparticles are provided in the table below.

Properties Metric Imperial
Melting point 1356°C 2473°F
Boiling point 3230°C 5846°F

Manufacturing Process

Terbium nanoparticles can be prepared in water-in-oil microemulsion that comprises a strongly fluorescent Tb3+ complex, cyclohexane, hexanol, and Triton X-100 by controlling co-condensation of ZrOCl2 and Zr(OCH2CH3)4.


The key applications of terbium nanoparticles are listed below:

  • Dopant in glass and optical fibers, in phosphors
  • Coatings, plastics, nanowires and textiles
  • Nanosensors and nanodevices.

Source: AZoNano

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