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Niobium Nitride (NbN)-Granules

  • 24621-21-4
  • NbN
  • 99.5%
  • 3 mm - 12 mm
  • 246-362-5


Niobium nitride is a compound of niobium and nitrogen (nitride) with the chemical formula NbN. At low temperatures (about 16 K) NbN, niobium nitride becomes a superconductor, and is used in detectors for infrared light.

Chemical formula:NbN

Molar mass:106.91 g/mol

Appearance:gray solid

Density:8.470 g/cm3

Melting point:2,573 °C (4,663 °F; 2,846 K)

Solubility in water:reacts to form ammonia

Crystal structure:cubic, cF8


Niobium nitride's main use is as a superconductor. Detectors based on it can detect a single photon in the 1-10 micrometer section of the infrared spectrum, which is important for astronomy and telecommunications. It can detect changes up to 25 gigahertz.

Niobium nitride is also used in absorbing anti-reflective coatings.

In 2015, it was reported that Panasonic Corp. has developed a photocatalyst based on niobium nitride that can absorb 57% of sunlight to support the decomposition of water to produce hydrogen gas as fuel for electrochemical fuel cells.

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