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Niobium (IV) Selenide (NbSe₂)

Niobium diselenide (NbSe₂) is a gray-black solid that is a two-dimensional layered inorganic nanomaterial. It has higher electrical conductivity than graphite and a wide temperature stability range. It is used as a lubricant and conductor at high temperatures and high vacuum.
Typical Composition

Nb= 37.04%
Se= 62.96%

Typical Purity= 99.8% min. – 99.99%

Typical Applications

Niobium Selenide has applications in photocatalysis, photovoltaics, gas sensing, lithium-ion batteries, field effect transistors, and spintronics. It is used in thin film solar cells, electricity brushes, and special bearings. It is sometimes used as a lubricant at high temperatures

Packaging Options

Drums or to customer specification


Niobium (IV) Selenide TSCA (SARA Title III) Status: Listed
Please contact the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902.\
Niobium (IV) Selenide CAS Number: 12034-77-4
Niobium Selenide EINECS Number: 234-811-8
Niobium (IV) Selenide UN Number: 3283
Niobium (IV) Selenide Emergency Overview: Toxic by inhalation and if swallowed and danger of cumulative effects. Very Toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment.
This material and/or its container must be disposed of as hazardous waste.

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