12034-77-4

Basic information

• Product Name: NIOBIUM SELENIDE
• Synonyms: COLUMBIUM SELENIDE;NIOBIUM(IV) SELENIDE;NIOBIUM SELENIDE;niobium diselenide;Niobium(IV) selenide, 99.8% (metals basis);Niobium diselenide Crystal, 99.995%;Niobium(IV) selenide, 99.5% trace metals basis;bis(selanylidene)niobium
• CAS NO: 12034-77-4
• Molecular Formula: NbSe2
• Molecular Weight: 250.83
• EINECS: 234-811-8
• Mol File: 12034-77-4.mol
• Article Data: 0

Chemical Properties

• Melting Point: >1316℃ [HAW93]
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /Powder
• Density: 6.300
• Water Solubility: Insoluble in water.
• CAS DataBase Reference: NIOBIUM SELENIDE(CAS DataBase Reference)
• NIST Chemistry Reference: NIOBIUM SELENIDE(12034-77-4)
• EPA Substance Registry System: NIOBIUM SELENIDE(12034-77-4)

Safety Data

• Hazard Codes: T,N
• Statements: 23/25-33-50/53
• Safety Statements: 20/21-28-45-60-61
• RIDADR: UN3283
• RTECS: QU0420000
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• Hazardous Substances Data: 12034-77-4(Hazardous Substances Data)

Usage

Description

Niobium Selenide is a gray-black solid that possesses higher electrical conductivity than graphite. It is a compound formed from the elements niobium and selenium, and it exhibits unique properties that make it suitable for various applications across different industries.

Uses

Used in Photovoltaic Industry:
Niobium Selenide is used as a potential substance for thin film solar cells as back contact material. Its electrical conductivity and compatibility with solar cell technology make it a valuable component in the development of efficient and cost-effective solar energy systems.
Used in Electricity and Manufacturing Industries:
Niobium Selenide is used as a component in electricity brushes and special bearings due to its conductivity and lubricity properties. These characteristics enable it to provide efficient electrical contact and reduce friction in various mechanical applications, enhancing the performance and longevity of electrical equipment and machinery.
Used in Advanced Material Applications:
As a two-dimensional layered inorganic nanomaterial, Niobium Selenide has attracted significant attention for its thickness-dependent physical and chemical properties. It finds applications in various fields, including photocatalysis, photovoltaics, gas sensing, lithium-ion batteries, field-effect transistors, and spintronics. Its unique properties make it a promising material for the development of innovative technologies and devices.
Used as a Lubricant and Conductor:
Niobium Selenide is used as a lubricant and conductor at high temperatures and in high vacuum environments. Its ability to maintain its electrical conductivity and lubricating properties under extreme conditions makes it an ideal material for applications where conventional materials may fail or degrade.

InChI:InChI=1/Nb.2Se/q+4;2*-2