Niobium Selenide powder is a black or dark gray compound powder with hexagonal layered crystal structure, chemical formula NbSe₂, molecular weight 250.83, density 6.3g/cm³, melting point higher than 1300℃, which is widely used in the fields of electronics, photovoltaic, catalytic, lubrication, energy storage, sensing and so on.
Properties
Chemical Formula: NbSe₂
Molecular weight: 250.83
Appearance: Usually appears as black or dark gray powdery substance.
Crystal structure: Typical layered crystal structure, belonging to the hexagonal crystal system. This layered structure consists of alternating layers of niobium and selenium atoms, which are bonded by weak van der Waals force interactions, giving NbSe₂ powder unique properties and application advantages in the field of two-dimensional materials.
Density: Its density is about 7.3 g/cm³.
Melting point: relatively high, about 1400 ℃, this characteristic makes the NbSe₂ powder in the high-temperature environment can still maintain good structural stability, for its in some high-temperature application scenarios to provide the possibility.
Stability: At room temperature and pressure, NbSe₂ powder has good chemical stability and is not easy to react with common substances such as oxygen and water in the air. However, under certain conditions such as high temperatures, strong oxidizers or strong acids, it may undergo chemical reactions, leading to changes in its structure and properties.
Electrical Properties: Niobium Selenide powder has good electrical properties and exhibits metallic conductive behavior with a high conductivity, which enables it to transmit current efficiently. In addition, it has superconducting properties with a superconducting transition temperature of about 7.2 K, which makes it an important application prospect in the field of superconducting electronic devices.
Optical properties: In optics, NbSe₂ powder has certain wavelength selectivity for light absorption and reflection, and shows strong absorption ability in infrared wavelength band, which can be used to prepare infrared absorbing materials, optical sensors, etc., and has potential application value in the fields of optical communication and infrared detection.
Mechanical properties: Due to its layered structure, NbSe₂ powder has better flexibility and mechanical strength to a certain extent, which can be used to prepare composite materials with special mechanical properties to meet the requirements of different engineering applications on material properties.
Applications
Electronic devices: In the field of electronic devices, Niobium Selenide powder can be used for the preparation of transistors, integrated circuits and other electronic components in the electrode, channel materials, etc., the use of its good electrical properties and two-dimensional structural characteristics, is expected to improve the performance of electronic devices and integration, and to promote the development of electronic technology.
Superconductivity technology: Based on its superconducting properties, Niobium Selenide powder is one of the important materials for the preparation of superconducting devices such as superconducting quantum bits, superconducting sensors, superconducting magnets, etc., which is of great significance for the development of the fields of quantum computation, detection of weak signals, and generation of strong magnetic fields.
Energy storage: In the field of energy storage, Niobium Selenide powder can be used as electrode materials for secondary batteries such as lithium-ion batteries, sodium-ion batteries, etc. Its unique layered structure can provide a good channel for the embedding and dislodging of ions, improve the charging and discharging performance of the battery and the cycle life, and provide a new way of thinking and choice of materials for the research and development of high-performance energy storage batteries.
Composite materials: Niobium Selenide powder can be compounded with other materials such as polymers and metals to prepare composite materials with various performance advantages. For example, composite with polymer can be obtained with good flexibility and electrical properties of conductive composites, can be applied to flexible electronic devices, intelligent sensors and other fields; composite with metal can improve the strength, hardness and wear resistance and other mechanical properties of metal materials, expanding its scope of application in the field of mechanical engineering.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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