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Nickel oxide

Nickel oxide (NiO) is an inorganic compound with the chemical formula NiO. It appears as an olive green crystalline powder and is insoluble in water. It is primarily used as a bonding agent and coloring agent in enamels, as well as a pigment in ceramics and glass. It can also be used to produce magnetic materials such as nickel zinc ferrite. Nickel oxide has found widespread applications in optical coatings. For example, nickel oxide can be used to prepare optical components such as mirrors, filters, and polarizers; it can also be used to create smart windows and displays with electrochromic functions.
  • Commodity name： Nickel oxide

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Optical Coating Materials

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  • Product Description

  • Product Overview:

    Nickel oxide (NiO) is an inorganic compound with the chemical formula NiO, appearing as an olive green crystalline powder that is insoluble in water. It is mainly used as a bonding agent and coloring agent for enamel, as well as a pigment for ceramics and glass. It can also be used to produce magnetic materials such as nickel zinc ferrite. Nickel oxide has been widely used in optical coatings. For example, nickel oxide can be used to prepare optical components such as mirrors, filters, and polarizers; it can also be used to prepare optical devices with electrochromic functions, such as smart windows and displays.

    Product Parameters:

    Popular Products

    Nickel Oxide Particles

    Appearance

    OliveGreenColor

    Purity

    ≥99.9%

    Specifications

    1-3mm

    For more models with different parameters, please contact customer service for detailed parameters.

    Product Features:

    1. Nickel oxide has a specific absorption spectrum in the visible light region, mainly characterized by an absorption peak in the range of 400~550nm. This property allows nickel oxide to be used to adjust the spectral characteristics of optical coatings, achieving light absorption at specific wavelengths.

    2. Nickel oxide has a reflection spectrum in the range of 400~750nm, with reflectivity varying with wavelength. By adjusting factors such as the crystallization state and thickness of nickel oxide, the characteristics of the reflection spectrum can be controlled to meet different optical needs.

    3. Nickel oxide has a transmission spectrum in the range of 200~1100nm, with the number and intensity of transmission lines related to the crystallization state and thickness of nickel oxide. This property allows nickel oxide to be used to prepare optical coatings with specific transmission characteristics.

    4. Nickel oxide is a typical anodic coloring electrochromic material that can be colored and bleached in the electrolyte of alkali metal ion conductors. Its color change reaction is: MyNi1-xO (bleached state) ⇌ MyxNi1,O (colored state) + ZM + Ze. In the bleached state, the nickel oxide film is transparent; in the colored state, it appears gray. Before and after the color change, the transmission characteristics of nickel oxide in the solar spectrum region show significant and relatively uniform changes. This performance allows nickel oxide to be used in optical coatings to prepare optical components with electrochromic functions, such as smart windows and displays.

    5. Nickel oxide films have high hardness, protecting the surface of optical components from scratches and wear. At the same time, nickel oxide also has good corrosion resistance, able to withstand the erosion of various chemical substances, thereby extending the service life of optical components.

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