Tungsten oxide (WO3) dispersions can be of various types, depending on solvents, additives and processing methods. The following are several common types of tungsten oxide dispersions:
Water-based tungsten oxide dispersion
A dispersion formed by suspending tungsten oxide powder in water. This dispersion is suitable for many research and application fields, such as catalysis, photocatalysis, sensors, etc.
Organic solvent-based tungsten oxide dispersion
A dispersion liquid in which tungsten oxide powder is dispersed in an organic solvent. Commonly used organic solvents include ethanol, acetone, dimethylformamide (DMF), etc. Organic solvents can provide better solubility and dispersibility for specific research and application needs.
Surfactant Assisted Tungsten Oxide Dispersion
Surfactants are added to water or organic solvents to assist the dispersion of tungsten oxide particles. Surfactants can help reduce the cohesion between particles and improve dispersion stability. Commonly used surfactants include sodium dodecyl sulfate (SDS), sodium octylsulfonate (SOS), cetyltrimethylammonium bromide (CTAB), etc.
Polymer coated tungsten oxide dispersion
A dispersion formed by coating tungsten oxide particles on polymer molecules. Polymer coatings provide additional stability and protection against particle agglomeration and sedimentation.
The preparation of tungsten oxide dispersion requires proper control conditions and techniques to obtain a stable dispersion state and desired particle size distribution. Specific dispersion types and formulations can be adjusted and optimized according to research and application requirements.
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