What are the challenges in characterizing catalyst particle size?
Characterizing the particle size of catalysts can be challenging due to the small dimensions and complex structures involved. Techniques such as Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), and Dynamic Light Scattering (DLS) are commonly used for size characterization. Each technique has its own advantages and limitations, and often multiple techniques are employed to obtain a comprehensive understanding of particle size and distribution.
