Cs0.32WO3 Applied for Sun Protection Glass

Cs0.32WO3 is well known as a near-infrared shielding material for preparing sun protection glass. Well, do you know how to obtain the zeta potential and mean hydrodynamic diameter of Cs0.32WO3 nanoparticles? And how to get many other important information such as the content of the contaminant ZrO2?

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The zeta potential and mean hydrodynamic diameter of Cs0.32WO3 nanoparticles in the aqueous dispersion can be measured using a Malvern Nano-ZS dynamic light-scattering spectrometer. For the measurement of zeta potential, the concentration of Cs0.32WO3 nanoparticles was 10 mg/L, and the pH of aqueous dispersion was adjusted by the addition of potassium hydroxide or nitric acid. The content of the contaminant ZrO2 from the stirred bead milling process can be determined using an energy dispersive X-ray (EDX) spectrometer attached to the TEM. And high-resolution TEM (HRTEM) image of a single Cs0.32WO3 nanoparticle and the corresponding electron diffraction pattern can be observed using a Jeol model JEM-2100F at 200 kV.

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