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Key Words:GRAPHENE OXIDE; BEHAVIOR; FLUIDS; NANOCOMPOSITES; PARTICLES; WATER
Abstract:Uniform small-sized MOF-Ti nanoparticles were prepared by a one-step hydrothermal method, and then a 5-10 nm TiO(2)shell was coated onto them by using the sol-gel method, and MOF-Ti/TiO(2)with a specific surface area of 50.2 m(2)g(-1)was successfully prepared. The nanoparticles were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), nitrogen adsorption-desorption isotherms (BET), and X-ray photoelectron spectroscopy (XPS). The above-analyses have elaborated the experimental study of their morphology, elements, and energy of organic functional groups. At the same time, through the use of a high-voltage rotary rheometer to test their rheological properties, the analysis of shear stress, ER efficiency, shear viscosity,etc.was performed and their dielectric constant and dielectric loss were studied by using a broadband dielectric spectrometer. Finally, we found that MOF-Ti/TiO(2)is a new core-shell nanocomposite particle with a small particle size and good electrorheological properties.
Volume:16
Issue:40
Translation or Not:no