Using a chiral ionic liquid for morphological evolution of BaCO3 and its radar absorbing properties as a dendritic nanofiller

Special fractal dendrite BaCO3 nanostructures have been synthesized through a simple ionic liquid-assisted chemical method. The structure and morphology of the synthetic branch-shaped BaCO3 products were characterized by X-ray diffraction and transmission electron microscopy. The shape of these BaCO3 nanostructures could be readily controlled by changing the chemical conditions and the amount of the chiral ionic liquid (CIL), ditetrabutylammonium tartrate, [TBA]2[L-Tar]. The CIL is a reagent and templating agent for the fabrication of BaCO3 nanostructures. The effect of the different morphology of the nanofillers on the electromagnetic properties was investigated. The electromagnetic properties and absorption performance were evaluated by performing waveguide measurements in the 5.0–12.0 GHz range. BaCO3 nanofibres were found to be suitable candidates for use as a lossy medium due to their peculiar electromagnetic properties.

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► Special fractal dendrite BaCO3 nanostructures have been synthesized.
► The shape of these BaCO3 nanostructures could be controlled by the amount of the CIL.
► BaCO3 nanofibres would be candidates for use as loss medium.