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The preparation and electrorheological behavior of bowl-like titanium oxide nanoparticles

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Abstract

Bowl-like titanium oxide nanoparticles were successfully prepared by a simple solvothermal method using absolute ethanol and isopropanol as the cosolvent. Ostwald ripening coupled with the inner-stress-induce effect were assumed to play an important role in the formation of this unique bowl-like morphology. The morphological evolution from solid nanosphere to bowl-like nanoparticle was investigated by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Besides, the structural characteristics of the as-synthesized TiO2 nanoparticles were confirmed by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and thermogravimetric analysis (TGA). Moreover, a rotational rheometer was operated to examine the electrorheological (ER) effect. Excellent ER properties were achieved when the TiO2 particles were dispersed in silicone oil under an external electric field.

Graphical abstract: The preparation and electrorheological behavior of bowl-like titanium oxide nanoparticles

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Publication details

The article was received on 11 Jun 2017, accepted on 21 Sep 2017 and first published on 21 Sep 2017


Article type: Paper
DOI: 10.1039/C7SM01157A
Citation: Soft Matter, 2017, Advance Article
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    The preparation and electrorheological behavior of bowl-like titanium oxide nanoparticles

    K. He, Q. Wen, C. Wang, B. Wang, S. Yu, C. Hao and K. Chen, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM01157A

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