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Wettability of urea-doped TiO2 nanoparticles and their high electrorheological effects

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Abstract

Aimed at the increasement of ER effects, a novel composite, urea doped-TiO2 particles (TU) were prepared by using a modified sol–gel method. The structure and morphology of the TU particles were observed and analyzed by scanning electron micrpscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectrometry(FT-IR) and X-ray photoelectron spectrum (XPS). The dielectric properties of the TU particles and the ER effects based on the TU particles were investigated. The influence of wettability on the ER performance between the particles and silicone oil was examined.

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Acknowledgments

We are grateful for the financial support from the National Natural Science Foundation of China (Grant Nos. 10418014 & 10474074).

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Authors and Affiliations

  1. Key Laboratory of Acoustic and Photonic Materials and Devices, Ministry of Education, Department of Physics, Wuhan University, Wuhan, 430072, People’s Republic of China

    Jianhong Wei, Lihong Zhao, Suili Peng, Jing Shi & Zhengyou Liu

  2. Department of Physics, Institute of Nano Science and Technology, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

    Suili Peng & Weijia Wen

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  1. Jianhong Wei
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  2. Lihong Zhao
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  3. Suili Peng
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  4. Jing Shi
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  5. Zhengyou Liu
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  6. Weijia Wen
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Correspondence to Jianhong Wei.

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Wei, J., Zhao, L., Peng, S. et al. Wettability of urea-doped TiO2 nanoparticles and their high electrorheological effects. J Sol-Gel Sci Technol 47, 311–315 (2008). https://doi.org/10.1007/s10971-008-1787-z

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  • DOI: https://doi.org/10.1007/s10971-008-1787-z

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