Enhanced electrorheological performance of barium-doped SiO2/TiO2 hollow mesoporous nanospheres

Sojin Kim; Chanhoi Kim; Jin-Yong Hong; Sun Hye Hwang; Jyongsik Jang

doi:10.1039/C3RA46284F

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Enhanced electrorheological performance of barium-doped SiO₂/TiO₂ hollow mesoporous nanospheres†

Sojin Kim,‡^a Chanhoi Kim,‡^a Jin-Yong Hong,^a Sun Hye Hwang^a and Jyongsik Jang*^a

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* Corresponding authors

^a World Class University (WCU) program of Chemical Convergence for Energy & Environment (C2E2), School of Chemical and Biological Engineering, College of Engineering, Seoul National University (SNU), Seoul, Korea
E-mail: jsjang@plaza.snu.ac.kr
Fax: +82 2 888 1604
Tel: +82 2 880 7069

Abstract

Barium-doped SiO₂/TiO₂ hollow mesoporous nanospheres (Ba-HNSs) exhibited 22.5 times higher maximum yield stress than commercial BaTiO₃ nanopowders, and 4 times faster ER response than pristine. These superior ER properties were originated from the unique hollow mesoporous structure and high dielectric properties of BaTiO₃ in the Ba-HNSs.

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Article information

DOI: https://doi.org/10.1039/C3RA46284F
Article type: Communication
Submitted: 31 Oct 2013
Accepted: 03 Jan 2014
First published: 10 Jan 2014

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RSC Adv., 2014,4, 6821-6824

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Enhanced electrorheological performance of barium-doped SiO₂/TiO₂ hollow mesoporous nanospheres

S. Kim, C. Kim, J. Hong, S. H. Hwang and J. Jang, RSC Adv., 2014, 4, 6821 DOI: 10.1039/C3RA46284F

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