In situ        growth        BaTiO3 nanocubes and their superlattice from an aqueous process

Feng Dang; Kenichi Mimura; Kazumi Kato; Hiroaki Imai; Satoshi Wada; Hajime Haneda; Makoto Kuwabara

doi:10.1039/C2NR11594H

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In situ growth BaTiO₃ nanocubes and their superlattice from an aqueous process†

Feng Dang,*^ab Kenichi Mimura,^a Kazumi Kato,^a Hiroaki Imai,^b Satoshi Wada,^c Hajime Haneda^d and Makoto Kuwabara^e

Author affiliations

* Corresponding authors

^a National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya, Japan

^b Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Japan
E-mail: dang-f@a3.keio.jp

^c Yamanashi University, 4-3-11, Takeda, Kofu, Japan

^d National Institute for Materials and Science (NIMS), 1-1 Namiki, Tukuba, Japan

^e Kyushu University, 6-1 Kasuga-kouen Kasuga, Fukuoka, Japan

Abstract

Ordered aggregated BaTiO₃ nanocubes with a narrow size distribution were obtained in an aqueous process by using bis(ammonium lactate) titanium dihydroxide (TALH) as Ti source in the presence of oleic acid and tert-butylamine. Kinetics of the formation of BaTiO₃ nanocubes indicated that an in situgrowth mechanism was dominant and the superlattice of nanocubes formed in situ through the growth of BaTiO₃ nanoparticles in Ti-based hydrous gel. The size and morphology of nanocubes were controlled by tuning the concentration and molar ratio of surfactants. A novel growth model dependant on the structure of Ti precursor for the formation and morphology control of BaTiO₃ nanocubes and their superlattice was demonstrated.

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Article information

DOI: https://doi.org/10.1039/C2NR11594H
Article type: Paper
Submitted: 27 Oct 2011
Accepted: 02 Dec 2011
First published: 26 Jan 2012

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Nanoscale, 2012,4, 1344-1349

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In situ growth BaTiO₃ nanocubes and their superlattice from an aqueous process

F. Dang, K. Mimura, K. Kato, H. Imai, S. Wada, H. Haneda and M. Kuwabara, Nanoscale, 2012, 4, 1344 DOI: 10.1039/C2NR11594H

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