Preparation of Barium Titanate and Strontium Titanate Nanocube Particles and their Accumulation Using Smart Glue

Aki Nozawa; Tetuo Kuwabara; Hiroshi Uchida; Chikako Moriyoshi; Yoshihiro Kuroiwa; Satoshi Wada

doi:10.4028/www.scientific.net/KEM.421-422.514

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 421-422Preparation of Barium Titanate and Strontium...

Preparation of Barium Titanate and Strontium Titanate Nanocube Particles and their Accumulation Using Smart Glue

Abstract:

Barium titanate (BaTiO3, BT) and strontium titanate (SrTiO3, ST) nanocube particles were successfully prepared by a solvothermal method. The prepared particles were collected by a centrifugal separator. The X-ray diffraction (XRD) measurement confirmed the formation of perovskite BT and ST nanoparticles with sizes of around 17 nm while a transmittance electron microscope (TEM) observation revealed formation of cubic-shaped nanoparticles with sharp edge and corner. These nanocube particles were monodistributed in hexane with tri-n-octylphosphine oxide (TOPO) as dispersant, separately, and then, the 2-dimentional checkerboard-structured accumulations composed of the BT and ST nanocubes were built up using DNA base pair such as adenine and thymine as smart glue. TEM observation confirmed that a part of accumulations had a checkerboard-structure.

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Periodical:

Key Engineering Materials (Volumes 421-422)

Pages:

514-517

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.421-422.514

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Online since:

December 2009

Authors:

Aki Nozawa, Tetuo Kuwabara, Hiroshi Uchida, Chikako Moriyoshi, Yoshihiro Kuroiwa, Satoshi Wada

Keywords:

Accumulation, Barium Titanate (BT), Nanocube, Smart Glue, Solvothermal Method, Strontium Titanate

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