Issue 4, 2013
From the journal:

CrystEngComm

Solution synthesis and growth mechanism of SrTiO3 mesocrystals

Nam-Hee Park,ab   Yifeng Wang,ab   Won-Seon Seo,c   Feng Dang,ab   Chunlei Wanab  and  Kunihito Koumoto*ab  

* Corresponding authors

a Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Nagoya, Japan
E-mail: koumoto@apchem.nagoya-u.ac.jp
Fax: +81-052-789-3201
Tel: +81-052-789-3327

b CREST, Japan Science and Technology Agency, Tokyo, Japan

c KICET, Korean Institute of Ceramic Engineering & Technology, Seoul, Korea

Abstract

Single-crystalline SrTiO3 mesocrystals were synthesized via sol–precipitation coupled with a hydrothermal process using oleic acid as a capping agent. To clarify the growth mechanism, the time-dependence morphology, size, and growth process of SrTiO3 mesocrystal were investigated. SrTiO3 mesocrystals formed from oriented aggregates of Sr–Ti–O nanorods, which were subsequently transformed into irregular morphologies via the formation of the SrTiO3 phase. Then oriented fusion of the irregular particles gave a mesocrystal structure. The addition of oleic acid accelerated the formation of Sr–Ti–O nanorods, oriented the fusion of irregular SrTiO3 particles, and formed the cubic morphology of SrTiO3 mesocrystals.

Graphical abstract: Solution synthesis and growth mechanism of SrTiO3 mesocrystals

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Article information

DOI
https://doi.org/10.1039/C2CE26409A
Article type
Paper
Submitted
31 Aug 2012
Accepted
26 Sep 2012
First published
03 Oct 2012

CrystEngComm, 2013,15, 679-685

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Solution synthesis and growth mechanism of SrTiO3 mesocrystals

N. Park, Y. Wang, W. Seo, F. Dang, C. Wan and K. Koumoto, CrystEngComm, 2013, 15, 679 DOI: 10.1039/C2CE26409A

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