Solution synthesis and growth mechanism of SrTiO3 mesocrystals

Nam Hee Park; Yifeng Wang; Won Seon Seo; Feng Dang; Chunlei Wan; Kunihito Koumoto

doi:10.1039/c2ce26409a

Solution synthesis and growth mechanism of SrTiO₃ mesocrystals

Nam Hee Park, Yifeng Wang, Won Seon Seo, Feng Dang, Chunlei Wan, Kunihito Koumoto

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

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 SrTiO ₃ mesocrystals.

Original language	English
Pages (from-to)	679-685
Number of pages	7
Journal	CrystEngComm
Volume	15
Issue number	4
DOIs	https://doi.org/10.1039/c2ce26409a
State	Published - 28 Jan 2013
Externally published	Yes

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AU - Park, Nam Hee

AU - Wang, Yifeng

AU - Seo, Won Seon

AU - Dang, Feng

AU - Wan, Chunlei

AU - Koumoto, Kunihito

PY - 2013/1/28

Y1 - 2013/1/28

N2 - 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 SrTiO 3 mesocrystals.

AB - 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 SrTiO 3 mesocrystals.

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Solution synthesis and growth mechanism of SrTiO₃ mesocrystals

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