Solution synthesis and growth mechanism of SrTiO3 mesocrystals

被引：24

作者：

Park, Nam-Hee ^{[1
,2
]}

Wang, Yifeng ^{[1
,2
]}

Seo, Won-Seon ^{[3
]}

Dang, Feng ^{[1
,2
]}

Wan, Chunlei ^{[1
,2
]}

Koumoto, Kunihito ^{[1
,2
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Dept Appl Chem, Nagoya, Aichi 4648603, Japan

[2] Japan Sci & Technol Agcy, CREST, Tokyo 1020075, Japan

[3] Korean Inst Ceram Engn & Technol, KICET, Seoul 153801, South Korea

来源：

CRYSTENGCOMM | 2013年 / 15卷 / 04期

关键词：

HYDROTHERMAL SYNTHESIS; OXIDES; NANOPARTICLES; TEMPERATURE; PERFORMANCE; NANOCUBES; CRYSTAL; TIO2; FILM;

D O I：

10.1039/c2ce26409a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：679 / 685

页数：7

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