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
收藏
页码：679 / 685
页数：7
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