Template-free, low-temperature synthesis of crystalline barium titanate nanoparticles under bio-inspired conditions

被引:89
作者
Brutchey, Richard L.
Morse, Daniel E. [1 ]
机构
[1] Univ Calif Santa Barbara, Inst Collaborat Biotechnol, Calif Nanosyst Inst, Mat Res Lab, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Dept Mol Cellular & Dev Biol, Santa Barbara, CA 93106 USA
关键词
barium titanate; nanostructures; perovskite phases; sol-gel processes;
D O I
10.1002/anie.200602571
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Mimicking sponges: Well-defined crystalline nanoparticles of cubic BaTiO3 are prepared at a very low temperature by using a bio-inspired methodology. A bimetallic alkoxide is used as a single-source precursor in a vapor-diffusion sol-gel synthesis. Water and catalyst (HCl) are delivered in a spatial and temporal gradient to promote the slow growth of nanoparticles. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:6564 / 6566
页数:3
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