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Citation: MIAO Jing, HU Chen-Guo, XIONG Yu-Feng, HAN Xiang-Yu, XI Yi. Self-assembly Behavior of SrTiO₃ Nano-sheets and Conversion of Sheets into Cubes[J]. Acta Physico-Chimica Sinica, ;2007, 23(10): 1599-1602. doi: 10.3866/PKU.WHXB20071020 shu

Self-assembly Behavior of SrTiO₃ Nano-sheets and Conversion of Sheets into Cubes

1.
Department of Applied Physics, Chongqing University, Chongqing 400044, P. R. China; National Center for Nanoscience and Technology, Beijing 100080, P. R. China; College of Science, Chongqing Jiaotong University, Chongqing 400074, P. R. China

Received Date: 12 April 2007
Available Online: 6 July 2007

Nanorod-like SrTiO₃ crystals starting from SrCO₃ and TiO₂ were synthesized by a composite-hydroxide- mediated (CHM) method at 200 ℃ for 48 h. The as-synthesized SrTiO₃ nanorods with length from 500 to 800 nm, width about 100-150 nm were assembled by lots of regular nano-sheets. When a small amount of deionized water was added in the vessel during synthesis process, the shape of the crystals turned into cubes. The growth mechanism of SrTiO₃ nanorods was discussed and it was found that the formation of SrTiO₃ nanorods involved four steps: dissolution→homogeneous nucleation→growth of regular sheets→coordinative self-assembles. The influences of water were discussed in detail.
- SrTiO₃; CHM; Nanocrystal; Growth mechanism
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沈阳化工大学材料科学与工程学院沈阳 110142

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Self-assembly Behavior of SrTiO3 Nano-sheets and Conversion of Sheets into Cubes

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通讯作者: 陈斌, bchen63@163.com

Self-assembly Behavior of SrTiO₃ Nano-sheets and Conversion of Sheets into Cubes