Large-Scale Synthesis of Fe3O4 Nanosheets at Low Temperature
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- 作者：Kok Chung Chin ; Ghee Lee Chong ; Chee Kok Poh ; Li Hui Van ; Chorng Haur Sow ; Jianyi Lin ; Andrew Thye Shen Wee
- 刊名：Journal of Physical Chemistry C
- 出版年：2007
- 出版时间：July 5, 2007
- 年：2007
- 卷：111
- 期：26
- 页码：9136 - 9141
- 全文大小：993K
- 年卷期：v.111,no.26(July 5, 2007)
- ISSN：1932-7455
文摘
We introduce a simple approach to synthesize high-quality Fe3O4 nanosheets at low temperature. By oxidizingpure Fe substrates in acidic solution on a hot plate maintained at 70 
C, we have grown the nanosheets inlarge-scale. The samples were characterized by SEM, XRD, TEM, micro-Raman, and VSM. Flowing O2 gasinto the solution during oxidation enhances the growth rate of the nanosheets and thereby shortens the growthtime from 24 h to 15 min. The magnetic property of the sample was also investigated. This technique canpotentially be extended for large-scale synthesis of other metal-oxide nanosheets such as ZnO.
C, we have grown the nanosheets inlarge-scale. The samples were characterized by SEM, XRD, TEM, micro-Raman, and VSM. Flowing O2 gasinto the solution during oxidation enhances the growth rate of the nanosheets and thereby shortens the growthtime from 24 h to 15 min. The magnetic property of the sample was also investigated. This technique canpotentially be extended for large-scale synthesis of other metal-oxide nanosheets such as ZnO.