期刊
NANOTECHNOLOGY
卷 23, 期 50, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/23/50/505401
关键词
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资金
- Basic Science Program [20090072972]
- Converging Research Center Program [2012K001258]
- National Research Foundation of Korea [NRF-2010-C1AAA001-0029018]
- Ministry of Education, Science, and Technology
Controlling the bulk and surface structure of metal oxide nanostructures is crucial to obtain superior electronic and electrochemical properties. However, the synthetic or post-treatment techniques for preparing such structures, especially those with complex configurations, still remains a challenge. Herein, we report a completely novel approach-an amorphous carbon coating on the surface coupled with a controlled metal oxidation state in the bulk-via a simple glucose treatment. The bulk and surface structures of iron oxides are controlled by the carbothermal reaction associated with the decomposition of glucose. These novel configurations of iron oxides possess an amorphous carbon layer and ferrous state with high electronic conductivity, which definitely enhances their electrochemical properties compared to pristine iron oxides. Our findings provide an effective solution for the synthesis of complex metal oxide nanostructures, which can pave the way to further expand the electronic or electrochemical applications of metal oxides.
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