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α‐Fe<sub>2</sub>O<sub>3</sub> Nanorings Prepared by a Microwave‐Assisted Hydrothermal Process and Their Sensing Properties

Xianluo HuThe Center of Novel Functional Molecules, Environmental Science Programme and Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong (P.R. China)Jimmy C. YuThe Center of Novel Functional Molecules, Environmental Science Programme and Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong (P.R. China)Jiang GongDepartment of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong (P.R. China)Quan LiDepartment of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong (P.R. China)Gang LiThe Center of Novel Functional Molecules, Environmental Science Programme and Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong (P.R. China)

2007en

ABI

Annotatsiya

Free-standing α-Fe2O3 nanorings are synthesized in solution through a rapid microwave-assisted hydrothermal process. The ringlike structure is a new member in the family of iron oxide nanostructures. The sensors made of the α-Fe2O3 nanorings exhibit high sensitivity not only for bio-sensing of hydrogen peroxide in a physiological solution but also for gas-sensing of alcohol vapor at room temperature. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2089/2007/c2176_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

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Identifikatorlar

DOI: 10.1002/adma.200602176

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