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Synthesizing nanocrystal-assembled mesoporous magnesium oxide using cotton fibres as exotemplate

Sun, Rui-Qin and Sun, Lin-Bing and Chun, Yuan and Xu, Qin-Hua and Wu, Hao (2008) Synthesizing nanocrystal-assembled mesoporous magnesium oxide using cotton fibres as exotemplate. MICROPOROUS AND MESOPOROUS MATERIALS, 111 (1-3). pp. 314-322.

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A novel biomorphic nanocrystal-assembled mesoporous (NAM) magnesium oxides have been synthesized via an exotemplating pathway using cotton fibres as template and magnesium acetate as MgO precursor. These mesoporous MgO materials replicate the microtubular or zonal structure of the cotton morphology, and their frameworks are constructed by plenty of uniform MgO nanocrystals, which are different from those of the cotton template and reference MgO prepared by directly thermal-decomposition of MgO precursor. The mesoporous structure with narrow slit-like pores can be formed, if suitably chosen amounts of precursor magnesium acetate are used. These biomorphic NAM MgO materials have high surface areas, exhibit high selectivity in the catalytic decomposition of isopropanol, and display their potential for an effective basic catalyst or support. (C) 2007 Elsevier Inc. All rights reserved.

Item Type:Article
Uncontrolled Keywords:cotton; exotemplate; high specific surface area; magnesium oxide; nanocrystal-assembled mesopore
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:6071
Deposited By:IoN
Deposited On:07 Sep 2009 10:59
Last Modified:07 Sep 2009 10:59

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