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Ionic liquid-assisted hydrothermal synthesis of γ-Al2O3hierarchical nanostructures

✍ Scribed by Tongil Kim; Haobo Li; Jiabiao Lian; Huaihai Jin; Jianmin Ma; Xiaochuan Duan; Gang Yao; Wenjun Zheng

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
191 KB
Volume
45
Category
Article
ISSN
0232-1300

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✦ Synopsis

The boehmite (Al 2 O 3 •H 2 O) hierarchical nanostructure with spindle-like morphology has been successfully synthesized via ionic liquid-assisted hydrothermal synthetic method under mild condition using an ionic liquid 1-butyl-3-dimethylimidazolium bromide ([Bmim][Br]) as a template. The proposed formation mechanism has been investigated and the hydrogen bond-co-π-π stack mechanism is used to be responsible for the present formation of the precursor hierarchical nanostructure. The γ-Al 2 O 3 hierarchical nanostructure was obtained by calcining the as-synthesized precursor at 500 °C for 2 h, preserving the same morphology.

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