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Start Over Author "Junko N. Kondo" Publisher american chemical society
9 results on '"Junko N. Kondo"'

2. Synthesis, Mesostructure, and Photocatalysis of a Highly Ordered and Thermally Stable Mesoporous Mg and Ta Mixed Oxide

Author

Kiyotaka Nakajima, Junko N. Kondo, Miwa Uchida, Lu Daling, and Michikazu Hara, and Kazunari Domen

Subjects
chemistry.chemical_classification, Materials science, General Chemical Engineering, Inorganic chemistry, Oxide, General Chemistry, Polymer, law.invention, Mesoporous organosilica, chemistry.chemical_compound, chemistry, Chemical engineering, law, Materials Chemistry, Photocatalysis, Mixed oxide, Calcination, Mesoporous material
Abstract

An ordered (2D-hexagonal) mesoporous Mg and Ta mixed oxide (Mg−Ta oxide) is successfully prepared. The mesoporous Mg−Ta oxide is stable after calcination at 773 K for 30 h, and has a BET surface ar...

Published
2004

8. Crystallization of Mesoporous Metal Oxides.

Author

Junko N. Kondo and Kazunari Domen

Subjects
*CRYSTALLIZATION, *METALLIC oxides, *HEAT transfer, *NANOSTRUCTURED materials
Abstract

Crystallization of an amorphous inorganic network of mesoporous metal oxides is achieved while maintaining the original ordered mesoporous structure. The methodology utilizes reinforcement (carbon or silica) to strengthen the periodic structure so that the original ordered mesoporous structure is preserved during thermal treatment for crystallization. The reinforcement is removed after crystallization to provide crystalline mesoporous metal oxide with the original ordered structure. Enhancement of photocatalytic activity for the total decomposition of water over mesoporous Ta 2O 5after crystallization is shown as an example of the advantages of crystalline mesoporous metal oxides. [ABSTRACT FROM AUTHOR]

Published
2008
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