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2 results on '"Eishi Tanabe"'

1. Formation of Carbon Nanotubes through Ethylene Decomposition over Supported Platinum Catalysts: Effects of Silica Coating on Catalytic Performance of Platinum.

Author

Sakae Takenaka, Toshiyuki Iguchi, Eishi Tanabe, Hideki Matsune, and Masahiro Kishida

Abstract

Pt metal particles supported on carriers such as MgO and SiO2 showed high activity for the formation of carbon nanotubes (CNTs) through ethylene decomposition at 973 K. However, these CNTs were not uniform in diameter because of the sintering of Pt metal particles during the reaction. Covering Pt catalysts with silica prevented the sintering of Pt metal particles during ethylene decomposition, resulting in the formation of CNTs with a uniform diameter. [ABSTRACT FROM AUTHOR]

Published
2008
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2. Three-Dimensional Analysis of Carbon Nanofibers by Cross-sectional TEM Observations.

Author

Hitoshi Ogihara, Sakae Takenaka, Ichiro Yamanaka, Eishi Tanabe, Akira Genseki, Jun Koki, and Kiyoshi Otsuka

Abstract

Cross-sectional TEM images of carbon nanofibers formed through methane decomposition over Ni/SiO2 catalysts were observed by using an ultramicrotome. The TEM images indicated that carbon nanofibers have regular hexagonal prism structures. [ABSTRACT FROM AUTHOR]

Published
2008
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