Structure Control and Function Programmed build-up of nano-structures and search for their functions
Research area in the strategic sector PRESTO
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Phase 1 (2005-2008) Phase 2 (2006-2009) Phase 3 (2007-2010)        
Megumi Akai Kenichiro Itami Masayuki Inoue Masato Katahira Kenji Kobayashi Ken-ichi Saitow Hiroshi Sakaguchi
Takeshi Serizawa Atsushi Takano Donglin Jiang Akihiko Tsuda Shuichi Hiraoka Yasujiro Murata Tetsuro Murahashi
Ken-ichi Saitow
Advanced nanomaterials fabricated by high-power laser field and supercritical fluid
(Associate Professor, Hiroshima University, Natural Science Center for Basic Research and Development)
(Additional post:Associate Professor, Department of Chemistry, Graduate School of Science)
http://home.hiroshima-u.ac.jp/saitow-lab
Ken-ichi Saitow
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A novel method for generating nanomaterials is developed by performing laser ablation of solid materials in supercritical fluid. The method is shown to successfully generate silicon nanoclusters and gold nanoparticles, and to allow for the selective generation of the nanomaterials having different electronic structures and shapes. This selective fabrication enables us to obtain the nanomaterials via a dry process, by changing only the fluid pressure when ablation is performed. The experimental procedures are not highly specialized, and a variety of researchers unfamiliar with wet chemical processes are able to obtain nanomaterials with different properties in only a few minutes. In this project, the generated materials are studied extensively with spectroscopic methods and various microscopes. In addition, fabrications of the other advanced nanomaterials are challenged.
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