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Sachiko Matsushita, Nobuhito Kurono, and Masatsugu Shimomura(2007). One-Step Preparation of Hierarchical Structures Using a Dissipative Process. J. of SJWS 8: 33-36
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One-Step Preparation of Hierarchical Structures Using a Dissipative Process
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Sachiko Matsushita1,2, Nobuhito Kurono1, and Masatsugu Shimomura1
1 Dissipative-Hierarchy Structures Laboratory, RIKEN Frontier Research System, 2-1 Hirosawa, Wako, Saitama 351-0198, JAPAN
2 Department of Integrated Sciences in Physics and Biology, College of Humanities and Sciences,
Nihon University, 3-25-40 Sakurajosui, Setagaya-ku, Tokyo 156-8550, JAPAN
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Abstaract: A dissipative process enabled us to prepare hierarchical structures by one-step fabrication. A variety of periodic structures arose spontaneously from volatile oil droplets (organic solvent with amphiphilic polymer) and water droplets (particle water suspension) under high humidity. The resulting material had a honeycomb-like structure (the pore size was 1 ?m), packed with functional fine particles, fluorescent polystyrene or titanium dioxide. This process suggested to us that many materials suspended in water, such as viruses (10 -200 nm diameter) and liposomes (20 -50 nm), could self-organize into periodic structures.
Key words: self-assembly, self-organize, hierarchy, TiO2, hexagonal
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