Super hybrid materials

T. Adschiri, S. Takami, K. Minami, T. Yamagata, K. Miyata, T. Morishita, M. Ueda, K. Fukushima, M. Ueno, T. Okada, H. Oshima, Y. Mitani, S. Asahina, S. Unno

研究成果: Conference contribution

3 被引用数 (Scopus)


Various composite materials have been developed, but in many cases problems arise due to the combined materials such as fabrication becoming difficult because of the significant increase in viscosity, and transparency of the polymer is sacrificed. These issues can be overcome by controlling the nano-interface; however, this is considered as a difficult task since nanoparticles (NPs) easily aggregate in polymer matrices because of their high surface energy. Organic functionalization of inorganic NPs is required to increase affinity between NPs and polymers. For fabricating multi-functional materials, we proposed a new method to synthesize organic modified NPs by using supercritical water. Because organic molecules and metal salt aqueous solutions are miscible in supercritical water and water molecules serve as acid/base catalysts for the reactions, hybrid organic/inorganic NPs can be synthesized under the supercritical condition. The hybrid NPs show high affinity for the organic solvent and the polymer matrix, which leads to the fabrication of these super hybrid NPs. How to release the heat from the devices is the bottle neck of developing the future power devices, and thus nano hybrid materials of polymer and ceramics are required to achieve both high thermal conductivity and easy thin film flexible fabrication, namely trade-off functions. Surface modification of the BN particles via supercritical hydrothermal synthesis improves the affinity between BN and the polymers. This increases the BN loading ratio in the polymers, thus resulting in high thermal conductivity. Transparent dispersion of high refractive index NPs, such as TiO2 and ZrO2, in the polymers is required to fabricate optical materials. By adjusting the affinity between NPs and the polymers, we could fabricate super hybrid nanomaterials, which have flexiblility and high refractive index and transparency.

ホスト出版物のタイトルAdvanced Materials and Nanotechnology, AMN-5
出版社Trans Tech Publications Ltd
出版ステータスPublished - 2012
イベント5th Biennial Conference on Advanced Materials and Nanotechnology, AMN-5 - Wellington, New Zealand
継続期間: 2011 2月 72011 2月 11


名前Materials Science Forum


Other5th Biennial Conference on Advanced Materials and Nanotechnology, AMN-5
国/地域New Zealand

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学


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