Synthesis of organic-inorganic hybrid nanoparticles by supercriticalfluid and thermodynamics and unit operation of hybrid nanoparticles

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20226015
• Research Category: Grant-in-Aid for Scientific Research (S)
• Allocation Type: Single-year Grants
• Research Field: Properties in chemical engineering process/Transfer operation/Unit operation
• Research Institution: Tohoku University
• Principal Investigator: ADSCHIRI Tadafumi Tohoku University, 原子分子材料科学高等研究機構, 教授 (60182995)
• Project Period (FY): 2008 – 2012
• Keywords: 薄膜・微粒子形成操作

Research Abstract

超臨界水を反応場とすることで、有機分子・高分子と無機分子とを複合化させたナノ粒子を合成しうることを見出した。単一ナノ粒子のみならず、3次元規則配列複合化にも成功している。有機溶媒中へのナノ粒子高濃度分散、高分子への高充填を行いつつ、しかも低粘性も達成できた。さらにナノ粒子を疑似分子として扱うことで、分散状態を相平衡として推算することもできた。これらの結果に基づき、ナノ粒子系熱力学創成に向けて研究を進めている。

Research Products

• [Journal Article] Extra-Low Temperature Oxygen Storage Capacity of CeO_2Nanocrystals with Cubic Facets (2011)
  • Author(s): Jing Zhang, Hitoshi Kumagai, Kae Yamamura, Satoshi Ohara, Seiichi Takami, Akira Morikawa, Hirofumi Shinjoh, Kenji Kaneko, Tadafumi Adschiri, Akihiko Suda
  • Journal Title: Nano Letters, 【Impact Factor : 9.991, Citation : 0】 11 Pages: 361-365
  • Peer Reviewed
• [Journal Article] Fabrication of Two-Dimensional Structures of Metal Oxide Nanocrystals Using Si Substrate Modified with 3,4-Dihydroxyhydrocinnamic Acid (2010)
  • Author(s): Daisuke Hojo, Takanari Togashi, Daisuke Iwasa, Toshihiko Arita, Kimitaka Minami, Seiichi Takami, Tadafumi Adschiri
  • Journal Title: CHEM.MATER.【Impact Factor : 5.368, Citation : 1】 22 Pages: 1862-1869
  • Peer Reviewed
• [Journal Article] Nanoparticles synthesis using supercritical fluid technology - towards biomedical applications (2008)
  • Author(s): K.Byrappa, Satoshi Ohara, Tadafumi Adschiri
  • Journal Title: ADVANCED DRUG DELIVERY REVIEWS, 【Impact Factor : 11.957, Citation : 46】 60 Pages: 299-327
  • Peer Reviewed
• [Presentation] SUPER HYBRID NANOMATERIALS, AMN-5 (2011)
  • Author(s): Tadafumi Adschiri
  • Organizer: Fifth international conference on Advanced Materials and Nanotechnology
  • Place of Presentation: The Michael Fowler Centre, Plenary Speaker, Wellington, New Zealand
  • Year and Date: 2011-02-10
• [Book] ADVANCES IN MATERIALS RESEARCH 13 Nanohybirdization of Organic-Inorganic Materials,(11Supercritical Hydrothermal Synthesis of Organic-Inorganic Hybird Nanoparticles) (2009)
  • Author(s): Tadafumi Adschiri, K.Byrappa
  • Total Pages: 247-280
  • Publisher: Springer
• [Patent(Industrial Property Rights)] ナノ結晶メタルの合成方法 (2010)
  • Inventor(s): 阿尻雅文
  • Industrial Property Rights Holder: 東北大学
  • Industrial Property Number: 特許,特願2010-49385
  • Filing Date: 2010-03-05
• [Patent(Industrial Property Rights)] 有機修飾微粒子 (2009)
  • Inventor(s): 阿尻雅文
  • Industrial Property Rights Holder: 東北大学
  • Industrial Property Number: 特許,第4336856号
  • Acquisition Date: 2009-07-10