Formation kinetics of drying-induced colloidal films and manipulation of film structures

• Project/Area Number: 20760522
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Reaction engineering/Process system
• Research Institution: The University of Tokyo
• Principal Investigator: INASAWA Susumu 東京大学, 大学院・工学系研究科, 助教 (30466776)
• Project Period (FY): 2008 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
• Keywords: ナノ粒子 / 粒子膜構造 / 光学物性 / 亀裂 / 周期構造形成 / 塗布乾燥 / コロイド粒子膜 / コロイド粒子薄膜 / 複屈折 / 光学特性 / 液滴乾燥

Research Abstract

Colloidal films were formed by various drying processes and we revealed effects of drying conditions on both birefringence and crack formation in colloidal films. We found that drying anisotropy results in nanometer-scale anisotropy in film structure.

Research Products

• [Journal Article] Self-organized pattern formation of cracks perpendicular to the drying direction of a colloidal suspension (2012)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Journal Title: Soft Matter Volume: 8 Pages: 2416-2422
• [Journal Article] Formation of Optically Anisotropic Films from Spherical Colloidal Particles (2009)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Journal Title: Langmuir Volume: 25 Pages: 11197-11201
• [Journal Article] Formation of optically anisotropic films from spherical colloidal particles (2009)
  • Author(s): Susumu Inasawa, Yukio Yamaguchi
  • Journal Title: Langmuir 25 Pages: 11197-11201
  • Peer Reviewed
• [Presentation] 乾燥で形成するコロイド粒子膜内の圧力変動と周期的な亀裂形成 (2012)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 化学工学会第77年会
• [Presentation] 分散液からのシリカ粒子膜形成と周期的亀裂形成メカニズム (2011)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 化学工学会第76年会
• [Presentation] Self-organized periodic pattern formation of cracks during drying of silica colloidal suspension (2011)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Organizer: Asia Coating Workshop 2011
• [Presentation] Control of anisotropic refractive indices of colloidal particulate films formed by drying of colloidal suspension (2011)
  • Author(s): Kohei Yamaguchi, Susumu Inasawa and Yukio Yamaguchi
  • Organizer: Asia Coating Workshop 2011
• [Presentation] 粒子から粒子膜へ : コロイド分散液の乾燥ダイナミクス (2011)
  • Author(s): 稲澤晋
  • Organizer: 材料化学システム工学討論会
• [Presentation] Formation of optically anisotropic films by spherical colloidal silica particles (2010)
  • Author(s): 稲澤晋, 山口由岐夫
  • Organizer: American Chemical Society 239th National Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2010-03-22
• [Presentation] Formation of optically anisotropic films by spherical colloidal silica particles (2010)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Organizer: ACS 239th National Meeting
• [Presentation] Periodic lateral crack formation in particulate films during unidirectional drying of silica colloidal suspension (2010)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Organizer: Asian Coating Workshop 2010
• [Presentation] Birefringent particulate films formed via drying of spherical colloidal suspension (2010)
  • Author(s): Kohei Yamaguchi, Susumu Inasawa and Yukio Yamaguchi
  • Organizer: Asian Coating Workshop 2010
• [Presentation] コロイド粒子集合体形成 : 液乾燥過程での構造形成と粒子群としての物性評価 (2010)
  • Author(s): 稲澤晋、神建太郎、山口幸平、山口由岐夫
  • Organizer: 粉体操作に伴う諸現象に関する勉強会
• [Presentation] Drying phenomena during the formation of particulate films from colloidal suspension (2010)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Organizer: 15^<th> International Society of Coating Science and Technology
• [Presentation] 球状粒子薄膜の複屈折発現メカニズム (2010)
  • Author(s): 山口幸平、稲澤晋、山口由岐夫
  • Organizer: 化学工学会第42会秋季大会
• [Presentation] コロイド粒子分散系における自己組織的構造形成と物性評価 (2009)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 化学工学会第41回秋季大会
  • Place of Presentation: 広島大学
  • Year and Date: 2009-09-18
• [Presentation] 屈折率異方性を持つシリカナノ粒子膜の構造評価 (2009)
  • Author(s): 稲澤晋
  • Organizer: 化学工学会第74年会
  • Place of Presentation: 横浜国立大学
  • Year and Date: 2009-03-18
• [Presentation] シリカナノ粒子薄膜の屈折率異方性発現と構造評価 (2009)
  • Author(s): 稲澤晋
  • Organizer: 高分子材料開発のための俯瞰的シンポジウム
  • Place of Presentation: 京都大学桂キャンパス
  • Year and Date: 2009-01-14
• [Presentation] シリカナノ粒子薄膜の屈折率異方性発現と構造評価 (2009)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 高分子材料開発のための俯瞰的シンポジウム
• [Presentation] 屈折率異方性をもつシリカナノ粒子膜の構造評価 (2009)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 化学工学会第74年会
• [Presentation] Formation of optically anisotropic silica colloidal films by a simple drop drying method (2009)
  • Author(s): Susumu Inasawa and Yukio Yamaguchi
  • Organizer: Asian coating workshop 2009
• [Presentation] 屈折率異方性を発現するコロイドシリカ粒子膜の構造評価 (2009)
  • Author(s): 稲澤晋、山口由岐夫
  • Organizer: 第70回応用物理学会学術講演会
• [Presentation] コロイド粒子分散系における自己組織的構造形成と物性評価 (2009)
  • Author(s): 稲澤晋
  • Organizer: 化学工学会第41回秋季大会
• [Presentation] コロイド分散液乾燥過程における二次粒子形成過程メカニズム (2008)
  • Author(s): 稲澤晋、若林智紀、山口由岐夫
  • Organizer: 化学工学会第40回秋季大会
• [Remarks]
  • URL: http://ymfs.chem.t.u-tokyo.ac.jp/index-j.html