Understanding of structure formation of colloidal particles and its application to patterned wiring of ITO

• Project/Area Number: 18206080
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Reaction engineering/Process system
• Research Institution: The University of Tokyo
• Principal Investigator: YAMAGUCHI Yukio The University of Tokyo, 大学院・工学系研究科, 教授 (20332570)
• Co-Investigator(Kenkyū-buntansha): SASAKURA Hideshi 旭化成株式会社 ; KADOWAKI Tetsuji 御国色素株式会社 ; FUJITA Masahiro 東京大学, 大学院・工学系研究科, 准教授 (40436530)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥50,180,000 (Direct Cost: ¥38,600,000、Indirect Cost: ¥11,580,000); Fiscal Year 2008: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000); Fiscal Year 2007: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000); Fiscal Year 2006: ¥20,800,000 (Direct Cost: ¥16,000,000、Indirect Cost: ¥4,800,000)
• Keywords: 材料合成プロセス / コロイド / ナノ粒子 / 透明電極 / パターン化 / 自己組織化 / ITO薄膜 / 単層カーボンナノチューブ(SWCNT) / 分散 / 凝集 / 塗布、乾燥 / 界面活性剤 / 超音波分散 / ナノ構造 / 分散・凝集 / ITO / 導電性 / 透過率 / 塗布

Research Abstract

当研究室においてCVD 合成したSWCNTを用い、塗布法にて透明電極を作製した。研究成果として、溶液に超音波分散し、吸引法で作製した様々なSWCNT 薄膜を評価した結果、最高値として80%の透過率で500を得た。
また、ナノプロセシングの学理を体系化するために、ナノ粒子のナノ構造と高次構造を予測するシミュレータ(SNAP : Structure of NAno-Particle)を開発した。これを用いて、CNTのようなアスペクト比の大きなナノ粒子の乾燥による高次構造形成を予測した。

Research Products

• [Journal Article] Formation of well-aligned thin films of rod-like nanoparticles via solvent evaporation : A simulation study (2009)
  • Author(s): S. Ohta, S. Inasawa, O. Koike, M.Fujita, Y.Yamaguchi
  • Journal Title: Appl. Phys Express 2(6)
  • NAID: 10025086801
  • Peer Reviewed
• [Journal Article] Multiple "optimum" conditions for Co-Mo catalyzed growth of vertically aligned single-walled carbon nanotube forests (2009)
  • Author(s): H. Sugime, S. Noda, S. Maruyama, and Y.Yamaguchi
  • Journal Title: Carbon 47(1) Pages: 234-241
  • Peer Reviewed
• [Journal Article] Simulation model of concentrated colloidal rod-like nanoparticles (2008)
  • Author(s): O. Koike, S. Ohta, M. Fujita, and Y.Yamaguchi
  • Journal Title: Jpn. J. Appl. Phys 47(10) Pages: 8124-8130
  • NAID: 40016281816
  • Peer Reviewed
• [Journal Article] Simulation model of concentrated colloidal nanoparticulate flows (2008)
  • Author(s): M. Fujita and Y. Yamaguchi
  • Journal Title: Physical Review E 77(2) Pages: 26706-26706
  • Peer Reviewed
• [Journal Article] Individuals, grasses, and forests of single- and multi-walled carbon nanotubes grown by supported Co catalysts of different nominal thicknesses (2008)
  • Author(s): K. Kakehi, S. Noda, S. Maruyama, and Y. Yamaguchi
  • Journal Title: Appl. Surf. Sci 254(21) Pages: 6710-6714
  • Peer Reviewed
• [Journal Article] Simulation model of concentrated colloidal nanoparticulate flows (2008)
  • Author(s): Fujita, Masahiro; Yamaguchi, Yukio
  • Journal Title: Physical Review E: Statistical,Nonlinear, and Soft Matter Physics 77(2-2)
  • Peer Reviewed
• [Journal Article] Simulation model of concentrated colloidal rod-like nanoparticles. (2008)
  • Author(s): Koike, 0; Ohta, S ; Fujita, M; Yamaguchi, Y
  • Journal Title: Japanese Journal of Applied Physics 47 Pages: 8124-8130
  • NAID: 40016281816
  • Peer Reviewed
• [Journal Article] Growth window and possible mechanism of millimeter-thick single-walled carbon nanotube forests (2008)
  • Author(s): Hasegawa, K; Noda, S; Sugime, H; Kakehi , K; Maruyama, S; Yamaguchi, Y
  • Journal Title: Journal of Nanoscience and Nanotechnology 8(11) Pages: 6123-6128
  • Peer Reviewed
• [Journal Article] Change of photoluminescence properties of cyano-substituted poly p-phenylene vinylene controlled by photoirradiation. (2008)
  • Author(s): Kuzuoka, Yoshikazu; Yamaguchi. Yukio
  • Journal Title: Synthetic Metals 158(12) Pages: 489-496
  • Peer Reviewed
• [Journal Article] Growth valley dividing single-and multi-walled carbon nanotubes: combinatorial study of nominal thickness of Co catalyst (2008)
  • Author(s): Kakehi, Kazunori; Noda, Suguru; Maruyama, Shigeo
  • Journal Title: Japanese Journal of Applied Physics 47(4,Pt.1) Pages: 1961-1965
  • Peer Reviewed
• [Journal Article] Growth window and possible mechanism of millimeter-thick single-walled carbon nanotube (2008)
  • Author(s): k. Hasegawa, S. Noda, H. Sugime, K. Ka
  • Journal Title: J.Nanosci.Nanotechnol. (掲載確定)
  • Peer Reviewed
• [Journal Article] Multiscale Simulation Method for self-organization of nanoparticles in dense suspension (2007)
  • Author(s): M. Fujita and Y. Yamaguchi
  • Journal Title: Journal of Comp.Phys. 223 Pages: 108-120
  • Peer Reviewed
• [Journal Article] Multiscale Simulation Mcthod for Self-organization of nanopartilces in dense suspension (2007)
  • Author(s): M.Fujita, Yukio Yamaguchi
  • Journal Title: Journal of Computational Physics 223 Pages: 108-120
• [Presentation] 流れ場におけるひも状ナノ粒子系のシミュレーション (2009)
  • Author(s): 伊藤岳大、稲澤晋、藤田昌大、山口由岐夫
  • Organizer: 化学工学会第74年会
  • Place of Presentation: 横浜国大
  • Year and Date: 2009-03-23
• [Presentation] 棒状ナノ粒子の分散液中における配向現象のシミュレーション (2008)
  • Author(s): 太田誠一, 小池修, 稲澤晋, 藤田昌大, 山口由岐夫
  • Organizer: 化学工学会第40回秋季大会
  • Place of Presentation: 東北大学
  • Year and Date: 2008-09-23
• [Presentation] Simulation of Structure Formation and Physical Properties of Colloidal Rod-like Nanoparticles in Drying Process (2008)
  • Author(s): S. Ohta, O. Koike, M. Fujita, and Y.Yamaguchi
  • Organizer: Proceedings of The 14th International Coating Science and Technology Symposium
  • Place of Presentation: Marina del Rey, USA
  • Year and Date: 2008-09-10
• [Presentation] Fujita,Total Simulation of Meso-scale Structure Formation of Coating Process for Colloidal Solutions (2008)
  • Author(s): Y.Yamaguchi, and M.Fujita
  • Organizer: Proceedings of The 14th International Coating Science and Technology Symposium
  • Place of Presentation: Marina del Rey, USA
  • Year and Date: 2008-09-09
• [Presentation] Simulation of Concentrated Colloidal Nanoparticles in Simple Shear between Parallel Flat Plates (2008)
  • Author(s): M. Fujita, O. Koike and Y. Yamaguchi
  • Organizer: Proceedings of The 14th International Coating Science and Technology Symposium
  • Place of Presentation: Marina del Rey, USA
  • Year and Date: 2008-09-09
• [Presentation] Residual stress and adhesive force of nanoparticle films fabricated by inkjet printing (2008)
  • Author(s): H. Nakatsu, S. Inasawa, M. Fujita and Y. Yamaguchi
  • Organizer: 14th International Coating Science and Technology
  • Place of Presentation: SanDiego in USA
  • Year and Date: 2008-09-08
• [Presentation] Simulation of Structure Formation and Physical Properties of Colloidal Rod-like Nanoparticles in Drying Process (2008)
  • Author(s): S. Ohta, 0. Koike, S. Inasawa, M. Fujita and Y. yamaguchi
  • Organizer: 14th International Coating Science and Technology
  • Place of Presentation: SanDiego in USA
  • Year and Date: 2008-09-08
• [Presentation] Relationship between aggregates structures and settling for colloidal silica particles in aqueous electrolyte solution (2008)
  • Author(s): Keisuke, Oku, Susumu, Inasawa, Yukio, yamaguchi
  • Organizer: 14th International Coating Science and Technology
  • Place of Presentation: SanDiego in USA
  • Year and Date: 2008-09-08
• [Presentation] Total Simulation of Meso-scale Sturucture Formation of Coating Process for Colloidal Solutions (2008)
  • Author(s): Y. Yamaguchi and M. Fujita,
  • Organizer: 14th International Coating Science and Technology
  • Place of Presentation: SanDiego in USA
  • Year and Date: 2008-09-08
• [Presentation] Simulation of Concentrated Colloidal Nanoparticles in Simple Shear between Parallel Flat Plates (2008)
  • Author(s): M. Fujita, O. Koike and Y. Yamaguchi
  • Organizer: 14th International Coating Science and Technology
  • Place of Presentation: SanDiego in USA
  • Year and Date: 2008-09-08
• [Book] 究極の粉をつくる(共著、第4章担当) (2008)
  • Author(s): 内藤牧男、山口由岐夫
  • Total Pages: 230
  • Publisher: 日刊工業新聞社
• [Book] 究極の粉をつくる (2008)
  • Author(s): 内藤敏男, 山口由岐夫, 他
  • Total Pages: 250
  • Publisher: 日刊工業新聞社
• [Book] Elsevier Science (2007)
  • Author(s): Yukio Yamaguchi
  • Publisher: Nanoparticle Technology Handbook
• [Patent(Industrial Property Rights)] カーボンナノチューブの製造方法 (2009)
  • Inventor(s): 野田優, 杉目恒志, 山口由岐夫, 他4名
  • Industrial Property Rights Holder: 東京大学
  • Filing Date: 2009-03-06
• [Patent(Industrial Property Rights)] カーボンナノチューブの製造方法 (2009)
  • Inventor(s): 野田優, 杉目恒志, 山口 由岐夫, 大沢利男, 筧和憲, 長谷川馨, 金東榮
  • Industrial Property Rights Holder: 東大・日立化成
  • Filing Date: 2009-03-06
  • Overseas
• [Patent(Industrial Property Rights)] カーボンナノチューブの製造方法 (2008)
  • Inventor(s): 野田優, 杉目恒志, 山口由岐夫, 他4名
  • Industrial Property Rights Holder: 東京大学
  • Industrial Property Number: 2008-058825
  • Filing Date: 2008-03-07