下嶋 敦

研究成果

年別の研究成果 1995 2008 2010 2011 2012 2015 2016 2017 2018 2019 2021 2022

• 158 Article
• 5 Review article
• 4 Chapter
• 4 Comment/debate
• 5 その他
  • 2 Conference contribution
  • 2 Conference article
  • 1 Letter

年別の研究成果

年別の研究成果

検索結果

• Article

  Synthesis of Cristobalite Containing Ordered Interstitial Mesopores using Crystallization of Silica Colloidal Crystals

  Matsuno, T., Nakaya, T., Kuroda, Y., Wada, H., Shimojima, A. & Kuroda, K., 2021 2月 1, In: Chemistry - An Asian Journal. 16, 3, p. 207-214 8 p.

  研究成果: Article › 査読

  • Crystallization 100%
  • Silicon Dioxide 94%
  • Interstitial 86%
  • Amorphous Material 37%
  • Nanocomposite 36%
  1 被引用数 (Scopus)

• Synthesis of layered inorganic-organic nanocomposite films from mono-, di-, and trimethoxy(alkyl)silane-tetramethoxysilane systems

  Shimojima, A., Umeda, N. & Kuroda, K., 2001 11月 7, In: Chemistry of Materials. 13, 10, p. 3610-3616 7 p.

  研究成果: Article › 査読

  • Nanocomposite films 100%
  • Organosiloxane 92%
  • 29Si NMR Spectrum 91%
  • Silanes 79%
  • 29Si MAS NMR 77%
  103 被引用数 (Scopus)

• Synthesis of mesostructured silica from monoalkyl-substituted double five-ring units

  Shimojima, A., Kuge, H. & Kuroda, K., 2011 3月, In: Journal of Sol-Gel Science and Technology. 57, 3, p. 263-268 6 p.

  研究成果: Article › 査読

  • Siloxane 100%
  • Silica 98%
  • Self assembly 84%
  • siloxanes 83%
  • Solid-State 29Si MAS NMR 82%
  15 被引用数 (Scopus)

• Synthesis of monodisperse organosilica nanoparticles with hollow interiors and porous shells using silica nanospheres as templates

  Koike, N., Ikuno, T., Okubo, T. & Shimojima, A., 2013 5月 7, In: Chemical Communications. 49, 44, p. 4998-5000 3 p.

  研究成果: Article › 査読

  • Nanospheres 100%
  • Silica 61%
  • Nanoparticles 59%
  • Nanosphere 58%
  • Silsesquioxane 36%
  45 被引用数 (Scopus)

• Synthesis of MTW-type zeolites in the absence of organic structure-directing agent

  Iyoki, K., Kamimura, Y., Itabashi, K., Shimojima, A. & Okubo, T., 2010, In: Chemistry Letters. 39, 7, p. 730-731 2 p.

  研究成果: Article › 査読

  • Zeolite 100%
  • Gel 82%
  • Cation 76%
  66 被引用数 (Scopus)

• Synthesis of multilayered silica-based hybrid films from difunctional organosilanes by co-hydrolysis and polycondensation with tetraalkoxysilane

  Umeda, N., Shimojima, A. & Kuroda, K., 2003 12月 1, In: Journal of Organometallic Chemistry. 686, 1-2, p. 223-227 5 p.

  研究成果: Article › 査読

  • Organosilicon Compounds 100%
  • Polycondensation 81%
  • tetramethoxysilane 68%
  • Hydrolysis 63%
  • hydrolysis 59%
  8 被引用数 (Scopus)

• Synthesis of ordered photoresponsive azobenzene-siloxane hybrids by self-assembly

  Guo, S., Sugawara-Narutaki, A., Okubo, T. & Shimojima, A., 2013 11月 14, In: Journal of Materials Chemistry C. 1, 42, p. 6989-6995 7 p.

  研究成果: Article › 査読

  • Azobenzene 100%
  • Self assembly 68%
  • Irradiation 23%
  • Lamellar structures 21%
  • Liquid Film 15%
  21 被引用数 (Scopus)

• Synthesis of ordered porous graphitic-C₃N₄ and regularly arranged Ta₃N₅ nanoparticles by using self-assembled silica nanospheres as a primary template

  Fukasawa, Y., Takanabe, K., Shimojima, A., Antonietti, M., Domen, K. & Okubo, T., 2011 1月 3, In: Chemistry - An Asian Journal. 6, 1, p. 103-109 7 p.

  研究成果: Article › 査読

  • graphitic carbon nitride 100%
  • Nanospheres 65%
  • Silicon Dioxide 50%
  • Nanosphere 42%
  • Nanoparticles 39%
  99 被引用数 (Scopus)

• Synthesis of Organosilyl-Functionalized Cage-Type Germanoxanes Containing Fluoride Ions

  Sato, N., Hayashi, T., Tochigi, K., Wada, H., Shimojima, A. & Kuroda, K., 2019 1月 1, In: Chemistry - A European Journal.

  研究成果: Article › 査読

  • Hydrosilylation 100%
  • Functional materials 70%
  • Silyl Group 65%
  • Solubility 54%
  • Ions 45%
  2 被引用数 (Scopus)

• Synthesis of Polycyclic and Cage Siloxanes by Hydrolysis and Intramolecular Condensation of Alkoxysilylated Cyclosiloxanes

  Sugiyama, T., Shiba, H., Yoshikawa, M., Wada, H., Shimojima, A. & Kuroda, K., 2019 2月 21, In: Chemistry - A European Journal. 25, 11, p. 2764-2772 9 p.

  研究成果: Article › 査読

  • Cyclosiloxane 100%
  • Hydrolysis 76%
  • Siloxane 65%
  • Condensation 63%
  • Tetrasiloxane 38%
  10 被引用数 (Scopus)

• Synthesis of silicalite-1 using a disiloxane-based structure-directing agent

  Ishii, H., Itabashi, K., Okubo, T. & Shimojima, A., 2011 3月, In: Microporous and Mesoporous Materials. 139, 1-3, p. 158-163 6 p.

  研究成果: Article › 査読

  • Tetrapropylammonium 100%
  • linkages 83%
  • zeolites 80%
  • cations 59%
  • Positive ions 58%
  4 被引用数 (Scopus)

• Synthesis of silylated derivatives of a layered polysilicate kanemite with mono-, di-, and trichloro(alkyl)silanes

  Shimojima, A., Mochizuki, D. & Kuroda, K., 2001 11月 7, In: Chemistry of Materials. 13, 10, p. 3603-3609 7 p.

  研究成果: Article › 査読

  • Chain length 100%
  • Silanes 90%
  • Silicates 81%
  • Derivatives 58%
  • Nuclear magnetic resonance 56%
  94 被引用数 (Scopus)

• Synthesis of string-bean-like anisotropic titania nanoparticles with basic amino acids

  Wang, J., Katahara, J. K., Kumamoto, A., Tohei, T., Sugawara-Narutaki, A., Shimojima, A. & Okubo, T., 2014, In: RSC Advances. 4, 18, p. 9233-9235 3 p.

  研究成果: Article › 査読

  • Amino acids 100%
  • Nanoparticles 82%
  • Titanium 80%
  • Arginine 73%
  • Functional materials 58%
  6 被引用数 (Scopus)

• Synthesis of Zeolitic Macrocycles Using Site-Selective Condensation of Regioselectively Difunctionalized Cubic Siloxanes

  Saito, S., Wada, H., Shimojima, A. & Kuroda, K., 2018 12月 3, In: Inorganic Chemistry. 57, 23, p. 14686-14691 6 p.

  研究成果: Article › 査読

  • cyclic compounds 100%
  • siloxanes 69%
  • Cyclic Compound 68%
  • Siloxane 55%
  • Macrocycle 49%
  8 被引用数 (Scopus)

• The Critical Effect of Niobium Doping on the Formation of Mesostructured TiO₂: Single-Crystalline Ordered Mesoporous Nb-TiO₂ and Plate-like Nb-TiO₂ with Ordered Mesoscale Dimples

  Kitahara, M., Shimasaki, Y., Matsuno, T., Kuroda, Y., Shimojima, A., Wada, H. & Kuroda, K., 2015 9月 1, In: Chemistry - A European Journal. 21, 37, p. 13073-13079 7 p.

  研究成果: Article › 査読

  • Niobium 100%
  • Doping (additives) 88%
  • Crystalline materials 83%
  • Crystals 78%
  • Titanium dioxide 69%
  11 被引用数 (Scopus)

• Thermoplastic polydimethylsiloxane with l-phenylalanine-based hydrogen-bond networks

  Tazawa, S., Shimojima, A., Maeda, T. & Hotta, A., 2018 6月 20, In: Journal of Applied Polymer Science. 135, 24, 45419.

  研究成果: Article › 査読

  • Hydrogen bonds 100%
  • Polydimethylsiloxane 90%
  • Young's Modulus 76%
  • Thermoplastics 72%
  • Hydrogen Bond 44%
  12 被引用数 (Scopus)

• Thickness control of 3-dimensional mesoporous silica ultrathin films by wet-etching

  Kobayashi, M., Susuki, K., Otani, T., Enomoto, S., Otsuji, H., Kuroda, Y., Wada, H., Shimojima, A., Homma, T. & Kuroda, K., 2017 6月 28, In: Nanoscale. 9, 24, p. 8321-8329 9 p.

  研究成果: Article › 査読

  • Ultrathin films 100%
  • Thickness control 93%
  • Wet etching 86%
  • Ultrathin Film 76%
  • Nanodots 75%
  10 被引用数 (Scopus)

• Topotactic conversion of layered silicate RUB-15 to silica sodalite through interlayer condensation in N-methylformamide

  Koike, M., Asakura, Y., Sugihara, M., Kuroda, Y., Tsuzura, H., Wada, H., Shimojima, A. & Kuroda, K., 2017, In: Dalton Transactions. 46, 31, p. 10232-10239 8 p.

  研究成果: Article › 査読

  • N-Methylformamide 100%
  • Condensation 51%
  • Acetic Acid 32%
  • Calcination 23%
  • Intercalation Compound 12%
  7 被引用数 (Scopus)

• Tracking the rearrangement of atomic configurations during the conversion of FAU zeolite to CHA zeolite

  Muraoka, K., Sada, Y., Shimojima, A., Chaikittisilp, W. & Okubo, T., 2019, In: Chemical Science. 10, 37, p. 8533-8540 8 p.

  研究成果: Article › 査読

  Open Access

  • Zeolite 100%
  • Solid-State 29Si MAS NMR 56%
  • Monte Carlo Method 34%
  • Adsorption 16%
  26 被引用数 (Scopus)

• Transformation of Mesostructured Silica Nanoparticles into Colloidal Hollow Nanoparticles in the Presence of a Bridged-Organosiloxane Shell

  Yamamoto, E., Uchida, S., Shimojima, A., Wada, H. & Kuroda, K., 2018 1月 23, In: Chemistry of Materials. 30, 2, p. 540-548 9 p.

  研究成果: Article › 査読

  • Silica nanoparticles 100%
  • Nanoparticles 65%
  • Organosiloxane 49%
  • Silica 48%
  • Chemical Transformation 41%
  18 被引用数 (Scopus)

• Tri(quaternary ammonium) surfactant with a benzene core as a novel template for synthesis of ordered porous silica

  Fukasawa, Y., Sugawara, A., Hirahara, H., Shimojima, A. & Okubo, T., 2010, In: Chemistry Letters. 39, 3, p. 236-237 2 p.

  研究成果: Article › 査読

  • Ammonium 100%
  • Benzene 88%
  • Surfactant 85%
  • Porosity 73%
  • Trimethylammonium 69%
  10 被引用数 (Scopus)

• Two-phase synthesis of monodisperse silica nanospheres with amines or ammonia catalyst and their controlled self-assembly

  Wang, J., Sugawara-Narutaki, A., Fukao, M., Yokoi, T., Shimojima, A. & Okubo, T., 2011 5月 25, In: ACS Applied Materials and Interfaces. 3, 5, p. 1538-1544 7 p.

  研究成果: Article › 査読

  • Nanospheres 100%
  • Self assembly 78%
  • Amines 71%
  • Ammonia 63%
  • Silica 61%
  92 被引用数 (Scopus)

• Two-stage crystallization of meso-and macroporous MFI and MEL zeolites using tributylamine-derived diquaternary ammonium cations as organic structure-directing agents

  Keoh, S. H., Chaikittisilp, W., Endo, A., Shimojima, A. & Okubo, T., 2017, In: Bulletin of the Chemical Society of Japan. 90, 5, p. 586-594 9 p.

  研究成果: Article › 査読

  • Macro Porosity 100%
  • Ammonium 79%
  • Zeolite 76%
  • Crystallization 70%
  • Cation 58%
  3 被引用数 (Scopus)

• Usefulness of Mesoporous Silica as a Template for the Preparation of Bundles of Bi Nanowires with Precisely Controlled Diameter below 10 nm

  Kitahara, M., Kamila, H., Shimojima, A., Wada, H., Mori, T., Terasaki, I. & Kuroda, K., 2016 3月 18, In: Chemistry - An Asian Journal. 11, 6, p. 900-905 6 p.

  研究成果: Article › 査読

  • Nanowires 100%
  • Silicon Dioxide 70%
  • Nanowire 53%
  • Hexanes 20%
  • Size Reduction 19%
  6 被引用数 (Scopus)

• Use of mesoporous silica modified with titanium oxide as a template for preparation of mesoporous carbon incorporating TiO₂ nanocrystals

  Kitahara, M., Suzuki, K., Kubara, S., Shimasaki, Y., Shimojima, A., Wada, H. & Kuroda, K., 2016, In: Bulletin of the Chemical Society of Japan. 89, 10, p. 1207-1211 5 p.

  研究成果: Article › 査読

  • Titanium Oxide 100%
  • Nanocrystal 74%
  • Meso Porosity 70%
  • Carbon Atom 42%
  • Nanocomposite 39%
  5 被引用数 (Scopus)

• Variation of counter quaternary ammonium cations of anionic cage germanoxanes as building blocks of nanoporous materials

  Hayashi, T., Sato, N., Wada, H., Shimojima, A. & Kuroda, K., 2021 6月 28, In: Dalton Transactions. 50, 24, p. 8497-8505 9 p.

  研究成果: Article › 査読

  • Nanoporosity 100%
  • Ammonium 84%
  • Block Like Crystal 72%
  • Cation 62%
  • Tetraethylammonium 31%
  1 被引用数 (Scopus)