HIROKI NAGASAWA

Last Updated :2025/06/16

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
Web Site
https://home.hiroshima-u.ac.jp/membrane/
E-mail
nagasawahiroshima-u.ac.jp
Other Contact Details
1-4-1，Kagamiyama，Higashi-Hiroshima, Japan
TEL : (+81)82-424-7719 FAX : (+81)
Self-introduction
Development of functional thin films via plasma processing and their applications.

Basic Information

Major Professional Backgrounds

  • 2022/03/01, 2022/09/30, The University of New Mexico, Visiting Scholar
  • 2020/04/01, 2023/12/31, Hiroshima University, Graduate School of Advanced Science and Engineering, Assistant Professor
  • 2017/04/01, 2020/03/31, Hiroshima University, Graduate School of Engineering, Assistant Professor
  • 2012/04/01, 2017/03/31, Hiroshima University, Institute of Engineering, Assistant Professor (Special Appointment)
  • 2010/04, 2012/03, Japan Society for the Promotion of Science, Special Postdoctoral Researcher

Educational Backgrounds

  • The University of Tokyo, Graduate School of Frontier Sciences, Departoment of Environment Systems, Japan, 2012/03/31
  • The University of Tokyo, Japan, 2007/04, 2009/03
  • The University of Tokyo, Japan, 2003/04, 2007/03

Academic Degrees

  • Doctor of Philosophy, The University of Tokyo
  • Master of Engineering, The University of Tokyo

In Charge of Primary Major Programs

  • Chemical Engineering

Research Fields

  • Engineering;Process / Chemical engineering;Properties in chemical engineering process / Transfer operation / Unit operation

Research Keywords

  • Membrane separation
  • Atmospheric-pressure plasma
  • Plasma-enhanced chemical vapor deposition
  • Silica Membrane
  • Functional thin film
  • Molecular sieving

Affiliated Academic Societies

  • The Society of Chemical Engineers, Japan
  • The Membrane Society of Japan
  • American Institute of Chemical Engineering
  • The Japan Society of Applied Physics

Educational Activity

Course in Charge

  1. 2025, Liberal Arts Education Program1, 2Term, Introduction to Applied Chemistry, Chemical Engineering,and Biotechnology
  2. 2025, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  3. 2025, Undergraduate Education, 2Term, Introduction to Applied Chemistry, Chemical Engineering and Biotechnology
  4. 2025, Undergraduate Education, Second Semester, Experimental Chemical Engineering
  5. 2025, Undergraduate Education, Second Semester, Chemical Reaction Engineering
  6. 2025, Undergraduate Education, First Semester, Chemical Process Design
  7. 2025, Undergraduate Education, Second Semester, Chemical Engineering Exercise I
  8. 2025, Undergraduate Education, Year, Graduation Thesis
  9. 2025, Graduate Education (Master's Program) , First Semester, Special Exercises on Chemical Engineering A
  10. 2025, Graduate Education (Master's Program) , 3Term, Special Exercises on Chemical Engineering B
  11. 2025, Graduate Education (Master's Program) , 4Term, Special Exercises on Chemical Engineering B
  12. 2025, Graduate Education (Master's Program) , Year, Special Study on Chemical Engineering
  13. 2025, Graduate Education (Master's Program) , 2Term, Advanced Reaction Process Engineering
  14. 2025, Graduate Education (Doctoral Program) , Year, Special Study on Chemical Engineering

Research Activities

Academic Papers

  1. Improved RO performance in organic aqueous solutions of methyl-functionalized silica membranes modified by atmospheric-pressure plasma, JOURNAL OF MEMBRANE SCIENCE, 705, 202406
    Link to Paper Search Results by DOI
  2. Impact of Trifluoroacetic Acid on Tetraethoxysilane and Amine-Functionalized Tetraethoxysilane Silica Membranes for CO2 Separation, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 63(26), 11602-11612, 20240624
    Link to Paper Search Results by DOI
  3. Enhanced hydrogen selectivity of allylhydridopolycarbosilane (AHPCS)-derived silicon carbide membranes via air curing, JOURNAL OF MEMBRANE SCIENCE, 708, 202408
    Link to Paper Search Results by DOI
  4. Green ammonia production via recycle membrane reactor: Experiment and process simulation, CHEMICAL ENGINEERING JOURNAL, 496, 20240915
    Link to Paper Search Results by DOI
  5. Atmospheric-Pressure Plasma-Induced In Situ Polymerization of Liquid Silsesquioxane Monomer for the Synthesis of Polysilsesquioxane Nanocomposite Membranes with Sub- Nanometer Pores for Molecular Separation, ACS APPLIED NANO MATERIALS, 20230215
    Link to Paper Search Results by DOI
  6. Nanogradient Hydrophilic/Hydrophobic Organosilica Membranes Developed by Atmospheric-Pressure Plasma to Enhance Pervaporation Performance, ACS NANO, 16(7), 10302-10313, 20220726
    Link to Paper Search Results by DOI
  7. Metal-Induced Aminosilica Rigidity Improves Highly Permeable Microporous Membranes via Different Types of Pendant Precursors, ACS APPLIED MATERIALS & INTERFACES, 14(37), 42692-42704, 20220921
    Link to Paper Search Results by DOI
  8. Fabrication of 3-(trihydroxysilyl)-1-propanesulfonic acid membranes with superior affinity and selectivity for NH3 permeation over H2 and N2 at 50-300 C, JOURNAL OF MEMBRANE SCIENCE, 702, 202405
    Link to Paper Search Results by DOI
  9. Development of sulfonated (3-Mercaptopropyl)trimethoxysilane membranes with thermal stability and excellent NH3 perm-selectivity at 300 C, JOURNAL OF MEMBRANE SCIENCE, 696, 202403
    Link to Paper Search Results by DOI
  10. Physicochemical Treatments of Graphene Oxide to Improve Water Vapor/Gas Separation Performance of Supported Laminar Membranes: Sonication and H2O2 Oxidation, ACS APPLIED MATERIALS & INTERFACES, 16(6), 8086-8097, 20240201
    Link to Paper Search Results by DOI
  11. Permeation properties and hydrothermal stability of allylhydridopolycarbosilane (AHPCS)-derived silicon carbide (SiC) membranes, MATERIALS ADVANCES, 5(6), 2420-2429, 20240318
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  12. Gas-Permeable Carbon Molecular Sieve Membranes Fabricated from a Norbornene-Functionalized Polyimide-Polyhedral Oligomeric Silsesquioxane Composite, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 63(3), 1554-1565, 20240110
    Link to Paper Search Results by DOI
  13. Bis(triethoxysilyl)ethane (BTESE)-Organosilica Membranes for H2O/DMF Separation in Reverse Osmosis (RO): Evaluation and Correlation of Subnanopores via Nanopermporometry (NPP), Modified Gas Translation (mGT) and RO Performance, MEMBRANES, 14(1), 202401
    Link to Paper Search Results by DOI
  14. Enhancement of water permeability in SiO2-ZrO2 nanofiltration membranes via adding organic solutes into the SiO2-ZrO2 sols, SEPARATION AND PURIFICATION TECHNOLOGY, 333, 20240401
    Link to Paper Search Results by DOI
  15. Gas permeation properties of bridged-type organosilica membranes at extremely low temperatures and the application to oxygen separation, JOURNAL OF MEMBRANE SCIENCE, 691, 20240205
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  16. Steam recovery from flue gas by organosilica membranes for simultaneous harvesting of water and energy, NATURE COMMUNICATIONS, 14(1), 20231123
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  17. A highly water-selective carboxymethylated cellulose nanofiber (CNF-CMC) membrane for the separation of binary (water/N2) and ternary (water/alcohols/N2) systems in vapor-permeation, JOURNAL OF MEMBRANE SCIENCE, 691, 20240205
    Link to Paper Search Results by DOI
  18. Sub-nanometer scale tailoring of the microstructures of composite organosilica membranes for efficient pervaporation of toluene/ n-heptane mixtures, JOURNAL OF MEMBRANE SCIENCE, 672, 20230415
    Link to Paper Search Results by DOI
  19. Optimization of Ni-amine coordination for improving NH3 permeation through nickel-doped bis[3-(trimethoxysilyl)propyl] amine membranes, SEPARATION AND PURIFICATION TECHNOLOGY, 326, 20231201
    Link to Paper Search Results by DOI
  20. An ultrahigh permeance and CO2 selective membrane of organosilica-based coordination polymer tailored via nickel crosslinking, JOURNAL OF MEMBRANE SCIENCE, 679, 20230805
    Link to Paper Search Results by DOI
  21. Enhanced NH3 permeation of bis[3-(trimethoxysilyl)propyl] amine membranes via coordination with metals, JOURNAL OF MEMBRANE SCIENCE, 678, 20230715
    Link to Paper Search Results by DOI
  22. Steam permeation properties of perfluorosulfonic acid/ceramic composite membranes at a high temperature under various humidity conditions, SEPARATION AND PURIFICATION TECHNOLOGY, 320, 20230901
    Link to Paper Search Results by DOI
  23. Catalytic effect of trifluoroacetic acid on the CO2 transport properties of organic-inorganic hybrid silica membranes, JOURNAL OF MEMBRANE SCIENCE LETTERS, 3(1), 202305
    Link to Paper Search Results by DOI
  24. Atmospheric-pressure plasma modification to control porous structure and affinity of organosilica membranes for pervaporation dehydration: Effect of plasma modification time, SEPARATION AND PURIFICATION TECHNOLOGY, 320, 20230901
    Link to Paper Search Results by DOI
  25. Permeation Properties of Water Vapor through Graphene Oxide/Polymer Substrate Composite Membranes, MEMBRANES, 13(5), 20230521
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  26. Hydrothermal Stability of Hydrogen-Selective Carbon-Ceramic Membranes Derived from Polybenzoxazine-Modified Silica-Zirconia, MEMBRANES, 13(1), 202301
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  27. Water permeation in gas and liquid phases through organosilica membranes: A unified theory of reverse osmosis, pervaporation, and vapor permeation, CHEMICAL ENGINEERING SCIENCE, 263, 20221214
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  28. Microporous structure control of SiO2-ZrO2 composite membranes via Yttrium doping and an evaluation of thermal stability, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 104(3), 566-579, 202212
    Link to Paper Search Results by DOI
  29. Ammonia permeation of fluorinated sulfonic acid polymer/ceramic composite membranes, JOURNAL OF MEMBRANE SCIENCE, 658, 20220915
    Link to Paper Search Results by DOI
  30. Ammonia permeation of fluorinated sulfonic acid polymer/ceramic composite membranes, JOURNAL OF MEMBRANE SCIENCE, 658, 20220915
    Link to Paper Search Results by DOI
  31. The Effect of C/Si Ratio and Fluorine Doping on the Gas Permeation Properties of Pendant-Type and Bridged-Type Organosilica Membranes, MEMBRANES, 12(10), 202210
    Link to Paper Search Results by DOI
  32. Tailoring the structure of a sub-nano silica network via fluorine doping to enhance CO2 separation and evaluating CO2 separation performance under dry or wet conditions, JOURNAL OF MEMBRANE SCIENCE, 658, 20220915
    Link to Paper Search Results by DOI
  33. Low-temperature cross-linking fabrication of sub-nanoporous SiC-based membranes for application to the pervaporation removal of methanol, JOURNAL OF MEMBRANE SCIENCE, 662, 20221015
    Link to Paper Search Results by DOI
  34. Hydrophilic behavior of methyl-terminated organosilica thin films modified by atmospheric-pressure water vapor plasma, MATERIALS LETTERS, 325, 20221015
    Link to Paper Search Results by DOI
  35. Design of carbon-ceramic composite membranes with tunable molecular cut-offs from a carboxylic benzoxazine ligand chelated to silica-zirconia, MOLECULAR SYSTEMS DESIGN & ENGINEERING, 7(9), 20220830
    Link to Paper Search Results by DOI
  36. Structural transformation of the nickel coordination-induced subnanoporosity of aminosilica membranes for methanol-selective, high-flux pervaporation, JOURNAL OF MEMBRANE SCIENCE, 656, 20220815
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  37. Transesterification membrane reactor with organosilica membrane in batch and continuous flow modes, CHEMICAL ENGINEERING JOURNAL, 450, 20221215
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  38. Open-air plasma deposition of polymer-supported silica-based membranes for, SEPARATION AND PURIFICATION TECHNOLOGY, 291, 20220615
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  39. Structural transformation of the nickel coordination-induced subnanoporosity of aminosilica membranes for methanol-selective, high-flux pervaporation, JOURNAL OF MEMBRANE SCIENCE, 656, 20220815
    Link to Paper Search Results by DOI
  40. Effect of fluorine doping on the network pore structure of non-porous organosilica bis(triethoxysilyl)propane (BTESP) membranes for use in molecular separation, JOURNAL OF MEMBRANE SCIENCE, 644, 20220215
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  41. Network tailoring of organosilica membranes via aluminum doping to improve the humid-gas separation performance, RSC ADVANCES, 12(10), 5834-5846, 20220216
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  42. Reverse osmosis and pervaporation of organic liquids using organosilica membranes: Performance analysis and predictions, AICHE JOURNAL, 68(4), 202204
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  43. Characterization and gas permeation properties of amorphous silica membranes prepared via plasma enhanced chemical vapor deposition, JOURNAL OF MEMBRANE SCIENCE, 441, 45-53, 20130815
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  44. Pore size control of Al-doping into bis (triethoxysilyl) methane (BTESM)-derived membranes for improved gas permeation properties, RSC ADVANCES, 3(30), 12080-12083, 2013
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  45. Graphene nanosheets supporting Ru nanoparticles with controlled nanoarchitectures form a high-performance catalyst for COx-free hydrogen production from ammonia, JOURNAL OF MATERIALS CHEMISTRY A, 2(24), 9185-9192, 2014
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  46. Molecular dynamics simulation study on characterization of bis(triethoxysilyl)-ethane and bis(triethoxysilyl)ethylene derived silica-based membranes, DESALINATION AND WATER TREATMENT, 51(25-27), 5248-5253, 20130701
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  47. Multilayered polyamide membranes by spray-assisted 2-step interfacial polymerization for increased performance of trimesoyl chloride (TMC)/m-phenylenediamine (MPD)-derived polyamide membranes, JOURNAL OF MEMBRANE SCIENCE, 446, 504-512, 20131101
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  48. Sol-gel spin coating process to fabricate a new type of uniform and thin organosilica coating on polysulfone film, MATERIALS LETTERS, 109, 130-133, 20131015
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  49. Micropore Filling Phase Permeation of a Condensable Vapor in Silica Membranes: A Molecular Dynamics Study, JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 46(10), 659-671, 2013
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  50. Preparation of BTESE-derived organosilica membranes for catalytic membrane reactors of methylcyclohexane dehydrogenation, JOURNAL OF MEMBRANE SCIENCE, 455, 375-383, 20140401
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  51. High-temperature stability of PECVD-derived organosilica membranes deposited on TiO2 and SiO2-ZrO2 intermediate layers using HMDSO/Ar plasma, SEPARATION AND PURIFICATION TECHNOLOGY, 121, 13-19, 20140114
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  52. A closer look at the development and performance of organic-inorganic membranes using 2,4,6-tris-[3(triethoxysilyl)-1-propoxyl]-1,3,5-triazine (TTESPT), RSC ADVANCES, 4(24), 12404-12407, 2014
    Link to Paper Search Results by DOI
  53. Development and gas permeation properties of microporous amorphous TiO2-ZrO2-organic composite membranes using chelating ligands, JOURNAL OF MEMBRANE SCIENCE, 461, 96-105, 20140701
    Link to Paper Search Results by DOI
  54. CO2 Permeation through Hybrid Organosilica Membranes in the Presence of Water Vapor, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 53(14), 6113-6120, 20140409
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  55. A CO2 fixation process with waste cement powder via regeneration of alkali and acid by electrodialysis, RSC ADVANCES, 4(38), 19778-19788, 2014
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  56. Fabrication of a layered hybrid membrane using an organosilica separation layer on a porous polysulfone support, and the application to vapor permeation, JOURNAL OF MEMBRANE SCIENCE, 464, 140-148, 20140815
    Link to Paper Search Results by DOI
  57. Insight into the pore tuning of triazine-based nitrogen-rich organoalkoxysilane membranes for use in water desalination, RSC ADVANCES, 4(45), 23759-23769, 2014
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  58. Gas permeation properties through Al-doped organosilica membranes with controlled network size, JOURNAL OF MEMBRANE SCIENCE, 466, 246-252, 20140915
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  59. Experimental and Theoretical Study on Small Gas Permeation Properties through Amorphous Silica Membranes Fabricated at Different Temperatures, JOURNAL OF PHYSICAL CHEMISTRY C, 118(35), 20323-20331, 20140904
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  60. Synthesis and characterization of a layered-hybrid membrane consisting of an organosilica separation layer on a polymeric nanofiltration membrane, JOURNAL OF MEMBRANE SCIENCE, 472, 19-28, 20141215
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  61. ★, Modified Gas-Translation Model for Prediction of Gas Permeation Through Microporous Organosilica Membranes, AICHE JOURNAL, 60(12), 4199-4210, 201412
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  62. Preparation and gas permeation properties of thermally stable organosilica membranes derived by hydrosilylation, JOURNAL OF MATERIALS CHEMISTRY A, 2(3), 672-680, 2014
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  63. Tuning the pore sizes of novel silica membranes for improved gas permeation properties via an in situ reaction between NH3 and Si-H groups, CHEMICAL COMMUNICATIONS, 51(13), 2551-2554, 2015
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  64. Methylcyclohexane dehydrogenation for hydrogen production via a bimodal catalytic membrane reactor, AICHE JOURNAL, 61(5), 1628-1638, 201512
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  65. Microporous organosilica membranes for gas separation prepared via PECVD using different O/Si ratio precursors, JOURNAL OF MEMBRANE SCIENCE, 489, 11-19, 20150901
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  66. Photo-induced sol-gel processing for low-temperature fabrication of high-performance silsesquioxane membranes for use in molecular separation, CHEMICAL COMMUNICATIONS, 51(49), 9932-9935, 2015
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  67. Plasma treatment of hydrophobic sub-layers to prepare uniform multi-layered films and high-performance gas separation membranes, APPLIED SURFACE SCIENCE, 349, 415-419, 20150915
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  68. Pore-size evaluation and gas transport behaviors of microporous membranes: An experimental and theoretical study, AICHE JOURNAL, 61(7), 2268-2279, 201507
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  69. CO2 Fixation Process with Waste Cement Powder via Regeneration of Alkali and Acid by Electrodialysis: Effect of Operation Conditions, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 54(25), 6569-6577, 20150701
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  70. Plasma-assisted multi-layered coating towards improved gas permeation properties for organosilica membranes, RSC ADVANCES, 5(74), 59837-59844, 2015
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  71. Robust organosilica membranes for high temperature reverse osmosis (RO) application: Membrane preparation, separation characteristics of solutes and membrane regeneration, JOURNAL OF MEMBRANE SCIENCE, 493, 515-523, 20151101
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  72. Evaluating the gas permeation properties and hydrothermal stability of organosilica membranes under different hydrosilylation conditions, JOURNAL OF MEMBRANE SCIENCE, 493, 664-672, 20151101
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  73. Reverse osmosis performance of layered-hybrid membranes consisting of an organosilica separation layer on polymer supports, JOURNAL OF MEMBRANE SCIENCE, 494, 104-112, 20151115
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  74. Preparation of organosilica membranes on hydrophobic intermediate layers and evaluation of gas permeation in the presence of water vapor, JOURNAL OF MEMBRANE SCIENCE, 496, 156-164, 20151215
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  75. Effect of firing temperature on the water permeability of SiO2-ZrO2 membranes for nanofiltration, JOURNAL OF MEMBRANE SCIENCE, 497, 348-356, 20160101
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  76. Pervaporation and vapor permeation characteristics of BTESE-derived organosilica membranes and their long-term stability in a high-water-content IPA/water mixture, JOURNAL OF MEMBRANE SCIENCE, 498, 336-344, 20160115
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  77. Network engineering of a BTESE membrane for improved gas performance via a novel pH-swing method, JOURNAL OF MEMBRANE SCIENCE, 511, 219-227, 20160801
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  78. Tailoring the Separation Behavior of Polymer-Supported Organosilica Layered-Hybrid Membranes via Facile Post-Treatment Using HCl and HN3 Vapors, ACS APPLIED MATERIALS & INTERFACES, 8(17), 11060-11069, 20161204
    Link to Paper Search Results by DOI
  79. Nanofiltration performance of SiO2-ZrO2 membranes in aqueous solutions at high temperatures, SEPARATION AND PURIFICATION TECHNOLOGY, 168, 238-247, 20160810
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  80. Plasma-enhanced chemical vapor deposition of amorphous carbon molecular sieve membranes for gas separation, RSC ADVANCES, 6(64), 59045-59049, 2016
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  81. Propylene/propane Permeation Properties of Metal-doped Organosilica Membranes with Controlled Network Sizes and Adsorptive Properties, JOURNAL OF THE JAPAN PETROLEUM INSTITUTE, 59(4), 140-148, 201607
    Link to Paper Search Results by DOI
  82. Tailoring the Subnano Silica Structure via Fluorine Doping for Development of Highly Permeable CO2 Separation Membranes, CHEMNANOMAT, 2(4), 264-267, 201604
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  83. Evaluation of non-commercial ceramic SiO2-ZrO2 and organosilica BTESE membranes in a highly oxidative medium: Performance in hydrogen peroxide, JOURNAL OF MEMBRANE SCIENCE, 520, 740-748, 20161215
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  84. ★, Atmospheric-pressure plasma-enhanced chemical vapor deposition of microporous silica membranes for gas separation, JOURNAL OF MEMBRANE SCIENCE, 524, 644-651, 20170215
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  85. SiO2-ZrO2 nanofiltration membranes of different Si/Zr molar ratios: Stability in hot water and acid/alkaline solutions, JOURNAL OF MEMBRANE SCIENCE, 524, 700-711, 20170215
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  86. Pore size tuning of sol-gel-derived triethoxysilane (TRIES) membranes for gas separation, JOURNAL OF MEMBRANE SCIENCE, 524, 64-72, 20170215
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  87. Photo-induced sol-gel synthesis of polymer-supported silsesquioxane membranes, RSC ADVANCES, 7(12), 7150-7157, 2017
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  88. Organosilica bis(triethoxysilyl)ethane (BTESE) membranes for gas permeation (GS) and reverse osmosis (RO): The effect of preparation conditions on structure, and the correlation between gas and liquid permeation properties, JOURNAL OF MEMBRANE SCIENCE, 526, 242-251, 20170315
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  89. Fabrication and Microstructure Tuning of a Pyrimidine-Bridged Organoalkoxysilane Membrane for CO2 Separation, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 56(5), 1316-1326, 20170208
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  90. Pyrimidine-bridged organoalkoxysilane membrane for high-efficiency CO2 transport via mild affinity, SEPARATION AND PURIFICATION TECHNOLOGY, 178, 232-241, 20171207
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  91. Development and permeation properties of SiO2-ZrO2 nanofiltration membranes with a MWCO of < 200, JOURNAL OF MEMBRANE SCIENCE, 535, 331-341, 20170801
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  92. Preparation of cyclic peptide nanotube structures and molecular simulation of water adsorption and diffusion, JOURNAL OF MEMBRANE SCIENCE, 537, 101-110, 20170901
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  93. Preparation and Gas Permeation Properties of Fluorine-Silica Membranes with Controlled Amorphous Silica Structures: Effect of Fluorine Source and Calcination Temperature on Network Size, ACS APPLIED MATERIALS & INTERFACES, 9(29), 24625-24633, 20170726
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  94. Fabrication and CO2 permeation properties of amine-silica membranes using a variety of amine types, JOURNAL OF MEMBRANE SCIENCE, 541, 447-456, 20171101
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  95. Gas permeation properties for organosilica membranes with different Si/C ratios and evaluation of microporous structures, AICHE JOURNAL, 63(10), 4491-4498, 201710
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  96. Preliminary techno-economic analysis of non-commercial ceramic and organosilica membranes for hydrogen peroxide ultrapurification, CHEMICAL ENGINEERING RESEARCH & DESIGN, 125, 385-397, 201709
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  97. Fluorine-induced microporous silica membranes: Dramatic improvement in hydrothermal stability and pore size controllability for highly permeable propylene/propane separation, JOURNAL OF MEMBRANE SCIENCE, 549, 111-119, 20180301
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  98. Bis(triethoxysilyl)ethane (BTESE)-derived silica membranes: pore formation mechanism and gas permeation properties, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 86(1), 63-72, 201804
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  99. Enhanced CO2 Separation Performance for Tertiary Amine-Silica Membranes via Thermally Induced Local Liberation of CH3Cl, AICHE JOURNAL, 64(5), 1528-1539, 201812
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  100. Facile and Scalable Flow-Induced Deposition of Organosilica on Porous Polymer Supports for Reverse Osmosis Desalination, ACS APPLIED MATERIALS & INTERFACES, 10(16), 14070-14078, 20180425
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  101. Acid post-treatment of sol-gel-derived ethylene-bridged organosilica membranes and their filtration performances, JOURNAL OF MEMBRANE SCIENCE, 556, 196-202, 20180615
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  102. Tailoring a Thermally Stable Amorphous SiOC Structure for the Separation of Large Molecules: The Effect of Calcination Temperature on SiOC Structures and Gas Permeation Properties, ACS OMEGA, 3(6), 6369-6377, 201806
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  103. Atmospheric-pressure plasma-enhanced chemical vapor deposition of UV-shielding TiO2 coatings on transparent plastics, MATERIALS LETTERS, 228, 479-481, 20181001
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  104. Fluorine Doping of Microporous Organosilica Membranes for Pore Size Control and Enhanced Hydrophobic Properties, ACS OMEGA, 3(8), 8612-8620, 201808
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  105. Preparation, characterization, and evaluation of TiO2-ZrO2 nanofiltration membranes fired at different temperatures, JOURNAL OF MEMBRANE SCIENCE, 564, 691-699, 20181015
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  106. Role of Amine Type in CO2 Separation Performance within Amine Functionalized Silica/Organosilica Membranes: A Review, APPLIED SCIENCES-BASEL, 8(7), 201807
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  107. Pervaporation dehydration of aqueous solutions of various types of molecules via organosilica membranes: Effect of membrane pore sizes and molecular sizes, SEPARATION AND PURIFICATION TECHNOLOGY, 207, 108-115, 20181222
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  108. Improved thermal and oxidation stability of bis( triethoxysilyl) ethane ( BTESE)- derived membranes, and their gas- permeation properties, JOURNAL OF MATERIALS CHEMISTRY A, 6(46), 23378-23387, 20181214
    Link to Paper Search Results by DOI
  109. ★, Atmospheric-Pressure Plasma-Enhanced Chemical Vapor Deposition of Hybrid Silica Membranes, JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 51(9), 732-739, 201809
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  110. UV-Protective TiO2 Thin Films with High Transparency in Visible Light Region Fabricated via Atmospheric-Pressure Plasma-Enhanced Chemical Vapor Deposition, ACS APPLIED MATERIALS & INTERFACES, 10(49), 42657-42665, 20181212
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  111. Hydrothermal stability and permeation properties of TiO2-ZrO2 (5/5) nanofiltration membranes at high temperatures, SEPARATION AND PURIFICATION TECHNOLOGY, 212, 1001-1012, 20190401
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  112. Tailoring Ultramicroporosity To Maximize CO2 Transport within Pyrimidine-Bridged Organosilica Membranes, ACS APPLIED MATERIALS & INTERFACES, 11(7), 7164-7173, 20190220
    Link to Paper Search Results by DOI
  113. Effects of Calcination Condition on the Network Structure of Triethoxysilane (TRIES) and How Si-H Groups Influence Hydrophobicity Under Hydrothermal Conditions, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 58(9), 3867-3875, 20190306
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  114. Molecular dynamics simulation study on the mechanisms of liquid-phase permeation in nanopores, SEPARATION AND PURIFICATION TECHNOLOGY, 220, 259-267, 20190801
    Link to Paper Search Results by DOI
  115. Tailoring the molecular sieving properties and thermal stability of carbonized membranes containing polyhedral oligomeric silsesquioxane (POSS)-polyimide via the introduction of norbornene, JOURNAL OF MEMBRANE SCIENCE, 582, 59-69, 20190715
    Link to Paper Search Results by DOI
  116. Tailoring the microstructure and permeation properties of bridged organosilica membranes via control of the bond angles, JOURNAL OF MEMBRANE SCIENCE, 584, 56-65, 20190815
    Link to Paper Search Results by DOI
  117. Free glycerol removal from monoglyceride using TiO2-ZrO2 nanofiltration membranes, SEPARATION AND PURIFICATION TECHNOLOGY, 224, 366-372, 20191001
    Link to Paper Search Results by DOI
  118. Selective water vapor permeation from steam/non-condensable gas mixtures via organosilica membranes at moderate-to-high temperatures, JOURNAL OF MEMBRANE SCIENCE, 589, 20191101
    Link to Paper Search Results by DOI
  119. Infrared-spectroscopic porosimetry: Development and application for characterization of hundred-nanometer-thick porous thin films, THIN SOLID FILMS, 685, 299-305, 20190901
    Link to Paper Search Results by DOI
  120. Vapor-permeation dehydration of isopropanol using a flexible and thin organosilica membrane with high permeance, JOURNAL OF MEMBRANE SCIENCE, 588, 20191015
    Link to Paper Search Results by DOI
  121. TiO2-ZrO2 membranes of controlled pore sizes with different Ti/Zr ratios for nanofiltration, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 92(1), 12-24, 201910
    Link to Paper Search Results by DOI
  122. Evaluating the chemical stability of metal oxides in SO3 and applications of SiO2-based membranes to O-2/SO3 separation, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 102(11), 6946-6956, 201911
    Link to Paper Search Results by DOI
  123. Ceramic-Supported Polyhedral Oligomeric Silsesquioxane-Organosilica Nanocomposite Membrane for Efficient Gas Separation, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 58(47), 21708-21716, 20191127
    Link to Paper Search Results by DOI
  124. Phase inversion/sintering-induced porous ceramic microsheet membranes for high-quality separation of oily wastewater, JOURNAL OF MEMBRANE SCIENCE, 595, 20200201
    Link to Paper Search Results by DOI
  125. Effect of Sintering Temperature on Sol-Gel Synthesis of Porous Polymeric Membrane Supported Layered Hybrid Organosilica Membranes and Their Vapor Permeation Property, KAGAKU KOGAKU RONBUNSHU, 45(5), 177-183, 2019
    Link to Paper Search Results by DOI
  126. Energy-efficient separation of organic liquids using organosilica membranes via a reverse osmosis route, JOURNAL OF MEMBRANE SCIENCE, 597, 20200301
    Link to Paper Search Results by DOI
  127. Development of high-performance sub-nanoporous SiC-based membranes derived from polytitanocarbosilane, JOURNAL OF MEMBRANE SCIENCE, 598, 20200315
    Link to Paper Search Results by DOI
  128. Development of an acetylacetonate-modified silica-zirconia composite membrane applicable to gas separation, JOURNAL OF MEMBRANE SCIENCE, 599, 20200401
    Link to Paper Search Results by DOI
  129. Chemical-free cleaning of fouled reverse osmosis (RO) membranes derived from bis(triethoxysilyl)ethane (BTESE), JOURNAL OF MEMBRANE SCIENCE, 601, 20200301
    Link to Paper Search Results by DOI
  130. Pore size tuning of bis(triethoxysilyl)propane (BTESP)-derived membrane for gas separation: Effects of the acid molar ratio in the sol and of the calcination temperature, SEPARATION AND PURIFICATION TECHNOLOGY, 242, 20200701
    Link to Paper Search Results by DOI
  131. Pore subnano-environment engineering of organosilica membranes for highly selective propylene/propane separation, JOURNAL OF MEMBRANE SCIENCE, 603, 20200515
  132. Fine-tuned, molecular-composite, organosilica membranes for highly efficient propylene/propane separation via suitable pore size, AICHE JOURNAL, 66(4), 202004
    Link to Paper Search Results by DOI
  133. Tuning the microstructure of polycarbosilane-derived SiC(O) separation membranes via thermal-oxidative cross-linking, SEPARATION AND PURIFICATION TECHNOLOGY, 248, 20201001
    Link to Paper Search Results by DOI
  134. High-performance molecular-separation ceramic membranes derived from oxidative cross-linked polytitanocarbosilane, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 103(8), 4473-4488, 202008
    Link to Paper Search Results by DOI
  135. Evaluation of experimentally obtained permeance based on module simulation: How should permeance be evaluated?, AICHE JOURNAL, 66(7), 202007
    Link to Paper Search Results by DOI
  136. Pervaporation removal of methanol from methanol/organic azeotropes using organosilica membranes: Experimental and modeling, JOURNAL OF MEMBRANE SCIENCE, 610, 20200901
    Link to Paper Search Results by DOI
  137. Filtration of surfactant-stabilized oil-in-water emulsions with porous ceramic membranes: Effects of membrane pore size and surface charge on fouling behavior, JOURNAL OF MEMBRANE SCIENCE, 610, 20200901
    Link to Paper Search Results by DOI
  138. Experimental study and modeling of organic solvent reverse osmosis separations through organosilica membranes, AICHE JOURNAL, 66(9), 202009
    Link to Paper Search Results by DOI
  139. Amino-decorated organosilica membranes for highly permeable CO2 capture, JOURNAL OF MEMBRANE SCIENCE, 611, 20201001
    Link to Paper Search Results by DOI
  140. Al2O3 nanofiltration membranes fabricated from nanofiber sols: Preparation, characterization, and performance, JOURNAL OF MEMBRANE SCIENCE, 611, 20201001
    Link to Paper Search Results by DOI
  141. A carbon-silica-zirconia ceramic membrane with CO2 flow-switching behaviour promising versatile high-temperature H-2/CO2 separation, JOURNAL OF MATERIALS CHEMISTRY A, 8(44), 23563-23573, 20201128
    Link to Paper Search Results by DOI
  142. SiC mesoporous membranes for sulfuric acid decomposition at high temperatures in the iodine-sulfur process, RSC ADVANCES, 10(68), 41883-41890, 20201117
    Link to Paper Search Results by DOI
  143. Hydrocarbon permeation properties through microporous fluorine-doped organosilica membranes with controlled pore sizes, JOURNAL OF MEMBRANE SCIENCE, 619, 20210201
    Link to Paper Search Results by DOI
  144. Improved performance of organosilica membranes for steam recovery at moderate-to-high temperatures via the use of a hydrothermally stable intermediate layer, JOURNAL OF MEMBRANE SCIENCE, 620, 20210215
    Link to Paper Search Results by DOI
  145. Correlation Between Ammonia Selectivity and Temperature Dependent Functional Group Tuning of GO, IEEE TRANSACTIONS ON NANOTECHNOLOGY, 20, 129-136, 20201218
    Link to Paper Search Results by DOI
  146. ★, Ultrafast Synthesis of Silica-Based Molecular Sieve Membranes in Dielectric Barrier Discharge at Low Temperature and Atmospheric Pressure, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 143(1), 35-40, 20210113
    Link to Paper Search Results by DOI
  147. TiO2 Coatings Via Atmospheric-Pressure Plasma-Enhanced Chemical Vapor Deposition for Enhancing the UV-Resistant Properties of Transparent Plastics, ACS OMEGA, 6(2), 1370-1377, 20210119
    Link to Paper Search Results by DOI
  148. Design of a SiOC network structure with oxidation stability and application to hydrogen separation membranes at high temperatures, JOURNAL OF MEMBRANE SCIENCE, 625, 20210501
    Link to Paper Search Results by DOI
  149. Metal-induced microporous aminosilica creates a highly permeable gas-separation membrane, MATERIALS CHEMISTRY FRONTIERS, 5(7), 20210407
    Link to Paper Search Results by DOI
  150. Pervaporation via silicon-based membranes: Correlation and prediction of performance in pervaporation and gas permeation, AICHE JOURNAL, 67(7), 202107
    Link to Paper Search Results by DOI
  151. Facile development of microstructure-engineered, ligand-chelated SiO2-ZrO2 composite membranes for molecular separations, MOLECULAR SYSTEMS DESIGN & ENGINEERING, 6(6), 429-444, 20210601
    Link to Paper Search Results by DOI
  152. Microporous Nickel-Coordinated Aminosilica Membranes for Improved Pervaporation Performance of Methanol/Toluene Separation, ACS APPLIED MATERIALS & INTERFACES, 13(19), 23247-23259, 20210519
    Link to Paper Search Results by DOI
  153. Pore Structure Controllability and CO2 Permeation Properties of Silica-Derived Membranes with a Dual-Network Structure, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 60(23), 8527-8537, 20210616
    Link to Paper Search Results by DOI
  154. Effect of the Ti/Zr ratio on the hydrothermal and chemical stability of TiO2-ZrO2 nanofiltration membranes, SEPARATION AND PURIFICATION TECHNOLOGY, 274, 20211101
    Link to Paper Search Results by DOI
  155. Hydrothermal stability of fluorine-induced microporous silica membranes: Effect of steam treatment conditions, AICHE JOURNAL, 67(9), 202109
    Link to Paper Search Results by DOI
  156. Facile low-temperature route toward the development of polymer-supported silica-based membranes for gas separation via atmospheric-pressure plasma-enhanced chemical vapor deposition, JOURNAL OF MEMBRANE SCIENCE, 638, 20211115
    Link to Paper Search Results by DOI
  157. Steam recovery via nanoporous and subnanoporous organosilica membranes: The effects of pore structure and operating conditions, SEPARATION AND PURIFICATION TECHNOLOGY, 275, 20211115
    Link to Paper Search Results by DOI
  158. Controlled organosilica networks via metal doping for improved dehydration membranes with layered hybrid structures, SEPARATION AND PURIFICATION TECHNOLOGY, 278, 20220101
    Link to Paper Search Results by DOI
  159. Enhancement of the H-2-permselectivity of a silica-zirconia composite membrane enabled by ligand-ceramic to carbon-ceramic transformation, JOURNAL OF MEMBRANE SCIENCE, 642, 20220215
    Link to Paper Search Results by DOI
  160. Structural two-phase evolution of aminosilica-based silver-coordinated membranes for increased hydrogen separation, JOURNAL OF MEMBRANE SCIENCE, 642, 20220215
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  161. Atmospheric-pressure PECVD synthesis of polymer-supported molecular sieving silica membranes for gas separation: Effect of pore size of polymeric support, MATERIALS LETTERS, 308, 20220201
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  162. Enhanced production of butyl acetate via methanol-extracting transesterification membrane reactors using organosilica membrane: Experiment and modeling, CHEMICAL ENGINEERING JOURNAL, 429, 20220201
    Link to Paper Search Results by DOI

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, 2013, 2014
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  2. KAKENHI, 2015, 2017
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  3. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2018, 2020