HIROKI MATSUBARA

Last Updated :2021/04/23

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
E-mail
hmtbrhiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2000/04/01, 2003/03/31, Kyushu University, Graduate School of Science, JSPS Research Fellowship for Young Scientists (DC1)
  • 2003/04/01, 2003/09/30, Tokyo University of Science, Faculty of Pharmaceutical Science, JSPS Research Fellowship for Young Scientists (PD)
  • 2003/10/01, 2015/07/31, Kyushu University, Department of Chemistry, Faculty of Science, Assistant Professor
  • 2015/08/01, 2020/03/31, Kyushu University, Department of Chemistry, Faculty of Science, Associate Professor
  • 2020/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Associate Professor

Educational Backgrounds

  • Kyushu University, Faculty of Science, Department of Chemistry, 1994/04, 1998/03
  • Kyushu University, Graduate School of Science, Chemistry and Physics of Condensed Matter, Master Course, 1998/04, 2000/03
  • Kyushu University, Graduate School of Science, Chemistry and Physics of Condensed Matter, Doctor Course, 2000/04, 2003/03
  • Oxford University, Colin Bain Lab., UK, 2001/03, 2002/02

Academic Degrees

  • Kyushu University
  • Kyushu University

Research Fields

  • Chemistry;Basic chemistry;Physical chemistry
  • Mathematical and physical sciences;Physics;Biological physics / Chemical physics / Soft matter physics

Research Keywords

  • Surfactant, wetting, dewetting, emulsion, foam, chemical thermodynamics, surface characterization

Educational Activity

Course in Charge

  1. 2021, Undergraduate Education, 3Term, Introduction to Chemistry B
  2. 2021, Undergraduate Education, Second Semester, Exercises in Inorganic Chemistry
  3. 2021, Undergraduate Education, First Semester, Chemical Experiments I
  4. 2021, Undergraduate Education, Second Semester, Chemical Experiments II
  5. 2021, Graduate Education (Master's Program) , 2Term, Exercises in Chemistry A
  6. 2021, Graduate Education (Master's Program) , 4Term, Exercises in Chemistry B
  7. 2021, Graduate Education (Master's Program) , 1Term, Introduction to Inorganic Chemistry
  8. 2021, Graduate Education (Master's Program) , 3Term, Analytical Chemistry

Research Activities

Academic Papers

  1. ★, Surface Freezing of Cetyltrimethylammonium Chloride–Hexadecanol Mixed Adsorbed Film at Dodecane–Water Interface, Langmuir, 36, 14811-14818, 2020
  2. ★, Pickering emulsion transitions in 2,6-lutidine + water critical liquid mixtures, Langmuir, 36(42), 12601-12606, 2020
  3. Fabrication of Paper-Based Microfluidic Devices using a Laser Beam Scanning Technique, Analytical Science, 36, 1275-1279, 2020
  4. ★, Thinning and thickening transitions of foam film induced by 2D liquid–solid phase transitions in surfactant–alkane mixed adsorbed films, Advances in Colloid and Interface Science, 282, 102206, 2020
  5. ★, Common Black Film Stability and Synergetic Adsorption in Ionic−Nonionic Mixed Surfactant Systems, Colloids and Surfaces A, 582, 123932, 2019
  6. ★, Unique Interfacial Phenomena on Macroscopic and Colloidal Scales Induced by Two-Dimensional Phase Transitions, Langmuir, 35, 1989-2001, 2019
  7. Intentionally Added Ionic Surfactants Induce Jones-Ray Effect at Air-Water Interface, Colloids and Interface Science Communications, 27, 45-48, 2018
  8. Effect of the Headgroup Structure on Counterion Binding in Adsorbed Surfactant Films Investigated by Total Reflection X-ray Absorption Fine Structure Spectroscopy, Bull. Chem. Soc. Jpn., 91, 1487-1494, 2018
  9. ★, Effect of Surface Phase Transition on OW Emulsion Stability, Langmuir, 34, 6205-6209, 2018
  10. Surface dilational viscoelasticity of aqueous surfactant solutions by surface quasi-elastic light scattering, Colloid and Polymer Science, 296, 781-794, 2018
  11. ★, Finite-size and solvent dependent line tension effects for nanoparticles at the air-liquid surface, Langmuir, 34, 331-340, 2018
  12. Surface freezing and molecular miscibility of binary fluoroalkanol-alkanol liquid mixture, Colloids and Surfaces A, 525, 31-37, 2017
  13. ★, Line tension and its influence on droplets and particles at surfaces, Progress in Surface Science, 92, 1-39, 2017
  14. ★, Effect of Alkane Chain Length and Counterion on the Freezing Transition of Cationic Surfactant Adsorbed Film at Alkane Mixture-Water Interfaces, J. Phys. Chem. B, 119, 6235-6241, 2015
  15. ★, Liquid droplet coalescence and fragmentation at the aqueous-air surface, Langmuir, 31, 132-139, 2015
  16. Effect of Hydrophobic Chain Structure on Phase Transition and Domain Formation of Hybrid Alcohol Films Adsorbed at the Hexane/Water Interface, J. Phys. Chem. B, 482, 12436-12345, 2015
  17. Adsorbed Film of n-Tetradecylphosphocholine at the Tetradecane/Water Interface Studied by Interfacial Tensiometry and X-ray Reflection, Colloids and Surfaces A, 482, 454-463, 2015
  18. ★, Line tension of alkane lenses on aqueous surfactant solutions at phase transitions of coexisting interfaces, Advances in Colloid and Interface Science, 206, 186-194, 2014
  19. Effect of molecular orientation on monolayer and multilayer formations of fluorocarbon alcohol and fluorocarbondiol Mixture at the hexane/water Interface, J. Phys. Chem. B, 118, 12451-12461, 2014
  20. Probing the self-aggregation behavior and counter ion distribution of a copper surfactant complex, New Journal of Chemistry, 38, 3925-3932, 2014
  21. Miscibility of imidazolium and pyridinium ionic liquids including BF4 - at the air/water interface, Colloids and Surfaces A, 441, 59-65, 2014
  22. Surface Freezing and Molecular Miscibility of Binary Alkane-Alkane and Fluoroalkane-Alkane Liquid Mixtures, J. Phys. Chem. B, 118, 1519-1526, 2014
  23. Thermodynamic study on the interaction of imidazolium salts and POE-type nonionic surfactant in the adsorbed film, Colloid and Polymer Science, 292, 1209-1215, 2014
  24. ★, Morphological transformation of alkane solid domains on surfactant solutions, J. Phys. Chem. Lett., 4, 844-848, 2013
  25. ★, Effect and mixing of counter anions at the surface of aqueous solution of imidazolium-based ionic liquids, 427, 26-32, 2013
  26. Synergistic interaction of short-chain phospholipids in the adsorbed film and micelles: Study by surface tension and dilational viscoelasticity measurements, J. Phys. Chem. C, 117, 1097-1104, 2013
  27. Y. Takajo, M. Yamanaka, R.G. Rubio, T. Takiue, H. Matsubara, M. Aratono, Colloid and Polymer Science, 291, 2647-2652, 2013
  28. ★, Wetting in oil-surfactant-water systems, Current Opinion in Colloid and Interface Science, 17, 196-204, 2012
  29. ★, X-ray reflectivity measurements for freezing transitions of alkane wetting film on surfactant solution surface, Bull. Chem. Soc. Jpn., 86, 492-496, 2012
  30. ★, Study on the distribution of binary mixed counterions in surfactant adsorbed films by total reflection XAFS measurements, J. Colloid Interface Sci., 388, 219-224, 2012
  31. Multilayer Formation of the Fluoroalkanol−omega-Hydrogenated Fluorocarbon Mixture at the Hexane/Water Interface Studied by Interfacial Tensiometry and X-ray Reflection, J. Phys. Chem. B, 116, 13739-13748, 2012
  32. ★, Line Tension at Freezing Transition of Alkane Wetting Film on Aqueous Surfactant Solutions, Colloids and Surfaces A, 390, 33-39, 2012
  33. ★, Specific counterion effect on the adsorbed film of cationic surfactant mixtures at the air/water interface, J. Colloid Interface Sci., 359, 189-193, 2011
  34. Miscibility and multilayer formation of fluoroalkane-alpha-omega-diol mixtures at the air/water interface, J. Phys. Chem. B, 115, 471-477, 2011
  35. ★, Freezing transition of wetting film of tetradecane on tetradecyltrimethylammonium bromide solutions, Colloid and Polymer Science, 288, 1333-1339, 2010
  36. ★, Effect of temperature and counterion on adsorption of imidazolium ionic liquids at air-water interface, Colloids and Surfaces A, 370, 113-119, 2010
  37. ★, Study on surface adsorption from cationic surfactant-electrolyte mixed aqueous solution including BF4- ion, Colloid and Polymer Science, 288, 1005-1011, 2010
  38. Structural and morphological transition of long-chain phospholipid vesicles induced by mixing with short-chain phospholipid, Colloids and Surfaces B, 76, 571-576-2010
  39. Molecular orientation and miscibility of fluorinated alpha, omega-alkanediol and alcohol at the hexane/water interface, Colloids and Surfaces A, 354, 205-209, 2010
  40. Thermodynamic and structure studies of Gibbs films at soft interfaces, J. Thermal Analysis Calorimetry, 99, 51-55, 2010
  41. ★, First-Order Wetting Transition and Line Tension of Hexadecane Lens at Air/Water Interface Assisted by Surfactant Adsorption, Bull. Chem. Soc. Jpn., 83, 1198-1202, 2010
  42. ★, Surface adsorption and micelle formation of aqueous solutions of polyethyleneglycol and sugar surfactants, Colloid and Polymer Science, 287, 1077-1082, 2009
  43. ★, Surface Adsorption and Aggregate Formation of Cationic Gemini Surfactant and Long Chain Alcohol Mixtures, J. Phys. Chem. B, 113, 8847-8853, 2009
  44. Molecular orientation and multilayer formation in the adsorbed film of 1H,1H,10H,10H-perfluorodecane-1,10-diol at the hexane/water interface; Pressure effect on the adsorption of fluoroalkane-diol, J. Phys. Chem. B, 113, 14667-14673, 2009
  45. Miscibility and distribution of counterions of imidazolium ionic liquid mixtures at the air/water surface, Langmuir, 25, 9954-9959, 2009
  46. Phase transition and domain formation in the Gibbs adsorbed films of long-chain alcohols, J. Phys. Chem. B, 113, 6347-6352, 2009
  47. Molecular orientation and multilayer formation of 1H,1H,8H,8H- perfluorooctane-1,8-diol at the air/water interface, J. Phys. Chem. B, 113, 6305-6310, 2009
  48. Molecular orientation and multilayer formation in the adsorbed film of 1H,1H,10H,10H-perfluorodecane-1,10-diol at the hexane/water interface; Temperature effect on the adsorption of fluoroalkane-diol, J. Phys. Chem. C, 112, 5078-5084, 2008
  49. Effect of the Partial Hydrogenation of Hydrophobic Chains on the Mixing of Fluoroalkanols in an Adsorbed Films at the Hexane/Water Interface, J. Phys. Chem. C, 112, 4564-4568, 2008
  50. ★, Wetting and Freezing of Hexadecane on an Aqueous Surfactant Solution: Triple Point in a 2-D Film, J. Phys. Chem. B, 112, 11664-11668, 2008
  51. Adsorption of 1-decyl-3-methylimidazolium bromide and solvation structure of bromide at the air-water interface, Analytical Sciences, 24, 1279-1283, 2008
  52. ★, Study on line tension of air/hexadecane/aqueous surfactant system, Colloid and Polymer Science, 286, 647-654, 2008
  53. Spontaneous Vesicle Formation of Mixtures of Double-Chain Cationic Surfactants with a Different Counterion, J. Phys. Chem. B, 112, 12304-12311, 2008
  54. Preferential adsorption of cationic surfactant mixture studied by bromide ion selective total-reflection XAFS measurement, Langmuir, 24, 6693-6697, 2008
  55. ★, Surface adsorption and aggregate formation of aqueous binary mixture of cationic surfactant and sugar surfactant, Colloids and Surfaces A, 315, 183-188, 2008
  56. Interfacial tension and wetting behavior of air/oil/ionic liquid systems, Colloid and Polymer Science, 285, 1601-1605, 2007
  57. ★, Effect of molecular structure of oil on wetting transition on surfactant solutions, Colloids and Surfaces A, 301, 141-146, 2007
  58. Analysis of Dynamic Surface Tension of Tetraethyleneglycol Monooctyl Ether at Air/Water Interface, Colloid and Polymer Science, 285, 1699-1705, 2007
  59. Adsorption and micelle formation of alkylammonium chloride-alkyltrimethylammonium chloride mixtures, J. Colloid Interface Sci., 310, 240-245, 2007
  60. Spontaneous Vesicle Formation of Single Chain and Double Chain Cationic Surfactant Mixtures, J. Phys. Chem. B, 111, 107-115, 2007
  61. Counter Ion Effect on Phase Behavior in Adsorbed Film of Fluoroalkanol and Cationic Surfactant Mixture, Colloids and Surfaces A, 301, 36-41, 2007
  62. Interfacial tension studies of crown ethers at air/water and hexane/water interfaces, J. Colloid Interface Sci., 316, 25-30, 2007
  63. ★, Lattice Model for the Wetting Transition of Alkanes on Aqueous Surfactant Solutions, Langmuir, 22, 982-988, 2006
  64. Study on the Surface Density of Surface-Active Substances through Total-Reflection X-ray Absorption Fine Structure Measurement, Langmuir, 22, 8403-8408, 2006
  65. Surface Phase Transition of C12E1 at the Air/Water Interface: A Study by Dynamic Surface Tension, External RA FT-IR, and 2D IR Correlation Methods, J. Phys. Chem. B, 110, 17034-17042, 2006
  66. Adsorption and phase transition of alkanol and fluoroalkanol at electrified mercury/aqueous solution interface, J. Colloid Interface Sci., 295(209), 217-2006
  67. ★, Effect of Preferential Adsorption on the Synergism of a Homologous Cationic Surfactant Mixture, Langmuir, 22, 2511-2515, 2006
  68. ★, Line Tension and Wetting Behavior of an Air/Hexadecane/Aqueous Surfactant System, Langmuir, 21, 8594-8596, 2005
  69. ★, Wetting of Surfactant Solutions by Alkanes, Chem. Phys. Chem., 6, 547-555, 2005
  70. Effect of omega-hydrogenation on the adsorption of fluorononanols at the hexane/water interface: Miscibility in the adsorbed film of fluorononanols, J. Phys. Chem. B, 109, 22366-22370, 2005
  71. Effect of omega-Hydrogenation on the Adsorption of Fluorononanols at the Hexane/Water Interface: Pressure Effect on the Adsorption of Fluorononanols, J. Phys. Chem. B, 109, 16429-16434, 2005
  72. Effect of omega-Hydrogenation on the Adsorption of Fluorononanols at the Hexane/Water Interface: Temperature Effect on the Adsorption of Fluorononanols, J. Phys. Chem. B, 109, 14154-14159, 2005
  73. ★, Effects of alkyl chain length on synergetic adsorption and micelle formation in homologous cationic surfactant mixtures, Langmuir, 21, 8131-8137, 2005
  74. Novel Phase Behavior in Adsorbed Film of Fluoroalkanol and Cationic Surfactant Mixture, Colloids and Surfaces A, 250, 443-448, 2004
  75. Effect of molecular packing on adsorption and micelle formation of a homologous cationic surfactant mixture of hexadecyltrimethylammonium bromide and dodecyltrimethylammonium bromide, Colloid and Polymer Science, 283, 329-334, 2004
  76. Nonideal Mixing of Dodecyltrimethylammonium Halides and Nonionic Surfactant in Adsorbed Films and Micelles, Colloid and Polymer Science, 282, 324-329, 2004
  77. A Theory of Adsorption Kinetics with Time Delay and its Application to Overshoot and Oscillation in the Surface Tension of Gelatin Solution, Colloid and Polymer Science, 282, 1174-1178, 2004
  78. Surface Tension of Electrolyte Solutions, Colloid and Polymer Science, 282, 1044-1048, 2004
  79. Overshoot and Oscillation in Surface Tension of Gelatin Solutions, Colloids and Surfaces B, 39, 65-68, 2004
  80. ★, Interfacial Films and Wetting Behavior of Hexadecane on Aqueous Solutions of Dodecyltrimethylammonium Bromide, Langmuir, 19, 2249-2253, 2003
  81. Phase Transition and Miscibility of Binary Surfactant Mixtures in the Adsorbed Film at the Air/Water Surface, J. Colloid Interface Sci., 256, 411-417, 2002
  82. Interaction between polyoxyethylene nonyl phenyl ether (n = 9) and gold (III) ion in the adsorbed film and micelle, Colloid and Polymer Science, 280, 936-941, 2002
  83. ★, Interfacial Films and Wetting Behavior of the Air/Hexadecane/Aqueous Solution of a Surfactant System, Langmuir, 17, 7344-7349, 2001
  84. ★, Interaction between Ionic and Nonionic Surfactants in the Adsorbed Film and Micelle. 3. Sodium Dodecyl Sulfate and Tetraethylene Glycol Monooctyl Ether, Langmuir, 17, 7752-7577, 2001
  85. Miscibility of Binary Surfactant Mixtures in the Adsorbed Film and Micelle: the Effect of Size of Polar Head Group, Colloids and Surfaces A, 183-185, 403-413, 2001
  86. Thermodynamic Study on Phase Transition in Adsorbed Film of Fluoroalkanol at the Hexane/Water Interface. 8. Phase Transition and Miscibility in the Adsorbed Film of Fluoroalkanol Mixture, J. Phys. Chem. B, 105, 789-795, 2001
  87. ★, Interaction between Ionic and Nonionic Surfactants in the Adsorbed Film and Micelle. Dodecylammonium Chloride and Tetraethylene Glycol Monooctyl Ether, Langmuir, 16, 7589-7596, 2000
  88. Thermodynamic Study on Phase Transition in Adsorbed Film of Fluoroalkanol at the Hexane/Water Interface. 7. Pressure Effect on the Miscibility in the Adsorbed Film of Alkanol and Fluoroalkanol Mixture, J. Phys. Chem. B, 104, 7096-7101, 2000
  89. ★, Interaction between Ionic and Nonionic Surfactants in the Adsorbed Film and Micelle. Hydrochloric Acid, Sodium Chloride and Tetraethylene Glycol Monooctyl Ether, Langmuir, 15, 5496-5499, 1999
  90. ★, A competitive relationship between wetting of oil lens and condensed film formation of fluorinated alkanol at the air-water interface, Journal of Nanoscience and Nanotechnology, 13, 734-747, 2016
  91. ★, Thin-Thick Transition of Foam Film Driven by Phase Transition of Surfactant-Alkane Mixed Adsorbed Film, Chem. Lett., 41, 1300-1302, 2012
  92. Dynamics of condensed monolayer and multilayer formation of hexadecylpyridinium chloride-sodium dodecyl sulfate mixed systems at the air/water interface, Chem. Lett., 41, 1218-1220, 2012

Publications such as books

  1. 2016, Encyclopedia of Biocolloid and Biointerfacial Science, Impact of line tension on colloidal systems, John Wiley & Sons, Joint work
  2. 2010, Without Bounds: A Scientific Canvas of Nonlinearity and Complex Dynamics, Wetting transition and line tension of oil on water, Springer, Joint work
  3. 2007, Colloidal Stability, Surface Forces in Wetting Phenomena in Fluid Systems, Wiley-VCH, Joint work

Invited Lecture, Oral Presentation, Poster Presentation

  1. Finite-size line tension effects for nanoparticles at the air-liquid and liquid-liquid interfaces, International Conference on Colloid & Surface Science, 2019/11, With Invitation, English, Okinawa, Japan
  2. Unique Colloidal Systems from Simple Components -Utilization of 2D Phase Transition-, IRTG 1524 colloquium on Self-Assembled Soft-Matter Nanostructures at Interfaces, 2017/03, With Invitation, English, Berlin, Germany
  3. Regulation of Counterion Binding in the Foam Films Stabilized by Cationic-Nonionic Surfactant Mixed Adsorbed Films, International Conference of Colloids and Interface Science 2015, 2015/07, With Invitation, English, Taipei, Taiwan
  4. Effect of phase transition of surfactant adsorbed films on the stability of foam and emulsion systems, Energy Material Nanotechnology Meeting on Droplets, 2015/05, With Invitation, English, Phuket, Thailand
  5. Line tension of alkane lenses on aqueous surfactant solutions at phase transitions of coexisting interfaces, Annual Meeting of Taiwan Colloid and Interface Science Society, 2014/07, With Invitation, English, Tainan, Taiwan
  6. Condensed film formation of cationic surfactant at the air-water and oil-water interfaces and its application to foam and emulsion stability, Asian International Symposium @ CSJ Annual Meeting, 2013/03, With Invitation, English, Nagoya, Japan
  7. Line tension measurement at freezing transitions of wetting film on surfactant solutions, The 3rd International Kyushu Colloid Colloquium Soft Assemblies and Particles in Solution and Interfaces, 2010/09, With Invitation, English, Fukuoka, Japan
  8. Wetting Transition of Alkane Lens on Surfactant Solutions, International Conference on Nanoscopic Colloid and Surface Science, 2010/09, With Invitation, English, Tokyo, Japan

Awards

  1. 2020, Invited Review, Advances in Colloid and Interface Science, Thinning and thickening transitions of foam film induced by 2D liquid–solid phase transitions in surfactant–alkane mixed adsorbed films