齋藤 健一Ken-ichi Saitow

Last Updated :2021/01/05

所属・職名
自然科学研究支援開発センター　教授
メールアドレス
saitowhiroshima-u.ac.jp
自己紹介
物理化学，分子科学の視点より物質・材料の研究を行っています。

基本情報

学位

  • 博士（理学）　(総合研究大学院大学)
  • 修士（理学）　(学習院大学)

教育担当

  • 【学士課程】 理学部 : 化学科

担当主専攻プログラム

  • 化学プログラム

研究分野

  • 総合理工 / ナノ・マイクロ科学 / ナノ材料化学
  • 化学 / 複合化学 / 機能物性化学

研究キーワード

  • 量子ドット
  • 量子ドットLED
  • ナノ粒子
  • 塗布型太陽電池
  • 顕微分光
  • 電場増強効果
  • 光触媒
  • 高分子膜の配向
  • メカノケミカル反応
  • 2次元半導体

所属学会

  • 日本化学会
  • 応用物理学会
  • 分子科学会
  • アメリカ材料学会
  • ヨーロッパ材料学会
  • ナノ学会

教育活動

授業担当

  1. 2020年, 学部専門, ２ターム, 光機能化学
  2. 2020年, 学部専門, セメスター（前期）, 卒業研究
  3. 2020年, 学部専門, セメスター（後期）, 卒業研究
  4. 2020年, 修士課程・博士課程前期, セメスター（前期）, 化学特別研究
  5. 2020年, 修士課程・博士課程前期, セメスター（後期）, 化学特別研究
  6. 2020年, 修士課程・博士課程前期, セメスター（前期）, 光機能化学セミナー
  7. 2020年, 修士課程・博士課程前期, セメスター（後期）, 光機能化学セミナー
  8. 2020年, 博士課程・博士課程後期, セメスター（前期）, 化学特別研究
  9. 2020年, 博士課程・博士課程後期, セメスター（後期）, 化学特別研究
  10. 2020年, 博士課程・博士課程後期, セメスター（前期）, 光機能化学セミナー
  11. 2020年, 博士課程・博士課程後期, セメスター（後期）, 光機能化学セミナー
  12. 2020年, 修士課程・博士課程前期, １ターム, 物理化学概論
  13. 2020年, 修士課程・博士課程前期, ３ターム, 光機能化学
  14. 2020年, 修士課程・博士課程前期, ２ターム, 基礎化学特別演習Ａ
  15. 2020年, 修士課程・博士課程前期, ４ターム, 基礎化学特別演習Ｂ
  16. 2020年, 修士課程・博士課程前期, 年度, 基礎化学特別研究
  17. 2020年, 博士課程・博士課程後期, 年度, 基礎化学特別研究

研究活動

学術論文（★は代表的な論文）

  1. Enhancement of Out-of-plane Mobility in P3HT Film by Rubbing: Aggregation and Planarity Enhanced with Low Regioregularity, JOURNAL OF PHYSICAL CHEMISTRY C, 119巻, 15号, pp. 7987-7995, 2015
  2. Enhancement of fluorescence intensity by silicon particles and its size effect, CHEMICAL COMMUNICATIONS, 50巻, 9号, pp. 1137-1140, 2014
  3. 130-fold enhancement of TiO2 photocatalytic activities by ball milling, APPLIED PHYSICS LETTERS, 103巻, 3号, 2013
  4. Investigation of attractive and repulsive interactions associated with ketones in supercritical CO2, based on Raman spectroscopy and theoretical calculations, JOURNAL OF CHEMICAL PHYSICS, 139巻, 5号, 2013
  5. One-pot facile synthesis of a concentrated Si nanoparticle solution, CHEMICAL COMMUNICATIONS, 49巻, 87号, pp. 10302-10304, 2013
  6. Si quantum dots with a high absorption coefficient: Analysis based on both intensive and extensive variables, APPLIED PHYSICS LETTERS, 103巻, 15号, 2013
  7. White-Light-Emitting Silicon Nanocrystal Generated by Pulsed Laser Ablation in Supercritical Fluid: Investigation of Spectral Components As a Function of Excitation Wavelengths and Aging Time, JOURNAL OF PHYSICAL CHEMISTRY C, 116巻, 6号, pp. 3928-3934, 2012
  8. Fractal of Gold Nanoparticles Controlled by Ambient Dielectricity: Synthesis by Laser Ablation as a Function of Permittivity, JOURNAL OF PHYSICAL CHEMISTRY C, 116巻, 32号, pp. 17252-17258, 2012
  9. In situ multipurpose time-resolved spectrometer for monitoring nanoparticle generation in a high-pressure fluid, REVIEW OF SCIENTIFIC INSTRUMENTS, 83巻, 7号, 2012
  10. Significant substitution effects in dipolar and non-dipolar supercritical fluids, JOURNAL OF CHEMICAL PHYSICS, 134巻, 23号, 2011
  11. Solute-Solvent Intermolecular Interactions in Supercritical Xe, SF6, CO2, and CHF3 Investigated by Raman Spectroscopy: Greatest Attractive Energy Observed in Supercritical Xe, JOURNAL OF PHYSICAL CHEMISTRY B, 114巻, 26号, pp. 8659-8666, 2010
  12. Site-Selective Solvation in Supercritical CO2 Observed by Raman Spectroscopy: Phenyl Group Leads to Greater Attractive Energy than Chloro Group, JOURNAL OF PHYSICAL CHEMISTRY B, 114巻, 50号, pp. 16832-16837, 2010
  13. Spectrum of Excess Partial Molar Absorptivity. I. Near Infrared Spectroscopic Study of Aqueous Acetonitrile and Acetone, JOURNAL OF PHYSICAL CHEMISTRY B, 113巻, 35号, pp. 11928-11935, 2009
  14. Solvation Structures of cis- and trans-1,2-Dichloroethylene in Supercritical CO2 Investigated by Raman Spectroscopy and Attractive Energy Calculations, JOURNAL OF PHYSICAL CHEMISTRY B, 113巻, 40号, pp. 13291-13299, 2009
  15. Difference of solute-solvent interactions of cis- and trans-1,2-dichloroethylene in supercritical CO2 investigated by Raman spectroscopy, JOURNAL OF PHYSICAL CHEMISTRY B, 112巻, 27号, pp. 7980-7983, 2008
  16. Development of a polarized Raman spectrometer for supercritical fluids having high critical points, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 45巻, 4A号, pp. 2801-2806, 2006
  17. Time evolution of density fluctuation in supercritical region. I. Non-hydrogen-bonded fluids studied by dynamic light scattering, JOURNAL OF PHYSICAL CHEMISTRY A, 109巻, 1号, pp. 83-91, 2005
  18. Silicon nanoclusters selectively generated by laser ablation in supercritical fluid, JOURNAL OF PHYSICAL CHEMISTRY B, 109巻, 9号, pp. 3731-3733, 2005
  19. Attractive and repulsive interactions among methanol molecules in supercritical state investigated by Raman spectroscopy and perturbed hard-sphere theory, JOURNAL OF CHEMICAL PHYSICS, 122巻, 10号, 2005
  20. Time evolution of density fluctuation in the supercritical region. 2. Comparison of hydrogen- and non-hydrogen-bonded fluids, JOURNAL OF PHYSICAL CHEMISTRY A, 109巻, 33号, pp. 7365-7370, 2005
  21. Dynamics of density fluctuation of supercritical fluid mapped on phase diagram, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 126巻, 2号, pp. 422-423, 2004
  22. Attractive and repulsive intermolecular interactions of a polar molecule: Short-range structure of neat supercritical CHF3 investigated by Raman spectroscopy, JOURNAL OF PHYSICAL CHEMISTRY A, 108巻, 27号, pp. 5770-5784, 2004
  23. Phototriggered self-assembly of hydrogen-bonded rosette, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 126巻, 37号, pp. 11500-11508, 2004
  24. How are hydrogen bonds perturbed in aqueous NaClO4 solutions depending on the concentration?: A near infrared study of water, JOURNAL OF SOLUTION CHEMISTRY, 33巻, 6-7号, pp. 689-698, 2004
  25. Local density enhancement in neat supercritical fluid due to attractive intermolecular interactions, CHEMICAL PHYSICS LETTERS, 368巻, 1-2号, pp. 209-214, 2003
  26. Static inhomogeneity of supercritical ethylene studied by small-angle X-ray scattering, CHEMICAL PHYSICS, 286巻, 2-3号, pp. 421-430, 2003
  27. Correlation time of density fluctuation for supercritical ethylene studied by dynamic light scattering, JOURNAL OF CHEMICAL PHYSICS, 116巻, 12号, pp. 4985-4992, 2002
  28. Terahertz absorption spectra of supercritical CHF3 to investigate local structure through rotational and hindered rotational motions, CHEMICAL PHYSICS LETTERS, 341巻, 1-2号, pp. 86-92, 2001
  29. Nanosecond photo-fusion of microcrystals on a polymer film observed with time-resolved ultramicroscopy, JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 145巻, 3号, pp. 159-164, 2001
  30. Study of inhomogeneity of supercritical water by small-angle x-ray scattering, JOURNAL OF CHEMICAL PHYSICS, 112巻, 9号, pp. 4203-4211, 2000
  31. Raman spectral changes of neat CO2 across the ridge of density fluctuation in supercritical region, CHEMICAL PHYSICS LETTERS, 320巻, 3-4号, pp. 323-327, 2000
  32. Supercritical-fluid cell with device of variable optical path length giving fringe-free terahertz spectra, REVIEW OF SCIENTIFIC INSTRUMENTS, 71巻, 11号, pp. 4061-4064, 2000
  33. Effect of hydrogen bonding on laser-induced transfer of 1-pyrenebutyric acid in solid polymers, CHEMICAL PHYSICS LETTERS, 291巻, 3-4号, pp. 433-437, 1998
  34. Formation of benzene dimer cations in neat liquid benzene studied by femtosecond transient absorption spectroscopy, CHEMICAL PHYSICS LETTERS, 269巻, 3-4号, pp. 298-304, 1997
  35. Photochemical, hydrogen abstraction in benzophenone single crystal, MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 276巻, pp. A125-A133, 1996
  36. Ultrafast dynamics of photoexcited trans-1,3,5-hexatriene in solution by femtosecond transient absorption spectroscopy, CHEMICAL PHYSICS LETTERS, 256巻, 6号, pp. 629-634, 1996
  37. Photo-induced reactions of CH2I2 in solution studied by the ultrafast transient absorption spectroscopy, CHEMICAL PHYSICS LETTERS, 262巻, 5号, pp. 621-626, 1996
  38. TRIPLET EXCITON ABSTRACTS HYDROGEN FROM DIPHENYLMETHANE DOPED IN BENZOPHENONE CRYSTAL, CHEMICAL PHYSICS LETTERS, 229巻, 3号, pp. 323-327, 1994
  39. 超短パルス発生 - フェムト秒からアト秒への突入, 化学と工業 = Chemistry and chemical industry, 53巻, 10号, 20001001
  40. Development of a Polarized Raman Spectrometer for Supercritical Fluids Having High Critical Points, Jpn J Appl Phys, 45巻, 4号, pp. 2801-2806, 20060415
  41. 並進・回転・振動運動から眺めた超臨界流体の局所構造, 高圧力の科学と技術 = The Review of high pressure science and technology, 16巻, 2号, pp. 120-130, 20060520
  42. 6.超臨界流体中でのパルスレーザーアブレーションによる光機能性ナノ構造体の創製(<小特集>超臨界流体中プラズマの基礎と応用), プラズマ・核融合学会誌, 86巻, 6号, pp. 328-332, 20100625
  43. R&D 光の三原色で発光するシリコンナノ結晶, 機能材料, 29巻, 11号, pp. 73-81, 200911
  44. 超臨界流体中でのパルスレーザアブレーションによる機能性ナノ構造体の創製 (超臨界最新技術特集(第10号)), Jasco report, 52巻, 0号, pp. 10-16, 201003
  45. 光機能性ナノ粒子の創製--極限反応場でのレーザ生成法 (特集 未来社会を支える技術戦略), 化学工業, 61巻, 8号, pp. 615-621, 201008
  46. ゆらぎから見た超臨界流体 (超臨界最新技術特集第5号), Jasco report, 43巻, 0号, pp. 65-70, 200110
  47. Dynamics of density fluctuation of supercritical fluid mapped on phase diagram., Journal of the American Chemical Society, 126巻, 2号, 2004
  48. Phototriggered self-assembly of hydrogen-bonded rosette., Journal of the American Chemical Society, 126巻, 37号, 2004
  49. Time evolution of density fluctuation in the supercritical region. 2. Comparison of hydrogen- and non-hydrogen-bonded fluids., The journal of physical chemistry. A, 109巻, 33号, 2005
  50. Time evolution of density fluctuation in supercritical region. I. Non-hydrogen-bonded fluids studied by dynamic light scattering., The journal of physical chemistry. A, 109巻, 1号, 2005
  51. Silicon nanoclusters selectively generated by laser ablation in supercritical fluid., The journal of physical chemistry. B, 109巻, 9号, 2005
  52. Attractive and repulsive interactions among methanol molecules in supercritical state investigated by Raman spectroscopy and perturbed hard-sphere theory., The Journal of chemical physics, 122巻, 10号, 2005
  53. Photodissociation of CH2I2 and subsequent electron transfer in solution., Chemistry, an Asian journal, 3巻, 4号, 2008
  54. Spectrum of excess partial molar absorptivity. I. Near infrared spectroscopic study of aqueous acetonitrile and acetone., The journal of physical chemistry. B, 113巻, 35号, 2009
  55. Solvation structures of cis- and trans-1,2-dichloroethylene in supercritical CO2 investigated by Raman spectroscopy and attractive energy calculations., The journal of physical chemistry. B, 113巻, 40号, 2009
  56. Site-selective solvation in supercritical CO2 observed by Raman spectroscopy: phenyl group leads to greater attractive energy than chloro group., The journal of physical chemistry. B, 114巻, 50号, 2010
  57. Solute-solvent intermolecular interactions in supercritical Xe, SF6, CO2, and CHF3 investigated by Raman spectroscopy: greatest attractive energy observed in supercritical Xe., The journal of physical chemistry. B, 114巻, 26号, 2010
  58. Significant substitution effects in dipolar and non-dipolar supercritical fluids., The Journal of chemical physics, 134巻, 23号, 2011
  59. In situ multipurpose time-resolved spectrometer for monitoring nanoparticle generation in a high-pressure fluid., The Review of scientific instruments, 83巻, 7号, 2012
  60. One-pot facile synthesis of a concentrated Si nanoparticle solution., Chemical communications (Cambridge, England), 49巻, 87号, 2013
  61. Investigation of attractive and repulsive interactions associated with ketones in supercritical CO2, based on Raman spectroscopy and theoretical calculations., The Journal of chemical physics, 139巻, 5号, 2013
  62. Enhancement of fluorescence intensity by silicon particles and its size effect., Chemical communications (Cambridge, England), 50巻, 9号, 2014
  63. Si-nanocrystal/P3HT hybrid films with a 50- and 12-fold enhancement of hole mobility and density: films prepared by successive drop casting., Nanoscale, 7巻, 38号, 2015
  64. Solvation of Esters and Ketones in Supercritical CO2., The journal of physical chemistry. B, 120巻, 4号, 2016
  65. 超臨界流体の局所構造とナノ物質生成, 高圧力の科学と技術, 25巻, 3号, pp. 215-224, 2015
  66. function フルカラーで発光するシリコンナノ結晶, 工業材料, 57巻, 10号, pp. 60-63, 200910
  67. 超臨界状態を利用したレーザによるナノ粒子合成と光電変換デバイスへの応用 (特集 金属・半導体の機能性ナノ材料創成のための液中レーザプロセシング), レーザ加工学会誌 = Journal of Japan Laser Processing Society, 24巻, 1号, pp. 24-28, 201702

招待講演、口頭・ポスター発表等

  1. Short-range Inhomogeneity of Neat Supercritical CHF3 Studied by Terahertz Absorption and Spontaneous Raman Spectroscopies, 齋藤 健一, 1st Meeting on the Fundamental Aspects of Supercritical Fluids, 2001年, 招待, 日本語
  2. Application of High Average-power THz Radiation to Measure Far Infrared Ibsortion Spectrum of Supercritical Fluid, 齋藤 健一, The 4th Pacific Conference on Lasers and Electro-Optics, 2001年, 招待, 日本語
  3. 溶液中で進行するCH2I2の特異な光誘起反応ーフェムト秒分光におよるアプローチー, 齋藤 健一, ヨウ素利用シンポジウム, 1999年, 招待, 日本語
  4. 並進・回転・振動運動から眺めた超臨界流体の不均一構造＆#8212;分子間引力・斥力相互作用の密度依存性＆#8212;, 齋藤 健一, 分子構造総合討論会, 2003年, 招待, 日本語
  5. 単一成分系超臨界流体の巨視的・微視的不均一構造, 齋藤 健一, 分子科学から見た21世紀の溶液化学, 2001年, 招待, 日本語
  6. Solute Clusterization Induces Specific Reaction in Solution: An Ultrafast Spectroscopic Evidence, 齋藤 健一, The 7th Japan-Korea Joint Symposium, 1996年, 招待, 日本語
  7. Advanced Nanomaterials Fabricated by Laser Ablation in Supercritical Fluid, 齋藤 健一, ＪＡＰＡＮ　ＮＡＮＯ　2007, 2007年02月, 招待, 日本語