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
- saitow
hiroshima-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
担当主専攻プログラム
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
- 2020年, 学部専門, 2ターム, 光機能化学
- 2020年, 学部専門, セメスター(前期), 卒業研究
- 2020年, 学部専門, セメスター(後期), 卒業研究
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 2020年, 修士課程・博士課程前期, 1ターム, 物理化学概論
- 2020年, 修士課程・博士課程前期, 3ターム, 光機能化学
- 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
- 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
- 2020年, 修士課程・博士課程前期, 年度, 基礎化学特別研究
- 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)
- 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
- Enhancement of fluorescence intensity by silicon particles and its size effect, CHEMICAL COMMUNICATIONS, 50巻, 9号, pp. 1137-1140, 2014
- 130-fold enhancement of TiO2 photocatalytic activities by ball milling, APPLIED PHYSICS LETTERS, 103巻, 3号, 2013
- 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
- One-pot facile synthesis of a concentrated Si nanoparticle solution, CHEMICAL COMMUNICATIONS, 49巻, 87号, pp. 10302-10304, 2013
- Si quantum dots with a high absorption coefficient: Analysis based on both intensive and extensive variables, APPLIED PHYSICS LETTERS, 103巻, 15号, 2013
- 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
- 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
- In situ multipurpose time-resolved spectrometer for monitoring nanoparticle generation in a high-pressure fluid, REVIEW OF SCIENTIFIC INSTRUMENTS, 83巻, 7号, 2012
- Significant substitution effects in dipolar and non-dipolar supercritical fluids, JOURNAL OF CHEMICAL PHYSICS, 134巻, 23号, 2011
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Silicon nanoclusters selectively generated by laser ablation in supercritical fluid, JOURNAL OF PHYSICAL CHEMISTRY B, 109巻, 9号, pp. 3731-3733, 2005
- 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
- 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
- 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
- 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
- Phototriggered self-assembly of hydrogen-bonded rosette, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 126巻, 37号, pp. 11500-11508, 2004
- 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
- Local density enhancement in neat supercritical fluid due to attractive intermolecular interactions, CHEMICAL PHYSICS LETTERS, 368巻, 1-2号, pp. 209-214, 2003
- Static inhomogeneity of supercritical ethylene studied by small-angle X-ray scattering, CHEMICAL PHYSICS, 286巻, 2-3号, pp. 421-430, 2003
- 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
- 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
- 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
- Study of inhomogeneity of supercritical water by small-angle x-ray scattering, JOURNAL OF CHEMICAL PHYSICS, 112巻, 9号, pp. 4203-4211, 2000
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- TRIPLET EXCITON ABSTRACTS HYDROGEN FROM DIPHENYLMETHANE DOPED IN BENZOPHENONE CRYSTAL, CHEMICAL PHYSICS LETTERS, 229巻, 3号, pp. 323-327, 1994
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Dynamics of density fluctuation of supercritical fluid mapped on phase diagram., Journal of the American Chemical Society, 126巻, 2号, 2004
- Phototriggered self-assembly of hydrogen-bonded rosette., Journal of the American Chemical Society, 126巻, 37号, 2004
- 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
- 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
- Silicon nanoclusters selectively generated by laser ablation in supercritical fluid., The journal of physical chemistry. B, 109巻, 9号, 2005
- 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
- Photodissociation of CH2I2 and subsequent electron transfer in solution., Chemistry, an Asian journal, 3巻, 4号, 2008
- 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
- 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
- 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
- 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
- Significant substitution effects in dipolar and non-dipolar supercritical fluids., The Journal of chemical physics, 134巻, 23号, 2011
- 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
- One-pot facile synthesis of a concentrated Si nanoparticle solution., Chemical communications (Cambridge, England), 49巻, 87号, 2013
- 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
- Enhancement of fluorescence intensity by silicon particles and its size effect., Chemical communications (Cambridge, England), 50巻, 9号, 2014
- 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
- Solvation of Esters and Ketones in Supercritical CO2., The journal of physical chemistry. B, 120巻, 4号, 2016
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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