小西 利史
化学科目 (工学部)
准教授
■専門分野
光科学、超分子化学、ナノカーボン科学
■研究の内容
■研究室分野キーワード
フラーレン、カーボンナノチューブ、グラフェン等のナノ炭素や、金属のナノ粒子を組み合わせて、電気・熱を通すゴムや樹脂光を電気に変換する分子、光によって活性酸素を生じる分子等を開発しています。
私たちは、これらが超分子と呼ばれる分子の塊を作ることで実現できると考え研究を進めています。
放熱・導電材料として衛星に使われたり、太陽電池に使われたり、癌を光によって治療する薬剤に使われます。
材料・化学
■教員研究テーマ
超分子化学の手法を用いた光反応制御。研究目的は、光電変換素子(有機太陽電池)や光線力学療法(がん治療法)の開発。
■研究室テーマ
太陽電池や光線力学療法剤の開発を目的とした、カーボンナノチューブやフラーレンをつかった光機能性材料の研究。
■主な論文
  • Supramolecular design of photocurrent-generating devices using fullerenes aimed at modelling artificial photosynthesis(2005/05 Tetrahedron)
  • Self-Aggregative Zinc Tetraphenyl Porphyrin-Pendant Polymer using Cyclodextrin-Inclusion in Aqueous Solution(2003/09 J. Phys. Chem. B)
  • An Extremely Effective DNA Photocleavage Utilizing Functionalized Liposomes with a Fullerene-Enriched Lipid Bilayer(2007/03 J. Am. Chem. Soc.)
  • Photoinduced Electron Transfer between C60-Pendant Calixarene and Captured Electron Donor: Improvement of Electron-Transfer Efficiency by Applying Host-Guest Chemistry(2002/09 J. Phys. Chem. A)
  • C60 as Photosensitizing Electron Transfer Mediator for Ion-Pair Charge-Transfer Complexes between Borate Anions and Methylviologen Dication(1999/11 J. Phys. Chem. A)
  • Persistent C60 anion-radical formation via photoinduced electron transfer from tetraphenylborate and triphenylbutylborate(1999/03 J. Chem. Soc., Perkin Trans. 2)
  • Photocurrent-Boosting by Intra-Membrane Electron-Mediation between Titania Nanoperticles Dispersed into Nafion-Porphyrin Composites(2005/04 Chem. Mater.)
  • DNA Cleavage via Superoxide Anion Formed in Photoinduced Electron Transfer from NADH to -Cyclodextrin-Bicapped C60 in an Oxygen-Saturated Aqueous Solution(2002/02 J. Phys. Chem. B)
  • Solubilization of Single-Walled Carbon Nanotubes using Macrocyclic Compounds in an Aqueous Solution by High-speed Vibration Milling Technique(2004/04 Chem. Commun.)
  • Visible Light Polymerization of Acrylate using Dialkylphenacylsulfonium Butyltriphenylborate Initiators: Effect of the Reduction Potential of the Sulfonium Cation on the Polymerization(1999/04 Macromolecules)
  • Evaluation of Rate Constant for Electron Transfer from C60-Anion Radical to Molecular Oxygen by Laser Flash Photolysis Method(2000/03 Chem. Lett.)
  • Supramolecular photocurrent-generating systems using porphyrin composite materials(2007/07 J. Porphyrins Phthalocyanines)
  • Energy Transfer from Photoexcited State of Water Soluble Hexa(sulfobutyl)fullerene (C60((CH2)4SO3Na)6)(2003/03 Fuller. Nanotub. Carbon Nanostruct.)
  • The C60-Photosensitized Reduction of Methylviologen Through the Intermediary of O2(2001/01 Bull. Chem. Soc. Jpn.)
  • Preparation of Highly Photosensitizing Liposomes with Fullerene-Doped Lipid Bilayer Using Dispersion-Controllable Molecular Exchange Reactions(2008/06 Org. Lett.)
  • Control of Self-Aggregation of Fullerenes by Connecting with Calix[4]arene: Solvent- and Guest-Effects to Particle Size(2005/12 Org. Biomol. Chem.)
  • A photocurrent-generator utilizing a polyelectrolyte as matrix of dyes(2004/02 J. Mater. Chem.)
  • Improvement of a photocurrent generator using 2,3,6-tri-O-methyl- -cyclodextrin-porphyrin polymer host-guest complex(2003/04 Tetrahedron)
  • Direct Detection of Superoxide Anion Generated in C60-Photosensitized Oxidation of NADH and an Analogue by Molecular Oxygen(2002/07 J. Chem. Soc., Perkin Trans. 2)
  • Photosensitized Reduction of Methyl Viologen Using Eosin-Y in Presence of a Sacrificial Electron Donor in Water-Alcohol Mixture(2001/06 Photochem. Photobiol.)
  • Photoinduced Electron-Transfer Reaction between C60 and Cyclic Silicon Compounds(2000/04 J. Organometallic Chemistry)
  • Electron transfer and energy transfer of photoexcited C60 in presence of retinols(1999/04 Physical Chemistry Chemical Physics)