• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

1999 Fiscal Year Final Research Report Summary

Fundamentals of TiOィイD22ィエD2 photocatalysis for environmental purification

Research Project

Project/Area Number 09555268
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 工業物理化学
Research InstitutionThe University of Tokyo

Principal Investigator

FUJISHIMA Akira  Graduate School of Eng., The Univ. of Tokyo, Professor, 大学院・工学系研究科, 教授 (30078307)

Co-Investigator(Kenkyū-buntansha) HASHIMOTO KAZUHITO  Research Center for Advanced Sci. and Technol., The Univ. of Tokyo, Professor, 先端科学技術研究センター, 教授 (00172859)
Project Period (FY) 1997 – 1999
Keywordsenvironmental purification / TiOィイD22ィエD2 / photocatalyst / pollutants / reaction mechanism
Research Abstract

The photocatalytic degradation of pollutants in solution as well as in gas phase is attracting attention in terms of applications to environmental problem. Various applications of photocatalytic reactions in environmental purification have been demonstrated. Among the photocatalysts used, TiOィイD22ィエD2 is probed to be efficient material due to its strong oxidizing power and its compatibility for indoor and outdoor applications. We have focused our attention on development of transparent thin TiOィイD22ィエD2 films on various building materials, and to make use of weak UV light to enable the practical applications.
We have been working for the development of photoactive TiOィイD22ィエD2 thin films, paints, paper and so on for self-cleaning and deodorant applications Then, highly transparent TiOィイD22ィエD2 thin films were developed to widen its applications in the manufacturing of cover glass used for lamps in high-way tunnels which are continuously exposed to oily, hydrocarbon containing vapors. We … More have also found that various bacteria as E coli are being killed oh the surface of TiOィイD22ィエD2 coated tiles under irradiation of weak UV light. We continue some field tests in order to confirm the long-term stability of the photo-functional intelligent TiOィイD22ィエD2 materials.
In order to study the mechanistic and kinetic aspects ot TiOィイD22ィエD2 photocatalysis, we have recently developed a method in which the reaction products can be monitored separately at oxidation and reduction sites using a novel scanning microelectrode system located adjacent to each type of surface. In the latest Work, we have used a partically Pd-covered TiOィイD22ィエD2 as a model for metal-deposited photocatalyst to observe the concentration changes of dissolved oxygen, in the absence and presence of at oxidation and reduction sites.
Active oxygen specie formed on TiOィイD22ィエD2 film photocatalysts in air were examined by use of a chemiluminescence method. We were able. to evaluate the time dependent behavior of active oxygen species and to distinguish a short-lived reactive species and a long-1ived species, the latter probably being OィイD22ィエD2. Less

  • Research Products

    (37 results)

All Other

All Publications (37 results)

  • [Publications] R. D. Sun: "Effect of ZnO Film Thicknesses on the Adhesive Strength of Electroless Cu Deposits"Chem. Lett.. 1999. 11-12 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T. N. Rao: "Band-Edge Movements of Semiconducting Diamond in Aqueous Electrolyte Induced by Anoddic Surface Treatment"J. Electrochem. Soc. 146(2). 680-684 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E. Popa: "Selective Electrochemical Delection of Dopamin in the Presence of Ascorbic, Acid at Anodized Thin Film Electrodes"Electochem. Solid-State Lett. 2(1). 49-51 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T. Yano: "Electrochemical Behavior of Highly Conductive Boron-Doped Diamond Electrodes for Oxygen Reduction in Acid Solution"J. Electrochem. Soc.. 146(3). 1081-1087 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y. Einaga: "Photofunctional Vesicle Containing Prussian Blue and Azobenzene"J. Amer. Chem. Soc.. 121(15). 3745-3750 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A. Fujishima: "Interfacial Photochemistry: Fundamentals and Applications"Pure & Appl. Chem.. 70(11). 2177-2187 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] B. V. Sarada: "Electrochemical Characterization of Highly Boron-Doped Diamond Mictroelectrodes in Aqueous Electrolyte"J. Electrochem. Soc. 146(4). 1469-1471 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T. N. Rao: "Electrochemical Oxidation of NADH at Highly Boron-Doped Diamond Electrodes"Anal. Chem.. 71(13). 2506-2511 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A. Manivannan: "Abrasive Stripping Voltammetry at Polycrystalline Diamond Electrodes"Chem. Lett.. 1999. 851-852 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] I. Yagi: "Electrochemical Selectivity for Redox Systems at Oxygen-Terminated Diamond Electrodes"J. Electroanal. Chem.. 473. 173-178 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A. Fujishima: "Electroanalysis of Dopamine and NADH at Conductive Diamond Electrodes"J. Electroanal. Chem.. 473. 179-185 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T. Tatsuma: "Remote Bleaching of Methylens Blue by UV- Irradiate T1O2 in the Gas Phase"J. Phys. Chem, B. 103(38). 8038-8035 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] B. V. Sarada: "Electrochemical Detection of Serotonin Using Conductive Diamond Electrodes"Chem. Lett.. 1999. 1213-1214 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] I. Yagi: "Contral of the Dyanamics of Photogenerated Cariers at the Boron-Doped Diamond/Electrolyte Interface by Variation of the Surface Termination"Electochem. Solid-State Lett. 2(9). 457-460 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H. Notsu: "Introduction of Oxygen-Containing Functional Groups onto Diamond Electrode Surfaces by Oxygen Plasma and Anodic Polarization"Electrochem. Solid-State Lett. 2(10). 522-524 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M. Yanagisawa: "Surface Morphology and Electrochemical Properties Of Highly Boron-Doped Homoepitaxial Diamond Films"Diamond and Related Mater.. 8. 2059-2063 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S. I. Matsushita: "Light Propagation in Composite Two-Dimensional Arrays of Polystyrene Spherical Particles"Langmuir. 16(2). 636-642 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y. Ohko: "Photocatalytic Reaction Kinetics on T1o2 Thin Films under Light-Limited and Mass Transport-Limited Conditions"Zeitschrift fui Physikalische Chemie Bd.. 213. S. 33-42 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A. Fujishima: "T1O2 Photocatalysis --Fundamentals and Applications--"Bkc Inc.. 176 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R. D. Sun: "Effect of ZnO Film Thicknesses on the Adhesive Strength of Electroless Cu Deposites"Chem Lett.. 11-12 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. N. Rao: "Band-Edge Movements of Semi-conducting diamond in Aqueous Electrolyte Induced by Anodic Surface Treatment"J. Electrochem. Soc.. 146(2). 680-684 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E. Popa: "Selective Electrochemical Detection of Dopamine in the Presence of Ascorbic Acid at Anodized Diamond Thin Film Electrodes"Electrochem. Solid-State Lett.. 2(1). 49-51 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. Yano: "Electrochemical Behavior of Highly Conductive Boron-Doped Diamond Electrodes for Oxygen Reduction in Acid Solution"J. Electrochem. Soc.. 146(3). 1081-1087 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y. Einaga: "Photofunctional Vesicle Containing Prussian Blue and Azobenzene"J. Amer. Chem. Soc.. 121(15). 3745-3750 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A. Fujishima: "Interfacial Photochemistry: Fundamentals and A Applications"Pure & Appl. Chem.. 70(11). 2177-2187 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] B. V. Sarada: "Electrochemical Characterization of Highly Boron-Doped Diamond Mictroelectrodes in Aqueous Electrolyte"J. Electrochem. Soc.. 146(4). 1469-1471 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. N. Rao: "Electrochemical Oxidation of NADH at Highly Boron-Doped Diamond Electrodes"Anal. Chem.. 71(13). 2506-2511 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A. Mnivannan: "Abrasive Stripping Voltammetry at Polycrystalline Diamond Electrodes"Chem. Lett.. 851-852 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] I. Yagi: "Electrochemical Selectivity for Redox Systems at Oxygen-Terminated Diamond Electrodes"J. Electroanal. Chem.. 473. 173-178 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A. Fujishima: "Electroanalysis of Dopamine and NADH at Conductive Diamond Electrodes"J. Electroanal. Chem.. 473. 179-185 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T. Tatsuma: "Remote Bleaching of Methylene Blue by UV-Irradiate TiOィイD22ィエD2in the Gas Phase"J. Phys. Chem. B. 103(38). 8033-8035 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] B. V. Sarada: "Electrochemical Detection of Serotonin Using Conductive Diamond Electrodes"Chem. Lett.. 1213-1214 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] I. Yagi: "Control of the Dynamics of Photogenerated Cariers at the Boron-Doped Diamond /Electrolyte Interface by Variation of the Surface Termination"Electrochem. Solid-State Lett.. 2(9). 457-460 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H. Notsu: "Introduction of Oxygen-Containing Functional Groups onto Diamond Electrode Surfaces by Oxygen Plasma and Anodic Polarization"Electrochem. Solid-Staid Lett.. 2(10). 522-524 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M. Yanagisawa: "Surface Morphology and Electrochemical Properties of Highly Boron-Doped Homoepitaxial Diamond Films"Diamond and Related Mater.. 8. 2059-2063 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y. Ohko: "Photocatalytic Reaction Kinetics on TiOィイD22ィエD2 Thin Films under Light-Limited and Mass Transport-Limited Conditions"Zeitschrift fur Physikalische Chemie Bd.. 213. S.33-S.42 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S. I. Matsushita: "Light Propagation in Composite Two-Dimensional Arrays of Polystyrene Spherical Particles"Langmuir. 16(2). 636-642 (1999)

    • Description
      「研究成果報告書概要(欧文)」より

URL: 

Published: 2001-10-23  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi