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Study on in-situ lmmobilization of Size-Controlled Nanoparticles onto Solid Supports

Research Project

Project/Area Number 08455360
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 化学工学一般
Research InstitutionKYUSHU UNIVERSITY

Principal Investigator

WAKABAYASHI Katsuhiko  Kyushu Univ., Faculty of Engineering, Professor, 工学部, 教授 (20220832)

Co-Investigator(Kenkyū-buntansha) KISHIDA Masahiro  Kyushu Univ., Faculty of Engineering, Research Associate, 工学部, 助手 (60243903)
NAGATA Hideo  Kyushu Univ., Faculty of Engineering, Research Associate, 工学部, 助手 (70221463)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥7,600,000 (Direct Cost: ¥7,600,000)
Fiscal Year 1997: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1996: ¥6,900,000 (Direct Cost: ¥6,900,000)
KeywordsMicroemulsion / Nanoparticles / Novel Immobilization Method / Supported Metal Catalysts / Matal Alkoxide / 金属超微粒子
Research Abstract

In this study, we have studied a novel method for immobilization of nanoparticles synthesized in water-in-oil microemulsion onto solid supports. The support were prepared from metal alkoxide in microemulsion, and simultaneously the nanoparticles were in-situ immobilized on the support.
First, Rh particle size of Rh/SiO_2 could be controlled in the range between 1.8 and 9.0 nm by changing the types of surfactant and organic solvent used in our method.
Next, it was found that some of the Rh particles were partly or wholely embedded in silica supports and that the Rh particle surface were not used in catalytic reaction. Then, we investigated the dependence of the ratio of exposed metal surface to total metal surface (=R ratio) upon several conditions for nanoparticle immobilization. As a result, the R ratio of Rh particles could be increased to be about 80% by shortening the hydrolysis time of alkoxide and decreasing a water content at the hydrolysis. The R ratio of Pd particles in Pd/ZrO_2 also could be increased by a similar manner. Furthermore, in order to increase the R ratio, it was prefarable to immobilize metal complex nanoparticles rather than metal nanoparticles.
The metal catalyst immobilized on supports by our method exhibited much higher activity than conventional impregnation catalysts in the hydrogenation of carbon monoxide. In addition, the effect of the R ratio on the reaction rate per an active site were elucidated using the catalysts prepared by our method.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (15 results)

All Other

All Publications (15 results)

  • [Publications] Masahiro Kishida: "Hydrogenation of Carbon Dioxide over Met al Catalysts Prepared Using Microemulsion" Catalysis Today. 29. 355-359 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 岸田 昌浩: "マイクロエマルションを利用した担持金属触媒の調製法-1nmサイズのRh粒子径制御とCo水素化反応特性-" 触媒. 39. 285-288 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Won Young Kim: "Hydrogenation of Carbon Monoxide over Zirconia-Supported Palladium Catalysts prepared Using w/o Microemulsion" Applied Catalysis A.General. 155. 283-289 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Masahiro Kishida: "Size Control of Rhodium Particles of Silica-Supported Catalysts Using Water-in-Oil Microemulsion" Applied Surface Science. 121. 347-350 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Won Young Kim: "Methanol Synthesis from Syngas over Supported Palladium Catalysts Prepared Using w/o Microemulsion" Applied Catalysis A.General. (in print). (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Masahiro Kishida: "Hydrogenation of Carbon Dioxide over Metal Catalysts Prepared Using Microemulsion" Catalysis Today. 29. 355-359 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Masahiro Kishida: "Novel Preparation Method of Supported Metal Catalysts Using w/o Microemulsion-Rh Size Control and CO Hydrogenation Behavior-" Catalysts&Catalysis. 39. 285-288 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Won Young Kim: "Hydrogenation of Carbon Monoxide over Zirconia-Supported Palladium Catalysts Prepared Using w/o Microemulsion" Applied Catalysis A.General. 155. 286-289 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Masahiro Kishida: "Size Control of Rhodium Particles of Silica-Supported Catalysts Using Water-in-Oil Microemulsion" Applied Surface Science. 121. 347-350 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Won Young Kim: "Methanol Synthesis from Syngas over Supported Palladium Catalysts Prepared Using w/o Microemulsion" Applied Catalysis A.General. (in print.). (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 岸田昌浩: "マイクロエマルションを利用した担持金属触媒の調製法-1nmサイズのRh粒子径制御とCO水素化反応特性-" 触媒. 39・3. 285-288 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Won Young Kim: "Hydrogenation of Carbon Monoxide over Zirconia-Supported Palladium Catalysts Prepared Using w/o Microemulsion" Applied Catalysis A.General. 155. 283-289 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Masahiro Kishida: "Size Control of Rhodium Particles of Silica-Supported Catalysts Using Water-in-Oil Microemulsion" Applied Surface Science. 121・1. 347-350 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Won Young Kim: "Methanol Synthesis from Syngas over Supported Palladium Catalysts Prepared Using w/o Microemulsion" Applied Catalysis A.General. (in print). (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Masahiro Kishida: "Hydrogenation of Carbon Dioxide over Metal Catalysts Prepared Using Microemulsion" Catalysis Today. 29. 355-359 (1996)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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