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Improving catalytic performance of anisotropic nanocrystals by controlling hybrid structure

Research Project

Project/Area Number 18K14095
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 28030:Nanomaterials-related
Research InstitutionTokyo University of Science

Principal Investigator

IMURA Yoshiro  東京理科大学, 工学部工業化学科, 講師 (70756288)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsナノ結晶 / 形態制御 / 貴金属 / 触媒 / ナノ材料
Outline of Final Research Achievements

The catalytic performance of Au nanocrystals is changed by shape and support. We prepared Au and Au-Ag nanoflowers supported on alumina, iron oxide, and cerium oxide and used them for alcohol oxidation from 1-phenylethyl alcohol to acetophenone. The formation rate of acetophenone over supported nanoflowers was higher than that over supported spherical nanoparticles. In the case of using same support, Au-Ag nanocrystals showed high catalytic activity compared to Au nanocrystals. In addition, Au-Ag nanoflowers supported on cerium oxide were the highest catalytic activity.

Academic Significance and Societal Importance of the Research Achievements

異方形態ナノ結晶は、球状形態とは異なる触媒特性を示すため、新規ナノ材料として期待されている。近年、異方形態化や二元金属化がもたらす触媒特性への影響については解明されつつあるが、担体の最適化まで踏み込んだ研究については検討されていないのが現状である。そこで本申請研究では、高い触媒活性能を持つ異方形態ナノ触媒を得ることを目的とし、「異方形態化」「二元金属化」「担体の最適化」がもたらす触媒特性への影響について明らかにした。本研究で得られた成果は、異方形態ナノ結晶の触媒材料としての実用化において非常に有益な知見になるものと考えられる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (30 results)

All 2021 2020 2019 2018

All Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 10 results,  Open Access: 4 results) Presentation (20 results) (of which Int'l Joint Research: 5 results)

  • [Journal Article] Conductive Nanosheets Produced by UV Irradiation of Ag Nanoparticle Monolayer at the Air-Water Interface2021

    • Author(s)
      Masashi Kuroiwa, Tatsuya Nishimura, Mizuki Matsukawa, Yoshiro Imura, Ke-Hsuan Wang, Takeshi Kawai
    • Journal Title

      RSC Advances

      Volume: 11 Issue: 16 Pages: 9693-9697

    • DOI

      10.1039/d1ra00454a

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Homogeneous Helical Nanofibers of 12-Hydroxystearic Acid and Long-chain Amidoamine Derivatives Prepared by Tuning the Gelation Solvent2021

    • Author(s)
      Minakawa Muneharu、Nakagawa Makoto、Wang Ke-Hsuan、Imura Yoshiro、Kawai Takeshi
    • Journal Title

      Chemistry Letters

      Volume: 50 Issue: 4 Pages: 788-791

    • DOI

      10.1246/cl.200878

    • NAID

      130008025749

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic Fe3O4-Supported Gold Nanoflowers with Lattice-Selected Surfaces: Preparation and Catalytic Performance2020

    • Author(s)
      Imura Yoshiro、Kan Ryota、Akiyama Ryota、Saito Haruna、Morita-Imura Clara、Kawai Takeshi
    • Journal Title

      ACS Omega

      Volume: 5 Issue: 25 Pages: 15755-15760

    • DOI

      10.1021/acsomega.0c02340

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Water-phase synthesis of ultrathin Au nanowires with a two-dimensional parallel array structure2020

    • Author(s)
      Naoya Miyajima, Yung-Chen Wang, Makoto Nakagawa, Hiroki Kurata, Yoshiro Imura, Ke-Hsuan Wang, Takeshi Kawai
    • Journal Title

      Bulletin of the Chemical Society of Japan

      Volume: 93 Issue: 11 Pages: 1372-1377

    • DOI

      10.1246/bcsj.20200183

    • NAID

      130007939774

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Controlling helical pitch of chiral supramolecular nanofibers composed of two amphiphiles2020

    • Author(s)
      Muneharu Minakawa, Makoto Nakagawa, Ke-Hsuan Wang, Yoshiro Imura, Takeshi Kawai
    • Journal Title

      Bulletin of the Chemical Society of Japan

      Volume: 93 Issue: 10 Pages: 1150-1154

    • DOI

      10.1246/bcsj.20200143

    • NAID

      130007926127

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of Water-Dispersible, Plate-like Perovskites and their Core-Shell Nanocrystals2020

    • Author(s)
      Muneharu Minakawa, Yoshiro Imura, Takeshi Kawai
    • Journal Title

      RSC Advances

      Volume: 10 Issue: 10 Pages: 5972-5977

    • DOI

      10.1039/d0ra00657b

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Fabrication of Flexible and Transparent Conductive Nanosheets by the UV‐Irradiation of Gold Nanoparticle Monolayers2020

    • Author(s)
      Nishimura Tatsuya、Ito Naoyuki、Kinoshita Kazuhiko、Matsukawa Mizuki、Imura Yoshiro、Kawai Takeshi
    • Journal Title

      Small

      Volume: 16 Issue: 12 Pages: 1903365-1903365

    • DOI

      10.1002/smll.201903365

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Morphological Stability and Catalytic Performance of Supported and Unsupported Dendritic Gold Nanowire Catalysts2019

    • Author(s)
      Imura Yoshiro、Kataoka Hiroki、Saito Haruna、Minakawa Muneharu、Morita‐Imura Clara、Kawai Takeshi
    • Journal Title

      ChemistrySelect

      Volume: 4 Issue: 34 Pages: 9908-9914

    • DOI

      10.1002/slct.201902594

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Au-Ag Nanoflower Catalysts with Clean Surfaces for Alcohol Oxidation2019

    • Author(s)
      Yoshiro Imura, Ryota Akiyama, Shinya Furukawa, Ryota Kan, Clara Morita-Imura, Takayuki Komatsu, and Takeshi Kawai
    • Journal Title

      Chemistry-An Asian Journal

      Volume: 14 Issue: 4 Pages: 547-552

    • DOI

      10.1002/asia.201801711

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Preparation and Reconstruction of Long Branched Palladium Nanowires Exhibiting High Catalytic Activities2018

    • Author(s)
      Yoshiro Imura, Hiroki Kataoka, Ryota Akiyama, Clara Morita-Imura, and Takeshi Kawai
    • Journal Title

      ChemistrySelect

      Volume: 3 Issue: 47 Pages: 13387-13390

    • DOI

      10.1002/slct.201803487

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 高い触媒活性を持つ酸化セリウム担持金ナノフラワーの調製2020

    • Author(s)
      栗原悠介、伊村芳郎、Wang Ke-hsuan、河合武司
    • Organizer
      第71回コロイドおよび界面化学討論会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 担持金ナノフラワーおよびナノワイヤーの調製と触媒特性評価2020

    • Author(s)
      馬庭基樹、伊村芳郎、Wang Ke-hsuan、河合武司
    • Organizer
      第71回コロイドおよび界面化学討論会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 水による洗浄とUV オゾン処理を用いた異方形態金ナノ結晶の触媒活性向上2020

    • Author(s)
      齊藤陽菜、Wang Ke-hsuan、伊村芳郎、河合武司
    • Organizer
      第71回コロイドおよび界面化学討論会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 高い触媒活性を持つ担持Au-Pd ナノフラワーの作製2020

    • Author(s)
      田中正竜、Wang Ke-hsuan、伊村芳郎、河合武司
    • Organizer
      第71回コロイドおよび界面化学討論会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 酸化セリウム担持金ナノフラワーの調製と触媒材料への応用2020

    • Author(s)
      栗原悠介、伊村芳郎、Wang Ke-hsuan、河合武司
    • Organizer
      第10回CSJ化学フェスタ2020
    • Related Report
      2020 Annual Research Report
  • [Presentation] パラジウムとの二元金属化による金ナノフラワーの触媒活性向上2020

    • Author(s)
      田中正竜、伊村芳郎、Wang Ke-hsuan、河合 武司
    • Organizer
      2020年度色材研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Gold and Gold-Palladium Nanoflower Catalysts with High Catalytic Activity for Alcohol Oxidation2019

    • Author(s)
      Yoshiro Imura, Ryota Akiyama, Masami Tanaka, Haruna Saito, Clara Morita-Imura, Takeshi Kawai,
    • Organizer
      Materials Research Meeting 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Fe3O4-supported Gold Nanoflower Catalysts with High Catalytic Activity2019

    • Author(s)
      Ryota Kan, Yoshiro Imura, Ke-Hsuan Wang, Takeshi Kawai
    • Organizer
      Okinawa Colloids 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Size Control and Catalytic Performance of Gold Nanoflowers Supported on Alumina2019

    • Author(s)
      Motoki Maniwa, Yoshiro Imura, Ke-Hsuan Wang, Takeshi Kawai
    • Organizer
      Okinawa Colloids 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Improving Catalytic Activity of Alumina-supported Gold Nanoflowers by UV-Ozone Treatment2019

    • Author(s)
      Haruna Saito, Yoshiro Imura, Ke-Hsuan Wang, Takeshi Kawai
    • Organizer
      Okinawa Colloids 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 磁気応答性を持つ酸化鉄担持金ナノフラワーの調製と触媒特性2019

    • Author(s)
      伊村芳郎, 菅亮太, 伊村くらら, 河合武司
    • Organizer
      2019 年度色材研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] アルミナ担持金ナノフラワーのサイズ制御による触媒能の向上2019

    • Author(s)
      馬庭基樹, 伊村芳郎, Ke-Hsuan Wang, 河合武司
    • Organizer
      2019 年度色材研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] 担持異方形態金ナノ結晶の調製とUV オゾン法による触媒活性の向上2019

    • Author(s)
      齊藤陽菜, 伊村芳郎, Ke-Hsuan Wang, 河合武司
    • Organizer
      2019 年度色材研究発表会
    • Related Report
      2019 Research-status Report
  • [Presentation] 担持金ナノフラワーのサイズ制御と触媒特性2019

    • Author(s)
      馬庭基樹, 伊村芳郎, Wang Ke-hsuan, 河合武司
    • Organizer
      日本化学会第99春季年会
    • Related Report
      2018 Research-status Report
  • [Presentation] UVオゾン洗浄によるアルミナ担持金ナノフラワー触媒の活性向上2019

    • Author(s)
      齊藤陽菜, 伊村芳郎, Wang Ke-hsuan, 河合武司
    • Organizer
      日本化学会第99春季年会
    • Related Report
      2018 Research-status Report
  • [Presentation] 高い触媒活性を持つ刺激応答性ナノフラワー触媒の作製2018

    • Author(s)
      菅亮太, 秋山諒太, Wang Ke-hsuan, 伊村芳郎, 河合武司
    • Organizer
      第8回CSJ化学フェスタ
    • Related Report
      2018 Research-status Report
  • [Presentation] 高い触媒活性を有する異方形態合金ナノフラワーの調製2018

    • Author(s)
      秋山諒太, 伊村芳郎, Wang Ke-hsuan, 河合武司
    • Organizer
      第8回CSJ化学フェスタ
    • Related Report
      2018 Research-status Report
  • [Presentation] 酸化鉄との複合化によるナノフラワー触媒の活性向上2018

    • Author(s)
      菅亮太, 秋山諒太, Wang Ke-hsuan, 伊村芳郎, 河合武司
    • Organizer
      第69回コロイドおよび界面化学討論会
    • Related Report
      2018 Research-status Report
  • [Presentation] 担持合金ナノフラワーの調製とその触媒応用2018

    • Author(s)
      秋山諒太, 伊村芳郎, Wang Ke-hsuan, 河合武司
    • Organizer
      2018年度色材研究発表会
    • Related Report
      2018 Research-status Report
  • [Presentation] Preparation of supported gold nanoflowers and its catalytic property2018

    • Author(s)
      Ryota Kan, Ryota Akiyama, Yoshiro Imura, Ke-hsuan Wang, and Takeshi Kawai
    • Organizer
      8th Gold 2018
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2022-01-27  

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