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Nanoarchitectonics for Improving Catalytic Performance of α-Alumina-supported Gold Nanoflower by Water Extraction and Ultraviolet-Ozone Treatment.
Imura, Yoshiro; Saito, Haruna; Jino, Yuta; Akiyama, Ryota; Morita-Imura, Clara; Kawai, Takeshi.
Afiliación
  • Imura Y; Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science.
  • Saito H; Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science.
  • Jino Y; Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science.
  • Akiyama R; Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science.
  • Morita-Imura C; Department of Chemistry, Faculty of Science, Ochanomizu University.
  • Kawai T; Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science.
J Oleo Sci ; 73(9): 1241-1247, 2024 Sep 01.
Article en En | MEDLINE | ID: mdl-39168624
ABSTRACT
Shape-controlled nanocrystals, such as nanoflowers, are expected to serve as innovative nanocatalysts with high catalytic activity. It is well-established that these nanocrystals can be readily synthesized with specific shapes using colloidal methods in solutions containing capping agents. However, these capping agents tend to reduce the catalytic activity of nanocatalysts. Therefore, it is imperative to remove these agents without altering the morphology to enhance catalytic efficiency. In this study, we developed a method for eliminating melamine, a common capping agent, from supported Au nanoflowers using water extraction and ultraviolet-ozone treatment. This process significantly enhances the catalytic performance, particularly for alcohol oxidation reactions such as the conversion of 1-phenylethyl alcohol to acetophenone.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxidación-Reducción / Ozono / Rayos Ultravioleta / Agua / Óxido de Aluminio / Oro Idioma: En Revista: J Oleo Sci Asunto de la revista: BIOQUIMICA Año: 2024 Tipo del documento: Article Pais de publicación: Japón
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxidación-Reducción / Ozono / Rayos Ultravioleta / Agua / Óxido de Aluminio / Oro Idioma: En Revista: J Oleo Sci Asunto de la revista: BIOQUIMICA Año: 2024 Tipo del documento: Article Pais de publicación: Japón