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Gold Nanoparticles Supported on Mesoporous Titania Thin Films with High Loading as a CO Oxidation Catalyst.
Akita, Shingo; Amemiya, Makoto; Matsumoto, Takanori; Jikihara, Yohei; Nakayama, Tsuruo; Hossain, Md Shahriar A; Kani, Kenya; Ishii, Daisuke; Islam, Md Tofazzal; Jiang, Xiangfen; Fatehmulla, Amanullah; Farooq, Wazirzada Aslam; Bando, Yoshio; Malgras, Victor; Yamauchi, Yusuke.
Afiliação
  • Akita S; NBC Meshtec Inc., 2-50-3 Toyoda, Hino-shi, Tokyo, 191-0053, Japan.
  • Amemiya M; NBC Meshtec Inc., 2-50-3 Toyoda, Hino-shi, Tokyo, 191-0053, Japan.
  • Matsumoto T; NBC Meshtec Inc., 2-50-3 Toyoda, Hino-shi, Tokyo, 191-0053, Japan.
  • Jikihara Y; NBC Meshtec Inc., 2-50-3 Toyoda, Hino-shi, Tokyo, 191-0053, Japan.
  • Nakayama T; NBC Meshtec Inc., 2-50-3 Toyoda, Hino-shi, Tokyo, 191-0053, Japan.
  • Hossain MSA; International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
  • Kani K; Australian Institute for Innovative Materials (AIIM), University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia.
  • Ishii D; International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
  • Islam MT; Department of Life Science and Materials Engineering, Faculty of Engineering, Nagoya Institute of Technology (NIT), Gokiso, Showa, Nagoya, Aichi, 466-8555, Japan.
  • Jiang X; Department of Life Science and Materials Engineering, Faculty of Engineering, Nagoya Institute of Technology (NIT), Gokiso, Showa, Nagoya, Aichi, 466-8555, Japan.
  • Fatehmulla A; Department of Biotechnology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh.
  • Farooq WA; International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
  • Bando Y; Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
  • Malgras V; Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
  • Yamauchi Y; International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
Chem Asian J ; 12(8): 877-881, 2017 Apr 18.
Article em En | MEDLINE | ID: mdl-28371448
In the present work, 2.4 nm gold nanoparticles (Au NPs) are uniformly dispersed on mesoporous titania thin films which are structurally tuned by controlling the calcination temperature. The gold content of the catalyst is as high as 27.8 wt %. To our knowledge, such a high loading of Au NPs with good dispersity has not been reported until now. Furthermore, the reaction rate of the gold particles is enhanced by one order of magnitude when supported on mesoporous titania compared to non-porous titania. This significant improvement can be explained by an increase in the diffusivity of the substrate due to the presence of mesopores, the resistance to agglomeration, and improved oxygen activation.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article