Facile fabrication of nanoparticles in the nanospace of ultrathin TiO 2-gel films: Composition, morphology and catalytic activity

Junhui He, Toyoki Kunitake

研究成果: ジャーナルへの寄稿会議記事査読

抄録

In this article, we present in-situ synthesis of nanoparticles of various compositions and morphologies in the nanospace of ultrathin TiO2-gel films using low temperature H2 and O2 plasmas as reductant and oxidant, respectively. Parameters that influence the formation of nanoparticles were investigated and discussed. Reversible chemical transformation was found to give monodisperse nanoparticles. Catalytic activities of Pd monometallic and Ag-core/Pd-shell bimetallic nanoparticles were tested for hydrogenation of methyl acrylate. The much enhanced catalytic activity is attributed mainly to a large ratio of the surface Pd atoms.

本文言語英語
ページ(範囲)23-28
ページ数6
ジャーナルMaterials Research Society Symposium - Proceedings
794
DOI
出版ステータス出版済み - 1月 1 2003
外部発表はい
イベントSelf-Organized Processes in Semiconductor Heteroepitaxy - Boston, MA, 米国
継続期間: 12月 1 200312月 5 2003

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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