Mesoporous Metal–Metalloid Amorphous Alloys: The First Synthesis of Open 3D Mesoporous Ni-B Amorphous Alloy Spheres via a Dual Chemical Reduction Method

Yunqing Kang, Joel Henzie, Huajun Gu, Jongbeom Na, Amanullah Fatehmulla, Belqes Saeed A. Shamsan, Abdullah M. Aldhafiri, W. Aslam Farooq, Yoshio Bando, Toru Asahi, Bo Jiang*, Hexing Li, Yusuke Yamauchi

*この研究の対応する著者

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Selective hydrogenation of nitriles is an industrially relevant synthetic route for the preparation of primary amines. Amorphous metal–boron alloys have a tunable, glass-like structure that generates a high concentration of unsaturated metal surface atoms that serve as active sites in hydrogenation reactions. Here, a method to create nanoparticles composed of mesoporous 3D networks of amorphous nickel–boron (Ni-B) alloy is reported. The hydrogenation of benzyl cyanide to β-phenylethylamine is used as a model reaction to assess catalytic performance. The mesoporous Ni-B alloy spheres have a turnover frequency value of 11.6 h−1, which outperforms non-porous Ni-B spheres with the same composition. The bottom-up synthesis of mesoporous transition metal–metalloid alloys expands the possible reactions that these metal architectures can perform while simultaneously incorporating more Earth-abundant catalysts.

本文言語English
論文番号1906707
ジャーナルSmall
16
10
DOI
出版ステータスPublished - 2020 3 1

ASJC Scopus subject areas

  • バイオテクノロジー
  • 生体材料
  • 化学 (全般)
  • 材料科学(全般)

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