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

研究成果: Article査読

4 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

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)

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