Porous Nanoarchitectures of Nonprecious Metal Borides: From Controlled Synthesis to Heterogeneous Catalyst Applications

Yunqing Kang, Yi Tang, Liyang Zhu, Bo Jiang, Xingtao Xu, Olga Guselnikova, Hexing Li, Toru Asahi*, Yusuke Yamauchi

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

Porous nonprecious metal-based nanomaterials have gained considerable attention in heterogeneous catalysis owing to their low price, high specific surface area, efficient mass/electron transfer, tunable pore structure, and unique physicochemical properties. Controlling the phase and compositions of these porous nonprecious metal-based materials is critical to their applications. Porous nonprecious transition-metal borides (TMBs), typical metal-metalloid alloys, have recently received much interest because of their optimized electronic structure, adjustable crystal phase, and abundant active site. The controlled tuning of the porous structure of TMBs, exploring the relationship between the structure and performance, and understanding the function of B are essential for developing catalysts with excellent performance; however, these factors have rarely been reviewed. Herein, a detailed summary of the synthesis methods of porous TMBs is provided by precisely defining their shape, composition, and pore size/structure. Incorporating B into metals can significantly alter their performance due to the unique metalloid properties of B. Further, we focus on the key roles of B in porous TMBs for related heterogeneous catalytic applications, including phase control, regulated electronic structure, optimized adsorption of reaction intermediates, and enhanced charge transfer and stability. Finally, we outline the shortcomings, challenges, and possible development of porous TMBs, which need to be further explored to increase TMBs' contribution to heterogeneous catalyst applications and beyond.

Original languageEnglish
Pages (from-to)14773-14793
Number of pages21
JournalACS Catalysis
Volume12
Issue number23
DOIs
Publication statusPublished - 2022 Dec 2

Keywords

  • Earth-abundant metals
  • heterogeneous catalyst
  • nanostructure engineering
  • porous materials
  • porous metal
  • transition-metal borides

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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