Boron‑Insertion‑Induced Lattice Engineering of Rh Nanocrystals Toward Enhanced Electrocatalytic Conversion of Nitric Oxide to Ammonia (IMAGE)

Shanghai Jiao Tong University Journal Center

Boron‑Insertion‑Induced Lattice Engineering of Rh Nanocrystals Toward Enhanced Electrocatalytic Conversion of Nitric Oxide to Ammonia

Caption

  • Phase regulation of B-inserted rhodium (Rh) nanocrystals is achieved using a facile wet-chemical approach.
  • The B-inserted Rh nanocatalysts exhibit phase-dependent behaviors in electrocatalytic nitric oxide (NO) reduction reaction.
  • The hexagonal close-packed RhB nanocatalysts demonstrate superior electrocatalytic activity in NH3 production with a maximum NH3 yield rate of 629.5 µmol h−1 cm−2 and FENH3 of 92.1%.
  • Theoretical simulations reveal possible origin of the excellent electrocatalytic activity, which could be attributed to the d-band center upshift, enhanced NO adsorption/activation, and reduced energy barrier of rate-determining step.

Credit

Peng Han, Xiangou Xu, Weiwei Chen, Long Zheng, Chen Ma, Gang Wang, Lei Xu, Ping Gu, Wenbin Wang, Qiyuan He, Zhiyuan Zeng, Jinlan Wang, Dong Su, Chongyi Ling*, Zhengxiang Gu*, Ye Chen*.

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License

CC BY-NC-ND

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