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Cited by 245

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Ligand‐Exchange‐Induced Amorphization of Pd Nanomaterials for Highly Efficient Electrocatalytic Hydrogen Evolution Reaction

Open access
Cheng, Hongfei, Yang, Nailiang, Liu, Guigao, Ge, Yiyao, Huang, Jingtao, Yun, Qinbai, Du, Yonghua, Sun, Cheng‐Jun, Chen, Bo, Liu, Jiawei, Zhang, Hua·2020·Advanced Materials

Abstract

Various kinds of amorphous materials, such as transition metal dichalcogenides, metal oxides, and metal phosphates, have demonstrated superior electrocatalytic performance compared with their crystalline counterparts. Compared to other materials for electrocatalysis, noble metals exhibit intrinsically high activity and excellent durability. However, it is still very challenging to prepare amorphous noble‐metal nanomaterials due to the strong interatomic metallic bonding. Herein, the discovery of a unique thiol molecule is reported, namely bismuthiol I, which can induce the transformation of Pd nanomaterials from face‐centered‐cubic (fcc) phase into amorphous phase without destroying their integrity. This ligand‐induced amorphization is realized by post‐synthetic ligand exchange under ambient conditions, and is applicable to fcc Pd nanomaterials with different capping ligands. Importantly, the obtained amorphous Pd nanoparticles exhibit remarkably enhanced activity and excellent stability toward electrocatalytic hydrogen evolution in acidic solution. This work provides a facile and effective method for preparing amorphous Pd nanomaterials, and demonstrates their promising electrocatalytic application.

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Metadata

Authors
Cheng, H., Yang, N., Liu, G., Ge, Y., Huang, J., Yun, Q., Du, Y., Sun, C., Chen, B., Liu, J., & Zhang, H.
Venue
Advanced Materials
Publisher
Wiley
Published
2020-02-06
Volume
32
Issue
11
Pages
e1902964-e1902964
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W3004418178
Cited by
245
References
3
FWCI
7.42
Type
journal article
Language
en
Open access
green

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Cheng, H., Yang, N., Liu, G., Ge, Y., Huang, J., Yun, Q., Du, Y., Sun, C., Chen, B., Liu, J., & Zhang, H. (2020). Ligand‐Exchange‐Induced Amorphization of Pd Nanomaterials for Highly Efficient Electrocatalytic Hydrogen Evolution Reaction. Advanced Materials. https://doi.org/10.1002/adma.201902964

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