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Title: Ligand-Exchange-Induced Amorphization of Pd Nanomaterials for Highly Efficient Electrocatalytic Hydrogen Evolution Reaction

Journal Article · · Advanced Materials
 [1];  [2];  [1];  [1];  [1];  [3];  [4];  [5];  [1];  [1]; ORCiD logo [6]
  1. Nanyang Technological Univ. (Singapore)
  2. Nanyang Technological Univ. (Singapore); Chinese Academy of Sciences (CAS), Beijing (China)
  3. Center for Programmable MaterialsSchool of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
  4. Inst. of Chemical and Engineering Sciences (Singapore). A*STAR (Agency for Science, Technology and Research); Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
  5. Advanced Photon SourceArgonne National Laboratory 9700 South Cass Avenue Argonne IL 60439 USA
  6. Nanyang Technological Univ. (Singapore); City Univ. of Hong Kong (Hong Kong)
+ Show Author Affiliations

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.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Nanyang Technological University (NTU); City University of Hong Kong
Grant/Contract Number:
SC0012704; AC02‐06CH11357; AC02-06CH11357
OSTI ID:
1603282
Alternate ID(s):
OSTI ID: 1598058; OSTI ID: 1630068
Report Number(s):
BNL-213658-2020-JAAM
Journal Information:
Advanced Materials, Vol. 32, Issue 11; ISSN 0935-9648
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 142 works
Citation information provided by
Web of Science

References (33)

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Dimeric [Mo 2 S 12 ] 2− Cluster: A Molecular Analogue of MoS 2 Edges for Superior Hydrogen-Evolution Electrocatalysis journal October 2015
Coordination polymer structure and revisited hydrogen evolution catalytic mechanism for amorphous molybdenum sulfide journal March 2016
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Pd–Au bimetallic catalysts: understanding alloy effects from planar models and (supported) nanoparticles journal January 2012
Thiol Treatment Creates Selective Palladium Catalysts for Semihydrogenation of Internal Alkynes journal May 2018
Amorphous Molybdenum Sulfides as Hydrogen Evolution Catalysts journal July 2014
A View from the Inside:  Complexity in the Atomic Scale Ordering of Supported Metal Nanoparticles journal December 2001
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Formation and Structure of Self-Assembled Monolayers of Alkanethiolates on Palladium
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Amorphizing of Cu Nanoparticles toward Highly Efficient and Robust Electrocatalyst for CO 2 Reduction to Liquid Fuels with High Faradaic Efficiencies journal February 2018
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Ni–Mo Nanopowders for Efficient Electrochemical Hydrogen Evolution journal January 2013
Amorphous CuPt Alloy Nanotubes Induced by Na 2 S 2 O 3 as Efficient Catalysts for the Methanol Oxidation Reaction journal May 2016
Nanostructured hydrotreating catalysts for electrochemical hydrogen evolution journal January 2014
A Facile Synthesis of MPd (M = Co, Cu) Nanoparticles and Their Catalysis for Formic Acid Oxidation journal January 2012
Synthesis of Pd nanocrystals enclosed by {100} facets and with sizes <10 nm for application in CO oxidation journal October 2010
Photochemical Route for Accessing Amorphous Metal Oxide Materials for Water Oxidation Catalysis journal March 2013
The Flexibility of an Amorphous Cobalt Hydroxide Nanomaterial Promotes the Electrocatalysis of Oxygen Evolution Reaction journal April 2018
Palladium-Based Nanomaterials: Synthesis and Electrochemical Applications journal September 2015
Dimeric [Mo 2 S 12 ] 2− Cluster: A Molecular Analogue of MoS 2 Edges for Superior Hydrogen‐Evolution Electrocatalysis journal October 2015
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Related Subjects

36 MATERIALS SCIENCE
amorphization
electrocatalysis
ligand exchange
Pd nanomaterials