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Related Experiment Video

Updated: Nov 8, 2025

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Engineering One-Dimensional AuPd Nanospikes for Efficient Electrocatalytic Nitrogen Fixation.

Shuli Yin1, Songliang Liu1, Hugang Zhang1

  • 1State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.

ACS Applied Materials & Interfaces
|April 22, 2021
PubMed
Summary

Researchers developed novel 1D gold-palladium nanospikes for efficient electrochemical nitrogen fixation. These nanospikes demonstrate high ammonia yield rates, advancing sustainable nitrogen conversion technologies.

Keywords:
bimetallic AuPdelectrocatalystnitrogen fixationone-dimensional materialsspike-like nanostructures

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Designing one-dimensional (1D) bimetallic nanomaterials is crucial for advancing electrochemical nitrogen fixation.
  • Existing methods often lack efficiency or require complex synthesis.

Purpose of the Study:

  • To fabricate and characterize novel 1D bimetallic nanospikes for enhanced electrochemical nitrogen fixation.
  • To investigate the performance of these nanospikes in ammonia synthesis.

Main Methods:

  • A flexible, low-temperature wet-chemical method was employed to synthesize 1D gold-palladium nanospikes (AuPd NSs).
  • The nanospikes feature an internal gold (Au) nanowire core and external palladium (Pd) nanohump structures.

Main Results:

  • The synthesized AuPd NSs exhibited excellent electron transport efficiency and high accessible surface area.
  • Achieved an ammonia (NH3) yield rate of 16.9 μg h−1 mg−1cat. and a Faradaic efficiency of 15.9% at -0.3 V.
  • Demonstrated outstanding nitrogen reduction reaction performance.

Conclusions:

  • The developed 1D AuPd nanospikes are effective electrocatalysts for nitrogen fixation.
  • The study presents a flexible and controlled synthesis method for spike-like nanomaterials.