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Updated: Sep 3, 2025

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

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Published on: December 6, 2021

Single-Atom-Kernelled Nanocluster Catalyst.

Shengli Zhuang^1,2, Dong Chen³, Wentao Fan^1,4

¹Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P.R. China.

|July 22, 2022

Summary

This summary is machine-generated.

Researchers developed a novel single-atom-kernelled nanocluster for electrocatalysis. This new structure enhances precious metal utilization and improves catalytic performance in CO2 reduction.

Keywords:

CO2 electroreduction Pd based trimetal nanocluster Single-atom-kernelled nanocluster active site antigalvanic reduction metal utilization efficiency

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Area of Science:

Nanomaterials Science
Catalysis
Electrochemistry

Background:

Developing efficient catalysts for CO2 reduction is crucial for sustainable energy.
Nanoclusters offer unique catalytic properties but often suffer from low precious metal utilization.

Purpose of the Study:

To introduce the concept of single-atom-kernelled nanoclusters.
To synthesize and characterize a novel Pd-based trimetal nanocluster with a single-Ag atom kernel.
To investigate its performance in the electrocatalytic reduction of CO2 to CO.

Main Methods:

Synthesis of Pd-based trimetal nanoclusters using steric hindrance factors and a joint alloying strategy (coreduction and antigalvanic reduction - AGR).
Electrocatalytic testing for CO2 reduction to CO.
Analysis of the influence of kernel single atoms on catalytic activity and electronic configuration.

Main Results:

Successfully synthesized Pd-based trimetal nanoclusters with a single-Ag atom kernel.
These nanoclusters exhibited higher activity and selectivity for CO2 electroreduction compared to bimetal precursors.
Kernel single atoms were found to influence catalytic performance by altering electronic configuration, not by being active sites themselves.

Conclusions:

The single-atom-kernelled nanocluster concept improves precious metal utilization (up to 100%).
This approach enhances catalytic properties and provides insights into structure-property relationships in metal nanoclusters.
Demonstrates a promising strategy for designing advanced electrocatalysts.