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Updated: Jun 2, 2026

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DNA-Programmed Amorphous PtCu Nanohybrids With Spatially Partitioned Functions for Hydrogen Evolution.

Le Li1, Huiyu Miao1, Xiangjun Zheng1

  • 1Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Materials Science, Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, Northwest University, Xi'an, Shaanxi, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|June 1, 2026
PubMed
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This summary is machine-generated.

This study introduces a novel amorphous platinum-copper (PtCu) architecture with interwoven nanosheets and nanotubes. This design enhances electrocatalytic performance by improving charge transport and mass exchange for hydrogen evolution.

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Amorphous atomically thin metals have high catalytic activity but suffer from kinetic limitations due to poor charge transport and mass exchange.
  • This mismatch hinders the practical application of amorphous metallic catalysts in electrocatalysis.

Purpose of the Study:

  • To develop a hierarchically integrated amorphous PtCu architecture that decouples surface reactivity from transport constraints.
  • To enhance the electrocatalytic performance of amorphous metals by addressing kinetic bottlenecks.

Main Methods:

  • Fabrication of a hybrid architecture combining amorphous PtCu nanosheets and interconnected PtCu nanotubes.
  • Characterization of the material's structure and electrochemical properties.
Keywords:
2D metal nanomaterialsDNA frameworkamorphouselectrocatalyst

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Main Results:

  • The interwoven PtCu nanotube-nanosheet architecture created distinct, coupled reaction and transport domains.
  • Amorphous nanosheets acted as active catalytic sites, while the nanotube network facilitated rapid electron and reactant transport.
  • The hybrid material exhibited significantly enhanced hydrogen evolution kinetics and improved platinum utilization efficiency.

Conclusions:

  • Hierarchical structural integration in amorphous metals can overcome intrinsic kinetic limitations.
  • This approach effectively converts atomic-scale disorder into macroscopic catalytic efficiency.
  • The developed PtCu architecture offers a promising strategy for advanced electrocatalyst design.