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Updated: Apr 27, 2026

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Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
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Three-dimensional interconnected network of nanoporous CoP nanowires as an efficient hydrogen evolution cathode
Shuang Gu1, Hongfang Du, Abdullah M Asiri
1Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing 400715, China. ecmli@swu.edu.cn.
Physical Chemistry Chemical Physics : PCCP
|July 15, 2014
Summary
Researchers developed a new method to create nanoporous cobalt phosphide (CoP) nanowires on titanium substrates. This material shows excellent performance as a cathode for hydrogen evolution reactions.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Developing efficient electrocatalysts for hydrogen evolution is crucial for clean energy technologies.
- Nanostructured materials offer high surface areas and enhanced catalytic activity.
Purpose of the Study:
- To demonstrate the topotactic synthesis of a 3D interconnected network of nanoporous cobalt phosphide (CoP) nanowires directly on a titanium (Ti) substrate.
- To evaluate the performance of the synthesized np-CoP NWs/Ti as a hydrogen evolution reaction (HER) cathode.
Main Methods:
- Topotactic synthesis via low-temperature phosphidation.
- Utilized a Co2(OH)2(CO3)2/Ti precursor.
- Fabricated nanoporous cobalt phosphide nanowires on a Ti substrate (np-CoP NWs/Ti).
Main Results:
- Successfully synthesized a 3D interconnected network of nanoporous CoP nanowires on a Ti substrate.
- The np-CoP NWs/Ti demonstrated highly efficient performance as a hydrogen evolution cathode.
- The synthesis was achieved through a novel low-temperature phosphidation process.
Conclusions:
- The study presents a novel and efficient method for synthesizing advanced nanostructured electrocatalysts.
- The developed np-CoP NWs/Ti material is a promising candidate for highly efficient hydrogen evolution applications.
- This work contributes to the advancement of materials for renewable energy.

