B-Doped PdRu nanopillar assemblies for enhanced formic acid oxidation electrocatalysis
Songliang Liu1, Ziqiang Wang1, 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. zqwang@zjut.edu.cn wangliang@zjut.edu.cn hjw@zjut.edu.cn.
Nanoscale
|September 18, 2020
Summary
Boron-doped palladium-ruthenium nanopillars show enhanced performance for electrocatalytic formic acid oxidation. This new synthesis method offers a simple route to advanced nanomaterials for catalysis.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Optimizing palladium-based materials is key for efficient electrocatalytic formic acid oxidation reaction (FAOR).
- Material morphology and composition significantly influence catalytic activity and stability.
Purpose of the Study:
- To synthesize and characterize boron-doped palladium-ruthenium nanopillar assemblies (B-PdRu NPAs).
- To evaluate the electrocatalytic performance of B-PdRu NPAs for the FAOR.
- To demonstrate a novel synthesis strategy for metal-nonmetal nanomaterials.
Main Methods:
- A two-step synthesis method was employed using sodium borohydride (NaBH4) as the boron source.
- Characterization of the B-PdRu NPAs was performed to analyze their structure and composition.
- Electrocatalytic activity and stability for FAOR were assessed through electrochemical measurements.
Main Results:
- B-PdRu NPAs exhibited a high mass activity of 1.09 mA μg-1Pd for the FAOR.
- The doped nanopillars retained 73.19% of their initial activity after 500 cycles, outperforming undoped materials.
- The hyper-branched structure and synergistic effects contributed to the enhanced catalytic properties.
Conclusions:
- The developed synthesis strategy is effective for creating tailored metal-nonmetal nanomaterials.
- B-PdRu NPAs represent a promising class of electrocatalysts for the FAOR.
- This approach facilitates the design of advanced nanomaterials for various catalytic applications.
