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Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

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Highly ordered Pd nanowire array by template fabrication for propanol electrooxidation.

Zhihong Sun¹, Faliang Cheng, Xiangcheng Dai

¹Department of Computer and Information Science, City College of Dongguan University of Technology, Dongguan 523106, China.

Journal of Automated Methods & Management in Chemistry

|December 29, 2009

Summary

This summary is machine-generated.

Highly ordered palladium (Pd) nanowire arrays (NWAs) show excellent electrocatalytic activity for propanol oxidation. These nanostructures demonstrate potential for use in portable direct alcohol fuel cells (DAFCs).

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Area of Science:

Nanomaterials Science
Electrochemistry
Catalysis

Background:

Developing efficient electrocatalysts is crucial for advancing portable direct alcohol fuel cells (DAFCs).
Palladium (Pd) nanostructures are promising for electrocatalytic applications due to their unique properties.

Purpose of the Study:

To synthesize and characterize highly ordered palladium nanowire arrays (NWAs).
To investigate the electrocatalytic activity of Pd NWAs for propanol oxidation in alkaline media.

Main Methods:

Electrodeposition using anodic aluminum oxide (AAO) templates.
Characterization techniques including X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM).
Electrochemical measurements to assess catalytic activity.

Main Results:

Uniformly dispersed, brush-shaped Pd NWAs with diameters of approximately 50 nm and lengths of 850 nm were successfully prepared.
Pd NWAs exhibited excellent electrocatalytic activity for propanol oxidation.

Conclusions:

The synthesized Pd NWAs possess properties suitable for electrocatalysis.
These findings highlight the potential of Pd NWAs as efficient electrocatalysts in portable direct alcohol fuel cells (DAFCs).