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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/18094

Title: Christmas-Tree-Shaped Palladium Nanostructures Decorated on Glassy Carbon Electrode for Ascorbic Acid Oxidation in Alkaline Condition
Authors: Hasan, Md. Mahmudul
Nagao, Yuki
Keywords: Electrocatalysis
Sharp edge nanostructures
Issue Date: 2021-06-22
Publisher: Wiley-VCH
Magazine name: ChemistrySelect
Volume: 6
Number: 24
Start page: 5885
End page: 5892
DOI: 10.1002/slct.202100974
Abstract: Christmas-tree-shaped Pd nanostructures were synthesized using a simple one-step electrodeposition method with no additives on a glassy carbon electrode (GCE) surface. Growth of the hierarchical nanostructures was optimized through the applied potential, deposition time, and precursor concentration. Comprehensive characterization techniques such as scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS), X-ray powder diffraction (XRD), and cyclic voltammetry (CV) were used to characterize structural features of the Christmas-tree-shaped Pd nanostructures. Our Christmas-tree-shaped Pd nanostructures showed excellent catalytic activity for ascorbic acid (AA) electro-oxidation in the alkaline condition. The modified electrode exhibited current density of 4.5 mA cm^-2: much higher than that of unmodified GCE (0.6 mA cm^-2). This simple electrodeposition technique with well-defined hierarchical Pd nanostructures is expected to offer new perspectives using Pd-based nanostructured surfaces in different research areas.
Rights: This is the peer reviewed version of the following article: Copyright (C) 2021 Wiley-VCH. Md.Mahmudul Hasan, Yuki Nagao, ChemistrySelect, 6(24), 2021, pp.5885-5892, which has been published in final form at https://doi.org/10.1002/slct.202100974. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
URI: http://hdl.handle.net/10119/18094
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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