NDLI: Beyond dealloying: development of nanoporous gold via metal-induced crystallization and its electrochemical properties

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Beyond dealloying: development of nanoporous gold via metal-induced crystallization and its electrochemical properties

Content Provider	Scilit
Author	Zhang, An Wang, Jiangyong Schützendübe, Peter Liang, Hongyan Huang, Yuan Wang, Zumin
Copyright Year	2019
Description	Journal: Nanotechnology Nanoporous metals (NPMs) possess a number of intriguing properties that result in NPMs being an important family of nanomaterials for many advanced applications. However, the methods of preparing NPMs are relatively complicated and have many limitations, which have hindered the commercial application of NPMs thus far. By introducing metal-induced crystallization, a solid-phase reaction method for preparing NPMs was developed in this study, which is highly efficient and environmentally friendly. The microstructure of the prepared nanoporous gold (NPG) was characterized on an atomic scale by scanning electron microscopy and high-resolution transmission electron microscopy. The results confirmed that the solid-phase reaction method is an effective alternative means of preparing highly pure NPG. The results of electrochemical tests demonstrated that thus-prepared NPG possesses higher electrocatalytic activity than other types of gold electrodes toward oxygen reduction in alkaline media. The combination of a simple preparation process and higher activity suggests that the developed method may promote the future use of NPG in new energy applications, such as fuel cells and metal–air batteries.
Related Links	https://iopscience.iop.org/article/10.1088/1361-6528/ab2616/pdf
ISSN	09574484
e-ISSN	13616528
DOI	10.1088/1361-6528/ab2616
Journal	Nanotechnology
Issue Number	37
Volume Number	30
Language	English
Publisher	IOP Publishing
Publisher Date	2019-05-31
Access Restriction	Open
Subject Keyword	Journal: Nanotechnology Atomic, Molecular and Chemical Physics
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering

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