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Issue 2, 2015
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Correlation of the structure and applications of dealloyed nanoporous metals in catalysis and energy conversion/storage

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Abstract

Nanoporous metals produced by dealloying have shown great promise in many areas such as catalysis/electrocatalysis, energy conversion/storage, sensing/biosensing, actuation, and surface-enhanced Raman scattering. Particularly, nanoscale metal ligaments with high electronic conductivity, tunable size and rich surface chemistry make nanoporous metals very promising as catalysts/electrocatalysts for energy conversion applications such as fuel cells and also as versatile three-dimensional substrates for energy-storage in supercapacitors and lithium ion batteries. In this review, we focus on the recent developments of dealloyed nanoporous metals in both catalysis/electrocatalysis and energy storage. In particular, based on the state-of-the-art electron microscopy characterization, we explain the atomic origin of the high catalytic activity of nanoporous gold. We also highlight the recent advances in rationally designing nanoporous metal-based composites and hierarchical structures for enhanced energy storage. Finally, we conclude with some outlook and perspectives with respect to future research on dealloyed nanoporous metals in catalysis- and energy-related applications.

Graphical abstract: Correlation of the structure and applications of dealloyed nanoporous metals in catalysis and energy conversion/storage

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Publication details

The article was received on 02 Oct 2014, accepted on 04 Nov 2014 and first published on 24 Nov 2014


Article type: Review Article
DOI: 10.1039/C4NR05778C
Citation: Nanoscale, 2015,7, 386-400
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    Correlation of the structure and applications of dealloyed nanoporous metals in catalysis and energy conversion/storage

    H.-J. Qiu, H. Xu, L. Liu and Y. Wang, Nanoscale, 2015, 7, 386
    DOI: 10.1039/C4NR05778C

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