journal article·2021-04Open access

In Search of Excellence: Convex versus Concave Noble Metal Nanostructures for Electrocatalytic Applications

Muhammad Iqbal, Yoshio Bando, Ziqi Sun, Kevin C.‐W. Wu, Alan E. Rowan, Jongbeom Na, Bu Yuan Guan, Yusuke Yamauchi

Advanced Materials· Volume 33· Issue 13

Abstract

Abstract Controlling the shape of noble metal nanoparticles is a challenging but important task in electrocatalysis. Apart from hollow and nanocage structures, concave noble metal nanoparticles are considered a new class of unconventional electrocatalysts that exhibit superior electrocatalytic properties as compared with those of conventional nanoparticles (including convex and flat ones). Herein, several facile and highly reproducible routes for synthesizing nanostructured concave noble metal materials reported in the literature are discussed, together with their advantages over noble metal nanoparticles with convex shapes. In addition, possible ways of optimizing the synthesis procedure and enhancing the electrocatalytic characteristics of concave metal nanoparticles are suggested. Nanostructured noble metals with concave features are found to show better catalytic activity and stability hence improve their practical applicability in electrocatalysis.
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Research context

OpenAlex topics: Electrocatalysts for Energy Conversion · Nanomaterials for catalytic reactions · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Molecular Plus Tianjin University No. 11 Building, No. 92 Weijin Road, Nankai District Tianjin 300072 P. R. China

JST‐ERATO Yamauchi Materials Space‐Tectonics Project International Center for Materials Nanoarchitectonics (WPI‐MANA) National Institute for Materials Science (NIMS) 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

Australian Institute of Innovative Materials University of Wollongong Squires Way North Wollongong New South Wales 2500 Australia

School of Chemistry and Physics Queensland University of Technology Brisbane Queensland 4000 Australia

Department of Chemical Engineering National Taiwan University Taipei 10617 Taiwan

Australian Institute for Bioengineering and Nanotechnology (AIBN) The University of Queensland Brisbane Queensland 4072 Australia

State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry Jilin University Changchun 130012 P. R. China

Joint Research Center for Future Materials International Center of Future Science Jilin University Qianjin Street 2699 Changchun 130012 P. R. China

Funding

Australian Research Council · National Research Foundation of Korea · Higher Education Discipline Innovation Project

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