Journal
ADVANCED MATERIALS
Volume 33, Issue 13, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202004554
Keywords
concave structures; electrocatalysis; nanostructures; negative curvature; noble metals
Categories
Funding
- ERATO-FS Yamauchi Materials Space-Techtonics Project
- Japan Science and Technology Agency (JST)
- Australian Research Council [FT180100387, DP200103568]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2020R1A6A3A03039037]
- 111 Project of China [B17020]
- National Research Foundation of Korea [2020R1A6A3A03039037] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Australian Research Council [DP200103568, FT180100387] Funding Source: Australian Research Council
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This article discusses the synthesis routes and advantages of nanostructured concave noble metal materials, and proposes suggestions for optimizing the synthesis procedure and enhancing the electrocatalytic performance. Concave noble metal nanoparticles exhibit better catalytic activity and stability.
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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