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Metallenes as functional materials in electrocatalysis

Journal

CHEMICAL SOCIETY REVIEWS
Volume 50, Issue 12, Pages 6700-6719

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cs01041c

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Funding

  1. AcRF Tier 1 grant by the Ministry of Education in Singapore [RG105/19]

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Metalenes, as atomically thin layers primarily composed of under-coordinated metal atoms, have shown promising physicochemical properties for catalytic applications in electrochemical conversions. With growing interest in metalenes, there is a need to review research findings and identify future directions for advancements in the field.
Metallenes, atomically thin layers composed primarily of under-coordinated metal atoms, have emerged as the newest members in the family of 2D nanomaterials. Furthermore, the remarkable physicochemical properties associated with metallenes coupled with the ease of applying chemical modifications result in exciting opportunities towards catalyst engineering for electrochemical conversions. Especially in recent years, interest around metallenes has grown, evidenced by the surge in available literature. As such, it is imperative to review the findings and present directions for the future. In this review, we highlight the techniques available for deriving metallenes and further discuss the modification strategies commonly employed in devising metallenes to better suit applications in electrocatalysis. We provide a rational understanding of how each strategy drives performance enhancements and present gaps in the knowledge, necessary for further advancements in the field.

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