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5 years ago

Ultrathin Two-Dimensional Nanostructured Materials for Highly Efficient Water Oxidation

Ultrathin Two-Dimensional Nanostructured Materials for Highly Efficient Water Oxidation
Wang Zhang, Kun Zhou
Water oxidation, also known as the oxygen evolution reaction (OER), is a crucial process in energy conversion and storage, especially in water electrolysis. The critical challenge of the electrochemical water splitting technology is to explore alternative precious-metal-free catalysts for the promotion of the kinetically sluggish OER. Recently, emerging two-dimensional (2D) ultrathin materials with abundant accessible active sites and improved electrical conductivity provide an ideal platform for the synthesis of promising OER catalysts. This Review focuses on the most recent advances in ultrathin 2D nanostructured materials for enhanced electrochemical activity of the OER. The design, synthesis and performance of such ultrathin 2D nanomaterials-based OER catalysts and their property-structure relationships are discussed, providing valuable insights to the exploration of novel OER catalysts with high efficiency and low overpotential. The potential research directions are also proposed in the research field. Ultrathin two-dimensional nanomaterials are highly promising electrocatalysts for water oxidation application due to their abundant accessible active sites and improved electron conductivity. The design, synthesis and performance of such ultrathin nanostructured electrocatalysts and their property-structure relationships are discussed, providing valuable insights to the exploration of next-generation electrocatalysts for industrial applications.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/smll.201700806

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