Issue 8, 2024

Two-dimensional materials as catalysts, interfaces, and electrodes for an efficient hydrogen evolution reaction

Abstract

Two-dimensional (2D) materials have been significantly investigated as electrocatalysts for the hydrogen evolution reaction (HER) over the past few decades due to their excellent electrocatalytic properties and their structural uniqueness including the atomically thin structure and abundant active sites. Recently, 2D materials with various electronic properties have not only been used as active catalytic materials, but also employed in other components of the HER electrodes including a conductive electrode layer and an interfacial layer to maximize the HER efficiency or utilized as templates for catalytic nanostructure growth. This review provides the recent progress and future perspectives of 2D materials as key components in electrocatalytic systems with an emphasis on the HER applications. We categorized the use of 2D materials into three types: a catalytic layer, an electrode for catalyst support, and an interlayer for enhancing charge transfer between the catalytic layer and the electrode. We first introduce various scalable synthesis methods of electrocatalytic-grade 2D materials, and we discuss the role of 2D materials as HER catalysts, an interface for efficient charge transfer, and an electrode and/or a growth template of nanostructured noble metals.

Graphical abstract: Two-dimensional materials as catalysts, interfaces, and electrodes for an efficient hydrogen evolution reaction

Article information

Article type
Minireview
Submitted
11 jan 2024
Accepted
22 jan 2024
First published
24 jan 2024

Nanoscale, 2024,16, 3936-3950

Two-dimensional materials as catalysts, interfaces, and electrodes for an efficient hydrogen evolution reaction

Y. S. Cho and J. Kang, Nanoscale, 2024, 16, 3936 DOI: 10.1039/D4NR00147H

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