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Issue 2, 2019
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Two-dimensional π-conjugated metal–organic nanosheets as single-atom catalysts for the hydrogen evolution reaction

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Abstract

The design and synthesis of electrocatalysts with controllable active sites are highly desirable for producing hydrogen. Inspired by the experimental realization of two-dimensional metal–organic framework (2D-MOF) nanosheets, a computational screening was performed to find out the optimal single-atom catalysts for the hydrogen evolution reaction (HER) from 36 2D-MOFs composed of transition metal and benzene-like molecular ligands. Through first-principles calculations, six configurations were identified as potential catalysts for the HER with performance comparable to those of Pt-based catalysts due to the near-zero Gibbs free energy and favourable activation barriers originating from their appropriate d-orbital bonding mechanism with atomic hydrogen.

Graphical abstract: Two-dimensional π-conjugated metal–organic nanosheets as single-atom catalysts for the hydrogen evolution reaction

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Article information


Submitted
21 Jul 2018
Accepted
11 Sep 2018
First published
12 Sep 2018

Nanoscale, 2019,11, 454-458
Article type
Paper

Two-dimensional π-conjugated metal–organic nanosheets as single-atom catalysts for the hydrogen evolution reaction

Y. Ji, H. Dong, C. Liu and Y. Li, Nanoscale, 2019, 11, 454
DOI: 10.1039/C8NR05900D

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