Issue 3, 2018

Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

Abstract

A new carbon allotrope, graphdiyne (GDY), with a highly π-conjugated structure of sp- and sp2-hybridized carbon networks, has recently emerged and been used as a superior carbon additive to boost the activity of water oxidation catalysts. In this work, a hybrid GDY/NiFe-LDH electrocatalyst was prepared by a facile hydrothermal treatment, which shows an outstanding catalytic activity with a low overpotential of 260 mV at 10 mA cm−2 catalytic current density and good durability towards oxygen evolution in 1.0 M KOH solution. Density functional theory (DFT) calculations prove that the sp- and sp2-hybridized GDY shows both superior electron capture and excellent electron transfer ability compared to that of the conventional sp2-hybridized carbon materials.

Graphical abstract: Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

Supplementary files

Article information

Article type
Communication
Submitted
06 Feb 2018
Accepted
14 Mar 2018
First published
15 Mar 2018

Nanoscale Horiz., 2018,3, 317-326

Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

P. Kuang, B. Zhu, Y. Li, H. Liu, J. Yu and K. Fan, Nanoscale Horiz., 2018, 3, 317 DOI: 10.1039/C8NH00027A

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