Graphdiyne-Supported NiFe Layered Double Hydroxide Nanosheets as Functional Electrocatalysts for Oxygen Evolution

ACS Applied Materials & Interfaces
Guodong ShiMingjian Yuan

Abstract

Graphdiyne (GDY), a novel two-dimensional full-carbon material, has attracted lots of attention because of its high conjugated system comprising sp2 and sp-hybridized carbons. The distinctive structure characteristics endow it unique electronic structure, uniform distributed pores and excellent chemical stability. A novel GDY-supported NiFe layered double hydroxide (LDH) composite was successfully prepared for the first time. By taking advantage of the increased surface active areas and improved conductivity, the designed hierarchical GDY@NiFe composite exhibits outstanding catalytic activity that only required a small overpotential about 260 mV to achieve the current density of 10 mA cm-2. The nanocomposite shows excellent durability in alkaline medium implying a superior OER electrocatalytic activity. It is anticipated that the as-prepared GDY@NiFe composite electrocatalyst provide new insights in designing graphdiyne-supported electrocatalyst materials for oxygen evolution application.

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Citations

Jul 25, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Jiang-Yan XueJian-Ping Lang
Feb 20, 2020·Chemical Communications : Chem Comm·Zhaohui ZhangYingjie Zhao
Jul 2, 2021·Chemistry, an Asian Journal·Lei GaoChangshui Huang
Apr 10, 2019·ACS Applied Materials & Interfaces·Shu WangKirk S Schanze
Jul 27, 2018·Chemical Reviews·Changshui HuangYuliang Li

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