Interdiffusion Reaction-Assisted Hybridization of Two-Dimensional Metal-Organic Frameworks and Ti3 C2 Tx Nanosheets for Electrocatalytic Oxygen Evolution

ACS Nano
Li ZhaoWei Huang

Abstract

Two-dimensional (2D) metal-organic framework (MOF) nanosheets have been recently regarded as the model electrocatalysts due to their porous structure, fast mass and ion transfer through the thickness, and large portion of exposed active metal centers. Combining them with electrically conductive 2D nanosheets is anticipated to achieve further improved performance in electrocatalysis. In this work, we in situ hybridized 2D cobalt 1,4-benzenedicarboxylate (CoBDC) with Ti3C2Tx (the MXene phase) nanosheets via an interdiffusion reaction-assisted process. The resulting hybrid material was applied in the oxygen evolution reaction and achieved a current density of 10 mA cm-2 at a potential of 1.64 V vs reversible hydrogen electrode and a Tafel slope of 48.2 mV dec-1 in 0.1 M KOH. These results outperform those obtained by the standard IrO2-based catalyst and are comparable with or even better than those achieved by the previously reported state-of-the-art transition-metal-based catalysts. While the CoBDC layer provided the highly porous structure and large active surface area, the electrically conductive and hydrophilic Ti3C2Tx nanosheets enabled the rapid charge and ion transfer across the well-defined Ti3C2Tx-CoBDC interface and faci...Continue Reading

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Citations

Oct 27, 2017·Chemistry : a European Journal·Seung Mi OhSeong-Ju Hwang
Sep 21, 2017·Chemical Communications : Chem Comm·Dongdong ZhuShi-Zhang Qiao
Jun 7, 2018·Advanced Materials·Wenguang TuRong Xu
Jul 5, 2018·Chemical Society Reviews·Meiting ZhaoHua Zhang
Apr 25, 2018·Chemistry : a European Journal·Qi ShaoXiaoqing Huang
Jul 1, 2018·Chemistry : a European Journal·Tao Meng, Minhua Cao
Sep 18, 2018·Chemistry : a European Journal·David J AshworthJonathan A Foster
Jan 12, 2019·Chemical Communications : Chem Comm·Chuang WangKe-Ning Sun
Mar 23, 2019·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jinwen QinMinhua Cao
Jun 20, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Rajat K TripathyJ N Behera
Aug 21, 2019·Chemistry, an Asian Journal·Juan LiuRoland A Fischer
Apr 22, 2020·Chemistry : a European Journal·Jingquan LiuWeiguo Huang
Jun 20, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Lu HeYuhui Chen
Sep 18, 2020·Chemical Communications : Chem Comm·Subhabrata MukhopadhyaySamar K Das
May 1, 2018·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Panyong KuangKe Fan
Dec 14, 2019·Advanced Science·Guijian Guan, Ming-Yong Han
Apr 7, 2020·Chemical Society Reviews·Jiashen MengLiqiang Mai

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