期刊
INORGANIC CHEMISTRY FRONTIERS
卷 5, 期 11, 页码 2964-2970出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8qi00867a
关键词
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资金
- National Natural Science Foundation of China for Youths [21601067, 21506081, 21501112, 51603092]
- Natural Science Foundation of the Jiangsu Province for Youths [BK20160492]
- Natural Science Foundation of Shandong Province [ZR2018JL009]
- University Natural Science Research of Jiangsu [16KJB150008]
- Funding for Scientific Research Startup of Jiangsu University [15JDG161]
- Priority Academic Program Development of the Jiangsu Higher Education Institutions
The development of inexpensive and bifunctional electrocatalysts based on earth-abundant elements for electrocatalytic water splitting, including the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), is of great significance. Herein, a new type of CoMo-LDH ultrathin nanosheet was synthesized as a bifunctional electrocatalyst with both OER and HER activity for full water splitting. Benefiting from the ultrathin structure and the tuned electronic structure by the doping of Mo6+, the catalyst exhibits superior OER performance with an overpotential of 290 mV to deliver a current density of 10 mA cm(-2). When acting as a HER catalyst, the catalyst shows a low overpotential of 115 mV achieving a current density of 10 mA cm(-2). Furthermore, the catalyst also shows bifunctional catalytic activity with a voltage of 1.63 V at 10 mA cm(-2) and exhibits excellent stability for 30 h when used in the full water splitting cell. Thus, the novel CoMo-LDH ultrathin nanosheet provides a guideline for the future design of highly active and bifunctional materials for water splitting.
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