Affiliation:
1. Department of Chemistry Sidho-Kanho-Birsha University 723104 Purulia WB India
2. Department of Chemistry Indian Institution of Engineering Science and Technology 711103 Shibpur, Howrah India
3. Dipartimento S.C.V.S.A. Università di Parma Parco Area delle Scienze 17/A 43124 Parma Italy
4. Department of Chemistry Kazi Nazrul University 713340 Asansol WB India
Abstract
AbstractIn this research, highly efficient heterogeneous bifunctional (BF) electrocatalysts (ECs) have been strategically designed by Fe coordination (CR) complexes, [Fe2L2(H2O)2Cl2] (C1) and [Fe2L2(H2O)2(SO4)].2(CH4O) (C2) where the high seven CR number synergistically modifies the electronic environment of the Fe centre for facilitation of H2O electrolysis. The electronic status of Fe and its adjacent atomic sites have been further modified by the replacement of −Cl− in C1 by −SO42− in C2. Interestingly, compared to C1, the O−S−O bridged C2 reveals superior BF activity with extremely low overpotential (η) at 10 mA cm−2 (140 mVOER, 62 mVHER) and small Tafel slope (120.9 mV dec−1OER, 45.8 mV dec−1HER). Additionally, C2 also facilitates a high‐performance alkaline H2O electrolyzer with cell voltage of 1.54 V at 10 mA cm−2 and exhibits remarkable long‐term stability. Thus, exploration of the intrinsic properties of metal–organic framework (MOF)‐based ECs opens up a new approach to the rational design of a wide range of molecular catalysts.
Reference71 articles.
1. IEA Paris “World Energy Outlook 2007′′ https://www.iea.org/reports/world-energy-outlook-2007 License: CC BY 4.0 2007.
2. Boosting electrochemical water oxidation: the merits of heterostructured electrocatalysts
3. Advancing the Electrochemistry of the Hydrogen‐Evolution Reaction through Combining Experiment and Theory
4. EU Green Deal Europe https://commission.europa.eu/strategy-and-policy/priorities-2019-2024/european-green-deal_en 2020.
5.
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献