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Padinjareveetil AK, Perales-Rondon JV, Zaoralová D, Otyepka M, Alduhaish O, Pumera M. Fe-MOF Catalytic Nanoarchitectonic toward Electrochemical Ammonia Production. ACS APPLIED MATERIALS & INTERFACES 2023; 15:47294-47306. [PMID: 37782845 PMCID: PMC10571008 DOI: 10.1021/acsami.3c12822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 10/04/2023]
Abstract
Electrochemical reduction of nitrate into ammonia has lately been identified as one among the promising solutions to address the challenges triggered by the growing global energy demand. Exploring newer electrocatalyst materials is vital to make this process effective and feasible. Recently, metal-organic framework (MOF)-based catalysts are being well investigated for electrocatalytic ammonia synthesis, accounting for their enhanced structural and compositional integrity during catalytic reduction reactions. In this study, we investigate the ability of the PCN-250-Fe3 MOF toward ammonia production in its pristine and activated forms. The activated MOF catalyst delivered a faradaic efficiency of about 90% at -1 V vs RHE and a yield rate of 2.5 × 10-4 mol cm-2 h-1, while the pristine catalyst delivered a 60% faradaic efficiency at the same potential. Theoretical studies further provide insights into the nitrate reduction reaction mechanism catalyzed by the PCN-250-Fe3 MOF catalyst. In short, simpler and cost-effective strategies such as pretreatment of electrocatalysts have an upper hand in aggravating the intrinsic material properties, for catalytic applications, when compared to conventional material modification approaches.
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Affiliation(s)
- Akshay
Kumar K. Padinjareveetil
- Future
Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, Brno 612 00, Czech Republic
| | - Juan V. Perales-Rondon
- Future
Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, Brno 612 00, Czech Republic
| | - Dagmar Zaoralová
- IT4Innovations,
VŠB − Technical University of Ostrava, Ostrava-Poruba 708 00, Czech Republic
| | - Michal Otyepka
- IT4Innovations,
VŠB − Technical University of Ostrava, Ostrava-Poruba 708 00, Czech Republic
- Regional
Centre of Advanced Technologies and Materials, Czech Advanced Technology
and Research Institute (CATRIN), Palacký
University Olomouc, Olomouc 783 71, Czech Republic
| | - Osamah Alduhaish
- Chemistry
Department, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Martin Pumera
- Future
Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, Brno 612 00, Czech Republic
- Chemistry
Department, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Faculty
of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, 17. listopadu 2172/15, Ostrava 708 00, Czech Republic
- Department
of Paediatrics and Inherited Metabolic Disorders, First Faculty of
Medicine, Charles University Prague, KeKarlovu 2, Prague 128 08, Czech Republic
- Department
of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan
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A zirconium–organic framework nanosheet-based aptasensor with outstanding electrochemical sensing performance. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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