1
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Heppe N, Gallenkamp C, Snitkoff-Sol RZ, Paul SD, Segura-Salas N, Haak H, Moritz DC, Kaiser B, Jaegermann W, Potapkin V, Jafari A, Schünemann V, Leupold O, Elbaz L, Krewald V, Kramm UI. Applying Nuclear Forward Scattering as In Situ and Operando Tool for the Characterization of FeN 4 Moieties in the Hydrogen Evolution Reaction. J Am Chem Soc 2024; 146:12496-12510. [PMID: 38630640 PMCID: PMC11082898 DOI: 10.1021/jacs.4c00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024]
Abstract
Nuclear forward scattering (NFS) is a synchrotron-based technique relying on the recoil-free nuclear resonance effect similar to Mössbauer spectroscopy. In this work, we introduce NFS for in situ and operando measurements during electrocatalytic reactions. The technique enables faster data acquisition and better discrimination of certain iron sites in comparison to Mössbauer spectroscopy. It is directly accessible at various synchrotrons to a broad community of researchers and is applicable to multiple metal isotopes. We demonstrate the power of this technique with the hydrogen evolution mechanism of an immobilized iron porphyrin supported on carbon. Such catalysts are often considered as model systems for iron-nitrogen-carbon (FeNC) catalysts. Using in situ and operando NFS in combination with theoretical predictions of spectroscopic data enables the identification of the intermediate that is formed prior to the rate-determining step. The conclusions on the reaction mechanism can be used for future optimization of immobilized molecular catalysts and metal-nitrogen-carbon (MNC) catalysts.
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Affiliation(s)
- Nils Heppe
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Charlotte Gallenkamp
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
- Quantum
Chemistry, Eduard-Zintl-Institute of Inorganic and Physical Chemistry,
Department of Chemistry, Technical University
Darmstadt, Peter-Grünberg-Str.
4, 64287 Darmstadt, Germany
| | - Rifael Z. Snitkoff-Sol
- Bar-Ilan
Center for Nanotechnology and Advanced Materials and the Department
of Chemistry, Bar-Ilan University, Ramat-Gan 529002, Israel
| | - Stephen D. Paul
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Nicole Segura-Salas
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Hendrik Haak
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Dominik C. Moritz
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Bernhard Kaiser
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Wolfram Jaegermann
- Surface
Science Division, Institute of Materials Science, Department of Materials
and Earth Sciences, Technical University
Darmstadt, Otto-Berndt-Str.
3, 64287 Darmstadt, Germany
| | - Vasily Potapkin
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
| | - Atefeh Jafari
- Deutsches
Elektronen-Synchrotron, Notkestraße 85, 22607 Hamburg, Germany
| | - Volker Schünemann
- Department
of Physics, University of Kaiserslautern-Landau, Erwin-Schrödinger Straße
56, 67663 Kaiserslautern, Germany
| | - Olaf Leupold
- Deutsches
Elektronen-Synchrotron, Notkestraße 85, 22607 Hamburg, Germany
| | - Lior Elbaz
- Bar-Ilan
Center for Nanotechnology and Advanced Materials and the Department
of Chemistry, Bar-Ilan University, Ramat-Gan 529002, Israel
| | - Vera Krewald
- Quantum
Chemistry, Eduard-Zintl-Institute of Inorganic and Physical Chemistry,
Department of Chemistry, Technical University
Darmstadt, Peter-Grünberg-Str.
4, 64287 Darmstadt, Germany
| | - Ulrike I. Kramm
- Catalysts
and Electrocatalysts, Eduard-Zintl-Institute of Inorganic and Physical
Chemistry, Department of Chemistry, Technical
University Darmstadt, Otto-Berndt-Str. 3, 64287 Darmstadt, Germany
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2
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Heppe N, Gallenkamp C, Paul S, Segura-Salas N, von Rhein N, Kaiser B, Jaegermann W, Jafari A, Sergueev I, Krewald V, Kramm UI. Substituent Effects in Iron Porphyrin Catalysts for the Hydrogen Evolution Reaction. Chemistry 2023; 29:e202202465. [PMID: 36301727 DOI: 10.1002/chem.202202465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/07/2022]
Abstract
For a future hydrogen economy, non-precious metal catalysts for the water splitting reactions are needed that can be implemented on a global scale. Metal-nitrogen-carbon (MNC) catalysts with active sites constituting a metal center with fourfold coordination of nitrogen (MN4 ) show promising performance, but an optimization rooted in structure-property relationships has been hampered by their low structural definition. Porphyrin model complexes are studied to transfer insights from well-defined molecules to MNC systems. This work combines experiment and theory to evaluate the influence of porphyrin substituents on the electronic and electrocatalytic properties of MN4 centers with respect to the hydrogen evolution reaction (HER) in aqueous electrolyte. We found that the choice of substituent affects their utilization on the carbon support and their electrocatalytic performance. We propose an HER mechanism for supported iron porphyrin complexes involving a [FeII (P⋅)]- radical anion intermediate, in which a porphinic nitrogen atom acts as an internal base. While this work focuses on the HER, the limited influence of a simultaneous interaction with the support and an aqueous electrolyte will likely be transferrable to other catalytic applications.
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Affiliation(s)
- Nils Heppe
- Catalysts and Electrocatalysts, Department of Chemistry, Eduard-Zintl-Insitute for Inorganic and Physical Chemistry, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
| | - Charlotte Gallenkamp
- Catalysts and Electrocatalysts, Department of Chemistry, Eduard-Zintl-Insitute for Inorganic and Physical Chemistry, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany.,Department of Chemistry, Theoretical Chemistry, Technical University Darmstadt, Alarich-Weiss-Str. 4, 64287, Darmstadt, Germany
| | - Stephen Paul
- Catalysts and Electrocatalysts, Department of Chemistry, Eduard-Zintl-Insitute for Inorganic and Physical Chemistry, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
| | - Nicole Segura-Salas
- Catalysts and Electrocatalysts, Department of Chemistry, Eduard-Zintl-Insitute for Inorganic and Physical Chemistry, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
| | - Niklas von Rhein
- Department of Chemistry, Theoretical Chemistry, Technical University Darmstadt, Alarich-Weiss-Str. 4, 64287, Darmstadt, Germany
| | - Bernhard Kaiser
- Institute of Materials Science, Surface Science Division, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
| | - Wolfram Jaegermann
- Institute of Materials Science, Surface Science Division, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
| | - Atefeh Jafari
- Deutsches Elektronen-Synchrotron, Notkestraße 85, 22607, Hamburg, Germany
| | - Ilya Sergueev
- Deutsches Elektronen-Synchrotron, Notkestraße 85, 22607, Hamburg, Germany
| | - Vera Krewald
- Department of Chemistry, Theoretical Chemistry, Technical University Darmstadt, Alarich-Weiss-Str. 4, 64287, Darmstadt, Germany
| | - Ulrike I Kramm
- Catalysts and Electrocatalysts, Department of Chemistry, Eduard-Zintl-Insitute for Inorganic and Physical Chemistry, Technical University Darmstadt, Otto-Berndt-Str. 3, 64287, Darmstadt, Germany
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3
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Density Functional Theory Study on NiNx (x = 1, 2, 3, 4) Catalytic Hydrogenation of Acetylene. Molecules 2022; 27:molecules27175437. [PMID: 36080205 PMCID: PMC9457964 DOI: 10.3390/molecules27175437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/11/2022] [Accepted: 08/23/2022] [Indexed: 11/21/2022] Open
Abstract
In this study, using the application of density functional theory, the mechanism of graphene-NiNx (x = 1, 2, 3, 4) series non-noble metal catalysts in acetylene hydrogenation was examined under the B3LYP/6-31G** approach. With the DFT-D3 density functional dispersion correction, the effective core pseudopotential basis set of LANL2DZ was applied to metallic Ni atoms. The reaction energy barriers of NiNx catalysts are different from the co-adsorption structure during the catalytic hydrogenation of graphene-NiNx (x = 1, 2, 3, 4). The calculated results showed that the energy barrier and selectivity of graphene-NiN4 for ethylene production were 25.24 kcal/mol and 26.35 kcal/mol, respectively. The low energy barrier and high activity characteristics showed excellent catalytic performance of the catalyst. Therefore, graphene-NiN4 provides an idea for the direction of catalytic hydrogenation.
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4
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He T, Chen Y, Liu Q, Lu B, Song X, Liu H, Liu M, Liu YN, Zhang Y, Ouyang X, Chen S. Theory-Guided Regulation of FeN 4 Spin State by Neighboring Cu Atoms for Enhanced Oxygen Reduction Electrocatalysis in Flexible Metal-Air Batteries. Angew Chem Int Ed Engl 2022; 61:e202201007. [PMID: 35468253 DOI: 10.1002/anie.202201007] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Indexed: 01/11/2023]
Abstract
Iron, nitrogen-codoped carbon (Fe-N-C) nanocomposites have emerged as viable electrocatalysts for the oxygen reduction reaction (ORR) due to the formation of FeNx Cy coordination moieties. In this study, results from first-principles calculations show a nearly linear correlation of the energy barriers of key reaction steps with the Fe magnetic moment. Experimentally, when single Cu sites are incorporated into Fe-N-C aerogels (denoted as NCAG/Fe-Cu), the Fe centers exhibit a reduced magnetic moment and markedly enhanced ORR activity within a wide pH range of 0-14. With the NCAG/Fe-Cu nanocomposites used as the cathode catalyst in a neutral/quasi-solid aluminum-air and alkaline/quasi-solid zinc-air battery, both achieve a remarkable performance with an ultrahigh open-circuit voltage of 2.00 and 1.51 V, large power density of 130 and 186 mW cm-2 , and good mechanical flexibility, all markedly better than those with commercial Pt/C or Pt/C-RuO2 catalysts at the cathode.
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Affiliation(s)
- Ting He
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China.,School of Materials Science and Engineering, Xiangtan University Yuhu District, Xiangtan, Hunan, 411105, China
| | - Yang Chen
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China
| | - Qiming Liu
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
| | - Bingzhang Lu
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
| | - Xianwen Song
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China
| | - Hongtao Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China
| | - Min Liu
- School of Physics and Electronics, Central South University, Changsha, Hunan, 410083, China
| | - You-Nian Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China
| | - Yi Zhang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, 932 Lushan South Road, Changsha, Hunan, 410083, China.,Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, Henan, 450002, China
| | - Xiaoping Ouyang
- School of Materials Science and Engineering, Xiangtan University Yuhu District, Xiangtan, Hunan, 411105, China
| | - Shaowei Chen
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
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5
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He T, Chen Y, Liu Q, Lu B, Song X, Liu H, Liu M, Liu Y, Zhang Y, Ouyang X, Chen S. Theory‐Guided Regulation of FeN
4
Spin State by Neighboring Cu Atoms for Enhanced Oxygen Reduction Electrocatalysis in Flexible Metal–Air Batteries. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ting He
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
- School of Materials Science and Engineering Xiangtan University Yuhu District Xiangtan Hunan 411105 China
| | - Yang Chen
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
| | - Qiming Liu
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
| | - Bingzhang Lu
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
| | - Xianwen Song
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
| | - Hongtao Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
| | - Min Liu
- School of Physics and Electronics Central South University Changsha Hunan 410083 China
| | - You‐Nian Liu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
| | - Yi Zhang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science College of Chemistry and Chemical Engineering Central South University 932 Lushan South Road Changsha Hunan 410083 China
- Key Laboratory of Materials Processing and Mold, Ministry of Education Zhengzhou University Zhengzhou, Henan 450002 China
| | - Xiaoping Ouyang
- School of Materials Science and Engineering Xiangtan University Yuhu District Xiangtan Hunan 411105 China
| | - Shaowei Chen
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
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6
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Saveleva VA, Ebner K, Ni L, Smolentsev G, Klose D, Zitolo A, Marelli E, Li J, Medarde M, Safonova OV, Nachtegaal M, Jaouen F, Kramm UI, Schmidt TJ, Herranz J. Potential-Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X-ray Emission Spectroscopy. Angew Chem Int Ed Engl 2021; 60:11707-11712. [PMID: 33605017 DOI: 10.1002/anie.202016951] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/09/2021] [Indexed: 11/12/2022]
Abstract
The commercial success of the electrochemical energy conversion technologies required for the decarbonization of the energy sector requires the replacement of the noble metal-based electrocatalysts currently used in (co-)electrolyzers and fuel cells with inexpensive, platinum-group metal-free analogs. Among these, Fe/N/C-type catalysts display promising performances for the reduction of O2 or CO2 , but their insufficient activity and stability jeopardize their implementation in such devices. To circumvent these issues, a better understanding of the local geometric and electronic structure of their catalytic active sites under reaction conditions is needed. Herein we shed light on the electronic structure of the molecular sites in two Fe/N/C catalysts by probing their average spin state with X-ray emission spectroscopy (XES). Chiefly, our in situ XES measurements reveal for the first time the existence of reversible, potential-induced spin state changes in these materials.
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Affiliation(s)
| | - Kathrin Ebner
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Lingmei Ni
- Technische Universität Darmstadt, Department of Chemistry and Department of Materials- and Earth Sciences, Otto-Berndt-Strasse 3, 64287, Darmstadt, Germany
| | - Grigory Smolentsev
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Daniel Klose
- ETH Zürich, Departement of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - Andrea Zitolo
- Synchrotron SOLEIL, L'orme des Merisiers, BP 48, Saint Aubin, 91192, Gif-sur-Yvette, France
| | - Elena Marelli
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Jingkun Li
- ICGM, Univ. Montpellier, CNRS, ENSCM, Montpellier, France
| | - Marisa Medarde
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Olga V Safonova
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Maarten Nachtegaal
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | | | - Ulrike I Kramm
- Technische Universität Darmstadt, Department of Chemistry and Department of Materials- and Earth Sciences, Otto-Berndt-Strasse 3, 64287, Darmstadt, Germany
| | - Thomas J Schmidt
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland.,ETH Zürich, Departement of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - Juan Herranz
- Paul Scherrer Institut, Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
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7
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Saveleva VA, Ebner K, Ni L, Smolentsev G, Klose D, Zitolo A, Marelli E, Li J, Medarde M, Safonova OV, Nachtegaal M, Jaouen F, Kramm UI, Schmidt TJ, Herranz J. Potential‐Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X‐ray Emission Spectroscopy. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016951] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Kathrin Ebner
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - Lingmei Ni
- Technische Universität Darmstadt Department of Chemistry and Department of Materials- and Earth Sciences Otto-Berndt-Strasse 3 64287 Darmstadt Germany
| | - Grigory Smolentsev
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - Daniel Klose
- ETH Zürich Departement of Chemistry and Applied Biosciences Vladimir-Prelog-Weg 2 8093 Zürich Switzerland
| | - Andrea Zitolo
- Synchrotron SOLEIL L'orme des Merisiers, BP 48, Saint Aubin 91192 Gif-sur-Yvette France
| | - Elena Marelli
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - Jingkun Li
- ICGM Univ. Montpellier CNRS ENSCM Montpellier France
| | - Marisa Medarde
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - Olga V. Safonova
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | - Maarten Nachtegaal
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
| | | | - Ulrike I. Kramm
- Technische Universität Darmstadt Department of Chemistry and Department of Materials- and Earth Sciences Otto-Berndt-Strasse 3 64287 Darmstadt Germany
| | - Thomas J. Schmidt
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
- ETH Zürich Departement of Chemistry and Applied Biosciences Vladimir-Prelog-Weg 2 8093 Zürich Switzerland
| | - Juan Herranz
- Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen PSI Switzerland
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8
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Jia Y, Xiong X, Wang D, Duan X, Sun K, Li Y, Zheng L, Lin W, Dong M, Zhang G, Liu W, Sun X. Atomically Dispersed Fe-N 4 Modified with Precisely Located S for Highly Efficient Oxygen Reduction. NANO-MICRO LETTERS 2020; 12:116. [PMID: 34138133 PMCID: PMC7770948 DOI: 10.1007/s40820-020-00456-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 02/28/2020] [Indexed: 05/28/2023]
Abstract
Immobilizing metal atoms by multiple nitrogen atoms has triggered exceptional catalytic activity toward many critical electrochemical reactions due to their merits of highly unsaturated coordination and strong metal-substrate interaction. Herein, atomically dispersed Fe-NC material with precise sulfur modification to Fe periphery (termed as Fe-NSC) was synthesized, X-ray absorption near edge structure analysis confirmed the central Fe atom being stabilized in a specific configuration of Fe(N3)(N-C-S). By enabling precisely localized S doping, the electronic structure of Fe-N4 moiety could be mediated, leading to the beneficial adjustment of absorption/desorption properties of reactant/intermediate on Fe center. Density functional theory simulation suggested that more negative charge density would be localized over Fe-N4 moiety after S doping, allowing weakened binding capability to *OH intermediates and faster charge transfer from Fe center to O species. Electrochemical measurements revealed that the Fe-NSC sample exhibited significantly enhanced oxygen reduction reaction performance compared to the S-free Fe-NC material (termed as Fe-NC), showing an excellent onset potential of 1.09 V and half-wave potential of 0.92 V in 0.1 M KOH. Our work may enlighten relevant studies regarding to accessing improvement on the catalytic performance of atomically dispersed M-NC materials by managing precisely tuned local environments of M-Nx moiety.
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Affiliation(s)
- Yin Jia
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Xuya Xiong
- Interdisciplinary Nanoscience Center (INANO), Sino-Danish Center for Education and Research (SDC), Aarhus University, 8000, Aarhus C, Denmark
| | - Danni Wang
- Shandong University of Science and Technology, Electrical Engineering and Automation, Tsingtao, 266590, People's Republic of China
| | - Xinxuan Duan
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Kai Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Yajie Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Wenfeng Lin
- Department of Chemical Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (INANO), Sino-Danish Center for Education and Research (SDC), Aarhus University, 8000, Aarhus C, Denmark
| | - Guoxin Zhang
- Shandong University of Science and Technology, Electrical Engineering and Automation, Tsingtao, 266590, People's Republic of China.
| | - Wen Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Xiaoming Sun
- State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
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9
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Heinz Maier‐Leibnitz Awards 2020. Angew Chem Int Ed Engl 2020; 59:6961. [DOI: 10.1002/anie.202003387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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10
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Heinz‐Maier‐Leibnitz‐Preise 2020. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Kumar K, Dubau L, Mermoux M, Li J, Zitolo A, Nelayah J, Jaouen F, Maillard F. On the Influence of Oxygen on the Degradation of Fe‐N‐C Catalysts. Angew Chem Int Ed Engl 2020; 59:3235-3243. [DOI: 10.1002/anie.201912451] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Kavita Kumar
- Univ. Grenoble AlpesUniv. Savoie Mont BlancCNRSGrenoble INPLEPMI 38000 Grenoble France
| | - Laetitia Dubau
- Univ. Grenoble AlpesUniv. Savoie Mont BlancCNRSGrenoble INPLEPMI 38000 Grenoble France
| | - Michel Mermoux
- Univ. Grenoble AlpesUniv. Savoie Mont BlancCNRSGrenoble INPLEPMI 38000 Grenoble France
| | - Jingkun Li
- CNRSUniversité de MontpellierENSCMInstitut Charles Gerhardt Montpellier UMR 5253 2 Place Eugène Bataillon 34095 Montpellier France
| | - Andrea Zitolo
- Synchrotron SOLEIL L'orme des Merisiers, BP 48 Saint Aubin 91192 Gif-sur-Yvette France
| | - Jaysen Nelayah
- Université de ParisLaboratoire Matériaux et Phénomènes QuantiquesCNRS 75013 Paris France
| | - Frédéric Jaouen
- CNRSUniversité de MontpellierENSCMInstitut Charles Gerhardt Montpellier UMR 5253 2 Place Eugène Bataillon 34095 Montpellier France
| | - Frédéric Maillard
- Univ. Grenoble AlpesUniv. Savoie Mont BlancCNRSGrenoble INPLEPMI 38000 Grenoble France
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Kumar K, Dubau L, Mermoux M, Li J, Zitolo A, Nelayah J, Jaouen F, Maillard F. On the Influence of Oxygen on the Degradation of Fe‐N‐C Catalysts. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201912451] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kavita Kumar
- Univ. Grenoble Alpes Univ. Savoie Mont Blanc CNRS Grenoble INP LEPMI 38000 Grenoble France
| | - Laetitia Dubau
- Univ. Grenoble Alpes Univ. Savoie Mont Blanc CNRS Grenoble INP LEPMI 38000 Grenoble France
| | - Michel Mermoux
- Univ. Grenoble Alpes Univ. Savoie Mont Blanc CNRS Grenoble INP LEPMI 38000 Grenoble France
| | - Jingkun Li
- CNRS Université de Montpellier ENSCM Institut Charles Gerhardt Montpellier UMR 5253 2 Place Eugène Bataillon 34095 Montpellier France
| | - Andrea Zitolo
- Synchrotron SOLEIL L'orme des Merisiers, BP 48 Saint Aubin 91192 Gif-sur-Yvette France
| | - Jaysen Nelayah
- Université de Paris Laboratoire Matériaux et Phénomènes Quantiques CNRS 75013 Paris France
| | - Frédéric Jaouen
- CNRS Université de Montpellier ENSCM Institut Charles Gerhardt Montpellier UMR 5253 2 Place Eugène Bataillon 34095 Montpellier France
| | - Frédéric Maillard
- Univ. Grenoble Alpes Univ. Savoie Mont Blanc CNRS Grenoble INP LEPMI 38000 Grenoble France
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