1
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Somachandra MS, Averkiev B, Sues PE. Unsymmetric Co-Facial "Salixpyrrole" Hydrogen Evolution Catalysts: Two Metals are Better than One. Inorg Chem 2024; 63:13346-13357. [PMID: 38989677 DOI: 10.1021/acs.inorgchem.4c01101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Designing ligand architectures that can mimic enzyme active sites is a promising approach for developing efficient small molecule activation catalysts for sustainable energy applications. Some key design features include chemically distinct binding pockets for multiple metal centers and a three-dimensional structure that controls the positioning of catalytic sites. With these principles in mind, mono- and bimetallic unsymmetric cofacial palladium complexes, 2 and 3, respectively, bearing ligands with calixpyrrole and salen coordination sites, or "salixpyrrole" ligands, are reported. These species were accessed in a straightforward Schiff-base reaction with appreciable yields. In addition, both 2 and 3 were found to be active hydrogen evolution electrocatalysts using para-toluenesulfonic acid monohydrate as the proton source. The two salixpyrrole species displayed different mechanisms of action, with 2 showing a second-order dependence on acid concentration, whereas 3 exhibited a first-order dependence. Moreover, the bimetallic catalyst was significantly more efficient, with higher turnover frequencies, 4640 s-1 vs 1680 s-1 for 2, and lower overpotentials, 0.39 V vs 0.69 V for 2. The results reported herein provide proof-of-concept that bimetallic catalysts with chemically distinct binding sites demonstrate enhanced catalytic properties in comparison to monometallic or symmetric analogues.
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Affiliation(s)
| | - Boris Averkiev
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66503, United States
| | - Peter E Sues
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66503, United States
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2
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Li C, Chen Q, Zheng R, Huan J, Bai J, Zhu L, Huang Y, Zhu X, Sun Y. Regulation of Sulfur Atoms in MoS x by Magneto-Electrodeposition for Hydrogen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308729. [PMID: 38078778 DOI: 10.1002/smll.202308729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/22/2023] [Indexed: 05/25/2024]
Abstract
Compared with crystalline molybdenum sulfide (MoS2) employed as an efficient hydrogen evolution reaction (HER) catalyst, amorphous MoSx exhibits better activity. To synthesize amorphous MoSx, electrodeposition serving as a convenient and time-saving method is successfully applied. However, the loading mass is hindered by limited mass transfer efficiency and the available active sites require further improvement. Herein, magneto-electrodeposition is developed to synthesize MoSx with magnetic fields up to 9 T to investigate the effects of a magnetic field in the electrodeposition processing, as well as the induced electrochemical performance. Owing to the magneto-hydrodynamic effect, the loading mass of MoSx is obviously increased, and the terminal S2- serving as the active site is enhanced. The optimized MoSx catalyst delivers outstanding HER performance, achieving an overpotential of 50 mV at a current density of 10 mA cm-2 and the corresponding Tafel slope of 59 mV dec-1. The introduction of a magnetic field during the electrodeposition process will provide a novel route to prepare amorphous MoSx with improved electrochemical performance.
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Affiliation(s)
- Changdian Li
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Qian Chen
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ruobing Zheng
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jie Huan
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jin Bai
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Lili Zhu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Yanan Huang
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Xuebin Zhu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Yuping Sun
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P. R. China
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Nishiori D, Menzel JP, Armada N, Reyes Cruz EA, Nannenga BL, Batista VS, Moore GF. Breaking a Molecular Scaling Relationship Using an Iron-Iron Fused Porphyrin Electrocatalyst for Oxygen Reduction. J Am Chem Soc 2024; 146:11622-11633. [PMID: 38639470 DOI: 10.1021/jacs.3c08586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
The design of efficient electrocatalysts is limited by scaling relationships governing trade-offs between thermodynamic and kinetic performance metrics. This ″iron law″ of electrocatalysis arises from synthetic design strategies, where structural alterations to a catalyst must balance nucleophilic versus electrophilic character. Efforts to circumvent this fundamental impasse have focused on bioinspired applications of extended coordination spheres and charged sites proximal to a catalytic center. Herein, we report evidence for breaking a molecular scaling relationship involving electrocatalysis of the oxygen reduction reaction (ORR) by leveraging ligand design. We achieve this using a binuclear catalyst (a diiron porphyrin), featuring a macrocyclic ligand with extended electronic conjugation. This ligand motif delocalizes electrons across the molecular scaffold, improving the catalyst's nucleophilic and electrophilic character. As a result, our binuclear catalyst exhibits low overpotential and high catalytic turnover frequency, breaking the traditional trade-off between these two metrics.
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Affiliation(s)
- Daiki Nishiori
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
- Center for Applied Structural Discovery (CASD), The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
| | - Jan Paul Menzel
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Nicholas Armada
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
- Center for Applied Structural Discovery (CASD), The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
| | - Edgar A Reyes Cruz
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
- Center for Applied Structural Discovery (CASD), The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
| | - Brent L Nannenga
- Center for Applied Structural Discovery (CASD), The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
- Chemical Engineering, School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona 85287, United States
| | - Victor S Batista
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
- Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Gary F Moore
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
- Center for Applied Structural Discovery (CASD), The Biodesign Institute, Arizona State University, Tempe, Arizona 85281, United States
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4
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Xue H, Wu ZY, Zhang JL. Fluorination of porphyrin β-periphery boosts nickel(II)-catalyzed hydrogen evolution reaction. J Inorg Biochem 2024; 254:112516. [PMID: 38471287 DOI: 10.1016/j.jinorgbio.2024.112516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024]
Abstract
Tunichlorin, the naturally occurring chlorophyll cofactor containing Ni(II) ion, sets up a golden standard for designing the electrocatalysts for hydrogen evolution reaction (HER) via β-peripheral modification. Besides the fine-tuning of the porphyrin β-periphery such as adjusting the aromatics (the saturated level of tetrapyrrole) or installing hydroxyl group (hydrogen bond network) to enhance the catalytic HER efficiency, here we report that β-fluorination of porphyrin is also an important approach to increase the reactivity of Ni(II) center. Benefiting the previously reported derivatization of β-fluorinated porpholactones, we constructed a β-fluorinated tunichlorin mimic (6). Compared with the non-fluorinated analogs (1, 3, and 5), we found that 2, 4, and 6 exhibit significant electrocatalytic HER reactivity acceleration (in terms of turnover frequencies, TOF, s-1) of ca. 37, 170, 133-fold, respectively. Mechanism studies suggested that β-fluorination negatively shifts the metal complexes' reduction potentials and accelerates the electron transfer process, both contributing to the boosting of HER reaction. Notably, 6 showed an 890-fold increase of TOFs than 1, demonstrating the combining advantages of the of fluorination, hydrogenation, and hydroxylation at porphyrin β-periphery.
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Affiliation(s)
- Haozong Xue
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
| | - Zhuo-Yan Wu
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
| | - Jun-Long Zhang
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China.
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5
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Li C, Zhu L, Wu Z, Chen Q, Zheng R, Huan J, Huang Y, Zhu X, Sun Y. Phase Engineering of W-Doped MoS 2 by Magneto-Hydrothermal Synthesis for Hydrogen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303646. [PMID: 37528507 DOI: 10.1002/smll.202303646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/04/2023] [Indexed: 08/03/2023]
Abstract
Molybdenum disulfide (MoS2 ) has been proved as an excellent potential hydrogen evolution reaction (HER) catalyst. Compared with thermodynamically stable 2H-MoS2 , 1T-MoS2 exhibits higher conductivity and catalytic activity, whereas it is usually difficult to prepare since of thermodynamically metastable. Herein, a feasible method is reported to fabricate ambient-stable MoS2 with high concentration 1T phase through magnetic free energy synergistic microstrain induced by W doping under low magnetic field. The 1T phase proportion in MoS2 can be as high as 80% and is ambient-stable for more than one year. The catalyst prepared under a magnetic field of 3 T delivers an overpotential of 195 mV at a current density of 10 mA cm-2 and has a long-term stability over 50 h. This work provides a novel strategy for preparation of MoS2 with high 1T concentration and high stability.
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Affiliation(s)
- Changdian Li
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Lili Zhu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ziqiang Wu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Qian Chen
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ruobing Zheng
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jie Huan
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yanan Huang
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Xuebin Zhu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Yuping Sun
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, P. R. China
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6
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Montgomery CL, Amtawong J, Jordan AM, Kurtz DA, Dempsey JL. Proton transfer kinetics of transition metal hydride complexes and implications for fuel-forming reactions. Chem Soc Rev 2023; 52:7137-7169. [PMID: 37750006 DOI: 10.1039/d3cs00355h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Proton transfer reactions involving transition metal hydride complexes are prevalent in a number of catalytic fuel-forming reactions, where the proton transfer kinetics to or from the metal center can have significant impacts on the efficiency, selectivity, and stability associated with the catalytic cycle. This review correlates the often slow proton transfer rate constants of transition metal hydride complexes to their electronic and structural descriptors and provides perspective on how to exploit these parameters to control proton transfer kinetics to and from the metal center. A toolbox of techniques for experimental determination of proton transfer rate constants is discussed, and case studies where proton transfer rate constant determination informs fuel-forming reactions are highlighted. Opportunities for extending proton transfer kinetic measurements to additional systems are presented, and the importance of synergizing the thermodynamics and kinetics of proton transfer involving transition metal hydride complexes is emphasized.
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Affiliation(s)
- Charlotte L Montgomery
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Jaruwan Amtawong
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Aldo M Jordan
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Daniel A Kurtz
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Jillian L Dempsey
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
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7
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Reuillard B, Costentin C, Artero V. Deciphering Reversible Homogeneous Catalysis of the Electrochemical H 2 Evolution and Oxidation: Role of Proton Relays and Local Concentration Effects. Angew Chem Int Ed Engl 2023; 62:e202302779. [PMID: 37073946 DOI: 10.1002/anie.202302779] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/19/2023] [Accepted: 04/19/2023] [Indexed: 04/20/2023]
Abstract
Nickel bisdiphosphine complexes bearing pendant amines form a unique series of catalysts (so-called DuBois' catalysts) capable of bidirectional/reversible electrocatalytic oxidation and production of dihydrogen. This unique behaviour is directly linked to the presence of proton relays installed close to the metal center. We report here for the arginine derivative [Ni(P2 Cy N2 Arg )2 ]6+ on a mechanistic model and its kinetic treatment that may apply to all DuBois' catalysts and show that it allows for a good fit of experimental data measured at different pH values, catalyst concentrations and partial hydrogen pressures. The bidirectionality of catalysis results from balanced equilibria related to hydrogen uptake/evolution on one side and (metal)-hydride installation/capture on the other side, both controlled by concentration effects resulting from the presence of proton relays and connected by two square schemes corresponding to proton-coupled electron transfer processes. We show that the catalytic bias is controlled by the kinetic of the H2 uptake/evolution step. Reversibility does not require that the energy landscape be flat, with redox transitions occurring at potentials up to 250 mV away for the equilibrium potential, although such large deviations from a flat energy landscape can negatively impacts the rate of catalysis when coupled with slow interfacial electron transfer kinetics.
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Affiliation(s)
| | | | - Vincent Artero
- Univ Grenoble Alpes, CNRS, CEA, IRIG, LCBM, 38000, Grenoble, France
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8
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Karak P, Mandal SK, Choudhury J. Exploiting the NADP +/NADPH-like Hydride-Transfer Redox Cycle with Bis-Imidazolium-Embedded Heterohelicene for Electrocatalytic Hydrogen Evolution Reaction. J Am Chem Soc 2023; 145:17321-17328. [PMID: 37499097 DOI: 10.1021/jacs.3c04737] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Generation of clean energy in a viable manner demands efficient and sustainable catalysts. One prospective method of clean energy generation is the electrochemical hydrogen evolution reaction (HER). Over the years, various transition metal-based complexes/polymeric organic materials were utilized in HER. However, the use of a redox-active small organic molecule as a catalyst for HER has not been explored well. The requirements of a strongly acidic solution, very high overpotential, and stability under acidic conditions pose several challenges for applying organic electrocatalysts for HER. Considering these challenges, herein, we demonstrated an NADP+-like organic system (NADP+ = nicotinamide adenine dinucleotide phosphate), a bis-imidazolium-fused heterohelicene, which acts as a catalyst for HER with mild acid (acetic acid) as a proton source at moderate overpotential. The unique structural backbone of this dicationic heterohelicene allowed to exploit the NADP+/NADPH-type (NADPH = reduced nicotinamide adenine dinucleotide phosphate) hydride transfer-based redox cycle efficiently under the applied conditions, where the NADPH-like hydride intermediate transfers the hydride to the proton of the mild acid to generate H2. The Faradaic efficiency and turnover number for the present HER were achieved up to 85 ± 5% and 50 ± 3, respectively. In addition, the maximum turnover frequency, TOFmax, value of 410 s-1 was observed, which is around 400 times that obtained for the existing reported NADP+-like organic compounds used as catalysts for HER. Thorough mechanistic studies were conducted experimentally and computationally to establish a plausible catalytic cycle. This advancement could help in designing efficient organic electrocatalysts for HER from a mild proton source.
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Affiliation(s)
- Pirudhan Karak
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh 462 066, India
| | - Sanajit Kumar Mandal
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh 462 066, India
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9
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Lucarini F, Fize J, Morozan A, Droghetti F, Solari E, Scopelliti R, Marazzi M, Natali M, Pastore M, Artero V, Ruggi A. Electro- and photochemical H 2 generation by Co(ii) polypyridyl-based catalysts bearing ortho-substituted pyridines. SUSTAINABLE ENERGY & FUELS 2023; 7:3384-3394. [PMID: 37441238 PMCID: PMC10334870 DOI: 10.1039/d3se00295k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/25/2023] [Indexed: 07/15/2023]
Abstract
Cobalt(ii) complexes featuring hexadentate amino-pyridyl ligands have been recently discovered as highly active catalysts for the Hydrogen Evolution Reaction (HER), whose high performance arises from the possibility of assisting proton transfer processes via intramolecular routes involving detached pyridine units. With the aim of gaining insights into such catalytic routes, three new proton reduction catalysts based on amino-polypyridyl ligands are reported, focusing on substitution of the pyridine ortho-position. Specifically, a carboxylate (C2) and two hydroxyl substituted pyridyl moieties (C3, C4) are introduced with the aim of promoting intramolecular proton transfer which possibly enhances the efficiency of the catalysts. Foot-of-the-wave and catalytic Tafel plot analyses have been utilized to benchmark the catalytic performances under electrochemical conditions in acetonitrile using trifluoroacetic acid as the proton source. In this respect, the cobalt complex C3 turns out to be the fastest catalyst in the series, with a maximum turnover frequency (TOF) of 1.6 (±0.5) × 105 s-1, but at the expense of large overpotentials. Mechanistic investigations by means of Density Functional Theory (DFT) suggest a typical ECEC mechanism (i.e. a sequence of reduction - E - and protonation - C - events) for all the catalysts, as previously envisioned for the parent unsubstituted complex C1. Interestingly, in the case of complex C2, the catalytic route is triggered by initial protonation of the carboxylate group resulting in a less common (C)ECEC mechanism. The pivotal role of the hexadentate chelating ligand in providing internal proton relays to assist hydrogen elimination is further confirmed within this novel class of molecular catalysts, thus highlighting the relevance of a flexible polypyridine ligand in the design of efficient cobalt complexes for the HER. Photochemical studies in aqueous solution using [Ru(bpy)3]2+ (where bpy = 2,2'-bipyridine) as the sensitizer and ascorbate as the sacrificial electron donor support the superior performance of C3.
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Affiliation(s)
| | - Jennifer Fize
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 rue des Martyrs 38000 Grenoble France
| | - Adina Morozan
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 rue des Martyrs 38000 Grenoble France
| | - Federico Droghetti
- Università degli Studi di Ferrara, Dipartimento di Scienze Chimiche Farmaceutiche ed Agrarie (DOCPAS) Via L. Borsari 46 44121 Ferrara Italy
| | - Euro Solari
- Institut des Sciences et Ingénierie Chimique, École Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie Chimique, École Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Marco Marazzi
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Grupo de Reactividad y Estructura Molecular (RESMOL) Alcalá de Henares Madrid Spain
- Universidad de Alcalá, Instituto de Investigación Química ''Andrés M. del Río'' (IQAR) Alcalá de Henares Madrid Spain
| | - Mirco Natali
- Università degli Studi di Ferrara, Dipartimento di Scienze Chimiche Farmaceutiche ed Agrarie (DOCPAS) Via L. Borsari 46 44121 Ferrara Italy
| | - Mariachiara Pastore
- Université de Lorraine & CNRS, Laboratoire de Physique et Chimie Théoriques (LPCT) F-54000 Nancy France
| | - Vincent Artero
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 rue des Martyrs 38000 Grenoble France
| | - Albert Ruggi
- Université de Fribourg Ch. du Musée 9 1700 Fribourg Switzerland
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10
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Khan S, Sengupta S, Khan MA, Sk MP, Naskar S. Electrocatalytic water oxidation by heteroleptic ruthenium complexes of 2,6-bis(benzimidazolyl)pyridine Scaffold: a mechanistic investigation. Dalton Trans 2023. [PMID: 37194336 DOI: 10.1039/d3dt00128h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Three monomeric ruthenium complexes with anionic ligands [RuII(L)(L1)(DMSO)][ClO4] (1), [RuII(L)(L2)(DMSO)] [PF6] (2), and [RuII(L)(L3)(DMSO)][PF6] (3) [L = pyrazine carboxylate, L1 = 2,6-bis(1H-benzo[d]imidazol-2-yl)pyridine, L2 = 4,5-dmbimpy = 2,6-bis(5,6-dimethyl-1H-benzo[d]imidazol-2-yl)pyridine, L3 = 4-Fbimpy = 2,6-bis(5-fluoro-1H-benzo[d]imidazol-2-yl)pyridine, DMSO = dimethyl sulfoxide] as electrocatalysts for water oxidation are reported herein. The single crystal X-ray structure of the complexes reveals the presence of a DMSO molecule, which is supposed to be the labile group undergoing water exchange under the experimental condition of electrocatalysis. Linear sweep voltammetry (LSV) and cyclic voltammetry (CV) study shows the appearance of the catalytic wave for water oxidation at Ru(IV/V) oxidation. LSV, CV, and bulk electrolysis technique has been used to study the redox properties of the complexes and their electrocatalytic activity. A systematic variation on the ligand scaffold has been found to display a profound effect on the rate of electrocatalytic oxygen evolution. Electrochemical and theoretical (density functional theory) studies support the O-O bond formation during water oxidation passes through water nucleophilic attack (WNA) for all the ruthenium complexes. At pH 1, the maximum turnover frequency (TOFmax) has been experimentally obtained as 17556.25 s-1, 31648.41 s-1, and 39.69 s-1 for complexes 1, 2, and 3, respectively, from the foot of wave analysis (FOWA). The high value of TOFmax for complex 2 indicates its efficiency as an electrocatalyst for water oxidation in a homogeneous medium.
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Affiliation(s)
- Sahanwaj Khan
- Department of Chemistry, Birla institute of Technology-Mesra, Ranchi, India.
| | - Swaraj Sengupta
- Department of Chemical Engineering, Birla institute of Technology-Mesra, Ranchi, India
| | - Md Adnan Khan
- Department of Chemistry, Birla institute of Technology-Mesra, Ranchi, India.
| | | | - Subhendu Naskar
- Department of Chemistry, Birla institute of Technology-Mesra, Ranchi, India.
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11
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Papadakis M, Barrozo A, Delmotte L, Straistari T, Shova S, Réglier M, Krewald V, Bertaina S, Hardré R, Orio M. How Metal Nuclearity Impacts Electrocatalytic H2 Production in Thiocarbohydrazone-Based Complexes. INORGANICS 2023. [DOI: 10.3390/inorganics11040149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
Thiocarbohydrazone-based catalysts feature ligands that are potentially electrochemically active. From the synthesis point of view, these ligands can be easily tailored, opening multiple strategies for optimization, such as using different substituent groups or metal substitution. In this work, we show the possibility of a new strategy, involving the nuclearity of the system, meaning the number of metal centers. We report the synthesis and characterization of a trinuclear nickel-thiocarbohydrazone complex displaying an improved turnover rate compared with its mononuclear counterpart. We use DFT calculations to show that the mechanism involved is metal-centered, unlike the metal-assisted ligand-centered mechanism found in the mononuclear complex. Finally, we show that two possible mechanisms can be assigned to this catalyst, both involving an initial double reduction of the system.
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Affiliation(s)
- Michael Papadakis
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Alexandre Barrozo
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Léa Delmotte
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Tatiana Straistari
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Sergiu Shova
- Institute of Macromolecular Chemistry Petru Poni, 700487 Iasi, Romania
| | - Marius Réglier
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Vera Krewald
- Department of Chemistry, Theoretical Chemistry, Technical University Darmstadt, 64289 Darmstadt, Germany
| | - Sylvain Bertaina
- Aix-Marseille Univ, CNRS, IN2MP UMR 7334, 13397 Marseille, France
| | - Renaud Hardré
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Maylis Orio
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
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12
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Wang N, Zhang XP, Han J, Lei H, Zhang Q, Zhang H, Zhang W, Apfel UP, Cao R. Promoting hydrogen evolution reaction with a sulfonic proton relay. CHINESE JOURNAL OF CATALYSIS 2023. [DOI: 10.1016/s1872-2067(22)64183-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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13
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Zhiani M, Taghiabadi MM, Bagherabadi MH. Optimization of Ni-Mo-Coated Stainless Steel as a High-Performance Cathode in Alkaline Water Electrolysis. Electrocatalysis (N Y) 2023. [DOI: 10.1007/s12678-023-00810-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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14
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Chandra S, Hazari AS, Song Q, Hunger D, Neuman NI, van Slageren J, Klemm E, Sarkar B. Remarkable Enhancement of Catalytic Activity of Cu-Complexes in the Electrochemical Hydrogen Evolution Reaction by Using Triply Fused Porphyrin. CHEMSUSCHEM 2023; 16:e202201146. [PMID: 36173981 PMCID: PMC10107348 DOI: 10.1002/cssc.202201146] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/22/2022] [Indexed: 06/16/2023]
Abstract
A bimetallic triply fused copper(II) porphyrin complex (1) was prepared, comprising two monomeric porphyrin units linked through β-β, meso-meso, β'-β' triple covalent linkages and exhibiting remarkable catalytic activity for the electrochemical hydrogen evolution reaction in comparison to the analogous monomeric copper(II) porphyrin complex (2). Electrochemical investigations in the presence of a proton source (trifluoroacetic acid) confirmed that the catalytic activity of the fused metalloporphyrin occurred at a significantly lower overpotential (≈320 mV) compared to the non-fused monomer. Controlled potential electrolysis combined with kinetic analysis of catalysts 1 and 2 confirmed production of hydrogen, with 96 and 71 % faradaic efficiencies and turnover numbers of 102 and 18, respectively, with an observed rate constant of around 107 s-1 for the dicopper complex. The results thus firmly establish triply fused porphyrin ligands as outstanding candidates for generating highly stable and efficient molecular electrocatalysts in combination with earth-abundant 3d transition metals.
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Affiliation(s)
- Shubhadeep Chandra
- Lehrstuhl für Anorganische KoordinationschemieInstitut für Anorganische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - Arijit Singha Hazari
- Lehrstuhl für Anorganische KoordinationschemieInstitut für Anorganische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - Qian Song
- Institut für Technische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - David Hunger
- Institut für Physikalische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - Nicolás. I. Neuman
- Lehrstuhl für Anorganische KoordinationschemieInstitut für Anorganische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
- Instituto de Desarrollo Tecnológico para la Industria Química CCTINTEC, UNL-CONICETPredio CONICET Santa Fe Dr. Alberto CassanoRuta Nacional N° 168, Km 0, Paraje El PozoS3000ZAASanta FeArgentina
| | - Joris van Slageren
- Institut für Physikalische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - Elias Klemm
- Institut für Technische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
| | - Biprajit Sarkar
- Lehrstuhl für Anorganische KoordinationschemieInstitut für Anorganische ChemieUniversität StuttgartPfaffenwaldring 5570569StuttgartGermany
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15
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Obisesan SV, Rose C, Farnum BH, Goldsmith CR. Co(II) Complex with a Covalently Attached Pendent Quinol Selectively Reduces O 2 to H 2O. J Am Chem Soc 2022; 144:22826-22830. [DOI: 10.1021/jacs.2c08315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | | | | | - Christian R. Goldsmith
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama36849, United States
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16
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High Oxygen-Yield Homogeneous Sonophotocatalysis for Water-splitting Using Theraphthal. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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17
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Kumar N, Kaur‐Ghumaan S. Synthesis, Characterization and Electrochemical Studies of bis(Monothiolato) {FeFe} Complexes [Fe
2
(μ‐SC
6
H
4
‐OMe‐
m
)
2
(CO)
5
L] (L=CO, PCy
3
, PPh
3
). ChemistrySelect 2022. [DOI: 10.1002/slct.202203392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Naveen Kumar
- Department of Chemistry University of Delhi Delhi 110007 India
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18
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Yang G, Cen JH, Lan J, Li MY, Zhan X, Yuan GQ, Liu HY. Non-Metallic Phosphorus Corrole as Efficient Electrocatalyst in Hydrogen Evolution Reaction. CHEMSUSCHEM 2022; 15:e202201553. [PMID: 36121337 DOI: 10.1002/cssc.202201553] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/13/2022] [Indexed: 06/15/2023]
Abstract
The economical consideration of using an electrocatalyst in energy-related field, composed of non-precious/sustainable elements is quite noteworthy. In this work, the phosphorus(V) complex of tris-(pentafluorophenyl)corrole [(TPFC)PV (OH)2 ] was reported as electrocatalyst for the hydrogen evolution reaction (HER). The electrochemical studies revealed that the HER experienced a ECEC pathway (E: electron transfer step, C: chemical step), and the possible intermediate [PV ]-H species was suggested. (TPFC)PV (OH)2 displayed excellent HER activity in dimethylformamide (DMF) with trifluoroacetic acid (TFA) as the proton source, and the turnover frequency (TOF) reached 31.75 s-1 at an overpotential of 900 mV. Interestingly, the HER electrocatalytic performance remained extraordinary even applying water as a proton source in acetonitrile/water (v/v=2 : 3), with a TOF of 18.40 mol H 2 ${{_{{\rm H}{_{2}}}}}$ molcat -1 h-1 at an overpotential of 900 mV.
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Affiliation(s)
- Gang Yang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
| | - Jing-He Cen
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
| | - Jian Lan
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
| | - Meng-Yuan Li
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
| | - Xuan Zhan
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), 518172, Shenzhen, P. R. China
| | - Gao-Qing Yuan
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
| | - Hai-Yang Liu
- Department of Chemistry, Guangdong Provincial Key Laboratory of Fuel Cell Technology & School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, P. R. China
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19
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Kaim V, Joshi M, Stein M, Kaur-Ghumaan S. Mononuclear manganese complexes as hydrogen evolving catalysts. Front Chem 2022; 10:993085. [PMID: 36277350 PMCID: PMC9585328 DOI: 10.3389/fchem.2022.993085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/05/2022] [Indexed: 12/04/2022] Open
Abstract
Molecular hydrogen (H2) is one of the pillars of future non-fossil energy supply. In the quest for alternative, non-precious metal catalysts for hydrogen generation to replace platinum, biological systems such as the enzyme hydrogenase serve as a blueprint. By taking inspiration from the bio-system, mostly nickel- or iron-based catalysts were explored so far. Manganese is a known oxygen-reducing catalyst but has received much less attention for its ability to reduce protons in acidic media. Here, the synthesis, characterization, and reaction mechanisms of a series of four mono-nuclear Mn(I) complexes in terms of their catalytic performance are reported. The effect of the variation of equatorial and axial ligands in their first and second coordination spheres was assessed pertaining to their control of the turnover frequencies and overpotentials. All four complexes show reactivity and reduce protons in acidic media to release molecular hydrogen H2. Quantum chemical studies were able to assign and interpret spectral characterizations from UV–Vis and electrochemistry and rationalize the reaction mechanism. Two feasible reaction mechanisms of electrochemical (E) and protonation (C) steps were compared. Quantum chemical studies can assign peaks in the cyclic voltammetry to structural changes of the complex during the reaction. The first one-electron reduction is essential to generate an open ligand-based site for protonation. The distorted octahedral Mn complexes possess an inverted second one-electron redox potential which is a pre-requisite for a swift and facile release of molecular hydrogen. This series on manganese catalysts extends the range of elements of the periodic table which are able to catalyze the hydrogen evolution reaction and will be explored further.
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Affiliation(s)
- Vishakha Kaim
- Department of Chemistry, University of Delhi, Delhi,India
| | - Meenakshi Joshi
- Max-Planck-Institute for Dynamics of Complex Technical Systems, Molecular Simulations and Design Group, Magdeburg, Germany
| | - Matthias Stein
- Max-Planck-Institute for Dynamics of Complex Technical Systems, Molecular Simulations and Design Group, Magdeburg, Germany
- *Correspondence: Matthias Stein, ; Sandeep Kaur-Ghumaan,
| | - Sandeep Kaur-Ghumaan
- Department of Chemistry, University of Delhi, Delhi,India
- *Correspondence: Matthias Stein, ; Sandeep Kaur-Ghumaan,
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20
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Reyes Cruz EA, Nishiori D, Wadsworth BL, Nguyen NP, Hensleigh LK, Khusnutdinova D, Beiler AM, Moore GF. Molecular-Modified Photocathodes for Applications in Artificial Photosynthesis and Solar-to-Fuel Technologies. Chem Rev 2022; 122:16051-16109. [PMID: 36173689 DOI: 10.1021/acs.chemrev.2c00200] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nature offers inspiration for developing technologies that integrate the capture, conversion, and storage of solar energy. In this review article, we highlight principles of natural photosynthesis and artificial photosynthesis, drawing comparisons between solar energy transduction in biology and emerging solar-to-fuel technologies. Key features of the biological approach include use of earth-abundant elements and molecular interfaces for driving photoinduced charge separation reactions that power chemical transformations at global scales. For the artificial systems described in this review, emphasis is placed on advancements involving hybrid photocathodes that power fuel-forming reactions using molecular catalysts interfaced with visible-light-absorbing semiconductors.
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Affiliation(s)
- Edgar A Reyes Cruz
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Daiki Nishiori
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Brian L Wadsworth
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Nghi P Nguyen
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Lillian K Hensleigh
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Diana Khusnutdinova
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Anna M Beiler
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - G F Moore
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
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21
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Groff BD, Mayer JM. Optimizing Catalysis by Combining Molecular Scaling Relationships: Iron Porphyrin-Catalyzed Electrochemical Oxygen Reduction as a Case Study. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Benjamin D. Groff
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - James M. Mayer
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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22
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Weder N, Grundmann NS, Probst B, Blacque O, Ketkaew R, Creazzo F, Luber S, Alberto R. Two Novel Dinuclear Cobalt Polypyridyl Complexes in Electro- and Photocatalysis for Hydrogen Production: Cooperativity Increases Performance. CHEMSUSCHEM 2022; 15:e202201049. [PMID: 35765252 PMCID: PMC9545343 DOI: 10.1002/cssc.202201049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/27/2022] [Indexed: 06/15/2023]
Abstract
Syntheses and mechanisms of two dinuclear Co-polypyridyl catalysts for the H2 evolution reaction (HER) were reported and compared to their mononuclear analogue (R1). In both catalysts, two di-(2,2'-bipyridin-6-yl)-methanone units were linked by either 2,2'-bipyridin-6,6'-yl or pyrazin-2,5-yl. Complexation with CoII gave dinuclear compounds bridged by pyrazine (C2) or bipyridine (C1). Photocatalytic HER gave turnover numbers (TONs) of up to 20000 (C2) and 7000 (C1) in water. Electrochemically, C1 was similar to the R1, whereas C2 showed electronic coupling between the two Co centers. The E(CoII/I ) split by 360 mV into two separate waves. Proton reduction in DMF was investigated for R1 with [HNEt3 ](BF4 ) by simulation, foot of the wave analysis, and linear sweep voltammetry (LSV) with in-line detection of H2 . All methods agreed well with an (E)ECEC mechanism and the first protonation being rate limiting (≈104 m-1 s-1 ). The second reduction was more anodic than the first one. pKa values of around 10 and 7.5 were found for the two protonations. LSV analysis with H2 detection for all catalysts and acids with different pKa values [HBF4 , pKa (DMF)≈3.4], intermediate {[HNEt3 ](BF4 ), pKa (DMF)≈9.2} to weak [AcOH, pKa (DMF)≈13.5] confirmed electrochemical H2 production, distinctly dependent on the pKa values. Only HBF4 protonated CoI intermediates. The two metals in the dualcore C2 cooperated with an increase in rate to a competitive 105 m-1 s-1 with [HNEt3 ](BF4 ). The overpotential decreased compared to R1 by 100 mV. Chronoamperometry established high stabilities for all catalysts with TONlim of 100 for R1 and 320 for C1 and C2.
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Affiliation(s)
- Nicola Weder
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Nora S. Grundmann
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Benjamin Probst
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Olivier Blacque
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Rangsiman Ketkaew
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Fabrizio Creazzo
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Sandra Luber
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
| | - Roger Alberto
- Department of ChemistryUniversity of ZurichWinterthurerstrasse 190Switzerland
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23
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Quantitative analysis of the electrochemical performance of multi-redox molecular electrocatalysts. A mechanistic study of chlorate electrocatalytic reduction in presence of a molybdenium polyoxometalate. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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24
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Guo K, Li X, Lei H, Guo H, Jin X, Zhang X, Zhang W, Apfel U, Cao R. Role‐Specialized Division of Labor in CO
2
Reduction with Doubly‐Functionalized Iron Porphyrin Atropisomers. Angew Chem Int Ed Engl 2022; 61:e202209602. [DOI: 10.1002/anie.202209602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Kai Guo
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Xialiang Li
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Hongbo Guo
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Xiaotong Jin
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Xue‐Peng Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Ulf‐Peter Apfel
- Ruhr-Universität Bochum, Fakultät für Chemie und Biochemie Anorganische Chemie I Universitätsstrasse 150 44801 Bochum Germany
- Fraunhofer UMSICHT Osterfelder Strasse 3 46047 Oberhausen Germany
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
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25
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Braley SE, Kwon HY, Xu S, Dalton EZ, Jakubikova E, Smith JM. Buffer Assists Electrocatalytic Nitrite Reduction by a Cobalt Macrocycle Complex. Inorg Chem 2022; 61:12998-13006. [PMID: 35948065 DOI: 10.1021/acs.inorgchem.2c00909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This work reports a combined experimental and computational study of the activation of an otherwise catalytically inactive cobalt complex, [Co(TIM)Br2]+, for aqueous nitrite reduction. The presence of phosphate buffer leads to efficient electrocatalysis, with rapid reduction to ammonium occurring close to the thermodynamic potential and with high Faradaic efficiency. At neutral pH, increasing buffer concentrations increase catalytic current while simultaneously decreasing overpotential, although high concentrations have an inhibitory effect. Controlled potential electrolysis and rotating ring-disk electrode experiments indicate that ammonium is directly produced from nitrite by [Co(TIM)Br2]+, along with hydroxylamine. Mechanistic investigations implicate a vital role for the phosphate buffer, specifically as a proton shuttle, although high buffer concentrations inhibit catalysis. These results indicate a role for buffer in the design of electrocatalysts for nitrogen oxide conversion.
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Affiliation(s)
- Sarah E Braley
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47401, United States
| | - Hyuk-Yong Kwon
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695, United States
| | - Song Xu
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47401, United States
| | - Evan Z Dalton
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47401, United States
| | - Elena Jakubikova
- Department of Chemistry, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695, United States
| | - Jeremy M Smith
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47401, United States
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26
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Droghetti F, Lucarini F, Molinari A, Ruggi A, Natali M. Recent findings and future directions in photosynthetic hydrogen evolution using polypyridine cobalt complexes. Dalton Trans 2022; 51:10658-10673. [PMID: 35475511 PMCID: PMC9936794 DOI: 10.1039/d2dt00476c] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/14/2022] [Indexed: 12/25/2022]
Abstract
The production of hydrogen gas using water as the molecular substrate currently represents one of the most challenging and appealing reaction schemes in the field of artificial photosynthesis (AP), i.e., the conversion of solar energy into fuels. In order to be efficient, this process requires a suitable combination of a light-harvesting sensitizer, an electron donor, and a hydrogen-evolving catalyst (HEC). In the last few years, cobalt polypyridine complexes have been discovered to be competent molecular catalysts for the hydrogen evolution reaction (HER), showing enhanced efficiency and stability with respect to previously reported molecular species. This perspective collects information about all relevant cobalt polypyridine complexes employed for the HER in aqueous solution under light-driven conditions in the presence of Ru(bpy)32+ (where bpy = 2,2'-bipyridine) as the photosensitizer and ascorbate as the electron donor, trying to highlight promising chemical motifs and aiming towards efficient catalytic activity in order to stimulate further efforts to design molecular catalysts for hydrogen generation and allow their profitable implementation in devices. As a final step, a few suggestions for the benchmarking of HECs employed under light-driven conditions are introduced.
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Affiliation(s)
- Federico Droghetti
- Department of Chemical, Pharmaceutical, and Agricultural Sciences (DOCPAS), University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy.
| | - Fiorella Lucarini
- Département de Chimie, Université de Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland.
| | - Alessandra Molinari
- Department of Chemical, Pharmaceutical, and Agricultural Sciences (DOCPAS), University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy.
| | - Albert Ruggi
- Département de Chimie, Université de Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland.
| | - Mirco Natali
- Department of Chemical, Pharmaceutical, and Agricultural Sciences (DOCPAS), University of Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy.
- Centro Interuniversitario per la Conversione Chimica dell'Energia Solare (SolarChem), sez. di Ferrara, Via L. Borsari 46, 44121 Ferrara, Italy
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27
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Guo K, Li X, Lei H, Guo H, Jin X, Zhang XP, Zhang W, Apfel UP, Cao R. Role‐Specialized Division of Labor in CO2 Reduction with Doubly‐Functionalized Iron Porphyrin Atropisomers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kai Guo
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Xialiang Li
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Haitao Lei
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Hongbo Guo
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Xiaotong Jin
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Xue-Peng Zhang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Wei Zhang
- Shaanxi Normal University School of Chemistry and Chemical Engineering CHINA
| | - Ulf-Peter Apfel
- Ruhr-Universitat Bochum Fakultät für Chemie und Biochemie GERMANY
| | - Rui Cao
- Shaanxi Normal University School of Chemistry and Chemical Engineering Shaanxi Normal UniversityChang'an CampusNumber 620 West Chang'an AvenueChang'an District 710119 Xi'an CHINA
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28
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Molina A, González J, Laborda E. Applicability of Conventional Protocols for Benchmarking of Unidirectional and Bidirectional Multi-Electron Homogeneous Molecular Catalysts Beyond the Pure Kinetic Regime. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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29
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Kaeffer N, Leitner W. Electrocatalysis with Molecular Transition-Metal Complexes for Reductive Organic Synthesis. JACS AU 2022; 2:1266-1289. [PMID: 35783173 PMCID: PMC9241009 DOI: 10.1021/jacsau.2c00031] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
Electrocatalysis enables the formation or cleavage of chemical bonds by a genuine use of electrons or holes from an electrical energy input. As such, electrocatalysis offers resource-economical alternative pathways that bypass sacrificial, waste-generating reagents often required in classical thermal redox reactions. In this Perspective, we showcase the exploitation of molecular electrocatalysts for electrosynthesis, in particular for reductive conversion of organic substrates. Selected case studies illustrate that efficient molecular electrocatalysts not only are appropriate redox shuttles but also embrace the features of organometallic catalysis to facilitate and control chemical steps. From these examples, guidelines are proposed for the design of molecular electrocatalysts suited to the reduction of organic substrates. We finally expose opportunities brought by catalyzed electrosynthesis to functionalize organic backbones, namely using sustainable building blocks.
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Affiliation(s)
- Nicolas Kaeffer
- Max Planck Institute for Chemical
Energy Conversion, Stiftstrasse 34-36, 45470 Mülheim an der Ruhr, Germany
| | - Walter Leitner
- Max Planck Institute for Chemical
Energy Conversion, Stiftstrasse 34-36, 45470 Mülheim an der Ruhr, Germany
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30
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Wiedner ES, Appel AM, Raugei S, Shaw WJ, Bullock RM. Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines. Chem Rev 2022; 122:12427-12474. [PMID: 35640056 DOI: 10.1021/acs.chemrev.1c01001] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Pendant amines play an invaluable role in chemical reactivity, especially for molecular catalysts based on earth-abundant metals. As inspired by [FeFe]-hydrogenases, which contain a pendant amine positioned for cooperative bifunctionality, synthetic catalysts have been developed to emulate this multifunctionality through incorporation of a pendant amine in the second coordination sphere. Cyclic diphosphine ligands containing two amines serve as the basis for a class of catalysts that have been extensively studied and used to demonstrate the impact of a pendant base. These 1,5-diaza-3,7-diphosphacyclooctanes, now often referred to as "P2N2" ligands, have profound effects on the reactivity of many catalysts. The resulting [Ni(PR2NR'2)2]2+ complexes are electrocatalysts for both the oxidation and production of H2. Achieving the optimal benefit of the pendant amine requires that it has suitable basicity and is properly positioned relative to the metal center. In addition to the catalytic efficacy demonstrated with [Ni(PR2NR'2)2]2+ complexes for the oxidation and production of H2, catalysts with diphosphine ligands containing pendant amines have also been demonstrated for several metals for many different reactions, both in solution and immobilized on surfaces. The impact of pendant amines in catalyst design continues to expand.
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31
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Klimaeva LA, Ganz OY, Chugunov DB, Mazhorova AV, Dolganov AV, Knyazev AV. Electrocatalytic Activity of 4,4'-Bipyridine in the Production of Molecular Hydrogen in the Presence of Acids of Different Nature. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2022. [DOI: 10.1134/s0036024422050156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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32
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Wu Q, Li M, He S, Xiong Y, Zhang P, Huang H, Chen L, Huang F, Li F. The hangman effect boosts hydrogen production by a manganese terpyridine complex. Chem Commun (Camb) 2022; 58:5128-5131. [PMID: 35380563 DOI: 10.1039/d2cc00757f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The manganese terpyridine complex 1 with a coordinated carboxylate in the axial position was obtained in situ. By virtue of a hangman effect, complex 1 catalyzes electrochemical hydrogen evolution from phenol in acetonitrile solution with a turnover frequency of 525 s-1 at a low overpotential of ca. 230 mV.
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Affiliation(s)
- Qianqian Wu
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Minghong Li
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Shuanglin He
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Ying Xiong
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Ping Zhang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Heyan Huang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Lin Chen
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Fang Huang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China
| | - Fei Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
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33
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2-Mercaptobenzimidazole ligand-based models of the [FeFe] hydrogenase: synthesis, characterization and electrochemical studies. J CHEM SCI 2022. [DOI: 10.1007/s12039-022-02027-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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34
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Sun L, Adam SM, Mokdad W, David R, Milet A, Artero V, Duboc C. A bio-inspired heterodinuclear hydrogenase CoFe complex. Faraday Discuss 2022; 234:34-41. [PMID: 35188161 DOI: 10.1039/d1fd00085c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a new heterobimetallic CoFe complex is reported with the aim of comparing its performance in terms of H2 production within a series of related MFe complexes (M = Ni, Fe). The fully oxidized [(LN2S2)CoII(CO)FeIICp]+ complex (CoIIFeII, LN2S2 2- = 2,2'-(2,2'-bipyridine-6,6'-diyl)bis(1,1'-diphenylethanethiolate), Cp- = cyclopentadienyl anion) can be (electro)chemically reduced to its CoIFeII form, and both complexes have been isolated and fully characterized by means of classic spectroscopic techniques and theoretical calculations. The redox properties of CoIIFeII have been investigated in DMF, revealing that this complex is the easiest to reduce by one-electron among the analogous MFe complexes (M = Ni, Fe, Co). Nevertheless, it displays no electrocatalytic activity for H2 production, contrary to the FeFe and NiFe analogs, which have proven remarkable performance.
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Affiliation(s)
- Lili Sun
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France.
| | - Suzanne M Adam
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France. .,Univ. Grenoble Alpes, CNRS, CEA, Laboratoire de Chimie et Biologie des Métaux, F-38000 Grenoble, France
| | - Walaa Mokdad
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France.
| | - Rolf David
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France.
| | - Anne Milet
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France.
| | - Vincent Artero
- Univ. Grenoble Alpes, CNRS, CEA, Laboratoire de Chimie et Biologie des Métaux, F-38000 Grenoble, France
| | - Carole Duboc
- Univ. Grenoble Alpes, CNRS UMR 5250, DCM, F-38000 Grenoble, France.
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Alberto R, Müller P, Probst B, Spingler B, Blacque O. Polar substituents enable efficient catalysis for a class of cobalt polypyridyl hydrogen evolving catalyst. Helv Chim Acta 2022. [DOI: 10.1002/hlca.202100237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Roger Alberto
- University of Zürich Department of Chemistry Winterthurerstr. 190 CH-8057 Zürich SWITZERLAND
| | - Peter Müller
- University of Zurich Faculty of Mathematics and Science: Universitat Zurich Mathematisch-Naturwissenschaftliche Fakultat Chemistry SWITZERLAND
| | - Benjamin Probst
- University of Zurich Faculty of Mathematics and Science: Universitat Zurich Mathematisch-Naturwissenschaftliche Fakultat Chemistry SWITZERLAND
| | - Bernhard Spingler
- University of Zurich Faculty of Mathematics and Science: Universitat Zurich Mathematisch-Naturwissenschaftliche Fakultat Chemistry SWITZERLAND
| | - Olivier Blacque
- University of Zurich Faculty of Science: Universitat Zurich Mathematisch-Naturwissenschaftliche Fakultat Chemistry SWITZERLAND
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Novel Dithiolene Nickel Complex Catalysts for Electrochemical Hydrogen Evolution Reaction for Hydrogen Production in Nonaqueous and Aqueous Solutions. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00708-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractThree molecular catalysts based on mononuclear nickel(II) complexes with square planar geometries, [BzPy]2[Ni(mnt)2] (1), [BzPy]2[Ni(i-mnt)2] (2), and [BzPy]2[Ni(tdas)2] (3) (BzPy = benzyl pyridinium) are synthesized by the reaction of NiCl2∙6H2O, [BzPy]Br, and Na2(mnt)/Na2(i-mnt)/Na2(tdas) (mnt = 1,2-dicyanoethylene-1,2-dithiolate for (1), i-mnt = 2,2-dicyanoethylene-1,1-dithiolate for (2), and tdas = 1,2,5-thiadiazole-3,4-dithiolate for (3)), respectively. The structures and compositions of these three catalysts are characterized by XRD, elemental analysis, FT-IR, and ESI-MS. The electrochemical properties and the corresponding catalytic activities of these three catalysts are studied by cyclic voltammetry. The controlled-potential electrolysis with gas chromatography analysis confirms the hydrogen production with a turnover frequency (TOF) of 116.89, 165.51, and 189.16 moles of H2 per mole of catalyst per hour at a potential of − 0.99 V (versus SHE) in acetonitrile solutions containing the catalysts, respectively. In a neutral buffer solution, these three molecular catalysts exhibit a TOF of 411.85, 488.76, and 555.06 mol of H2 per mole of catalyst per hour at a potential of − 0.49 V (versus SHE), respectively, indicating that Complex 3 constitutes the better active catalyst than Complexes 1 and 2. For fundamental understanding, a catalytic HER mechanism is also proposed.
Graphical abstract
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37
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Karumban KS, Muley A, Giri B, Kumbhakar S, Kella T, Shee D, Maji S. Synthesis, characterization, structural, redox and electrocatalytic proton reduction properties of cobalt polypyridyl complexes. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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38
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Li CB, Bagnall AJ, Sun D, Rendon J, Koepf M, Gambarelli S, Mouesca JM, Chavarot-Kerlidou M, Artero V. Electrocatalytic reduction of protons to dihydrogen by the cobalt tetraazamacrocyclic complex [Co(N 4H)Cl 2] +: mechanism and benchmarking of performances. SUSTAINABLE ENERGY & FUELS 2021; 6:143-149. [PMID: 35028421 PMCID: PMC8691182 DOI: 10.1039/d1se01267c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/04/2021] [Indexed: 06/14/2023]
Abstract
The cobalt tetraazamacrocyclic [Co(N4H)Cl2]+ complex is becoming a popular and versatile catalyst for the electrocatalytic evolution of hydrogen, because of its stability and superior activity in aqueous conditions. We present here a benchmarking of its performances based on the thorough analysis of cyclic voltammograms recorded under various catalytic regimes in non-aqueous conditions allowing control of the proton concentration. This allowed a detailed mechanism to be proposed with quantitative determination of the rate-constants for the various protonation steps, as well as identification of the amine function of the tetraazamacrocyclic ligand to act as a proton relay during H2 evolution.
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Affiliation(s)
- Cheng-Bo Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, The Energy and Catalysis Hub, College of Chemistry and Materials Science, Northwest University Xi'an 710127 China
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Andrew J Bagnall
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
- Ångström Laboratory, Department of Chemistry, Uppsala University SE75120 Uppsala Sweden
| | - Dongyue Sun
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Julia Rendon
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
- Univ. Grenoble Alpes, CNRS, CEA/IRIG-SyMMES 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Matthieu Koepf
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Serge Gambarelli
- Univ. Grenoble Alpes, CNRS, CEA/IRIG-SyMMES 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Jean-Marie Mouesca
- Univ. Grenoble Alpes, CNRS, CEA/IRIG-SyMMES 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Murielle Chavarot-Kerlidou
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
| | - Vincent Artero
- Univ. Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux 17 Rue des Martyrs F-38054 Grenoble, Cedex France
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39
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Liu J, Liao RZ, Heinemann FW, Meyer K, Thummel RP, Zhang Y, Tong L. Electrocatalytic Hydrogen Evolution by Cobalt Complexes with a Redox Non-Innocent Polypyridine Ligand. Inorg Chem 2021; 60:17976-17985. [PMID: 34808047 DOI: 10.1021/acs.inorgchem.1c02539] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Novel cobalt and zinc complexes with the tetradentate ppq (8-(1″,10″-phenanthrol-2″-yl)-2-(pyrid-2'-yl)quinoline) ligand have been synthesized and fully characterized. Electrochemical measurements have shown that the formal monovalent complex [Co(ppq)(PPh3)]+ (2) undergoes two stepwise ligand-based electroreductions in DMF, affording a [Co(ppq)DMF]-1 species. Theoretical calculations have described the electronic structure of [Co(ppq)DMF]-1 as a low-spin Co(II) center coupling with a triple-reduced ppq radical ligand. In the presence of triethylammonium as the proton donor, the cobalt complex efficiently drives electrocatalytic hydrogen evolution with a maximum turnover frequency of thousands per second. A mechanistic investigation proposes an EECC H2-evolving pathway, where the second ligand-based redox process (E), generating the [Co(ppq)DMF]-1 intermediate, initiates proton reduction, and the second proton transfer process (C) is the rate-determining step. This work provides a unique example for understanding the role of redox-active ligands in electrocatalytic H2 evolution by transition metal sites.
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Affiliation(s)
- Jiale Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials, Guangzhou University, No. 230 Wai Huan Xi Road, Higher Education Mega Center, Guangzhou, 510006, PR China
| | - Rong-Zhen Liao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Frank W Heinemann
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Karsten Meyer
- Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, 91058 Erlangen, Germany
| | - Randolph P Thummel
- Department of Chemistry, 112 Fleming Building, University of Houston, Houston, Texas 77204-5003, United States
| | - Yaqiong Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Lianpeng Tong
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials, Guangzhou University, No. 230 Wai Huan Xi Road, Higher Education Mega Center, Guangzhou, 510006, PR China
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40
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He S, Huang F, Wu Q, Zhang P, Xiong Y, Yang J, Zhang R, Wang F, Chen L, Liu TL, Li F. Multiple‐Site Concerted Proton–Electron Transfer in a Manganese‐Based Complete Functional Model for [FeFe]‐Hydrogenase. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shuanglin He
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - Fang Huang
- College of Chemistry, Chemical Engineering and Materials Science Shandong Normal University Jinan 250014 P. R. China
| | - Qianqian Wu
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - Ping Zhang
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - Ying Xiong
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - Jie Yang
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - Rong Zhang
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116024 P. R. China
| | - Fang Wang
- Department of Chemistry and Biochemistry Utah State University College of Chemistry Logan Utah 84318 USA
| | - Lin Chen
- State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and Engineering Southwest University of Science and Technology Mianyang 621010 P. R. China
| | - T. Leo Liu
- Department of Chemistry and Biochemistry Utah State University College of Chemistry Logan Utah 84318 USA
| | - Fei Li
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116024 P. R. China
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41
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He S, Huang F, Wu Q, Zhang P, Xiong Y, Yang J, Zhang R, Wang F, Chen L, Liu TL, Li F. Multiple-Site Concerted Proton-Electron Transfer in a Manganese-Based Complete Functional Model for [FeFe]-Hydrogenase. Angew Chem Int Ed Engl 2021; 60:25839-25845. [PMID: 34595813 DOI: 10.1002/anie.202106983] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Indexed: 11/10/2022]
Abstract
The active site of [FeFe]-hydrogenase (H2 ase) is preorganized with an amine (azadithiolate) as a proton relay and a [4Fe4S] subunit as an electron reservoir, which together lower the overpotential for proton reduction and hydrogen oxidation by multiple-site concerted proton-electron transfer (MS-CPET). Herein, we report a mononuclear manganese complex, fac-[Mn(CO)3 (6-(2-hydroxyphenol)-2-pyridine-2-quinoline) Br] (1), as a rare model to fully mimic the functions of the H2 ase. In 1, a redox-active bidentate ligand with a pendent phenol replicates the roles of the electron reservoir and the proton relay in the enzyme. Experimental and theoretical studies revealed two consecutive MS-CPET processes in the catalytic cycle, in each of which an electron stored in the reductive ligand and a proton at the proximal phenol moiety are transferred to the Mn center in a concerted way. By virtue of this mechanism, complex 1 exhibited a low overpotential comparable to that of natural enzyme in electrochemical hydrogen production using phenol as a proton source.
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Affiliation(s)
- Shuanglin He
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Fang Huang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, P. R. China
| | - Qianqian Wu
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Ping Zhang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Ying Xiong
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Jie Yang
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - Rong Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, P. R. China
| | - Fang Wang
- Department of Chemistry and Biochemistry, Utah State University College of Chemistry, Logan, Utah, 84318, USA
| | - Lin Chen
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, P. R. China
| | - T Leo Liu
- Department of Chemistry and Biochemistry, Utah State University College of Chemistry, Logan, Utah, 84318, USA
| | - Fei Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, P. R. China
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Deeba R, Chardon‐Noblat S, Costentin C. Molecular Catalysis of Electrochemical Reactions: Competition between Reduction of the Substrate and Deactivation of the Catalyst by a Cosubstrate Application to N
2
O Reduction. ChemElectroChem 2021. [DOI: 10.1002/celc.202101064] [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]
Affiliation(s)
- Rana Deeba
- Univ Grenoble Alpes DCM CNRS 38000 Grenoble France
| | | | - Cyrille Costentin
- Univ Grenoble Alpes DCM CNRS 38000 Grenoble France
- Université de Paris 75006 Paris France
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43
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García-Álvarez AC, Gamboa-Ramírez S, Martínez-Otero D, Orio M, Castillo I. Self-assembled nickel cubanes as oxygen evolution catalysts. Chem Commun (Camb) 2021; 57:8608-8611. [PMID: 34369500 DOI: 10.1039/d1cc03227e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ni4O4 cubanes [(μ3-L1O)NiCl(MeOH)]4 (1) and [(μ3-L2O)NiCl(H2O)]4 (2) (L1OH = 1-H-2-benzimidazolylmethanol, L2OH = 1-methyl-2-benzimidazolylmethanol) self-assemble from commercially available 1-H- and 1-methyl-2-benzimidazolylmethanol and NiCl2·6H2O in high yields under mild conditions. Both complexes were characterised spectroscopically and by X-ray crystallography. The cubanes oxidise water electrocatalytically to dioxygen at neutral pH in aqueous potassium phosphate buffer solutions.
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Affiliation(s)
- Ana C García-Álvarez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, CU, Ciudad de México, 04510, Mexico.
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Wang CL, Yang H, Du J, Zhan SZ. Catalytic performance of a square planar nickel complex for electrochemical‐ and photochemical‐driven hydrogen evolution from water. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108780] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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45
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Determining the Overpotential of Electrochemical Fuel Synthesis Mediated by Molecular Catalysts: Recommended Practices, Standard Reduction Potentials, and Challenges. ChemElectroChem 2021. [DOI: 10.1002/celc.202100576] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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46
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Reyes Cruz EA, Nishiori D, Wadsworth BL, Khusnutdinova D, Karcher T, Landrot G, Lassalle‐Kaiser B, Moore GF. Six‐Electron Chemistry of a Binuclear Fe(III) Fused Porphyrin. ChemElectroChem 2021. [DOI: 10.1002/celc.202100550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Edgar A. Reyes Cruz
- School of Molecular Sciences (SMS) and the Biodesign Institute Center for Applied Structural Discovery (CASD) Arizona State University Tempe AZ 85287–1604 USA
| | - Daiki Nishiori
- School of Molecular Sciences (SMS) and the Biodesign Institute Center for Applied Structural Discovery (CASD) Arizona State University Tempe AZ 85287–1604 USA
| | - Brian L. Wadsworth
- School of Molecular Sciences (SMS) and the Biodesign Institute Center for Applied Structural Discovery (CASD) Arizona State University Tempe AZ 85287–1604 USA
| | - Diana Khusnutdinova
- School of Molecular Sciences (SMS) and the Biodesign Institute Center for Applied Structural Discovery (CASD) Arizona State University Tempe AZ 85287–1604 USA
| | - Timothy Karcher
- Eyring Materials Center Arizona State University Tempe AZ 85287–8301 USA
| | - Gautier Landrot
- Synchrotron SOLEIL L'Orme des Merisiers Saint-Aubin BP 48 91192 Gif-sur-Yvette Cedex France
| | | | - Gary F. Moore
- School of Molecular Sciences (SMS) and the Biodesign Institute Center for Applied Structural Discovery (CASD) Arizona State University Tempe AZ 85287–1604 USA
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Langerman M, Hetterscheid DGH. Mechanistic Study of the Activation and the Electrocatalytic Reduction of Hydrogen Peroxide by Cu-tmpa in Neutral Aqueous Solution. ChemElectroChem 2021; 8:2783-2791. [PMID: 34589379 PMCID: PMC8453753 DOI: 10.1002/celc.202100436] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/04/2021] [Indexed: 11/29/2022]
Abstract
Hydrogen peroxide plays an important role as an intermediate and product in the reduction of dioxygen by copper enzymes and mononuclear copper complexes. The copper(II) tris(2-pyridylmethyl)amine complex (Cu-tmpa) has been shown to produce H2O2 as an intermediate during the electrochemical 4-electron reduction of O2. We investigated the electrochemical hydrogen peroxide reduction reaction (HPRR) by Cu-tmpa in a neutral aqueous solution. The catalytic rate constant of the reaction was shown to be one order of magnitude lower than the reduction of dioxygen. A significant solvent kinetic isotope effect (KIE) of 1.4 to 1.7 was determined for the reduction of H2O2, pointing to a Fenton-like reaction pathway as the likely catalytic mechanism, involving a single copper site that produces an intermediate copper(II) hydroxo species and a free hydroxyl radical anion in the process.
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Affiliation(s)
- Michiel Langerman
- Leiden Institute of ChemistryLeiden UniversityP.O Box 95022300 RALeidenThe Netherlands
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48
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Ramuglia AR, Budhija V, Ly KH, Marquardt M, Schwalbe M, Weidinger IM. An Iron Porphyrin Complex with Pendant Pyridine Substituents Facilitates Electrocatalytic CO
2
Reduction via Second Coordination Sphere Effects. ChemCatChem 2021. [DOI: 10.1002/cctc.202100625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Anthony R. Ramuglia
- Fakultät Chemie und Lebensmittelchemie Technische Universität Dresden Zellescher Weg 19 01069 Dresden Germany
| | - Vishal Budhija
- Institute of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Khoa H. Ly
- Fakultät Chemie und Lebensmittelchemie Technische Universität Dresden Zellescher Weg 19 01069 Dresden Germany
| | - Michael Marquardt
- Institute of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Matthias Schwalbe
- Institute of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Inez M. Weidinger
- Fakultät Chemie und Lebensmittelchemie Technische Universität Dresden Zellescher Weg 19 01069 Dresden Germany
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49
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Sun D, Karippara Harshan A, Pécaut J, Hammes‐Schiffer S, Costentin C, Artero V. Hydrogen Evolution Mediated by Cobalt Diimine‐Dioxime Complexes: Insights into the Role of the Ligand Acid/Base Functionalities. ChemElectroChem 2021. [DOI: 10.1002/celc.202100413] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Dongyue Sun
- Univ. Grenoble Alpes CNRS CEA IRIG Laboratoire de Chimie et Biologie des Métaux 17 rue des Martyrs F-38054 Grenoble, Cedex France
| | - Aparna Karippara Harshan
- Department of Chemistry Pennsylvania State University University Park Pennsylvania 16802 United States
| | - Jacques Pécaut
- Univ. Grenoble Alpes CNRS CEA IRIG SyMMES 17 rue des Martyrs F-38054 Grenoble, Cedex France
| | | | - Cyrille Costentin
- Univ Grenoble Alpes CNRS DCM 38000 Grenoble France
- Université de Paris 75013 Paris France
| | - Vincent Artero
- Univ. Grenoble Alpes CNRS CEA IRIG Laboratoire de Chimie et Biologie des Métaux 17 rue des Martyrs F-38054 Grenoble, Cedex France
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50
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Pattanayak S, Berben LA. Cobalt Carbonyl Clusters Enable Independent Control of Two Proton Transfer Rates in the Mechanism for Hydrogen Evolution. ChemElectroChem 2021. [DOI: 10.1002/celc.202100402] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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