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Wu S, Stanley PM, Deger SN, Hussain MZ, Jentys A, Warnan J. Photochargeable Mn-Based Metal-Organic Framework and Decoupled Photocatalysis. Angew Chem Int Ed Engl 2024; 63:e202406385. [PMID: 39074974 DOI: 10.1002/anie.202406385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Indexed: 07/31/2024]
Abstract
Designing multifunctional materials that mimic the light-dark decoupling of natural photosynthesis is a key challenge in the field of energy conversion. Herein, we introduce MnBr-253, a precious metal-free metal-organic framework (MOF) built on Al nodes, bipyridine linkers and MnBr(CO)3(bipyridine) complexes. Upon irradiation, MnBr-253 colloids demonstrate an electron photocharging capacity of ~42 C ⋅ g-1 MOF, with state-of-the-art photocharging rate (1.28 C ⋅ s-1 ⋅ g-1 MOF) and incident photon-to-electron conversion efficiency of ~9.4 % at 450 nm. Spectroscopic and computational studies support effective electron accumulation at the Mn complex while high porosity and Mn loading account for the notable electron storage performance. The charged MnBr-253 powders were successfully applied for hydrogen evolution under dark conditions thus emulating the light-decoupled reactivity of photosynthesis.
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Affiliation(s)
- Shufan Wu
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
| | - Philip M Stanley
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
| | - Simon N Deger
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
| | - Mian Zahid Hussain
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
| | - Andreas Jentys
- Chair of Industrial Chemistry and Heterogenous Catalysis, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
| | - Julien Warnan
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry, and Catalysis Research Center (CRC), TUM School of Natural Sciences, Technical University of Munich, Garching, Germany
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2
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Sun H, Liu X, Li Y, Zhang F, Huang X, Sun C, Huang F. Mechanistic insights of electrocatalytic CO 2 reduction by Mn complexes: synergistic effects of the ligands. Dalton Trans 2024; 53:1663-1672. [PMID: 38168800 DOI: 10.1039/d3dt03453d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
The electrocatalytic mechanisms of CO2 reduction catalyzed by pyridine-oxazoline (pyrox)-based Mn catalysts were investigated by DFT calculations. In-depth comparative analyses of pyrox-based and bipyridine-based Mn complexes were carried out. C-OH cleavage is the rate-determining step for both the protonation-first path and the reduction-first path. The free energy of CO2 activation (ΔG1) and the electrons donated by CO ligands in this step are effective descriptors in regulating the C-OH cleavage barrier. The reduction of carboxylate complex 6 (E6) is the potential-determining step for the reduction-first path. Meanwhile, for the protonation-first path, the initial generation (E2) or the regeneration (E8) of active catalyst might be potential-determining. Hirshfeld charge and orbital contribution analysis indicate that E6 is definitely based on the heterocyclic ligand and E2 is related to both the heterocyclic ligand and three CO ligands. Therefore, replacement of the CO ligand by a stronger electron donating ligand can effectively boost the catalytic activity of CO2 reduction without increasing the overpotential in the reduction-first path. This hypothesis is supported by the mechanism calculations of the Mn complex in which the axial CO ligand is replaced by a pyridine or PMe3.
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Affiliation(s)
- Haitao Sun
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Xueqing Liu
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Yafeng Li
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Fang Zhang
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Xiuxiu Huang
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Chuanzhi Sun
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
| | - Fang Huang
- Department of Assets and Laboratory Management, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China.
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3
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Liu DC, Luo ZM, Aramburu-Trošelj BM, Ma F, Wang JW. Cobalt-based tripodal complexes as molecular catalysts for photocatalytic CO 2 reduction. Chem Commun (Camb) 2023. [PMID: 37962468 DOI: 10.1039/d3cc04759h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Construction of artificial photosynthetic systems including CO2 reduction is a promising pathway to produce carbon-neutral fuels and mitigate the greenhouse effect concurrently. However, the exploitation of earth-abundant catalysts for photocatalytic CO2 reduction remains a fundamental challenge, which can be assisted by a systematic summary focusing on a specific catalyst family. Cobalt-based complexes featuring tripodal ligands should merit more insightful discussion and summarization, as they are one of the most examined catalyst families for CO2 photoreduction. In this feature article, the key developments of cobalt-based tripodal complexes as molecular catalysts for light-driven CO2 reduction are discussed to offer an upcoming perspective, analyzing the present progress in electronic/steric tuning through ligand modification and dinuclear design to achieve a synergistic effect, as well as the bottlenecks for further development.
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Affiliation(s)
- Dong-Cheng Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Yucai Road No. 15, Guilin 541004, China.
| | - Zhi-Mei Luo
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Bruno M Aramburu-Trošelj
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Inorgánica, Analítica y Química Física, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Fan Ma
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Jia-Wei Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
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4
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Radzhabov MR, Mankad NP. Activation of robust bonds by carbonyl complexes of Mn, Fe and Co. Chem Commun (Camb) 2023; 59:11932-11946. [PMID: 37727948 DOI: 10.1039/d3cc03078d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Metal carbonyl complexes possess among the most storied histories of any compound class in organometallic chemistry. Nonetheless, these old dogs continue to be taught new tricks. In this Feature, we review the historic discoveries and recent advances in cleaving robust bonds (e.g., C-H, C-O, C-F) using carbonyl complexes of three metals: Mn, Fe, and Co. The use of Mn, Fe, and Co carbonyl catalysts in controlling selectivity during hydrofunctionalization reactions is also discussed. The chemistry of these earth-abundant metals in the field of robust bond functionalization is particularly relevant in the context of sustainability. We expect that an up-to-date perspective on these seemingly simple organometallic species will emphasize the wellspring of reactivity that continues to be available for discovery.
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Affiliation(s)
- Maxim R Radzhabov
- Department of Chemistry, University of Illinois Chicago, Chicago, Illinois 60607, USA.
| | - Neal P Mankad
- Department of Chemistry, University of Illinois Chicago, Chicago, Illinois 60607, USA.
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5
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Young RJ, Huxley MT, Wu L, Hart J, O'Shea J, Doonan CJ, Champness NR, Sumby CJ. Studying manganese carbonyl photochemistry in a permanently porous metal-organic framework. Chem Sci 2023; 14:9409-9417. [PMID: 37712014 PMCID: PMC10498678 DOI: 10.1039/d3sc03553k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 08/14/2023] [Indexed: 09/16/2023] Open
Abstract
Mn(diimine)(CO)3X (X = halide) complexes are critical components of chromophores, photo- and electrocatalysts, and photoactive CO-releasing molecules (photoCORMs). While these entities have been incorporated into metal-organic frameworks (MOFs), a detailed understanding of the photochemical and chemical processes that occur in a permanently porous support is lacking. Here we site-isolate and study the photochemistry of a Mn(diimine)(CO)3Br moiety anchored within a permanently porous MOF support, allowing for not only the photo-liberation of CO from the metal but also its escape from the MOF crystals. In addition, the high crystallinity and structural flexibility of the MOF allows crystallographic snapshots of the photolysis products to be obtained. We report these photo-crystallographic studies in the presence of coordinating solvents, THF and acetonitrile, showing the changing coordination environment of the Mn species as CO loss proceeds. Using time resolved experiments, we report complementary spectroscopic studies of the photolysis chemistry and characterize the final photolysis product as a possible Mn(ii) entity. These studies inform the chemistry that occurs in MOF-based photoCORMs and where these moieties are employed as catalysts.
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Affiliation(s)
- Rosemary J Young
- Department of Chemistry and the Centre for Advanced Nanomaterials, The University of Adelaide Adelaide Australia
- School of Chemistry, The University of Nottingham Nottingham UK
| | - Michael T Huxley
- Department of Chemistry and the Centre for Advanced Nanomaterials, The University of Adelaide Adelaide Australia
| | - Lingjun Wu
- School of Chemistry, The University of Nottingham Nottingham UK
| | - Jack Hart
- School of Chemistry, The University of Nottingham Nottingham UK
| | - James O'Shea
- School of Chemistry, The University of Nottingham Nottingham UK
| | - Christian J Doonan
- Department of Chemistry and the Centre for Advanced Nanomaterials, The University of Adelaide Adelaide Australia
| | - Neil R Champness
- School of Chemistry, The University of Nottingham Nottingham UK
- School of Chemistry, The University of Birmingham Birmingham UK
| | - Christopher J Sumby
- Department of Chemistry and the Centre for Advanced Nanomaterials, The University of Adelaide Adelaide Australia
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6
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Bauer N, Yuan Z, Yang X, Wang B. Plight of CORMs: The unreliability of four commercially available CO-releasing molecules, CORM-2, CORM-3, CORM-A1, and CORM-401, in studying CO biology. Biochem Pharmacol 2023; 214:115642. [PMID: 37321416 PMCID: PMC10529722 DOI: 10.1016/j.bcp.2023.115642] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 06/17/2023]
Abstract
Carbon monoxide (CO) is an endogenously produced gaseous signaling molecule with demonstrated pharmacological effects. In studying CO biology, three delivery forms have been used: CO gas, CO in solution, and CO donors of various types. Among the CO donors, four carbonyl complexes with either a transition metal ion or borane (BH3) (termed CO-releasing molecules or CORMs) have played the most prominent roles appearing in over 650 publications. These are CORM-2, CORM-3, CORM-A1, and CORM-401. Intriguingly, there have been unique biology findings that were only observed with these CORMs, but not CO gas; yet these properties were often attributed to CO, raising puzzling questions as to why CO source would make such a fundamental difference in terms of CO biology. Recent years have seen a large number of reports of chemical reactivity (e.g., catalase-like activity, reaction with thiol, and reduction of NAD(P)+) and demonstrated CO-independent biological activity for these four CORMs. Further, CORM-A1 releases CO in an idiosyncratic fashion; CO release from CORM-401 is strongly influenced or even dependent on reaction with an oxidant and/or a nucleophile; CORM-2 mostly releases CO2, not CO, after a water-gas shift reaction except in the presence of a strong nucleophile; and CORM-3 does not release CO except in the presence of a strong nucleophile. All these beg the question as to what constitutes an appropriate CO donor for studying CO biology. This review critically summarizes literature findings related to these aspects, with the aim of helping result interpretation when using these CORMs and development of essential criteria for an appropriate donor for studying CO biology.
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Affiliation(s)
- Nicola Bauer
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Zhengnan Yuan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Xiaoxiao Yang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA.
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7
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Cohen KY, Nedd DG, Evans R, Bocarsly AB. Mechanistic insights into CO 2 conversion to CO using cyano manganese complexes. Dalton Trans 2023. [PMID: 37183860 DOI: 10.1039/d3dt00891f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Without the use of a photosensitizer, [Mn(bpy)(CO)3(CN)] (MnCN) can photochemically form [Mn(bpy)(CO)3]-, the active species for CO2 reduction. While cases of the axial X-ligand dissociating upon irradiation of fac-[M(N-N)(CO)3X] complexes (M = Mn or Re; N-N = bipyridine (bpy) ligand; X = halogen or pseudohalogen) are well documented, the axial cyanide ligand is retained when either [Mn(bpy)(CO)3(CN)] or [Mn(mesbpy)(CO)3(CN)], MnCN(mesbpy), are irradiated anaerobically. Infrared and UV-vis spectroscopies indicate the formation of [Mn(bpy)(CO)2(MeCN)(CN)] (s-MnCN) as the primary product during the irradiation of MnCN. An in-depth analysis of the photochemical mechanism for the formation of [Mn(bpy)(CO)3]- from MnCN is presented. MnCN(mesbpy) is too sterically hindered to undergo the same photochemical mechanism as MnCN. However, MnCN(mesbpy) is found to be electrocatalytically active for CO2 reduction to CO. Thus providing an interesting distinction between photochemical and electrochemical charge transfer.
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Affiliation(s)
- Kailyn Y Cohen
- Department of Chemistry, Frick Laboratory, Princeton University, Princeton, New Jersey, USA.
| | - Delaan G Nedd
- Department of Chemistry, Frick Laboratory, Princeton University, Princeton, New Jersey, USA.
| | - Rebecca Evans
- Department of Chemistry, Frick Laboratory, Princeton University, Princeton, New Jersey, USA.
| | - Andrew B Bocarsly
- Department of Chemistry, Frick Laboratory, Princeton University, Princeton, New Jersey, USA.
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8
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Mechanistic insights into the electroreduction of CO2 by a phosphine-nitrogen-coordinated manganese carbonyl complex for CO2-to-CO conversion over H2 formation. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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9
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Hong W, Luthra M, Jakobsen JB, Madsen MR, Castro AC, Hammershøj HCD, Pedersen SU, Balcells D, Skrydstrup T, Daasbjerg K, Nova A. Exploring the Parameters Controlling Product Selectivity in Electrochemical CO 2 Reduction in Competition with Hydrogen Evolution Employing Manganese Bipyridine Complexes. ACS Catal 2023; 13:3109-3119. [PMID: 36910875 PMCID: PMC9990071 DOI: 10.1021/acscatal.2c05951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/30/2023] [Indexed: 02/18/2023]
Abstract
Selective reduction of CO2 is an efficient solution for producing nonfossil-based chemical feedstocks and simultaneously alleviating the increasing atmospheric concentration of this greenhouse gas. With this aim, molecular electrocatalysts are being extensively studied, although selectivity remains an issue. In this work, a combined experimental-computational study explores how the molecular structure of Mn-based complexes determines the dominant product in the reduction of CO2 to HCOOH, CO, and H2. In contrast to previous Mn(bpy-R)(CO)3Br catalysts containing alkyl amines in the vicinity of the Br ligand, here, we report that bpy-based macrocycles locking these amines at the side opposite to the Br ligand change the product selectivity from HCOOH to H2. Ab initio molecular dynamics simulations of the active species showed that free rotation of the Mn(CO)3 moiety allows for the approach of the protonated amine to the reactive center yielding a Mn-hydride intermediate, which is the key in the formation of H2 and HCOOH. Additional studies with DFT methods showed that the macrocyclic moiety hinders the insertion of CO2 to the metal hydride favoring the formation of H2 over HCOOH. Further, our results suggest that the minor CO product observed experimentally is formed when CO2 adds to Mn on the side opposite to the amine ligand before protonation. These results show how product selectivity can be modulated by ligand design in Mn-based catalysts, providing atomistic details that can be leveraged in the development of a fully selective system.
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Affiliation(s)
- Wanwan Hong
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Mahika Luthra
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, 0315 Oslo, Norway
| | - Joakim B Jakobsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Monica R Madsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Abril C Castro
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, 0315 Oslo, Norway
| | - Hans Christian D Hammershøj
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Steen U Pedersen
- Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - David Balcells
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, 0315 Oslo, Norway
| | - Troels Skrydstrup
- Carbon Dioxide Activation Center (CADIAC), Novo Nordisk Foundation (NNF) CO2 Research Center, Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Kim Daasbjerg
- Novo Nordisk Foundation (NNF) CO2 Research Center, Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 10C, 8000 Aarhus C, Denmark
| | - Ainara Nova
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, 0315 Oslo, Norway.,Centre for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo, 0315 Oslo, Norway
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10
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Blasczak V, McKinnon M, Suntrup L, Aminudin NA, Reed B, Groysman S, Ertem MZ, Grills DC, Rochford J. Steric and Lewis Basicity Influence of the Second Coordination Sphere on Electrocatalytic CO 2 Reduction by Manganese Bipyridyl Complexes. Inorg Chem 2022; 61:15784-15800. [PMID: 36162397 DOI: 10.1021/acs.inorgchem.2c02586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This study aims to provide a greater insight into the balance between steric (bpy vs (Ph)2bpy vs mes2bpy ligands) and Lewis basic ((Ph)2bpy vs (MeOPh)2bpy vs (MeSPh)2bpy ligands) influence on the efficiencies of the protonation-first vs reduction-first CO2 reduction mechanisms with [MnI(R2bpy)(CO)3(CH3CN)]+ precatalysts, and on their respective transition-state geometries/energies for rate-determining C-OH bond cleavage toward CO evolution. The presence of only modest steric bulk at the 6,6'-diphenyl-2,2'-bipyridyl ((Ph)2bpy) ligand has here allowed unique insight into the mechanism of catalyst activation and CO2 binding by navigating a perfect medium between the nonsterically encumbered bpy-based and the highly sterically encumbered mes2bpy-based precatalysts. Cyclic voltammetry conducted in CO2-saturated electrolyte for the (Ph)2bpy-based precatalyst [2-CH3CN]+ confirms that CO2 binding occurs at the two-electron-reduced activated catalyst [2]- in the absence of an excess proton source, in contrast to prior assumptions that all manganese catalysts require a strong acid for CO2 binding. This observation is supported by computed free energies of the parent-child reaction for [Mn-Mn]0 dimer formation, where increased steric hindrance relative to the bpy-based precatalyst correlates with favorable CO2 binding. A critical balance must be adhered to, however, as the absence of steric bulk in the bpy-based precatalyst [1-CH3CN]+ maintains a lower overpotential than [2-CH3CN]+ at the protonation-first pathway with comparable kinetic performance, whereas an ∼2-fold greater TOFmax is observed at its reduction-first pathway with an almost identical overpotential as [2-CH3CN]+. Notably, excessive steric bulk in the mes2bpy-based precatalyst [3-CH3CN]+ results in increased activation free energies of the C-OH bond cleavage transition states for both the protonation-first and the reduction-first pathways relative to both [1-CH3CN]+ and [2-CH3CN]+. In fact, [3-CH3CN]+ requires a 1 V window beyond its onset potential to reach its peak catalytic current, which is in contrast to the narrower (<0.30 V) potential response window of the remaining catalysts here studied. Voltammetry recorded under 1 atm of CO2 with 2.8 M (5%) H2O establishes [2-CH3CN]+ to have the lowest overpotential (η = 0.75 V) in the series here studied, attributed to its ability to lie "on the fence" when providing sufficient steric bulk to hinder (but not prevent) [Mn-Mn]0 dimerization, while simultaneously having a limited steric impact on the free energy of activation for the rate-determining C-OH bond cleavage transition state. While the methoxyphenyl bpy-based precatalyst [4-CH3CN]+ possesses an increased steric presence relative to [2-CH3CN]+, this is offset by its capacity to stabilize the C-OH bond cleavage transition states of both the protonation-first and the reduction-first pathways by facilitating second coordination sphere H-bonding stabilization.
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Affiliation(s)
- Vanna Blasczak
- Department of Chemistry, University of Massachusetts─Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, United States
| | - Meaghan McKinnon
- Department of Chemistry, University of Massachusetts─Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, United States
| | - Lisa Suntrup
- Department of Chemistry, University of Massachusetts─Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, United States
| | - Nur Alisa Aminudin
- Department of Chemistry, University of Massachusetts─Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, United States
| | - Blake Reed
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Stanislav Groysman
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Mehmed Z Ertem
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - David C Grills
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Jonathan Rochford
- Department of Chemistry, University of Massachusetts─Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, United States
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11
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Armstrong CG, Potter M, Malcomson T, Hogue RW, Armstrong SM, Kerridge A, Toghill KE. Exploring the Electrochemistry of Iron Dithiolene and Its Potential for Electrochemical Homogeneous Carbon Dioxide Reduction. ChemElectroChem 2022; 9:e202200610. [PMID: 36246849 PMCID: PMC9546257 DOI: 10.1002/celc.202200610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this work, the dithiolene complex iron(III) bis-maleonitriledithiolene [Fe(mnt)2] is characterised and evaluated as a homogeneous CO2 reduction catalyst. Electrochemically the Fe(mnt)2 is reduced twice to the trianionic Fe(mnt)2 3- state, which is correspondingly found to be active towards CO2. Interestingly, the first reduction event appears to comprise overlapping reversible couples, attributed to the presence of both a dimeric and monomeric form of the dithiolene complex. In acetonitrile Fe(mnt)2 demonstrates a catalytic response to CO2 yielding typical two-electron reduction products: H2, CO and CHOOH. The product distribution and yield were governed by the proton source. Operating with H2O as the proton source gave only H2 and CO as products, whereas using 2,2,2-trifluoroethanol gave 38 % CHOOH faradaic efficiency with H2 and CO as minor products.
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Affiliation(s)
- Craig G. Armstrong
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
| | - Mark Potter
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
| | - Thomas Malcomson
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
- Department of ChemistrySchool of Natural SciencesThe University of ManchesterManchesterM13 9PLUnited Kingdom
| | - Ross W. Hogue
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
- Leiden Institute of ChemistryLIC/Energy & SustainabilityGorlaeus LaboratoriesEinsteinweg 552333 CCLeiden
| | | | - Andrew Kerridge
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
| | - Kathryn E. Toghill
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUnited Kingdom
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12
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Xue SS, Pan Y, Pan W, Liu S, Li N, Tang B. Bioimaging agents based on redox-active transition metal complexes. Chem Sci 2022; 13:9468-9484. [PMID: 36091899 PMCID: PMC9400682 DOI: 10.1039/d2sc02587f] [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: 05/09/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
Detecting the fluctuation and distribution of various bioactive species in biological systems is of great importance in determining diseases at their early stages. Metal complex-based probes have attracted considerable attention in bioimaging applications owing to their unique advantages, such as high luminescence, good photostability, large Stokes shifts, low toxicity, and good biocompatibility. In this review, we summarized the development of redox-active transition metal complex-based probes in recent five years with the metal ions of iron, manganese, and copper, which play essential roles in life and can avoid the introduction of exogenous metals into biological systems. The designing principles that afford these complexes with optical or magnetic resonance (MR) imaging properties are elucidated. The applications of the complexes for bioimaging applications of different bioactive species are demonstrated. The current challenges and potential future directions of these probes for applications in biological systems are also discussed.
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Affiliation(s)
- Shan-Shan Xue
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
| | - Yingbo Pan
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
| | - Wei Pan
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
| | - Shujie Liu
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
| | - Na Li
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Centre of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University Jinan 250014 P. R. China
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13
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Shipp J, Parker S, Spall S, Peralta-Arriaga SL, Robertson CC, Chekulaev D, Portius P, Turega S, Buckley A, Rothman R, Weinstein JA. Photocatalytic Reduction of CO 2 to CO in Aqueous Solution under Red-Light Irradiation by a Zn-Porphyrin-Sensitized Mn(I) Catalyst. Inorg Chem 2022; 61:13281-13292. [PMID: 35960651 PMCID: PMC9446891 DOI: 10.1021/acs.inorgchem.2c00091] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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This work demonstrates photocatalytic CO2 reduction
by a noble-metal-free photosensitizer-catalyst system in aqueous solution
under red-light irradiation. A water-soluble Mn(I) tricarbonyl diimine
complex, [MnBr(4,4′-{Et2O3PCH2}2-2,2′-bipyridyl)(CO)3] (1), has been fully characterized, including single-crystal X-ray crystallography,
and shown to reduce CO2 to CO following photosensitization
by tetra(N-methyl-4-pyridyl)porphyrin Zn(II) tetrachloride
[Zn(TMPyP)]Cl4 (2) under 625 nm irradiation.
This is the first example of 2 employed as a photosensitizer
for CO2 reduction. The incorporation of −P(O)(OEt)2 groups, decoupled from the core of the catalyst by a −CH2– spacer, afforded water solubility without compromising
the electronic properties of the catalyst. The photostability of the
active Mn(I) catalyst over prolonged periods of irradiation with red
light was confirmed by 1H and 13C{1H} NMR spectroscopy. This first report on Mn(I) species as a homogeneous
photocatalyst, working in water and under red light, illustrates further
future prospects of intrinsically photounstable Mn(I) complexes as
solar-driven catalysts in an aqueous environment. A Mn(I) bipyridyl tricarbonyl complex,
where the diimine
ligand is functionalized with water-solubilizing phosphonate ester
groups, has been prepared and is shown to catalytically convert CO2 to CO in aqueous solution following photosensitization from
a water-soluble Zn(II) porphyrin under red-light irradiation.
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Affiliation(s)
- James Shipp
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Simon Parker
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Steven Spall
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | | | - Craig C Robertson
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Dimitri Chekulaev
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Peter Portius
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Simon Turega
- Department of Chemistry, Sheffield Hallam University, Sheffield S1 1WB, U.K
| | - Alastair Buckley
- Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, U.K
| | - Rachael Rothman
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, U.K
| | - Julia A Weinstein
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
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14
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Electrochemical and Light-driven CO2 reduction by Amine-Functionalized rhenium Catalysts: A comparison between primary and tertiary amine substitutions. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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15
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Towards ligand simplification in manganese-catalyzed hydrogenation and hydrosilylation processes. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214421] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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16
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Kossmann J, Sánchez-Manjavacas MLO, Brandt J, Heil T, López-Salas N, Albero J. Mn(II) sub-nanometric site stabilization in noble, N-doped carbonaceous materials for electrochemical CO 2 reduction. Chem Commun (Camb) 2022; 58:4841-4844. [PMID: 35348156 DOI: 10.1039/d2cc00585a] [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
The preparation of stable and efficient electrocatalysts comprising abundant and non-critical row-materials is of paramount importance for their industrial implementation. Herein, we present a simple synthetic route to prepare Mn(II) sub-nanometric active sites over a highly N-doped noble carbonaceous support. This support not only promotes a strong stabilization of the Mn(II) sites, improving its stability against oxidation, but also provides a convenient coordination environment in the Mn(II) sites able to produce CO, HCOOH and CH3COOH from electrochemical CO2 reduction.
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Affiliation(s)
- Janina Kossmann
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
| | - Maria Luz Ortiz Sánchez-Manjavacas
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
| | - Jessica Brandt
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
| | - Tobias Heil
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
| | - Nieves López-Salas
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
| | - Josep Albero
- Max Planck Institute of Colloids and Interfaces, Research Campus Golm, D-14424 Potsdam, Germany.,University of Potsdam, D-14424 Potsdam, Germany.
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17
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Siritanaratkul B, Eagle C, Cowan AJ. Manganese Carbonyl Complexes as Selective Electrocatalysts for CO 2 Reduction in Water and Organic Solvents. Acc Chem Res 2022; 55:955-965. [PMID: 35285618 PMCID: PMC9007415 DOI: 10.1021/acs.accounts.1c00692] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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The electrochemical
reduction
of CO2 provides a way
to sustainably generate carbon-based fuels and feedstocks. Molecular
CO2 reduction electrocatalysts provide tunable reaction
centers offering an approach to control the selectivity of catalysis.
Manganese carbonyl complexes, based on [Mn(bpy)(CO)3Br]
and its derivatives (bpy = 2,2′-bipyridine), are particularly
interesting due to their ease of synthesis and the use of a first-row
earth-abundant transition metal. [Mn(bpy)(CO)3Br] was first
shown to be an active and selective catalyst for reducing CO2 to CO in organic solvents in 2011. Since then, manganese carbonyl
catalysts have been widely studied with numerous reports of their
use as electrocatalysts and photocatalysts and studies of their mechanism. This class of Mn catalysts only shows CO2 reduction
activity with the addition of weak Brønsted acids. Perhaps surprisingly,
early reports showed increased turnover frequencies as the acid strength
is increased without a loss in selectivity toward CO evolution. It
may have been expected that the competing hydrogen evolution
reaction could have led to lower selectivity. Inspired by these works
we began to explore if the catalyst would work in protic solvents,
namely, water, and to explore the pH range over which it can operate.
Here we describe the early studies from our laboratory that first
demonstrated the use of manganese carbonyl complexes in water and
then go on to discuss wider developments on the use of these catalysts
in water, highlighting their potential as catalysts for use in aqueous
CO2 electrolyzers. Key to the excellent selectivity
of these catalysts in the presence
of Brønsted acids is a proton-assisted CO2 binding
mechanism, where for the acids widely studied, lower pKa values actually favor CO2 binding over Mn–H
formation, a precursor to H2 evolution. Here we discuss
the wider literature before focusing on our own contributions in validating
this previously proposed mechanism through the use of vibrational
sum frequency generation (VSFG) spectroelectrochemistry. This allowed
us to study [Mn(bpy)(CO)3Br] while it is at, or near, the
electrode surface, which provided a way to identify new catalytic
intermediates and also confirm that proton-assisted CO2 binding operates in both the “dimer” and primary (via
[Mn(bpy)(CO)3]−) pathways. Understanding
the mechanism of how these highly selective catalysts operate is important
as we propose that the Mn complexes will be valuable models to guide
the development of new proton/acid tolerant CO2 reduction
catalysts.
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Affiliation(s)
- Bhavin Siritanaratkul
- Stephenson Institute for Renewable Energy and the Department of Chemistry, University of Liverpool, Liverpool L69 7ZF, U.K
| | - Catherine Eagle
- Stephenson Institute for Renewable Energy and the Department of Chemistry, University of Liverpool, Liverpool L69 7ZF, U.K
| | - Alexander J. Cowan
- Stephenson Institute for Renewable Energy and the Department of Chemistry, University of Liverpool, Liverpool L69 7ZF, U.K
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18
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Gong H, Cui T, Liu Z, Zheng Y, Zheng X, Fu H, Yuan M, Chen H, Xu J, Li R. Nitrogen–nitrogen-functionalized N-heterocyclic carbene ruthenium( ii) complexes realized efficient CO 2 hydrogenation to formate. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00741j] [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
Three new Ru–CNN complexes are synthesized for the hydrogenation of CO2 to formate. The Ru–CNN complex exhibits a long lifetime of over 400 h at 170 °C with a high TON of 6.5 × 105.
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Affiliation(s)
- Huihua Gong
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Tianhua Cui
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Zheyuan Liu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Yanling Zheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Xueli Zheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Haiyan Fu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Maolin Yuan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Hua Chen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Jiaqi Xu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Ruixiang Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
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19
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Highly active electrocatalytic CO2 reduction with manganese N-heterocyclic carbene pincer by para electronic tuning. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.06.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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Vigneswaran V, Abhyankar PC, MacMillan SN, Lacy DC. H2 Activation across Manganese(I)–C Bonds: Atypical Metal–Ligand Cooperativity in the Aromatization/Dearomatization Paradigm. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vipulan Vigneswaran
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Preshit C. Abhyankar
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
| | - Samantha N. MacMillan
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - David C. Lacy
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
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21
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Madsen MR, Rønne MH, Heuschen M, Golo D, Ahlquist MSG, Skrydstrup T, Pedersen SU, Daasbjerg K. Promoting Selective Generation of Formic Acid from CO 2 Using Mn(bpy)(CO) 3Br as Electrocatalyst and Triethylamine/Isopropanol as Additives. J Am Chem Soc 2021; 143:20491-20500. [PMID: 34813304 DOI: 10.1021/jacs.1c10805] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Urgent solutions are needed to efficiently convert the greenhouse gas CO2 into higher-value products. In this work, fac-Mn(bpy)(CO)3Br (bpy = 2,2'-bipyridine) is employed as electrocatalyst in reductive CO2 conversion. It is shown that product selectivity can be shifted from CO toward HCOOH using appropriate additives, i.e., Et3N along with iPrOH. A crucial aspect of the strategy is to outrun the dimer-generating parent-child reaction involving fac-Mn(bpy)(CO)3Br and [Mn(bpy)(CO)3]- and instead produce the Mn hydride intermediate. Preferentially, this is done at the first reduction wave to enable formation of HCOOH at an overpotential as low as 260 mV and with faradaic efficiency of 59 ± 1%. The latter may be increased to 71 ± 3% at an overpotential of 560 mV, using 2 M concentrations of both Et3N and iPrOH. The nature of the amine additive is crucial for product selectivity, as the faradaic efficiency for HCOOH formation decreases to 13 ± 4% if Et3N is replaced with Et2NH. The origin of this difference lies in the ability of Et3N/iPrOH to establish an equilibrium solution of isopropyl carbonate and CO2, while with Et2NH/iPrOH, formation of the diethylcarbamic acid is favored. According to density-functional theory calculations, CO2 in the former case can take part favorably in the catalytic cycle, while this is less opportune in the latter case because of the CO2-to-carbamic acid conversion. This work presents a straightforward procedure for electrochemical reduction of CO2 to HCOOH by combining an easily synthesized manganese catalyst with commercially available additives.
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Affiliation(s)
- Monica R Madsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Magnus H Rønne
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Marvin Heuschen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Dusanka Golo
- Department of Theoretical Chemistry & Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691 Stockholm, Sweden
| | - Mårten S G Ahlquist
- Department of Theoretical Chemistry & Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10691 Stockholm, Sweden
| | - Troels Skrydstrup
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Steen U Pedersen
- Department of Chemistry, Interdisciplinary Nanoscience Center, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
| | - Kim Daasbjerg
- Department of Chemistry, Interdisciplinary Nanoscience Center, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
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22
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Huang C, Liu J, Huang HH, Ke Z. Recent progress in electro- and photo-catalytic CO2 reduction using N-heterocyclic carbene transition metal complexes. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Dubed Bandomo GC, Mondal SS, Franco F, Bucci A, Martin-Diaconescu V, Ortuño MA, van Langevelde PH, Shafir A, López N, Lloret-Fillol J. Mechanically Constrained Catalytic Mn(CO) 3Br Single Sites in a Two-Dimensional Covalent Organic Framework for CO 2 Electroreduction in H 2O. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00314] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Geyla C. Dubed Bandomo
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Suvendu Sekhar Mondal
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Federico Franco
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Alberto Bucci
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Vlad Martin-Diaconescu
- ALBA Synchrotron Light Source, Carretera BP 1413, Km. 3.3, Cerdanyola del Vallès, Barcelona 08290, Spain
| | - Manuel A. Ortuño
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Phebe H. van Langevelde
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Núria López
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Julio Lloret-Fillol
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, Tarragona 43007, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluïs Companys, 23, Barcelona 08010, Spain
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24
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Rønne MH, Madsen MR, Skrydstrup T, Pedersen SU, Daasbjerg K. Mechanistic Elucidation of Dimer Formation and Strategies for Its Suppression in Electrochemical Reduction of
Fac
‐Mn(bpy)(CO)
3
Br. ChemElectroChem 2021. [DOI: 10.1002/celc.202100279] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Magnus H. Rønne
- Carbon Dioxide Activation Center (CADIAC) Interdisciplinary Nanoscience Center Department of Chemistry Aarhus University Gustav Wieds Vej 14 8000 Aarhus C Denmark
| | - Monica R. Madsen
- Carbon Dioxide Activation Center (CADIAC) Interdisciplinary Nanoscience Center Department of Chemistry Aarhus University Gustav Wieds Vej 14 8000 Aarhus C Denmark
| | - Troels Skrydstrup
- Carbon Dioxide Activation Center (CADIAC) Interdisciplinary Nanoscience Center Department of Chemistry Aarhus University Gustav Wieds Vej 14 8000 Aarhus C Denmark
| | - Steen U. Pedersen
- Interdisciplinary Nanoscience Center Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
| | - Kim Daasbjerg
- Interdisciplinary Nanoscience Center Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
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25
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Progress of electrochemical CO2 reduction reactions over polyoxometalate-based materials. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63718-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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26
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Cercola R, Wong NGK, Rhodes C, Olijnyk L, Mistry NS, Hall LM, Berenbeim JA, Lynam JM, Dessent CEH. A "one pot" mass spectrometry technique for characterizing solution- and gas-phase photochemical reactions by electrospray mass spectrometry. RSC Adv 2021; 11:19500-19507. [PMID: 35479237 PMCID: PMC9033567 DOI: 10.1039/d1ra02581c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/17/2021] [Indexed: 12/28/2022] Open
Abstract
The characterization of new photochemical pathways is important to progress the understanding of emerging areas of light-triggered inorganic and organic chemistry. In this context, the development of platforms to perform routine characterization of photochemical reactions remains an important goal for photochemists. Here, we demonstrate a new instrument that can be used to characterise both solution-phase and gas-phase photochemical reactions through electrospray ionisation mass spectrometry (ESI-MS). The gas-phase photochemistry is studied by novel laser-interfaced mass spectrometry (LIMS), where the molecular species of interest is introduced to the gas-phase by ESI, mass-selected and then subjected to laser photodissociation in the ion-trap. On-line solution-phase photochemistry is initiated by LEDs prior to ESI-MS in the same instrument with ESI-MS again being used to monitor photoproducts. Two ruthenium metal carbonyls, [Ru(η5-C5H5)(PPh3)2CO][PF6] and [Ru(η5-C5H5)(dppe)CO][PF6] (dppe = 1,2-bis(diphenylphosphino)ethane) are studied using this methodology. We show that the gas-phase photofragmentation pathways observed for the ruthenium complexes via LIMS (i.e. loss of CO + PPh3 ligands from [Ru(η5-C5H5)(PPh3)2CO]+ and loss of just CO from [Ru(η5-C5H5)(dppe)CO]+) mirror the solution-phase photochemistry at 3.4 eV. The advantages of performing the gas-phase and solution-phase photochemical characterisations in a single instrument are discussed.
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Affiliation(s)
- Rosaria Cercola
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Natalie G K Wong
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Chris Rhodes
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Lorna Olijnyk
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Neetisha S Mistry
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Lewis M Hall
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Jacob A Berenbeim
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Jason M Lynam
- Department of Chemistry, University of York Heslington York YO10 5DD UK
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27
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Kinzel NW, Werlé C, Leitner W. Transition Metal Complexes as Catalysts for the Electroconversion of CO 2 : An Organometallic Perspective. Angew Chem Int Ed Engl 2021; 60:11628-11686. [PMID: 33464678 PMCID: PMC8248444 DOI: 10.1002/anie.202006988] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/11/2020] [Indexed: 12/17/2022]
Abstract
The electrocatalytic transformation of carbon dioxide has been a topic of interest in the field of CO2 utilization for a long time. Recently, the area has seen increasing dynamics as an alternative strategy to catalytic hydrogenation for CO2 reduction. While many studies focus on the direct electron transfer to the CO2 molecule at the electrode material, molecular transition metal complexes in solution offer the possibility to act as catalysts for the electron transfer. C1 compounds such as carbon monoxide, formate, and methanol are often targeted as the main products, but more elaborate transformations are also possible within the coordination sphere of the metal center. This perspective article will cover selected examples to illustrate and categorize the currently favored mechanisms for the electrochemically induced transformation of CO2 promoted by homogeneous transition metal complexes. The insights will be corroborated with the concepts and elementary steps of organometallic catalysis to derive potential strategies to broaden the molecular diversity of possible products.
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Affiliation(s)
- Niklas W. Kinzel
- Max Planck Institute for Chemical Energy ConversionStiftstr. 34–3645470Mülheim an der RuhrGermany
- Institut für Technische und Makromolekulare Chemie (ITMC)RWTH Aachen UniversityWorringer Weg 252074AachenGermany
| | - Christophe Werlé
- Max Planck Institute for Chemical Energy ConversionStiftstr. 34–3645470Mülheim an der RuhrGermany
- Ruhr University BochumUniversitätsstr. 15044801BochumGermany
| | - Walter Leitner
- Max Planck Institute for Chemical Energy ConversionStiftstr. 34–3645470Mülheim an der RuhrGermany
- Institut für Technische und Makromolekulare Chemie (ITMC)RWTH Aachen UniversityWorringer Weg 252074AachenGermany
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28
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Friedman A, Elbaz L. Heterogeneous electrocatalytic reduction of carbon dioxide with transition metal complexes. J Catal 2021. [DOI: 10.1016/j.jcat.2020.12.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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29
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Kinzel NW, Werlé C, Leitner W. Übergangsmetallkomplexe als Katalysatoren für die elektrische Umwandlung von CO
2
– eine metallorganische Perspektive. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202006988] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Niklas W. Kinzel
- Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34–36 45470 Mülheim an der Ruhr Deutschland
- Institut für Technische und Makromolekulare Chemie (ITMC) RWTH Aachen University Worringer Weg 2 52074 Aachen Deutschland
| | - Christophe Werlé
- Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34–36 45470 Mülheim an der Ruhr Deutschland
- Ruhr-Universität Bochum Universitätsstraße 150 44801 Bochum Deutschland
| | - Walter Leitner
- Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34–36 45470 Mülheim an der Ruhr Deutschland
- Institut für Technische und Makromolekulare Chemie (ITMC) RWTH Aachen University Worringer Weg 2 52074 Aachen Deutschland
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30
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Ma X, Zheng L, Bian Z. Visible-light-driven CO2 reduction with g-C3N4-based composite: Enhancing the activity of manganese catalysts. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116042] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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31
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Rotundo L, Polyansky DE, Gobetto R, Grills DC, Fujita E, Nervi C, Manbeck GF. Molecular Catalysts with Intramolecular Re-O Bond for Electrochemical Reduction of Carbon Dioxide. Inorg Chem 2020; 59:12187-12199. [PMID: 32804491 PMCID: PMC8009525 DOI: 10.1021/acs.inorgchem.0c01181] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
![]()
A new Re bipyridine-type complex,
namely, fac-Re(pmbpy)(CO)3Cl (pmbpy =
4-phenyl-6-(2-hydroxy-phenyl)-2,2′-bipyridine), 1, carrying a single OH moiety as local proton source, has
been synthesized, and its electrochemical behavior under Ar and under
CO2 has been characterized. Two isomers of 1, namely, 1-cis characterized by the
proximity of Cl to OH and 1-trans, are
identified. The interconversion between 1-cis and 1-trans is clarified by DFT calculations,
which reveal two transition states. The energetically lower pathway
displays a non-negligible barrier of 75.5 kJ mol–1. The 1e– electrochemical reduction of 1 affords the neutral intermediate 1-OPh, formally derived
by reductive deprotonation and loss of Cl– from 1. 1-OPh, which exhibits an entropically favored
intramolecular Re–O bond, has been isolated and characterized.
The detailed electrochemical mechanism is demonstrated by combined
chemical reactivity, spectroelectrochemistry, spectroscopic (IR and
NMR), and computational (DFT) approaches. Comparison with previous
Re and Mn derivatives carrying local proton sources highlights that
the catalytic activity of Re complexes is more sensitive to the presence
of local OH groups. Similar to Re-2OH (2OH = 4-phenyl-6-(phenyl-2,6-diol)-2,2′-bipyridine), 1 and Mn-1OH display a selective reduction of
CO2 to CO. In the case of the Re bipyridine-type complex,
the formation of a relatively stable Re–O bond and a preference
for phenolate-based reactivity with CO2 slightly inhibit
the electrocatalytic reduction of CO2 to CO, resulting
in a low TON value of 9, even in the presence of phenol as a proton
source. A new Re bipyridine-type complex, namely, fac-Re(pmbpy)(CO)3Cl (pmbpy = 4-phenyl-6-(2-hydroxy-phenyl)-2,2′-bipyridine), 1, carrying a single OH moiety as local proton source, has
been synthesized, and its electrochemical behavior under Ar and under
CO2 has been characterized. Two isomers of 1, namely, 1-cis characterized by the
proximity of Cl to OH and 1-trans, are
identified.
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Affiliation(s)
- Laura Rotundo
- Chemistry Department, University of Torino, Via P. Giuria 7, 10125 Torino, Italy.,CIRCC (Bari), University of Bari, Via Celso Ulpiani 27, 70126 Bari, Italy
| | - Dmitry E Polyansky
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Roberto Gobetto
- Chemistry Department, University of Torino, Via P. Giuria 7, 10125 Torino, Italy.,CIRCC (Bari), University of Bari, Via Celso Ulpiani 27, 70126 Bari, Italy
| | - David C Grills
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Etsuko Fujita
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Carlo Nervi
- Chemistry Department, University of Torino, Via P. Giuria 7, 10125 Torino, Italy.,CIRCC (Bari), University of Bari, Via Celso Ulpiani 27, 70126 Bari, Italy
| | - Gerald F Manbeck
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
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32
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Shirley H, Parkin S, Delcamp JH. Photoinduced Generation of a Durable Thermal Proton Reduction Catalyst with in Situ Conversion of Mn(bpy)(CO)3Br to Mn(bpy)2Br2. Inorg Chem 2020; 59:11266-11272. [DOI: 10.1021/acs.inorgchem.0c00480] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hunter Shirley
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Sean Parkin
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
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33
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Lense S, Grice KA, Gillette K, Wolf LM, Robertson G, McKeon D, Saucedo C, Carroll PJ, Gau M. Effects of Tuning Intramolecular Proton Acidity on CO 2 Reduction by Mn Bipyridyl Species. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00230] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sheri Lense
- Department of Chemistry, University of Wisconsin Oshkosh, 800 Algoma Boulevard, Oshkosh, Wisconsin 54902, United States
| | - Kyle A. Grice
- Department of Chemistry and Biochemistry, DePaul University, 1110 West Belden Avenue, Chicago, Illinois 60614, United States
| | - Kara Gillette
- Department of Chemistry, University of Wisconsin Oshkosh, 800 Algoma Boulevard, Oshkosh, Wisconsin 54902, United States
| | - Lucienna M. Wolf
- Department of Chemistry and Biochemistry, DePaul University, 1110 West Belden Avenue, Chicago, Illinois 60614, United States
| | - Grace Robertson
- Department of Chemistry, University of Wisconsin Oshkosh, 800 Algoma Boulevard, Oshkosh, Wisconsin 54902, United States
| | - Dylan McKeon
- Department of Chemistry, University of Wisconsin Oshkosh, 800 Algoma Boulevard, Oshkosh, Wisconsin 54902, United States
| | - Cesar Saucedo
- Department of Chemistry and Biochemistry, DePaul University, 1110 West Belden Avenue, Chicago, Illinois 60614, United States
| | - Patrick J. Carroll
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104 United States
| | - Michael Gau
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104 United States
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34
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Li J, Zhao D, Liu J, Liu A, Ma D. Covalent Organic Frameworks: A Promising Materials Platform for Photocatalytic CO 2 Reductions. Molecules 2020; 25:molecules25102425. [PMID: 32455943 PMCID: PMC7288049 DOI: 10.3390/molecules25102425] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 12/24/2022] Open
Abstract
Covalent organic frameworks (COFs) are a kind of porous crystalline polymeric material. They are constructed by organic module units connected with strong covalent bonds extending in two or three dimensions. COFs possess the advantages of low-density, large specific surface area, high thermal stability, developed pore-structure, long-range order, good crystallinity, and the excellent tunability of the monomer units and the linking reticular chemistry. These features endowed COFs with the ability to be applied in a plethora of applications, ranging from adsorption and separation, sensing, catalysis, optoelectronics, energy storage, mass transport, etc. In this paper, we will review the recent progress of COFs materials applied in photocatalytic CO2 reduction. The state-of-the-art paragon examples and the current challenges will be discussed in detail. The future direction in this research field will be finally outlooked.
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Affiliation(s)
- Jundan Li
- School of Science, Beijing Technology and Business University, Beijing 100048, China; (J.L.); (D.Z.); (J.L.)
| | - Dongni Zhao
- School of Science, Beijing Technology and Business University, Beijing 100048, China; (J.L.); (D.Z.); (J.L.)
| | - Jiangqun Liu
- School of Science, Beijing Technology and Business University, Beijing 100048, China; (J.L.); (D.Z.); (J.L.)
| | - Anan Liu
- Basic Experimental Center for Natural Science, University of Science and Technology Beijing, Beijing 100083, China;
| | - Dongge Ma
- School of Science, Beijing Technology and Business University, Beijing 100048, China; (J.L.); (D.Z.); (J.L.)
- Correspondence: ; Tel.: +86-10-6898-5573
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35
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Shieh M, Liu YH, Lin TS, Lin YC, Cheng WK, Lin RY. Manganese Telluride Carbonyl Complexes: Facile Syntheses and Exotic Properties-Reversible Transformations, Hydrogen Generation, Paramagnetic, and Semiconducting Properties. Inorg Chem 2020; 59:6923-6941. [PMID: 32330011 DOI: 10.1021/acs.inorgchem.0c00412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A novel family of five Mn-Te-CO complexes was prepared via facile syntheses: mono spirocyclic [Mn4Te(CO)16]2- (1), four-membered Mn2Te2 ring-type [Mn2Te2(CO)8]2- (2), hydride-containing square pyramidal [HMn3Te2(CO)9]2- (3), and dumbbell-shaped [Mn6Te6(CO)18]4- (4) and [Mn6Te10(CO)18]4- (5). Electron-precise complexes 4 and 5 exhibit unusual paramagnetism arising from two types of Mn atoms in different oxidation states, as determined by X-ray photoelectron spectroscopy, electron paramagnetic resonance, and density functional theory (DFT) calculations. The structural transformations from small-sized Mn4Te 1 and Mn2Te2 2 to the largest Mn6Te10 5 were controllable, the off/on magnetic-switched transformation between HMn3Te2 3 and 5 was reversible, and the magnetic transformation between Mn6Te6 4 and 5 was observed. Interestingly, the reversible dehydridation and hydridation between the HMn3Te2-based cluster 3 and [Mn3Te2(CO)9]- were successfully accomplished, in which the release of a high yield of H2 was detected by gas chromatography. In addition, upon the addition of CO, cluster 3 first forms a carbonyl-inserted intermediate [HMn3Te2(CO)10]2- (3'), detected by the high resolution ESI-MS, which is readily transformed to a dimeric dihydrido cluster [{HMn3Te2(CO)10}2]2- (6) with the introduction of O2. These low- to high-nuclearity complexes exhibit rich redox properties with semiconducting behavior in solids, possessing low but tunable energy gaps (1.06-1.62 eV) due to efficient electron transport via nonclassical C-H···O(carbonyl) interactions. The structural nature, reversible structural transformations, controllable on/off magnetic switches, electron communication networks, and associated chemical properties for hydrogen generation are discussed in detail and supported by DFT calculations, density of states, band structures, and noncovalent interaction analyses.
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Affiliation(s)
- Minghuey Shieh
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11677, Republic of China
| | - Yu-Hsin Liu
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11677, Republic of China
| | - Tien-Sung Lin
- Department of Chemistry, Washington University in St. Louis, St. Louis, Missouri 63130, United States.,Department of Chemistry, National Taiwan University, Taipei, Taiwan 10617, Republic of China
| | - Yu-Chun Lin
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11677, Republic of China
| | - Wen-Kai Cheng
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11677, Republic of China
| | - Ru Yan Lin
- Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan 11677, Republic of China
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36
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Taylor JO, Neri G, Banerji L, Cowan AJ, Hartl F. Strong Impact of Intramolecular Hydrogen Bonding on the Cathodic Path of [Re(3,3'-dihydroxy-2,2'-bipyridine)(CO) 3Cl] and Catalytic Reduction of Carbon Dioxide. Inorg Chem 2020; 59:5564-5578. [PMID: 32237729 PMCID: PMC7175459 DOI: 10.1021/acs.inorgchem.0c00263] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Herein, we present the cathodic paths of the Group-7 metal complex [Re(3,3'-DHBPY)(CO)3Cl] (3,3'-DHBPY = 3,3'-dihydroxy-2,2'-bipyridine) producing a moderately active catalyst of electrochemical reduction of CO2 to CO. The combined techniques of cyclic voltammetry and IR/UV-vis spectroelectrochemistry have revealed significant differences in the chemistry of the electrochemically reduced parent complex compared to the previously published Re/4,4'-DHBPY congener. The initial irreversible cathodic step in weakly coordinating THF is shifted toward much less negative electrode potentials, reflecting facile reductive deprotonation of one hydroxyl group and strong intramolecular hydrogen bonding, O-H···O-. The latter process occurs spontaneously in basic dimethylformamide where Re/4,4'-DHBPY remains stable. The subsequent reduction of singly deprotonated [Re(3,3'-DHBPY-H+)(CO)3Cl]- under ambient conditions occurs at a cathodic potential close to that of the Re/4,4'-DHBPY-H+ derivative. However, for the stabilized 3,3'-DHBPY-H+ ligand, the latter process at the second cathodic wave is more complex and involves an overall transfer of three electrons. Rapid potential step electrolysis induces 1e--reductive cleavage of the second O-H bond, triggering dissociation of the Cl- ligand from [Re(3,3'-DHBPY-2H+)(CO)3Cl]2-. The ultimate product of the second cathodic step in THF was identified as 5-coordinate [Re(3,3'-DHBPY-2H+)(CO)3]3-, the equivalent of classical 2e--reduced [Re(BPY)(CO)3]-. Each reductive deprotonation of the DHBPY ligand results in a redshift of the IR ν(CO) absorption of the tricarbonyl complexes by ca. 10 cm-1, facilitating the product assignment based on comparison with the literature data for corresponding Re/BPY complexes. The Cl- dissociation from [Re(3,3'-DHBPY-2H+)(CO)3Cl]2- was proven in strongly coordinating butyronitrile. The latter dianion is stable at 223 K, converting at 258 K to 6-coordinate [Re(3,3'-DHBPY-2H+)(CO)3(PrCN)]3-. Useful reference data were obtained with substituted parent [Re(3,3'-DHBPY)(CO)3(PrCN)]+ that also smoothly deprotonates by the initial reduction to [Re(3,3'-DHBPY-H+)(CO)3(PrCN)]. The latter complex ultimately converts at the second cathodic wave to [Re(3,3'-DHBPY-2H+)(CO)3(PrCN)]3- via a counterintuitive ETC step generating the 1e- radical of the parent complex, viz., [Re(3,3'-DHBPY)(CO)3(PrCN)]. The same alternative reduction path is also followed by [Re(3,3'-DHBPY-H+)(CO)3Cl]- at the onset of the second cathodic wave, where the ETC step results in the intermediate [Re(3,3'-DHBPY)(CO)3Cl]•- further reducible to [Re(3,3'-DHBPY-2H+)(CO)3]3- as the CO2 catalyst.
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Affiliation(s)
- James O Taylor
- Department of Chemistry, University of Reading, Reading RG6 6AD, United Kingdom
| | - Gaia Neri
- Department of Chemistry, Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool L69 7ZF, United Kingdom
| | - Liam Banerji
- Department of Chemistry, Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool L69 7ZF, United Kingdom
| | - Alexander J Cowan
- Department of Chemistry, Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool L69 7ZF, United Kingdom
| | - František Hartl
- Department of Chemistry, University of Reading, Reading RG6 6AD, United Kingdom
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37
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Winter A, Schubert US. Metal‐Terpyridine Complexes in Catalytic Application – A Spotlight on the Last Decade. ChemCatChem 2020. [DOI: 10.1002/cctc.201902290] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Andreas Winter
- Laboratory of Organic and Macromolecular Chemistry (IOMC)Friedrich Schiller University Jena Humboldtstr. 10 07743 Jena Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Philosophenweg 7a 07743 Jena Germany
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC)Friedrich Schiller University Jena Humboldtstr. 10 07743 Jena Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena) Philosophenweg 7a 07743 Jena Germany
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38
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Rønne MH, Cho D, Madsen MR, Jakobsen JB, Eom S, Escoudé É, Hammershøj HCD, Nielsen DU, Pedersen SU, Baik MH, Skrydstrup T, Daasbjerg K. Ligand-Controlled Product Selectivity in Electrochemical Carbon Dioxide Reduction Using Manganese Bipyridine Catalysts. J Am Chem Soc 2020; 142:4265-4275. [PMID: 32022558 DOI: 10.1021/jacs.9b11806] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Electrocatalysis is a promising tool for utilizing carbon dioxide as a feedstock in the chemical industry. However, controlling the selectivity for different CO2 reduction products remains a major challenge. We report a series of manganese carbonyl complexes with elaborated bipyridine or phenanthroline ligands that can reduce CO2 to either formic acid, if the ligand structure contains strategically positioned tertiary amines, or CO, if the amine groups are absent in the ligand or are placed far from the metal center. The amine-modified complexes are benchmarked to be among the most active catalysts for reducing CO2 to formic acid, with a maximum turnover frequency of up to 5500 s-1 at an overpotential of 630 mV. The conversion even works at overpotentials as low as 300 mV, although through an alternative mechanism. Mechanistically, the formation of a Mn-hydride species aided by in situ protonated amine groups was determined to be a key intermediate by cyclic voltammetry, 1H NMR, DFT calculations, and infrared spectroelectrochemistry.
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Affiliation(s)
- Magnus H Rønne
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Dasol Cho
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Monica R Madsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Joakim B Jakobsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Seunghwan Eom
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Émile Escoudé
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Hans Christian D Hammershøj
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Dennis U Nielsen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Steen U Pedersen
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Troels Skrydstrup
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
| | - Kim Daasbjerg
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center, Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark
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39
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Du J, Lang ZL, Ma YY, Tan HQ, Liu BL, Wang YH, Kang ZH, Li YG. Polyoxometalate-based electron transfer modulation for efficient electrocatalytic carbon dioxide reduction. Chem Sci 2020; 11:3007-3015. [PMID: 34122803 PMCID: PMC8157518 DOI: 10.1039/c9sc05392a] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 02/01/2020] [Indexed: 12/02/2022] Open
Abstract
The electrocatalytic carbon dioxide (CO2) reduction reaction (CO2RR) involves a variety of electron transfer pathways, resulting in poor reaction selectivity, limiting its use to meet future energy requirements. Polyoxometalates (POMs) can both store and release multiple electrons in the electrochemical process, and this is expected to be an ideal "electron switch" to match with catalytically active species, realize electron transfer modulation and promote the activity and selectivity of the electrocatalytic CO2RR. Herein, we report a series of new POM-based manganese-carbonyl (MnL) composite CO2 reduction electrocatalysts, whereby SiW12-MnL exhibits the most remarkable activity and selectivity for CO2RR to CO, resulting in an increase in the faradaic efficiency (FE) from 65% (MnL) to a record-value of 95% in aqueous electrolyte. A series of control electrochemical experiments, photoluminescence spectroscopy (PL), transient photovoltage (TPV) experiments, and density functional theory (DFT) calculations revealed that POMs act as electronic regulators to control the electron transfer process from POM to MnL units during the electrochemical reaction, enhancing the selectivity of the CO2RR to CO and depressing the competitive hydrogen evolution reaction (HER). This work demonstrates the significance of electron transfer modulation in the CO2RR and suggests a new idea for the design of efficient electrocatalysts towards CO2RR.
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Affiliation(s)
- Jing Du
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
| | - Zhong-Ling Lang
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
| | - Yuan-Yuan Ma
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
- College of Chemistry and Material Science, Hebei Normal University Shijiazhuang Hebei 050024 China
| | - Hua-Qiao Tan
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
| | - Bai-Ling Liu
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
| | - Yong-Hui Wang
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
| | - Zhen-Hui Kang
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University Suzhou 215123 China
| | - Yang-Guang Li
- Key Laboratory of Polyoxometalate Science of the Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China
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40
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Gamma rays: An alternative energy source for the preparation of manganese carbonyls-based new materials. Appl Radiat Isot 2020; 156:108983. [DOI: 10.1016/j.apradiso.2019.108983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/28/2019] [Accepted: 11/11/2019] [Indexed: 11/23/2022]
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41
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Kuo HY, Tignor SE, Lee TS, Ni D, Park JE, Scholes GD, Bocarsly AB. Reduction-induced CO dissociation by a [Mn(bpy)(CO) 4][SbF 6] complex and its relevance in electrocatalytic CO 2 reduction. Dalton Trans 2020; 49:891-900. [PMID: 31859334 DOI: 10.1039/c9dt04150h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
[Mn(bpy)(CO)3Br] is recognized as a benchmark electrocatalyst for CO2 reduction to CO, with the doubly reduced [Mn(bpy)(CO)3]- proposed to be the active species in the catalytic mechanism. The reaction of this intermediate with CO2 and two protons is expected to produce the tetracarbonyl cation, [Mn(bpy)(CO)4]+, thereby closing the catalytic cycle. However, this species has not been experimentally observed. In this study, [Mn(bpy)(CO)4][SbF6] (1) was directly synthesized and found to be an efficient electrocatalyst for the reduction of CO2 to CO in the presence of H2O. Complex 1 was characterized using X-ray crystallography as well as IR and UV-Vis spectroscopy. The redox activity of 1 was determined using cyclic voltammetry and compared with that of benchmark manganese complexes, e.g., [Mn(bpy)(CO)3Br] (2) and [Mn(bpy)(CO)3(MeCN)][PF6] (3). Infrared spectroscopic analyses indicated that CO dissociation occurs after a single-electron reduction of complex 1, producing a [Mn(bpy)(CO)3(MeCN)]+ species. Complex 1 was experimentally verified as both a precatalyst and an on-cycle intermediate in homogeneous Mn-based electrocatalytic CO2 reduction.
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Affiliation(s)
- Hsin-Ya Kuo
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA.
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42
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Coufourier S, Gaignard Gaillard Q, Lohier JF, Poater A, Gaillard S, Renaud JL. Hydrogenation of CO2, Hydrogenocarbonate, and Carbonate to Formate in Water using Phosphine Free Bifunctional Iron Complexes. ACS Catal 2020. [DOI: 10.1021/acscatal.9b04340] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Sébastien Coufourier
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 6 Bd du Maréchal Juin, 14050 Caen, France
| | | | - Jean-François Lohier
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 6 Bd du Maréchal Juin, 14050 Caen, France
| | - Albert Poater
- Departament de Química, Institut de Química Computacional i Catàlisi (IQCC), University of Girona, c/M Aurèlia Capmany 69, 17003 Girona, Catalonia Spain
| | - Sylvain Gaillard
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 6 Bd du Maréchal Juin, 14050 Caen, France
| | - Jean-Luc Renaud
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 6 Bd du Maréchal Juin, 14050 Caen, France
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43
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Franco F, Rettenmaier C, Jeon HS, Roldan Cuenya B. Transition metal-based catalysts for the electrochemical CO2 reduction: from atoms and molecules to nanostructured materials. Chem Soc Rev 2020; 49:6884-6946. [DOI: 10.1039/d0cs00835d] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An overview of the main strategies for the rational design of transition metal-based catalysts for the electrochemical conversion of CO2, ranging from molecular systems to single-atom and nanostructured catalysts.
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Affiliation(s)
- Federico Franco
- Department of Interface Science
- Fritz-Haber Institute of the Max Planck Society
- 14195 Berlin
- Germany
| | - Clara Rettenmaier
- Department of Interface Science
- Fritz-Haber Institute of the Max Planck Society
- 14195 Berlin
- Germany
| | - Hyo Sang Jeon
- Department of Interface Science
- Fritz-Haber Institute of the Max Planck Society
- 14195 Berlin
- Germany
| | - Beatriz Roldan Cuenya
- Department of Interface Science
- Fritz-Haber Institute of the Max Planck Society
- 14195 Berlin
- Germany
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44
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Tong L, Duan L, Zhou A, Thummel RP. First-row transition metal polypyridine complexes that catalyze proton to hydrogen reduction. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213079] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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45
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Design of inorganic–organic hybrid photocatalytic systems for enhanced CO2 reduction under visible light. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.07.049] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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46
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Kurtz DA, Dhakal B, McDonald LT, Nichol GS, Felton GAN. Inter-ligand intramolecular through-space anisotropic shielding in a series of manganese carbonyl phosphorous compounds. Dalton Trans 2019; 48:14926-14935. [PMID: 31559411 DOI: 10.1039/c9dt03100f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Eight novel manganese carbonyl complexes of the type [Mn(bpy-tBu)(CO)3PR3]+ (bpy-tBu = 4,4'-di-tert-butyl-2,2'-bipyridine; R = Cy, nBu, Me, p-tol, Ph, p-F-Ph, OEt, and OMe), have been synthesized and characterized by 1H NMR, FTIR, UV/Vis, HRMS and CV. X-ray crystallographic structures of [Mn(bpy-tBu)(CO)3(PCy3)]+ and [Mn(bpy-tBu)(CO)3(PPh3)]+ were obtained. The short Mn-P bond length allows for close proximity of the bipyridine ligand and the phosphine R groups, resulting in strong anisotropic shielding of certain bipyridine protons by aryl R groups (reordering the bipyridine 1H NMR pattern in the most extreme case). Electrochemical analysis of the compound series reveals that while each is a competent precatalyst for electrochemical carbon dioxide reduction (to carbon monoxide), the lability of the PR3 ligand results in similar catalytic performance amongst the series.
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Affiliation(s)
- Daniel A Kurtz
- Rowland Institute at Harvard, Harvard University, Cambridge, MA 02142, USA
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47
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McKinnon M, Belkina V, Ngo KT, Ertem MZ, Grills DC, Rochford J. An Investigation of Electrocatalytic CO 2 Reduction Using a Manganese Tricarbonyl Biquinoline Complex. Front Chem 2019; 7:628. [PMID: 31608271 PMCID: PMC6771302 DOI: 10.3389/fchem.2019.00628] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 09/02/2019] [Indexed: 11/18/2022] Open
Abstract
The subject of this study [fac-Mn(bqn)(CO)3(CH3CN)]+ (bqn = 2,2′-biquinoline), is of particular interest because the bqn ligand exhibits both steric and electronic influence over the fundamental redox properties of the complex and, consequently, its related catalytic properties with respect to the activation of CO2. While not a particularly efficient catalyst for CO2 to CO conversion, in-situ generation and activity measurements of the [fac-Mn(bqn)(CO)3]− active catalyst allows for a better understanding of ligand design at the Mn center. By making direct comparisons to the related 2,2′-bipyridyl (bpy), 1,10-phenanthroline (phen), and 2,9-dimethyl-1,10-phenanthroline (dmphen) ligands via a combination of voltammetry, infrared spectroelectrochemistry, controlled potential electrolysis and computational analysis, the role of steric vs. electronic influences on the nucleophilicity of Mn-based CO2 reduction electrocatalysts is discussed.
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Affiliation(s)
- Meaghan McKinnon
- Department of Chemistry, University of Massachusetts Boston, Boston, MA, United States
| | - Veronika Belkina
- Department of Chemistry, University of Massachusetts Boston, Boston, MA, United States
| | - Ken T Ngo
- Department of Chemistry, University of Massachusetts Boston, Boston, MA, United States
| | - Mehmed Z Ertem
- Chemistry Division, Brookhaven National Laboratory, Upton, NY, United States
| | - David C Grills
- Chemistry Division, Brookhaven National Laboratory, Upton, NY, United States
| | - Jonathan Rochford
- Department of Chemistry, University of Massachusetts Boston, Boston, MA, United States
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48
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Fokin I, Denisiuk A, Würtele C, Siewert I. The Impact of a Proton Relay in Binuclear α-Diimine-Mn(CO)3 Complexes on the CO2 Reduction Catalysis. Inorg Chem 2019; 58:10444-10453. [DOI: 10.1021/acs.inorgchem.9b00992] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Igor Fokin
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstr. 4, 37077 Göttingen, Germany
| | - Alisa Denisiuk
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstr. 4, 37077 Göttingen, Germany
| | - Christian Würtele
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstr. 4, 37077 Göttingen, Germany
| | - Inke Siewert
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstr. 4, 37077 Göttingen, Germany
- Universität Göttingen, International Center for Advanced Studies of Energy Conversion, 37077 Göttingen, Germany
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49
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From molecular metal complex to metal-organic framework: The CO2 reduction photocatalysts with clear and tunable structure. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.03.019] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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50
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Zhang B, Sun L. Artificial photosynthesis: opportunities and challenges of molecular catalysts. Chem Soc Rev 2019; 48:2216-2264. [PMID: 30895997 DOI: 10.1039/c8cs00897c] [Citation(s) in RCA: 407] [Impact Index Per Article: 81.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Molecular catalysis plays an essential role in both natural and artificial photosynthesis (AP). However, the field of molecular catalysis for AP has gradually declined in recent years because of doubt about the long-term stability of molecular-catalyst-based devices. This review summarizes the development history of molecular-catalyst-based AP, including the fundamentals of AP, molecular catalysts for water oxidation, proton reduction and CO2 reduction, and molecular-catalyst-based AP devices, and it provides an analysis of the advantages, challenges, and stability of molecular catalysts. With this review, we aim to highlight the following points: (i) an investigation on molecular catalysis is one of the most promising ways to obtain atom-efficient catalysts with outstanding intrinsic activities; (ii) effective heterogenization of molecular catalysts is currently the primary challenge for the application of molecular catalysis in AP devices; (iii) development of molecular catalysts is a promising way to solve the problems of catalysis involved in practical solar fuel production. In molecular-catalysis-based AP, much has been attained, but more challenges remain with regard to long-term stability and heterogenization techniques.
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Affiliation(s)
- Biaobiao Zhang
- Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10044 Stockholm, Sweden.
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