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Liang P, Wang Z, Hao S, Chen KK, Wu K, Wei Z. Management of Triplet States in Modified Mononuclear Ruthenium(II) Complexes for Enhanced Photocatalysis. Angew Chem Int Ed Engl 2024; 63:e202407448. [PMID: 38782721 DOI: 10.1002/anie.202407448] [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: 04/19/2024] [Revised: 05/14/2024] [Accepted: 05/23/2024] [Indexed: 05/25/2024]
Abstract
Controlling the interplay between relaxation and charge/energy transfer processes in the excited states of photocatalysts is crucial for the performance of artificial photosynthesis. Metal-to-ligand charge-transfer triplet states (3MLCT*) of ruthenium(II) complexes are broadly implemented for photocatalysis, but an effective means of managing the triplets for enhanced photocatalysis has been lacking. Herein, We proposed a strategy to considerably prolong the triplet excited-state lifetime by decorating a ruthenium(II) phosphine complex (RuP-1) with pendent polyaromatic hydrocarbons (PAHs). Systematic studies demonstrate that in RuP-4 decorated with anthracene, sub-picosecond electron transfer from anthracene to 3MLCT* leads to a charge-separated state that can mediate the formation of the intra-ligand triplet state (3IL) of anthracene, resulting in an exceptionally long excited-state up to several milliseconds. This triplet management strategy enables impressive photocatalytic reduction of CO2 to CO with a turnover number (TON) of 404, an optimized quantum yield of 43 % and 100 % selectivity, which is the highest reported performance for mononuclear photocatalysts without additional photosensitizers. RuP-4 also catalyzes photochemical hydrogen generation under argon. This work opens up an avenue for regulating the excited-state charge/energy flow for the development of long-lived 3IL multi-functional mononuclear photocatalysts to boost artificial photosynthesis.
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Affiliation(s)
- Ping Liang
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Zhaolong Wang
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China
| | - Siwei Hao
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Kai-Kai Chen
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
| | - Kaifeng Wu
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China
| | - Zhanhua Wei
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, Institute of Luminescent Materials and Information Displays, College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China
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2
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Richter ML, Peris E, Gonell S. Influence of the Bis-Carbene Ligand on Manganese Catalysts for CO 2 Electroreduction. CHEMSUSCHEM 2024:e202401007. [PMID: 38962948 DOI: 10.1002/cssc.202401007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/03/2024] [Accepted: 07/03/2024] [Indexed: 07/05/2024]
Abstract
First row transition metal complexes have attracted attention as abundant and affordable electrocatalysts for CO2 reduction. Manganese complexes bearing bis-N-heterocyclic carbene ligands defining 6-membered ring metallacycles have proven to reduce CO2 to CO selectively at very high rates. Herein, we report the synthesis of manganese carbonyl complexes supported by a rigid ortho-phenylene bridged bis-N-heterocyclic carbene ligand (ortho-phenylene-bis(N-methylimidazol-2-ylidene), Ph-bis-mim), which defines a 7-membered ring metallacycle. We performed a comparative study with the analogues complexes bearing an ethylene-bis(N-methylimidazol-2-ylidene) ligand (C2H4-bis-mim) and a methylene-bis(N-methylimidazol-2-ylidene) ligand (CH2-bis-mim), and found that catalysts comprising a seven-membered metallacycle retain similar selectivity and activity as those with six-membered metallacycles, while reducing the overpotential by 120-190 mV. Our findings reveal general design principles for manganese bis-N-heterocyclic carbene electrocatalysts, which can guide further designs of affordable, fast and low overpotential catalysts for CO2 electroreduction.
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Affiliation(s)
- Marvin L Richter
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n., E-12071, Castellón, Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n., E-12071, Castellón, Spain
| | - Sergio Gonell
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n., E-12071, Castellón, Spain
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3
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Feng W, Xiong Y, Zhang P, Li M, Zhang Y, Li F, Chen L. Bio-inspired bimetallic models for electrochemical CO 2 reduction. Dalton Trans 2024; 53:8604-8607. [PMID: 38690878 DOI: 10.1039/d4dt00858h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Inspired by the carbon monoxide dehydrogenase (CODH) active site where two metal ions synergistically catalyze the interconversion between CO2 and CO, we have developed a family of rhenium dipyridine derivatives (1-3), in which potassium 1-aza-18-crown-6-ether (KN18C6) moiety functions as a Lewis acid to assist the CO2 reduction reaction (CO2RR). We found that such design leads to dramatically strong deposition on the electrode under CO2 in the presence of potassium cation, and a clear trend for the deposition rate was observed following the flexibility of linkage between the framework and the KN18C6 moiety; the more flexible, the faster. The origin of deposition was further characterized by a series of control experiments and infrared spectroelectrochemistry (IR-SEC). Unfortunately, the deposition suppresses the subsequent C-O bond cleavage reaction.
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Affiliation(s)
- Weifang Feng
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Ying Xiong
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Ping Zhang
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Minghong Li
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Yaping Zhang
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
| | - Fei Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Lin Chen
- State Key Laboratory of Environment-Friendly Energy Material, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, P. R. China.
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4
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Wang HF, Wang HJ, Zhong DC, Lu TB. Unveiling the role of proton concentration in dinuclear metal complexes for boosting photocatalytic CO 2 reduction. Proc Natl Acad Sci U S A 2024; 121:e2318384121. [PMID: 38713627 PMCID: PMC11098096 DOI: 10.1073/pnas.2318384121] [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: 10/21/2023] [Accepted: 03/12/2024] [Indexed: 05/09/2024] Open
Abstract
The reaction kinetics of photocatalytic CO2 reduction is highly dependent on the transfer rate of electrons and protons to the CO2 molecules adsorbed on catalytic centers. Studies on uncovering the proton effect in catalysts on photocatalytic activity of CO2 reduction are significant but rarely reported. In this paper, we, from the molecular level, revealed that the photocatalytic activity of CO2 reduction is closely related to the proton availability in catalysts. Specifically, four dinuclear Co(II) complexes based on Robson-type ligands with different number of carboxylic groups (-nCOOH; n = 0, 2, 4, 6) were designed and synthesized. All these complexes show photocatalytic activity for CO2 reduction to CO in a water-containing system upon visible-light illumination. Interestingly, the CO yields increase positively with the increase of the carboxylic-group number in dinuclear Co(II) complexes. The one containing -6COOH shows the best photocatalytic activity for CO2 reduction to CO, with the TON value reaching as high as 10,294. The value is 1.8, 3.4, and 7.8 times higher than those containing -4COOH, -2COOH, and -0COOH, respectively. The high TON value also makes the dinuclear Co(II) complex with -6COOH outstanding among reported homogeneous molecular catalysts for photocatalytic CO2 reduction. Control experiments and density functional theory calculation indicated that more carboxylic groups in the catalyst endow the catalyst with more proton relays, thus accelerating the proton transfer and boosting the photocatalytic CO2 reduction. This study, at a molecular level, elucidates that more carboxylic groups in catalysts are beneficial for boosting the reaction kinetics of photocatalytic CO2 reduction.
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Affiliation(s)
- Hui-Feng Wang
- Ministry of Education (MOE) International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin300384, China
| | - Hong-Juan Wang
- Ministry of Education (MOE) International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin300384, China
| | - Di-Chang Zhong
- Ministry of Education (MOE) International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin300384, China
| | - Tong-Bu Lu
- Ministry of Education (MOE) International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin300384, China
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5
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Yang Y, Xie F, Chen J, Qiu S, Qiang N, Lu M, Peng Z, Yang J, Liu G. Electrocatalytic Reduction of CO 2 to CO by Molecular Cobalt-Polypyridine Diamine Complexes. Molecules 2024; 29:1694. [PMID: 38675514 PMCID: PMC11051790 DOI: 10.3390/molecules29081694] [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: 03/08/2024] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Cobalt complexes have previously been reported to exhibit high faradaic efficiency in reducing CO2 to CO. Herein, we synthesized capsule-like cobalt-polypyridine diamine complexes [Co(L1)](BF4)2 (1) and [Co(L2) (CH3CN)](BF4)2 (2) as catalysts for the electrocatalytic reduction of CO2. Under catalytic conditions, complexes 1 and 2 demonstrated the electrocatalytic reduction of CO2 to CO in the presence or absence of CH3OH as a proton source. Experimental and computational studies revealed that complexes 1 and 2 undergo two consecutive reversible one-electron reductions on the cobalt core, followed by the addition of CO2 to form a metallocarboxylate intermediate [CoII(L)-CO22-]0. This crucial reaction intermediate, which governs the catalytic cycle, was successfully detected using high resolution mass spectrometry (HRMS). In situ Fourier-transform infrared spectrometer (FTIR) analysis showed that methanol can enhance the rate of carbon-oxygen bond cleavage of the metallocarboxylate intermediate. DFT studies on [CoII(L)-CO22-]0 have suggested that the doubly reduced species attacks CO2 on the C atom through the dz2 orbital, while the interaction with CO2 is further stabilized by the π interaction between the metal dxz or dxz orbital with p orbitals on the O atoms. Further reductions generate a metal carbonyl intermediate [CoI(L)-CO]+, which ultimately releases CO.
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Affiliation(s)
- Yong Yang
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Fang Xie
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Jiahui Chen
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Si Qiu
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Na Qiang
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Ming Lu
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Zhongli Peng
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
| | - Jing Yang
- College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen 518118, China
| | - Guocong Liu
- School of Chemistry and Materials Engineering, Huizhou University, Huizhou 516001, China; (F.X.); (J.C.); (S.Q.); (N.Q.); (M.L.); (Z.P.); (G.L.)
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Xiao Y, Xie F, Zhang HT, Zhang MT. Bioinspired Binickel Catalyst for Carbon Dioxide Reduction: The Importance of Metal-ligand Cooperation. JACS AU 2024; 4:1207-1218. [PMID: 38559717 PMCID: PMC10976602 DOI: 10.1021/jacsau.4c00047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/17/2024] [Accepted: 02/21/2024] [Indexed: 04/04/2024]
Abstract
Catalyst design for the efficient CO2 reduction reaction (CO2RR) remains a crucial challenge for the conversion of CO2 to fuels. Natural Ni-Fe carbon monoxide dehydrogenase (NiFe-CODH) achieves reversible conversion of CO2 and CO at nearly thermodynamic equilibrium potential, which provides a template for developing CO2RR catalysts. However, compared with the natural enzyme, most biomimetic synthetic Ni-Fe complexes exhibit negligible CO2RR catalytic activities, which emphasizes the significance of effective bimetallic cooperation for CO2 activation. Enlightened by bimetallic synergy, we herein report a dinickel complex, NiIINiII(bphpp)(AcO)2 (where NiNi(bphpp) is derived from H2bphpp = 2,9-bis(5-tert-butyl-2-hydroxy-3-pyridylphenyl)-1,10-phenanthroline) for electrocatalytic reduction of CO2 to CO, which exhibits a remarkable reactivity approximately 5 times higher than that of the mononuclear Ni catalyst. Electrochemical and computational studies have revealed that the redox-active phenanthroline moiety effectively modulates the electron injection and transfer akin to the [Fe3S4] cluster in NiFe-CODH, and the secondary Ni site facilitates the C-O bond activation and cleavage through electron mediation and Lewis acid characteristics. Our work underscores the significant role of bimetallic cooperation in CO2 reduction catalysis and provides valuable guidance for the rational design of CO2RR catalysts.
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Affiliation(s)
- Yao Xiao
- Center of Basic Molecular
Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Fei Xie
- Center of Basic Molecular
Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hong-Tao Zhang
- Center of Basic Molecular
Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Ming-Tian Zhang
- Center of Basic Molecular
Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
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Droghetti F, Amati A, Pascale F, Crochet A, Pastore M, Ruggi A, Natali M. Catalytic CO 2 Reduction with Heptacoordinated Polypyridine Complexes: Switching the Selectivity via Metal Replacement. CHEMSUSCHEM 2024; 17:e202300737. [PMID: 37846888 DOI: 10.1002/cssc.202300737] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 10/18/2023]
Abstract
The discovery of molecular catalysts for the CO2 reduction reaction (CO2 RR) in the presence of water, which are both effective and selective towards the generation of carbon-based products, is a critical task. Herein we report the catalytic activity towards the CO2 RR in acetonitrile/water mixtures by a cobalt complex and its iron analog both featuring the same redox-active ligand and an unusual seven-coordination environment. Bulk electrolysis experiments show that the cobalt complex mainly yields formate (52 % selectivity at an applied potential of -2.0 V vs Fc+ /Fc and 1 % H2 O) or H2 (up to 86 % selectivity at higher applied bias and water content), while the iron complex always delivers CO as the major product (selectivity >74 %). The different catalytic behavior is further confirmed under photochemical conditions with the [Ru(bpy)3 ]2+ sensitizer (bpy=2,2'-bipyridine) and N,N-diisopropylethylamine as electron donor, where the cobalt complex leads to preferential H2 formation (up to 89 % selectivity), while the iron analog quantitatively generates CO (up to 88 % selectivity). This is ascribed to a preference towards a metal-hydride vs. a metal-carboxyl pathway for the cobalt and the iron complex, respectively, and highlights how metal replacement may effectively impact on the reactivity of transition metal complexes towards solar fuel formation.
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Affiliation(s)
- Federico Droghetti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy
| | - Agnese Amati
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy
| | - Fabien Pascale
- Laboratoire de Physique et Chimie Théoretiques, University of Lorraine & CNRS, 54000, Nancy, France
| | - Aurélien Crochet
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
| | - Mariachiara Pastore
- Laboratoire de Physique et Chimie Théoretiques, University of Lorraine & CNRS, 54000, Nancy, France
| | - Albert Ruggi
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700, Fribourg, Switzerland
| | - Mirco Natali
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy
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Zhang H, Liang Q, Xie K. How to rationally design homogeneous catalysts for efficient CO 2 electroreduction? iScience 2024; 27:108973. [PMID: 38327791 PMCID: PMC10847752 DOI: 10.1016/j.isci.2024.108973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024] Open
Abstract
Electrified converting CO2 into valuable fuels and chemicals using a homogeneous electrochemical CO2 reduction (CO2ER) approach simplifies the operation, providing a potential option for decoupling energy harvesting and renewable chemical production. These merits benefit the scenarios where decentralization and intermittent power are key factors. This perspective aims to provide an overview of recent progress in homogeneous CO2ER. We introduce firstly the fundamentals chemistry of the homogeneous CO2ER, followed by a summary of the crucial factors and the important criteria broadly employed for evaluating the performance. We then highlight the recent advances in the most widely explored transition-metal coordinate complexes for the C1 and multicarbon (C2+) products from homogeneous CO2ER. Finally, we summarize the remaining challenges and opportunities for developing homogeneous electrocatalysts for efficient CO2ER. This perspective is expected to favor the rational design of efficient homogeneous electrocatalysts for selective CO2ER toward renewable fuels and feedstocks.
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Affiliation(s)
- Hui Zhang
- International Center for Quantum and Molecular Structures, College of Sciences, Shanghai University, Shanghai 200444, P.R. China
| | - Qinghua Liang
- Key Laboratory of Rare Earths, Chinese Academy of Sciences, Ganzhou, Jiangxi 341000, P.R. China
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, Jiangxi 341000, P.R. China
| | - Ke Xie
- Department of Chemistry, Northwestern Universiy, Evanston, IL 60208, USA
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Zhao J, Ziarati A, Rosspeintner A, Bürgi T. Anchoring of Metal Complexes on Au 25 Nanocluster for Enhanced Photocoupled Electrocatalytic CO 2 Reduction. Angew Chem Int Ed Engl 2024; 63:e202316649. [PMID: 37988181 DOI: 10.1002/anie.202316649] [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: 11/02/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 11/23/2023]
Abstract
Atomically precise Au nanoclusters (NCs) with discrete energy levels can be used as photosensitizers for CO2 reduction. However, tight ligand capping of Au NCs hinders CO2 adsorption on its active sites. Here, a new hybrid material is obtained by anchoring of thiol functionalized terpyridine metal complexes (metal=Ru, Ni, Fe, Co) on Au NCs by ligand exchange reactions (LERs). The anchoring of Ru and Ni complexes on Au25 NC (Au25 -Ru and Au25 -Ni) leads to adequate CO2 to CO conversion for photocoupled electrocatalytic CO2 reduction (PECR) in terms of high selectivity, with Faradaic efficiency of CO (FECO ) exceeding 90 % in a wide potential range, remarkable activity (CO production rate up to two times higher than that for pristine Au25 PET18 ) and extremely large turnover frequencies (TOFs, 63012 h-1 at -0.97 V for Au25 -Ru and 69989 h-1 at -1.07 V vs. RHE for Au25 -Ni). Moreover, PECR stability test indicates the excellent long-term stability of the modified NCs in contrast with pristine Au NCs. The present approach offers a novel strategy to enhance PECR activity and selectivity, as well as to improve the stability of Au NCs under light illumination, which paves the way for highly active and stable Au NCs catalysts.
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Affiliation(s)
- Jiangtao Zhao
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland
| | - Abolfazl Ziarati
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland
| | - Arnulf Rosspeintner
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland
| | - Thomas Bürgi
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211, Geneva 4, Switzerland
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Li Y, Chen JY, Zhang X, Peng Z, Miao Q, Chen W, Xie F, Liao RZ, Ye S, Tung CH, Wang W. Electrocatalytic Interconversions of CO 2 and Formate on a Versatile Iron-Thiolate Platform. J Am Chem Soc 2023. [PMID: 38019775 DOI: 10.1021/jacs.3c09824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Exploring bidirectional CO2/HCO2- catalysis holds significant potential in constructing integrated (photo)electrochemical formate fuel cells for energy storage and applications. Herein, we report selective CO2/HCO2- electrochemical interconversion by exploiting the flexible coordination modes and rich redox properties of a versatile iron-thiolate platform, Cp*Fe(II)L (L = 1,2-Ph2PC6H4S-). Upon oxidation, this iron complex undergoes formate binding to generate a diferric formate complex, [(L-)2Fe(III)(μ-HCO2)Fe(III)]+, which exhibits remarkable electrocatalytic performance for the HCO2--to-CO2 transformation with a maximum turnover frequency (TOFmax) ∼103 s-1 and a Faraday efficiency (FE) ∼92(±4)%. Conversely, this iron system also allows for reduction at -1.85 V (vs Fc+/0) and exhibits an impressive FE ∼93 (±3)% for the CO2-to-HCO2- conversion. Mechanism studies revealed that the HCO2--to-CO2 electrocatalysis passes through dicationic [(L2)-•Fe(III)(μ-HCO2)Fe(III)]2+ generated by unconventional oxidation of the diferric formate species taking place at ligand L, while the CO2-to-HCO2- reduction involves a critical intermediate of [Fe(II)-H]- that was independently synthesized and structurally characterized.
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Affiliation(s)
- Yongxian Li
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Jia-Yi Chen
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xinchao Zhang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiqiang Peng
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Qiyi Miao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Wang Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fei Xie
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Rong-Zhen Liao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shengfa Ye
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Chen-Ho Tung
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Wenguang Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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11
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Jennings M, Cuéllar E, Rojo A, Ferrero S, García-Herbosa G, Nganga J, Angeles-Boza AM, Martín-Alvarez JM, Miguel D, Villafañe F. 1,2-Azolylamidino ruthenium(II) complexes with DMSO ligands: electro- and photocatalysts for CO 2 reduction. Dalton Trans 2023; 52:16974-16983. [PMID: 37933188 DOI: 10.1039/d3dt01122d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
New 1,2-azolylamidino complexes fac-[RuCl(DMSO)3(NHC(R)az*-κ2N,N)]OTf [R = Me (2), Ph (3); az* = pz (pyrazolyl, a), indz (indazolyl, b)] are synthesized via chloride abstraction from their corresponding precursors cis,fac-[RuCl2(DMSO)3(az*H)] (1) after subsequent base-catalyzed coupling of the appropriate nitrile with the 1,2-azole previously coordinated. All the compounds are characterized by 1H NMR, 13C NMR and IR spectroscopy. Those derived from MeCN are also characterized by X-ray diffraction. Electrochemical studies showed several reduction waves in the range of -1.5 to -3 V. The electrochemical behavior in CO2 media is consistent with CO2 electrocatalytic reduction. The catalytic activity expressed as [icat(CO2)/ip(Ar)] ranged from 1.7 to 3.7 for the 1,2-azolylamidino complexes at voltages of ca. -2.7 to -3 V vs. ferrocene/ferrocenium. Controlled potential electrolysis showed rapid decomposition of the Ru catalysts. Photocatalytic CO2 reduction experiments using compounds 1b, 2b and 3b carried out in a CO2-saturated MeCN/TEOA (4 : 1 v/v) solution containing a mixture of the catalyst and [Ru(bipy)3]2+ as the photosensitizer under continuous irradiation (light intensity of 150 mW cm-2 at 25 °C, λ > 300 nm) show that compounds 1b, 2b and 3b allowed CO2 reduction catalysis, producing CO and trace amounts of formate. The combined turnover number for the production of formate and CO is ca. 100 after 8 h and follows the order 1b < 2b ≈ 3b.
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Affiliation(s)
- Murphy Jennings
- Institute of Materials Science, University of Connecticut, 97 N. Eagleville Rd, Storrs, CT 06269, USA
| | - Elena Cuéllar
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Ariadna Rojo
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Sergio Ferrero
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Gabriel García-Herbosa
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001 Burgos, Spain
| | - John Nganga
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Rd, Storrs, CT 06269, USA
| | - Alfredo M Angeles-Boza
- Institute of Materials Science, University of Connecticut, 97 N. Eagleville Rd, Storrs, CT 06269, USA
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Rd, Storrs, CT 06269, USA
| | - Jose M Martín-Alvarez
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Daniel Miguel
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
| | - Fernando Villafañe
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Campus Miguel Delibes, Universidad de Valladolid, 47011 Valladolid, Spain.
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12
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Kuramochi S, Cameron JM, Fukui T, Jones KD, Argent SP, Kusaka S, Shiraishi R, Tamaki Y, Yatsu T, Shiga T, Ishitani O, Oshio H, Newton GN. Selective electrochemical CO 2 conversion with a hybrid polyoxometalate. Chem Commun (Camb) 2023; 59:10801-10804. [PMID: 37594189 DOI: 10.1039/d3cc02138f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
A multi-component coordination compound, in which ruthenium antenna complexes are connected to a polyoxotungstate core is presented. This hybrid cluster effectively promotes the electrochemical conversion of CO2 to C1 feedstocks, the selectivity of which can be controlled by the acidity of the media.
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Affiliation(s)
- Satoshi Kuramochi
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Jamie M Cameron
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, School of Chemistry, University of Nottingham, Nottingham, NG7 2TU, UK.
| | - Tomoya Fukui
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Kieran D Jones
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, School of Chemistry, University of Nottingham, Nottingham, NG7 2TU, UK.
| | - Stephen P Argent
- School of Chemistry, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Shinpei Kusaka
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Ryo Shiraishi
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Yusuke Tamaki
- Department of Chemistry, School of Science, Tokyo Institute of Technology, O-okayama, meguro-ku, Tokyo, 152-8550, Japan
| | - Taiki Yatsu
- Department of Chemistry, School of Science, Tokyo Institute of Technology, O-okayama, meguro-ku, Tokyo, 152-8550, Japan
| | - Takuya Shiga
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Osamu Ishitani
- Department of Chemistry, School of Science, Tokyo Institute of Technology, O-okayama, meguro-ku, Tokyo, 152-8550, Japan
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739 8526, Japan
| | - Hiroki Oshio
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8571, Japan.
| | - Graham N Newton
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, School of Chemistry, University of Nottingham, Nottingham, NG7 2TU, UK.
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13
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Song S, Lee W, Lee Y, Cho KB, Lee J, Seo J. Two-Electron-Induced Reorganization of Cobalt Coordination and Metal-Ligand Cooperative Redox Shifting Co(I) Reactivity toward CO 2 Reduction. Inorg Chem 2023; 62:2326-2333. [PMID: 36691700 DOI: 10.1021/acs.inorgchem.2c04071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Electrochemical reorganization of complex structures is directly related to catalytic reactivity; thus, the geometric changes of catalysts induced by electron transfer should be considered to scrutinize the reaction mechanism. Herein, we studied electron-induced reorganization patterns of six-coordinate Co complexes with neutral N-donor ligands. Upon two-electron transfer into a Co center enclosed within a bulky π-acceptor ligand, the catalytic site exhibited different reorganization patterns depending on the ligand characteristics. While a bipyridyl ligand released Co-bound solvent (CH3CN) to open a reaction site, a phenanthroline ligand caused Co-Narm (side "arm" of NNN-ligand) bond dissociation. The first electron transfer occurred in the Co(II/I) reduction step and the second electron entered the bulky π-acceptor, of which redox steps were assigned from cyclic voltammograms, magnetic moment measurements, and DFT calculations. In comparison, the Co complex of [NNNNCH3-Co(CH3CN)3](PF6)2 ([1-(CH3CN)3](PF6)2) showed a high H2 evolution reactivity (HER), whereas a series of Co complexes with bulky π-acceptors such as [NNNNCH3-Co(L)(CH3CN)](PF6)2 (L = phen ([2-CH3CN](PF6)2), bpy ([3-CH3CN](PF6)2), [NNNNCH3-Co(tpy)](PF6)2 ([4](PF6)2), and [NNNCH2-Co(phen)(CH3CN)](PF6)2 ([5-CH3CN](PF6)2)) suppressed the HER but rather enhanced the CO2 reduction reaction. The metal-ligand cooperative redox steps enabled the shift of Co(I) reactivity toward CO2 reduction. Additionally, the amine pendant attached to the NNNNCH3-ligand could stabilize the CO2 reduction intermediate through the hydrogen-bonding interaction with the Co-CO2H adduct.
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Affiliation(s)
- Seungjin Song
- Department of Chemistry, Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea.,Research Center for Innovative Energy and Carbon Optimized Synthesis for Chemicals(Inn-ECOSysChem), Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea
| | - Wonjung Lee
- Department of Chemistry, Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea.,Research Center for Innovative Energy and Carbon Optimized Synthesis for Chemicals(Inn-ECOSysChem), Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea
| | - Youngseob Lee
- Department of Chemistry, Jeonbuk National University, Jeonju54896, Republic of Korea
| | - Kyung-Bin Cho
- Department of Chemistry, Jeonbuk National University, Jeonju54896, Republic of Korea
| | - Junseong Lee
- Department of Chemistry, Chonnam National University; Gwangju61186, Republic of Korea
| | - Junhyeok Seo
- Department of Chemistry, Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea.,Research Center for Innovative Energy and Carbon Optimized Synthesis for Chemicals(Inn-ECOSysChem), Gwangju Institute of Science and Technology; Gwangju61005, Republic of Korea
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14
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An L, De La Torre P, Smith PT, Narouz MR, Chang CJ. Synergistic Porosity and Charge Effects in a Supramolecular Porphyrin Cage Promote Efficient Photocatalytic CO 2 Reduction. Angew Chem Int Ed Engl 2023; 62:e202209396. [PMID: 36538739 PMCID: PMC9868116 DOI: 10.1002/anie.202209396] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 12/24/2022]
Abstract
We present a supramolecular approach to catalyzing photochemical CO2 reduction through second-sphere porosity and charge effects. An iron porphyrin box (PB) bearing 24 cationic groups, FePB-2(P), was made via post-synthetic modification of an alkyne-functionalized supramolecular synthon. FePB-2(P) promotes the photochemical CO2 reduction reaction (CO2 RR) with 97 % selectivity for CO product, achieving turnover numbers (TON) exceeding 7000 and initial turnover frequencies (TOFmax ) reaching 1400 min-1 . The cooperativity between porosity and charge results in a 41-fold increase in activity relative to the parent Fe tetraphenylporphyrin (FeTPP) catalyst, which is far greater than analogs that augment catalysis through porosity (FePB-3(N), 4-fold increase) or charge (Fe p-tetramethylanilinium porphyrin (Fe-p-TMA), 6-fold increase) alone. This work establishes that synergistic pendants in the secondary coordination sphere can be leveraged as a design element to augment catalysis at primary active sites within confined spaces.
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Affiliation(s)
- Lun An
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Patricia De La Torre
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Peter T Smith
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Mina R Narouz
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, 94720-1460, Berkeley, CA, USA
- Department of Molecular and Cell Biology, University of California, Berkeley, 94720-1460, Berkeley, CA, USA
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15
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An L, De La Torre P, Smith PT, Narouz MR, Chang CJ. Synergistic Porosity and Charge Effects in a Supramolecular Porphyrin Cage Promote Efficient Photocatalytic CO
2
Reduction**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Lun An
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Patricia De La Torre
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Peter T. Smith
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Mina R. Narouz
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
| | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley 94720-1460 Berkeley, CA USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 94720-1460 Berkeley, CA USA
- Department of Molecular and Cell Biology University of California, Berkeley 94720-1460 Berkeley, CA USA
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16
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Assaf EA, Gonell S, Chen CH, Miller AJM. Accessing and Photo-Accelerating Low-Overpotential Pathways for CO 2 Reduction: A Bis-Carbene Ruthenium Terpyridine Catalyst. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eric A. Assaf
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599-3290, United States
| | - Sergio Gonell
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599-3290, United States
| | - Chun-Hsing Chen
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599-3290, United States
| | - Alexander J. M. Miller
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599-3290, United States
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17
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Synthesis, characterization, structural and photophysical properties of heteroleptic ruthenium complexes containing 2-(1H-benzo[d]imidazol-2-yl)quinoline ligand towards electrocatalytic CO2 reduction. J CHEM SCI 2022. [DOI: 10.1007/s12039-022-02063-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Huang Y, He H, Liu J, Thummel RP, Tong L. Electrocatalytic CO2 Reduction by Molecular Ruthenium Complexes with Polypyridyl Ligands. Chem Asian J 2022; 17:e202200217. [PMID: 35384330 DOI: 10.1002/asia.202200217] [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: 03/02/2022] [Revised: 04/03/2022] [Indexed: 11/06/2022]
Abstract
Two series of ruthenium complexes with various polypyridyl ligands have been prepared. One series of complexes (5 examples) are featured with tetradentate polypyridyl ligands and two acetonitrile molecules at the axial positions of the coordination sphere; the other series (3 examples) include combinations of a tridentate polypyridyl ligand, one 2,2'-bipyridine (bpy) or two picolines, and one acetonitrile ligand. All these complexes were fully characterized by their NMR spectra as well as X-ray single crystal structures. Their electronic absorption and redox data were measured and reported. Of the 8 complexes, three candidates effectively catalyze electrochemical CO 2 reduction reaction (CO 2 RR) in wet acetonitrile medium, generating CO as the major product. All these three catalytically active complexes contain a 2,2':6',2″:6″,2‴-quaterpyridine (qpy) ligand scaffold. A maximum turnover frequency (TOF max ) of > 1000 s -1 was achieved for the electrocatalytic CO 2 reduction at a modest overpotential. On the basis of electrochemical and spectroelectrochemical evidences, the CO 2 substrate was proposed to bind with the ruthenium center at the two-electron reduced state of the complex and then enter the catalytic cycle.
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Affiliation(s)
- Yan Huang
- Guangzhou University, Chemistry and Chemical Engineering, CHINA
| | - Huixin He
- Guangzhou University, Chemistry and Chemical Engineering, CHINA
| | - Jiale Liu
- Guangzhou University, Chemistry and Chemical Engineering, CHINA
| | | | - Lianpeng Tong
- Guangzhou University, Chemistry and Chemical Engineering, No230 Wai Huan Xi Street, 510006, Guangzhou, CHINA
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19
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Giri B, Mahata A, Kella T, Shee D, De Angelis F, Maji S. Tetrazole-Substituted isomeric ruthenium polypyridyl complexes for low overpotential electrocatalytic CO2 reduction. J Catal 2022. [DOI: 10.1016/j.jcat.2021.11.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Liang F, Zhang K, Zhang L, Zhang Y, Lei Y, Sun X. Recent Development of Electrocatalytic CO 2 Reduction Application to Energy Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100323. [PMID: 34151517 DOI: 10.1002/smll.202100323] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/12/2021] [Indexed: 06/13/2023]
Abstract
Carbon dioxide (CO2 ) emission has caused greenhouse gas pollution worldwide. Hence, strengthening CO2 recycling is necessary. CO2 electroreduction reaction (CRR) is recognized as a promising approach to utilize waste CO2 . Electrocatalysts in the CRR process play a critical role in determining the selectivity and activity of CRR. Different types of electrocatalysts are introduced in this review: noble metals and their derived compounds, transition metals and their derived compounds, organic polymer, and carbon-based materials, as well as their major products, Faradaic efficiency, current density, and onset potential. Furthermore, this paper overviews the recent progress of the following two major applications of CRR according to the different energy conversion methods: electricity generation and formation of valuable carbonaceous products. Considering electricity generation devices, the electrochemical properties of metal-CO2 batteries, including Li-CO2 , Na-CO2 , Al-CO2 , and Zn-CO2 batteries, are mainly summarized. Finally, different pathways of CO2 electroreduction to carbon-based fuels is presented, and their reaction mechanisms are illustrated. This review provides a clear and innovative insight into the entire reaction process of CRR, guiding the new electrocatalysts design, state-of-the-art analysis technique application, and reaction system innovation.
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Affiliation(s)
- Feng Liang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China
- State Key Laboratory of Complex Nonferrous Metal Resources Clear Utilization, Kunming University of Science and Technology, Kunming, 650093, China
| | - Kaiwen Zhang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China
| | - Lei Zhang
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Yingjie Zhang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China
| | - Yong Lei
- Institute of Physics & IMN MacroNano (ZIK), Technical University of Ilmenau, 98693, Ilmenau, Germany
| | - Xueliang Sun
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario, N6A 5B9, Canada
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21
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Laurans M, Wells JAL, Ott S. Immobilising molecular Ru complexes on a protective ultrathin oxide layer of p-Si electrodes towards photoelectrochemical CO 2 reduction. Dalton Trans 2021; 50:10482-10492. [PMID: 34259300 DOI: 10.1039/d1dt01331a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Photoelectrochemical CO2 reduction is a promising approach for renewable fuel generation and to reduce greenhouse gas emissions. Owing to their synthetic tunability, molecular catalysts for the CO2 reduction reaction can give rise to high product selectivity. In this context, a RuII complex [Ru(HO-tpy)(6-mbpy)(NCCH3)]2+ (HO-tpy = 4'-hydroxy-2,2':6',2''-terpyridine; 6-mbpy = 6-methyl-2,2'-bipyridine) was immobilised on a thin SiOx layer of a p-Si electrode that was decorated with a bromide-terminated molecular layer. Following the characterisation of the assembled photocathodes by X-ray photoelectron spectroscopy and ellipsometry, PEC experiments demonstrate electron transfer from the p-Si to the Ru complex through the native oxide layer under illumination and a cathodic bias. A state-of-the-art photovoltage of 570 mV was determined by comparison with an analogous n-type Si assembly. While the photovoltage of the modified photocathode is promising for future photoelectrochemical CO2 reduction and the p-Si/SiOx junction seems to be unchanged during the PEC experiments, a fast desorption of the molecular Ru complex was observed. An in-depth investigation of the cathode degradation by comparison with reference materials highlights the role of the hydroxyl functionality of the Ru complex to ensure its grafting on the substrate. In contrast, no essential role for the bromide function on the Si substrate designed to engage with the hydroxyl group of the Ru complex in an SN2-type reaction could be established.
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Affiliation(s)
- Maxime Laurans
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
| | - Jordann A L Wells
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
| | - Sascha Ott
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
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22
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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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23
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Nganga J, Chaudhri N, Brückner C, Angeles-Boza AM. β-Oxochlorin cobalt(II) complexes catalyze the electrochemical reduction of CO 2. Chem Commun (Camb) 2021; 57:4396-4399. [PMID: 33949479 DOI: 10.1039/d1cc00573a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Inspired by the architecture of the macrocycle of heme d1, a series of synthetic mono-, di- and tri-β-oxo-substituted porphyrinoid cobalt(ii) complexes were evaluated as electrocatalytic CO2 reducers, identifying complexes of unusually high efficiencies in generating multi-electron reduction products, including CH4.
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Affiliation(s)
- John Nganga
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, Storrs, CT 06269, USA.
| | - Nivedita Chaudhri
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, Storrs, CT 06269, USA.
| | - Christian Brückner
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, Storrs, CT 06269, USA.
| | - Alfredo M Angeles-Boza
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, Storrs, CT 06269, USA. and Institute of Materials Science, University of Connecticut, 97 N. Eagleville Road, Storrs, CT 06269, USA.
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25
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Queyriaux N, Esmieu C, Gupta AK, Vendier L, Ott S, Orio M, Hammarström L. Electrochemical, Spectroscopic, and Computational Investigation of a Series of Polypyridyl Ruthenium(II) Complexes: Characterization of Reduced States. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nicolas Queyriaux
- Department of Chemistry Ångström Laboratories Uppsala University, Box 523, 751 20 Uppsala Sweden
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse France
| | - Charlène Esmieu
- Department of Chemistry Ångström Laboratories Uppsala University, Box 523, 751 20 Uppsala Sweden
| | - Arvind K. Gupta
- Department of Chemistry Ångström Laboratories Uppsala University, Box 523, 751 20 Uppsala Sweden
| | - Laure Vendier
- CNRS, LCC (Laboratoire de Chimie de Coordination) 31077 Toulouse France
| | - Sascha Ott
- Department of Chemistry Ångström Laboratories Uppsala University, Box 523, 751 20 Uppsala Sweden
| | - Maylis Orio
- CNRS Centrale Marseille, iSm2 Aix Marseille University 13397 Marseille France
| | - Leif Hammarström
- Department of Chemistry Ångström Laboratories Uppsala University, Box 523, 751 20 Uppsala Sweden
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26
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Nganga JK, Wolf LM, Mullick K, Reinheimer E, Saucedo C, Wilson ME, Grice KA, Ertem MZ, Angeles-Boza AM. Methane Generation from CO 2 with a Molecular Rhenium Catalyst. Inorg Chem 2021; 60:3572-3584. [PMID: 33616393 DOI: 10.1021/acs.inorgchem.0c02579] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The atomic-level tunability of molecular structures is a compelling reason to develop homogeneous catalysts for challenging reactions such as the electrochemical reduction of carbon dioxide to valuable C1-Cn products. Of particular interest is methane, the largest component of natural gas. Herein, we report a series of three isomeric rhenium tricarbonyl complexes coordinated by the asymmetric diimine ligands 2-(isoquinolin-1-yl)-4,5-dihydrooxazole (quin-1-oxa), 2-(quinolin-2-yl)-4,5-dihydrooxazole (quin-2-oxa), and 2-(isoquinolin-3-yl)-4,5-dihydrooxazole (quin-3-oxa) that catalyze the reduction of CO2 to carbon monoxide and methane, albeit the latter with a low efficiency. To our knowledge, these complexes are the first examples of rhenium(I) catalysts capable of converting carbon dioxide into methane. Re(quin-1-oxa)(CO)3Cl (1), Re(quin-2-oxa)(CO)3Cl (2), and Re(quin-3-oxa)(CO)3Cl (3) were characterized and studied using a variety of electrochemical and spectroscopic techniques. In bulk electrolysis experiments, the three complexes reduce CO2 to CO and CH4. When the controlled-potential electrolysis experiments are performed at -2.5 V (vs Fc+/0) and in the presence of the Brønsted acid 2,2,2-trifluoroethanol, methane is produced with turnover numbers that range from 1.3 to 1.8. Isotope labeling experiments using 13CO2 atmosphere produce 13CH4 (m/z = 17) confirming that methane originates from CO2 reduction. Theoretical calculations are performed to investigate the mechanistic aspects of the 8e-/8H+ reduction of CO2 to CH4. A ligand-assisted pathway is proposed to be an efficient pathway in the formation of CH4. Delocalization of the electron density on the (iso)quinoline moiety upon reduction stabilizes the key carbonyl intermediate leading to additional reactivity of this ligand. These results should aid the development of more robust catalytic systems that produce CH4 from CO2.
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Affiliation(s)
- John K Nganga
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-30602, United States
| | - Lucienna M Wolf
- Department of Chemistry and Biochemistry, DePaul University, Chicago, Illinois 60614, United States
| | - Kankana Mullick
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-30602, United States
| | - Eric Reinheimer
- Rigaku, 9009 New Trails Drive, The Woodlands, Texas 77381, United States
| | - Cesar Saucedo
- Department of Chemistry and Biochemistry, DePaul University, Chicago, Illinois 60614, United States
| | - Megan E Wilson
- Department of Chemistry and Biochemistry, DePaul University, Chicago, Illinois 60614, United States
| | - Kyle A Grice
- Department of Chemistry and Biochemistry, DePaul University, Chicago, Illinois 60614, United States
| | - Mehmed Z Ertem
- Chemistry Division, Energy & Photon Sciences Directorate, Brookhaven National Laboratory, Building 555A, Upton, New York 11973, United States
| | - Alfredo M Angeles-Boza
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-30602, United States.,Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269-3060, United States
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27
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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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28
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Cuéllar E, Pastor L, García-Herbosa G, Nganga J, Angeles-Boza AM, Diez-Varga A, Torroba T, Martín-Alvarez JM, Miguel D, Villafañe F. (1,2-Azole)bis(bipyridyl)ruthenium(II) Complexes: Electrochemistry, Luminescent Properties, And Electro- And Photocatalysts for CO 2 Reduction. Inorg Chem 2021; 60:692-704. [PMID: 33356209 DOI: 10.1021/acs.inorgchem.0c02716] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
New cis-(1,2-azole)-aquo bis(2,2'-bipyridyl)ruthenium(II) (1,2-azole (az*H) = pzH (pyrazole), dmpzH (3,5-dimethylpyrazole), and indzH (indazole)) complexes are synthesized via chlorido abstraction from cis-[Ru(bipy)2Cl(az*H)]OTf. The latter are obtained from cis-[Ru(bipy)2Cl2] after the subsequent coordination of the 1,2-azole. All the compounds are characterized by 1H, 13C, 15N NMR spectroscopy as well as IR spectroscopy. Two chlorido complexes (pzH and indzH) and two aquo complexes (indzH and dmpzH) are also characterized by X-ray diffraction. Photophysical and electrochemical studies were carried out on all the complexes. The photophysical data support the phosphorescence of the complexes. The electrochemical behavior of all the complexes in an Ar atmosphere indicate that the oxidation processes assigned to Ru(II) → Ru(III) occurs at higher potentials in the aquo complexes. The reduction processes under Ar lead to several waves, indicating that the complexes undergo successive electron-transfer reductions that are centered in the bipy ligands. The first electron reduction is reversible. The electrochemical behavior in CO2 media is consistent with CO2 electrocatalyzed reduction, where the values of the catalytic activity [icat(CO2)/ip(Ar)] ranged from 2.9 to 10.8. Controlled potential electrolysis of the chlorido and aquo complexes affords CO and formic acid, with the latter as the major product after 2 h. Photocatalytic experiments in MeCN with [Ru(bipy)3]Cl2 as the photosensitizer and TEOA as the electron donor, which were irradiated with >300 nm light for 24 h, led to CO and HCOOH as the main reduction products, achieving a combined turnover number (TONCO+HCOO-) as high as 107 for 2c after 24 h of irradiation.
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Affiliation(s)
- Elena Cuéllar
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid-Campus Miguel Delibes, 47011 Valladolid, Spain
| | - Laura Pastor
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid-Campus Miguel Delibes, 47011 Valladolid, Spain
| | - Gabriel García-Herbosa
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001 Burgos, Spain
| | - John Nganga
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Rd, Storrs, Connecticut 06269, United States
| | - Alfredo M Angeles-Boza
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Rd, Storrs, Connecticut 06269, United States
| | - Alberto Diez-Varga
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001 Burgos, Spain
| | - Tomás Torroba
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001 Burgos, Spain
| | - Jose M Martín-Alvarez
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid-Campus Miguel Delibes, 47011 Valladolid, Spain
| | - Daniel Miguel
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid-Campus Miguel Delibes, 47011 Valladolid, Spain
| | - Fernando Villafañe
- GIR MIOMeT-IU Cinquima-Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid-Campus Miguel Delibes, 47011 Valladolid, Spain
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29
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Gonell S, Lloret-Fillol J, Miller AJM. An Iron Pyridyl-Carbene Electrocatalyst for Low Overpotential CO2 Reduction to CO. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03798] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sergio Gonell
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
| | - Julio Lloret-Fillol
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans, 16, 43007 Tarragona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluïs Companys, 23, 08010 Barcelona, Spain
| | - Alexander J. M. Miller
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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30
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Abstract
The decrease of total amount of atmospheric CO2 is an important societal challenge in which CO2 reduction has an important role to play. Electrocatalytic CO2 reduction with homogeneous catalysts is based on highly tunable catalyst design and exploits an abundant C1 source to make valuable products such as fuels and fuel precursors. These methods can also take advantage of renewable electricity as a green reductant. Mn-based catalysts offer these benefits while incorporating a relatively cheap and abundant first-row transition metal. Historically, interest in this field started with Mn(bpy-R)(CO)3X, whose performance matched that of its Re counterparts while achieving substantially lower overpotentials. This review examines an emerging class of homogeneous Mn-based electrocatalysts for CO2 reduction, Mn complexes with meridional tridentate coordination also known as Mn pincers, most of which contain redox-active ligands that enable multi-electron catalysis. Although there are relatively few examples in the literature thus far, these catalysts bring forth new catalytic mechanisms not observed for the well-established Mn(bpy-R)(CO)3X catalysts, and show promising reactivity for future studies.
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31
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Wang Y, Su H, He Y, Li L, Zhu S, Shen H, Xie P, Fu X, Zhou G, Feng C, Zhao D, Xiao F, Zhu X, Zeng Y, Shao M, Chen S, Wu G, Zeng J, Wang C. Advanced Electrocatalysts with Single-Metal-Atom Active Sites. Chem Rev 2020; 120:12217-12314. [DOI: 10.1021/acs.chemrev.0c00594] [Citation(s) in RCA: 292] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yuxuan Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Hongyang Su
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yanghua He
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Ligui Li
- New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510007, China
| | - Shangqian Zhu
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong P. R. China
| | - Hao Shen
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Pengfei Xie
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Xianbiao Fu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Guangye Zhou
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Chen Feng
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Dengke Zhao
- New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510007, China
| | - Fei Xiao
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong P. R. China
| | - Xiaojing Zhu
- New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510007, China
| | - Yachao Zeng
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Minhua Shao
- Department of Chemical and Biological Engineering, Energy Institute, Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory, and Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science and Technology, Kowloon, Hong Kong P. R. China
| | - Shaowei Chen
- Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, United States
| | - Gang Wu
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Jie Zeng
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chao Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
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32
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Dey S, Todorova TK, Fontecave M, Mougel V. Electroreduction of CO
2
to Formate with Low Overpotential using Cobalt Pyridine Thiolate Complexes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006269] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Subal Dey
- Department of Chemistry and Applied Biosciences ETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
- Laboratoire de Chimie des Processus Biologiques UMR 8229 CNRS Collège de France, Paris Sorbonne Université PSL Research University 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
| | - Tanya K. Todorova
- Laboratoire de Chimie des Processus Biologiques UMR 8229 CNRS Collège de France, Paris Sorbonne Université PSL Research University 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques UMR 8229 CNRS Collège de France, Paris Sorbonne Université PSL Research University 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
| | - Victor Mougel
- Department of Chemistry and Applied Biosciences ETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
- Laboratoire de Chimie des Processus Biologiques UMR 8229 CNRS Collège de France, Paris Sorbonne Université PSL Research University 11 Place Marcelin Berthelot 75231 Paris Cedex 05 France
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33
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Dey S, Todorova TK, Fontecave M, Mougel V. Electroreduction of CO 2 to Formate with Low Overpotential using Cobalt Pyridine Thiolate Complexes. Angew Chem Int Ed Engl 2020; 59:15726-15733. [PMID: 32673413 DOI: 10.1002/anie.202006269] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Indexed: 11/11/2022]
Abstract
Electrocatalytic CO2 reduction to value-added products provides a viable alternative to the use of carbon sources derived from fossil fuels. Carrying out these transformations at reasonable energetic costs, for example, with low overpotential, remains a challenge. Molecular catalysts allow fine control of activity and selectivity via tuning of their coordination sphere and ligand set. Herein we investigate a series of cobalt(III) pyridine-thiolate complexes as electrocatalysts for CO2 reduction. The effect of the ligands and proton sources on activity was examined. We identified bipyridine bis(2-pyridinethiolato) cobalt(III) hexaflurophosphate as a highly selective catalyst for formate production operating at a low overpotential of 110 mV with a turnover frequency (TOF) of 10 s-1 . Electrokinetic analysis coupled with density functional theory (DFT) computations established the mechanistic pathway, highlighting the role of metal hydride intermediates. The catalysts deactivate via the formation of stable cobalt carbonyl complexes, but the active species could be regenerated upon oxidation and release of coordinated CO ligands.
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Affiliation(s)
- Subal Dey
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, 8093, Zürich, Switzerland.,Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Paris, Sorbonne Université, PSL Research University, 11 Place Marcelin Berthelot, 75231, Paris Cedex 05, France
| | - Tanya K Todorova
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Paris, Sorbonne Université, PSL Research University, 11 Place Marcelin Berthelot, 75231, Paris Cedex 05, France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Paris, Sorbonne Université, PSL Research University, 11 Place Marcelin Berthelot, 75231, Paris Cedex 05, France
| | - Victor Mougel
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1-5, 8093, Zürich, Switzerland.,Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Paris, Sorbonne Université, PSL Research University, 11 Place Marcelin Berthelot, 75231, Paris Cedex 05, France
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34
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Yang Y, Zhang Z, Chang X, Zhang YQ, Liao RZ, Duan L. Highly Active Manganese-Based CO 2 Reduction Catalysts with Bulky NHC Ligands: A Mechanistic Study. Inorg Chem 2020; 59:10234-10242. [PMID: 32585094 DOI: 10.1021/acs.inorgchem.0c01364] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Because of the strong σ-donor and weak π-acceptor of the N-heterocyclic carbene (NHC), Mn-NHC complexes were found to be active for the reduction of CO2 to CO with high activity. However, some NHC-based manganese complexes showed low catalytic activity and required very negative potentials. We report herein that complex fac-[MnI(bis-MesNHC)(CO)3Br] [1; bis-MesNHC = 3,3-bis(2,4,6-trimethylphenyl)-(1,1'-diimidazolin-2,2'-diylidene)methane] could catalyze the electrochemical reduction of CO2 to CO with high activity (TOFmax = 3180 ± 6 s-1) at a less negative potential. Due to the introduction of the bulky Mes groups, a one-electron-reduced intermediate {[Mn0(bis-MesNHC)(CO)3]0 (2•)} was isolated as a packed "dimer" and crystallographically characterized. Stopped-flow Fourier-transform infrared spectroscopy was used to prove the direct reaction between doubly reduced intermediate fac-[Mn(bis-MesNHC)(CO)3]- and CO2; the tetracarbonyl Mn complex [Mn+(bis-MesNHC)(CO)4]+ ([2-CO]+) was captured, and its further reduction proposed as the rate-limiting step.
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Affiliation(s)
- Yong Yang
- Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, P. R. China
| | - Zhenyu Zhang
- Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, P. R. China
| | - Xiaoyong Chang
- Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, P. R. China
| | - Ya-Qiong Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Rong-Zhen Liao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Lele Duan
- Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, P. R. China.,Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Energy Materials for Electric Power, Southern University of Science and Technology (SUSTech), Shenzhen 518055, P. R. China
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35
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Ghosh D, Kajiwara T, Kitagawa S, Tanaka K. Ligand‐Assisted Electrochemical CO
2
Reduction by Ru‐Polypyridyl Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000259] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Debashis Ghosh
- Department of Applied Chemistry Karunya Institute of Technology and Sciences (Deemed to be University) ‐641114 Coimbatore Tamil Nadu India
| | - Takashi Kajiwara
- Institute for Integrated Cell‐Material Sciences (KUIAS/iCeMS) Kyoto University Yoshida, Sakyo‐ku 606‐8501 Kyoto Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell‐Material Sciences (KUIAS/iCeMS) Kyoto University Yoshida, Sakyo‐ku 606‐8501 Kyoto Japan
| | - Koji Tanaka
- Institute for Integrated Cell‐Material Sciences (KUIAS/iCeMS) Kyoto University Yoshida, Sakyo‐ku 606‐8501 Kyoto Japan
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36
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Talukdar K, Sinha Roy S, Amatya E, Sleeper EA, Le Magueres P, Jurss JW. Enhanced Electrochemical CO 2 Reduction by a Series of Molecular Rhenium Catalysts Decorated with Second-Sphere Hydrogen-Bond Donors. Inorg Chem 2020; 59:6087-6099. [PMID: 32309933 DOI: 10.1021/acs.inorgchem.0c00154] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A series of rhenium(I) fac-tricarbonyl complexes containing pendent arylamine functionality in the second coordination sphere have been developed and studied as electrocatalysts for carbon dioxide (CO2) reduction. Aniline moieties were appended at the 6 position of a 2,2'-bipyridine (bpy) donor in which the primary amine was positioned at the ortho- (1-Re), meta- (2-Re), and para- (3-Re) sites of the aniline substituent to generate a family of isomers. The relationship between the catalyst structure and activity was explored across the series, and the catalytic performance was compared to that of the benchmark catalyst Re(bpy)(CO)3Cl (ReBpy). Catalysts 1-Re, 2-Re, and 3-Re outperform the benchmark catalyst both in anhydrous acetonitrile and with added trifluoroethanol (TFE) as an external proton source. In the presence of TFE, the aniline-substituted catalysts convert CO2 to carbon monoxide (CO) with high Faradaic efficiencies (≥89%) and have superior turnover frequencies (TOFs) relative to ReBpy (72.9 s-1), with 2-Re having the highest TOF of the series at 239 s-1, a value that is twice that of the next most active catalyst. TOFs of 123 and 109 s-1 were observed for the ortho- and para-substituted aniline complexes (1-Re and 3-Re), respectively. Indeed, catalytic activities vary widely across the series, showing a high sensitivity to the position of the amine functionality relative to the rhenium active site. IR and UV-vis spectroelectrochemical experiments were conducted on the aniline-substituted systems, revealing important differences between the catalysts and mechanistic insight.
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Affiliation(s)
- Kallol Talukdar
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Sayontani Sinha Roy
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Eva Amatya
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Elizabeth A Sleeper
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | | | - Jonah W Jurss
- Department of Chemistry and Biochemistry, University of Mississippi, University, Mississippi 38677, United States
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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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Das B, Jia C, Ching K, Bhadbhade M, Chen X, Ball GE, Colbran SB, Zhao C. Ruthenium Complexes in Homogeneous and Heterogeneous Catalysis for Electroreduction of CO
2. ChemCatChem 2020. [DOI: 10.1002/cctc.201902020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Biswanath Das
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Chen Jia
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Karin Ching
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Mohan Bhadbhade
- Mark Wainwright Analytical Centre The University of New South Wales Sydney NSW 2052 Australia
| | - Xianjue Chen
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Graham E. Ball
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Stephen B. Colbran
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
| | - Chuan Zhao
- School of Chemistry The University of New South Wales Sydney NSW 2052 Australia
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39
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Chai X, Huang HH, Liu H, Ke Z, Yong WW, Zhang MT, Cheng YS, Wei XW, Zhang L, Yuan G. Highly efficient and selective photocatalytic CO2 to CO conversion in aqueous solution. Chem Commun (Camb) 2020; 56:3851-3854. [DOI: 10.1039/d0cc00879f] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Co-based complex displayed the highest photocatalytic performance for CO2 to CO conversion in aqueous media.
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Affiliation(s)
- Xiaomin Chai
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
| | - Hai-Hua Huang
- School of Materials Science & Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- China
| | - Huiping Liu
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
| | - Zhuofeng Ke
- School of Materials Science & Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- China
| | - Wen-Wen Yong
- Center of Basic Molecular Science (CBMS)
- Department of Chemistry
- Tsinghua University
- Beijing
- China
| | - Ming-Tian Zhang
- Center of Basic Molecular Science (CBMS)
- Department of Chemistry
- Tsinghua University
- Beijing
- China
| | - Yuan-Sheng Cheng
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
| | - Xian-Wen Wei
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
| | - Liyan Zhang
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
| | - Guozan Yuan
- School of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan
- China
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40
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Li TT, Shan B, Xu W, Meyer TJ. Electrocatalytic CO 2 Reduction with a Ruthenium Catalyst in Solution and on Nanocrystalline TiO 2. CHEMSUSCHEM 2019; 12:2402-2408. [PMID: 31070011 DOI: 10.1002/cssc.201900730] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/08/2019] [Indexed: 06/09/2023]
Abstract
A RuII complex [Ru(PO3 Et2 -ph-tpy)(6-mbpy)(NCCH3 )]2+ [PO3 Et2 -ph-tpy=diethyl(4-[(2,2':6',2''-terpyridin)-4'-yl]phenyl)phosphonate; 6-mbpy=6-methyl-2,2'-bipyridine] is explored as a molecular catalyst for electrocatalytic CO2 reduction in both a homogeneous solution and, as a phosphonated derivative, on nanocrystalline-TiO2 surfaces. In CH3 CN, the complex acts as a selective electrocatalyst for reduction of CO2 to CO at a low overpotential of 340 mV but with a limited turnover number (TON). An enhancement in reactivity was observed by immobilizing the phosphonated derivative of the catalyst on a nanocrystalline-TiO2 electrode surface, with the catalyst surface protected by a thin overlayer of NiO. The surface-functionalized electrode was characterized by X-ray photoelectron and diffuse reflectance spectroscopies (XPS and DRS). Electrocatalytic reduction of CO2 to CO occurred at -1.65 V versus Fc+/0 with a TON of 237 per catalyst site during 4 h of electrocatalysis. Post-catalysis XPS measurements reveal that the molecular structure of the catalyst is retained on TiO2 after the long-term electrocatalysis.
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Affiliation(s)
- Ting-Ting Li
- Chemistry Institute for Synthesis and Green Application, School of Materials Science and Chemical Engineering, Ningbo University, 818 Fenghua Road, Ningbo, 315211, P.R. China
| | - Bing Shan
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599, USA
| | - Wei Xu
- Chemistry Institute for Synthesis and Green Application, School of Materials Science and Chemical Engineering, Ningbo University, 818 Fenghua Road, Ningbo, 315211, P.R. China
| | - Thomas J Meyer
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599, USA
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41
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Todorova TK, Huan TN, Wang X, Agarwala H, Fontecave M. Controlling Hydrogen Evolution during Photoreduction of CO 2 to Formic Acid Using [Rh(R-bpy)(Cp*)Cl] + Catalysts: A Structure-Activity Study. Inorg Chem 2019; 58:6893-6903. [PMID: 31050296 DOI: 10.1021/acs.inorgchem.9b00371] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The photochemical reduction of CO2 to formic acid catalyzed by a series of [Rh(4,4'-R-bpy)(Cp*)Cl]+ and [Rh(5,5'-COOH-bpy)(Cp*)Cl]+ complexes (Cp* = pentamethylcyclopentadienyl, bpy = 2,2'-bipyridine, and R = OCH3, CH3, H, COOC2H5, CF3, NH2, or COOH) was studied to assess how modifications in the electronic structure of the catalyst affect its selectivity, defined as the HCOOH:H2 product ratio. A direct molecular-level influence of the functional group on the initial reaction rate for CO2 versus proton reduction reactions was established. Density functional theory computations elucidated for the first time the respective role of the [RhH] and [Cp*H] tautomers, recognizing rhodium hydride as the key player for both reactions. In particular, our calculations explain the observed tendency of electron-donating substituents to favor CO2 reduction by means of decreasing the hydricity of the Rh-H bond, resulting in a lower hydride transfer barrier toward formic acid production as compared to substituents with an electron-withdrawing nature that favor more strongly the reduction of protons to hydrogen.
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Affiliation(s)
- Tanya K Todorova
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France , Université Paris 6 , 11 Place Marcelin Berthelot , 75231 Paris Cedex 05, France
| | - Tran Ngoc Huan
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France , Université Paris 6 , 11 Place Marcelin Berthelot , 75231 Paris Cedex 05, France
| | - Xia Wang
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France , Université Paris 6 , 11 Place Marcelin Berthelot , 75231 Paris Cedex 05, France
| | - Hemlata Agarwala
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France , Université Paris 6 , 11 Place Marcelin Berthelot , 75231 Paris Cedex 05, France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France , Université Paris 6 , 11 Place Marcelin Berthelot , 75231 Paris Cedex 05, France
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42
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Gonell S, Massey MD, Moseley IP, Schauer CK, Muckerman JT, Miller AJM. The Trans Effect in Electrocatalytic CO 2 Reduction: Mechanistic Studies of Asymmetric Ruthenium Pyridyl-Carbene Catalysts. J Am Chem Soc 2019; 141:6658-6671. [PMID: 30973225 DOI: 10.1021/jacs.9b01735] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A comprehensive mechanistic study of electrocatalytic CO2 reduction by ruthenium 2,2':6',2″-terpyridine (tpy) pyridyl-carbene catalysts reveals the importance of stereochemical control to locate the strongly donating N-heterocyclic carbene ligand trans to the site of CO2 activation. Computational studies were undertaken to predict the most stable isomer for a range of reasonable intermediates in CO2 reduction, suggesting that the ligand trans to the reaction site plays a key role in dictating the energetic profile of the catalytic reaction. A new isomer of [Ru(tpy)(Mebim-py)(NCCH3)]2+ (Mebim-py is 1-methylbenzimidazol-2-ylidene-3-(2'-pyridine)) and both isomers of the catalytic intermediate [Ru(tpy)(Mebim-py)(CO)]2+ were synthesized and characterized. Experimental studies demonstrate that both isomeric precatalysts facilitate electroreduction of CO2 to CO in 95/5 MeCN/H2O with high activity and high selectivity. Cyclic voltammetry, infrared spectroelectrochemistry, and NMR spectroscopy studies provide a detailed mechanistic picture demonstrating an essential isomerization step in which the N-trans catalyst converts in situ to the C-trans variant. Insight into molecular electrocatalyst design principles emerge from this study. First, the use of an asymmetric ligand that places a strongly electron-donating ligand trans to the site of CO2 binding and activation is critical to high activity. Second, stereochemical control to maintain the desired isomer structure during catalysis is critical to performance. Finally, pairing the strongly donating pyridyl-carbene ligand with the redox-active tpy ligand proves to be useful in boosting activity without sacrificing overpotential. These design principles are considered in the context of surface-immobilized electrocatalysis.
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Affiliation(s)
- Sergio Gonell
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , United States
| | - Marsha D Massey
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , United States
| | - Ian P Moseley
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , United States
| | - Cynthia K Schauer
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , United States
| | - James T Muckerman
- Chemistry Division , Brookhaven National Laboratory , P.O. Box 5000, Upton , New York 11973-5000 , United States
| | - Alexander J M Miller
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , United States
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43
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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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44
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Queyriaux N, Swords WB, Agarwala H, Johnson BA, Ott S, Hammarström L. Mechanistic insights on the non-innocent role of electron donors: reversible photocapture of CO2 by RuII-polypyridyl complexes. Dalton Trans 2019; 48:16894-16898. [DOI: 10.1039/c9dt03461g] [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
The ability of [RuII(tButpy)(dmbpy)(MeCN)]2+ (1-MeCN) to capture CO2, with the assistance of triethanolamine (TEOA), has been assessed under photocatalytically-relevant conditions.
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Affiliation(s)
- Nicolas Queyriaux
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
| | - Wesley B. Swords
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
| | - Hemlata Agarwala
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
| | - Ben A. Johnson
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
| | - Sascha Ott
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
| | - Leif Hammarström
- Department of Chemistry – Ångström Laboratory
- Uppsala University
- Uppsala
- Sweden
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45
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Jiang C, Nichols AW, Machan CW. A look at periodic trends in d-block molecular electrocatalysts for CO2 reduction. Dalton Trans 2019; 48:9454-9468. [DOI: 10.1039/c9dt00491b] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Periodic trends in the electronic structure of the transition metal centers can be used to explain the observed CO2 reduction activities in molecular electrocatalysts for CO2 reductions. Research activities concerning both horizontal and vertical trends have been summarized with mononuclear complexes from Group 6 to Group 10.
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Affiliation(s)
| | - Asa W. Nichols
- Department of Chemistry
- University of Virginia
- Charlottesville
- USA
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46
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Lee SK, Kondo M, Nakamura G, Okamura M, Masaoka S. Low-overpotential CO 2 reduction by a phosphine-substituted Ru(ii) polypyridyl complex. Chem Commun (Camb) 2018; 54:6915-6918. [PMID: 29850662 DOI: 10.1039/c8cc02150c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A Ru polypyridyl complex containing a phosphine donor promoted electrocatalytic CO2 reduction at a low overpotential. Mechanistic investigations revealed that the introduction of a phosphine donor at the trans position to the labile ligand is the key to reduce the overpotential for CO2 reduction.
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Affiliation(s)
- Sze Koon Lee
- Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan.
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47
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Liu FW, Bi J, Sun Y, Luo S, Kang P. Cobalt Complex with Redox-Active Imino Bipyridyl Ligand for Electrocatalytic Reduction of Carbon Dioxide to Formate. CHEMSUSCHEM 2018; 11:1656-1663. [PMID: 29577653 DOI: 10.1002/cssc.201800136] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 03/23/2018] [Indexed: 06/08/2023]
Abstract
An imino bipyridine cobalt(II) complex was developed for the electrocatalytic reduction of CO2 to formate in acetonitrile with a faradaic efficiency of approximately 80 %. For comparison, a symmetric bis-imino pyridine complex showed lower catalytic activity because of less conjugation in the system. Cyclic voltammetry, electron paramagnetic resonance and IR spectroscopy studies provided mechanistic details and the structures of the key intermediates. DFT calculations confirmed the role of large π-conjugated groups for stabilizing key intermediates through electronic conjugation.
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Affiliation(s)
- Fang-Wei Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Rd, Beijing, 100190, PR China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Beijing, 100049, PR China
| | - Jiaojiao Bi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Rd, Beijing, 100190, PR China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Beijing, 100049, PR China
| | - Yuanyuan Sun
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18, Hangzhou, 310014, PR China
| | - Shuping Luo
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18, Hangzhou, 310014, PR China
| | - Peng Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Rd, Beijing, 100190, PR China
- School of Chemical Engineering and Technology, Tianjin University, 135 Yaguan Rd, Tianjin, 300350, PR China
- University of Chinese Academy of Sciences, 19A Yuquan Rd, Beijing, 100049, PR China
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48
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Wang JW, Huang HH, Sun JK, Ouyang T, Zhong DC, Lu TB. Electrocatalytic and Photocatalytic Reduction of CO 2 to CO by Cobalt(II) Tripodal Complexes: Low Overpotentials, High Efficiency and Selectivity. CHEMSUSCHEM 2018; 11:1025-1031. [PMID: 29385321 DOI: 10.1002/cssc.201702280] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 01/30/2018] [Indexed: 06/07/2023]
Abstract
The reduction of carbon dioxide (CO2 ) has been considered as an approach to mitigate global warming and to provide renewable carbon-based fuels. Rational design of efficient, selective, and inexpensive catalysts with low overpotentials is urgently desired. In this study, four cobalt(II) tripodal complexes are tested as catalysts for CO2 reduction to CO in a MeCN/H2 O (4:1 v/v) solution. The replacement of pyridyl groups in the ligands with less basic quinolinyl groups greatly reduces the required overpotential for CO2 -to-CO conversion down to 200-380 mV. Benefitting from the low overpotentials, a photocatalyst system for CO2 -to-CO conversion is successfully constructed, with an maximum turnover number (TON) of 10 650±750, a turnover frequency (TOF) of 1150±80 h-1 , and almost 100 % selectivity to CO. These outstanding catalytic performances are further elucidated by DFT calculations.
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Affiliation(s)
- Jia-Wei Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
- Institute of New Energy Materials and Low Carbon Technology, School of Material Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Hai-Hua Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Jia-Kai Sun
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Ting Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Di-Chang Zhong
- Institute of New Energy Materials and Low Carbon Technology, School of Material Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Tong-Bu Lu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China
- Institute of New Energy Materials and Low Carbon Technology, School of Material Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
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49
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Elgrishi N, Chambers MB, Wang X, Fontecave M. Molecular polypyridine-based metal complexes as catalysts for the reduction of CO 2. Chem Soc Rev 2018; 46:761-796. [PMID: 28084485 DOI: 10.1039/c5cs00391a] [Citation(s) in RCA: 326] [Impact Index Per Article: 54.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Polypyridyl transition metal complexes represent one of the more thoroughly studied classes of molecular catalysts towards CO2 reduction to date. Initial reports in the 1980s began with an emphasis on 2nd and 3rd row late transition metals, but more recently the focus has shifted towards earlier metals and base metals. Polypyridyl platforms have proven quite versatile and amenable to studying various parameters that govern product distribution for CO2 reduction. However, open questions remain regarding the key mechanistic steps that govern product selectivity and efficiency. Polypyridyl complexes have also been immobilized through a variety of methods to afford active catalytic materials for CO2 reductions. While still an emerging field, materials incorporating molecular catalysts represent a promising strategy for electrochemical and photoelectrochemical devices capable of CO2 reduction. In general, this class of compounds remains the most promising for the continued development of molecular systems for CO2 reduction and an inspiration for the design of related non-polypyridyl catalysts.
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Affiliation(s)
- Noémie Elgrishi
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie, CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France.
| | - Matthew B Chambers
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie, CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France.
| | - Xia Wang
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie, CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France.
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, Collège de France, Université Pierre et Marie Curie, CNRS UMR 8229, 11 place Marcelin Berthelot, 75005 Paris, France.
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50
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Johnson BA, Bhunia A, Ott S. Electrocatalytic water oxidation by a molecular catalyst incorporated into a metal-organic framework thin film. Dalton Trans 2018; 46:1382-1388. [PMID: 27845800 DOI: 10.1039/c6dt03718f] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A molecular water oxidation catalyst, [Ru(tpy)(dcbpy)(OH2)](ClO4)2 (tpy = 2,2':6',2''-terpyridine, dcbpy = 2,2'-bipyridine-5,5'-dicarboxylic acid) [1], has been incorporated into FTO-grown thin films of UiO-67 (UiO = University of Oslo), by post-synthetic ligand exchange. Cyclic voltammograms (0.1 M borate buffer at pH = 8.4) of the resulting UiO67-[RuOH2]@FTO show a reversible wave associated with the RuIII/II couple in the anodic scan, followed by a large current response that arises from electrocatalytic water oxidation beyond 1.1 V vs. Ag/AgCl. Water oxidation can be observed at an applied potential of 1.5 V over the timescale of hours with a current density of 11.5 μA cm-2. Oxygen evolution was quantified in situ over the course of the experiment, and the Faradaic efficiency was calculated as 82%. Importantly, the molecular integrity of [1] during electrocatalytic water oxidation is maintained even on the timescale of hours under turnover conditions and applied voltage, as evidenced by the persistence of the wave associated with the RuIII/II couple in the CV. This experiment highlights the capability of metal organic frameworks like UiO-67 to stabilize the molecular structure of catalysts that are prone to form higher clusters in homogenous phase.
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Affiliation(s)
- Ben A Johnson
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
| | - Asamanjoy Bhunia
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
| | - Sascha Ott
- Department of Chemistry - Ångström Laboratory, Uppsala University, Box 523, 75120 Uppsala, Sweden.
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