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Luo L, Liu X, Zhao X, Zhang X, Peng HJ, Ye K, Jiang K, Jiang Q, Zeng J, Zheng T, Xia C. Pressure-induced generation of heterogeneous electrocatalytic metal hydride surfaces for sustainable hydrogen transfer. Nat Commun 2024; 15:7845. [PMID: 39245756 PMCID: PMC11381543 DOI: 10.1038/s41467-024-52228-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Accepted: 08/27/2024] [Indexed: 09/10/2024] Open
Abstract
Metal hydrides are crucial intermediates in numerous catalytic reactions. Intensive efforts have been dedicated to constructing molecular metal hydrides, where toxic precursors and delicate mediators are usually involved. Herein, we demonstrate a facile pressure-induced methodology to generate a cost-effective heterogeneous electrocatalytic metal hydride surface for sustainable hydrogen transfer. Taking carbon dioxide (CO2) electroreduction as a model system and zinc (Zn), a well-known carbon monoxide (CO)-selective catalyst, as a model catalyst, we showcase a homogeneous-type hydrogen atom transfer process induced by heterogeneous hydride surfaces, enabling direct hydrogenation pathways traditionally considered "prohibited". Specifically, the maximal Faradaic efficiency for formate is enhanced by ~fivefold to 83% under ambient conditions. Experimental and theoretical analyses reveal that unlike the distal hydrogenation route for CO2 to CO over pristine Zn, the Zn hydride surface enables direct hydrogenation at the carbon site of CO2 to form formate. This work provides a promising material platform for sustainable synthesis.
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Affiliation(s)
- Laihao Luo
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, 230026, Hefei, Anhui, P. R. China
| | - Xinyan Liu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
| | - Xinyu Zhao
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, 230026, Hefei, Anhui, P. R. China
| | - Xinyan Zhang
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, 230026, Hefei, Anhui, P. R. China
| | - Hong-Jie Peng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, 313001, Huzhou, Zhejiang, P. R. China
| | - Ke Ye
- Interdisciplinary Research Center, Institute of Fuel Cells, School of Mechanical Engineering, Shanghai Jiao Tong University, 200240, Shanghai, P. R. China
| | - Kun Jiang
- Interdisciplinary Research Center, Institute of Fuel Cells, School of Mechanical Engineering, Shanghai Jiao Tong University, 200240, Shanghai, P. R. China
| | - Qiu Jiang
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
| | - Jie Zeng
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, 230026, Hefei, Anhui, P. R. China
- School of Chemistry & Chemical Engineering, Anhui University of Technology, 243002, Ma'anshan, Anhui, P. R. China
| | - Tingting Zheng
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China
| | - Chuan Xia
- School of Materials and Energy, University of Electronic Science and Technology of China, 611731, Chengdu, P. R. China.
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, 313001, Huzhou, Zhejiang, P. R. China.
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Mehrgardi MA, Mofidfar M, Li J, Chamberlayne CF, Lynch SR, Zare RN. Catalyst-Free Transformation of Carbon Dioxide to Small Organic Compounds in Water Microdroplets Nebulized by Different Gases. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2406785. [PMID: 39129358 DOI: 10.1002/advs.202406785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Indexed: 08/13/2024]
Abstract
A straightforward nebulized spray system is designed to explore the hydrogenation of carbon dioxide (CO2) within water microdroplets surrounded by different gases such as carbon dioxide, nitrogen, oxygen, and compressed air. The collected droplets are analyzed using water-suppressed nuclear magnetic resonance (NMR). Formate anion (HCOO-), acetate anion (CH3COO-), ethylene glycol (HOCH2CH2OH), and methane (CH4) are detected when water is nebulized. This pattern persisted when the water is saturated with CO2, indicating that CO2 in the nebulizing gas triggers the formation of these small organics. In a pure CO2 atmosphere, the formate anion concentration is determined to be ≈70 µm, referenced to dimethyl sulfoxide, which has been introduced as an internal standard in the collected water droplets. This study highlights the power of water microdroplets to initiate unexpected chemistry for the transformation of CO2 to small organic compounds.
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Affiliation(s)
- Masoud A Mehrgardi
- Department of Chemistry, Stanford University, Stanford, California, 94305, USA
- Department of Chemistry, University of Isfahan, Isfahan, 81746, Iran
| | - Mohammad Mofidfar
- Department of Chemistry, Stanford University, Stanford, California, 94305, USA
| | - Jia Li
- College of Chemical Engineering, Shijiazhuang University, Shijiazhuang, 050037, China
| | | | - Stephen R Lynch
- Department of Chemistry, Stanford University, Stanford, California, 94305, USA
| | - Richard N Zare
- Department of Chemistry, Stanford University, Stanford, California, 94305, USA
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3
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Mollik P, Drees M, Frantz AM, Halter DP. Electrocatalytic Transfer Hydrogenation of 1-Octene with [( tBuPCP)Ir(H)(Cl)] and Water. Angew Chem Int Ed Engl 2024; 63:e202317844. [PMID: 38757787 DOI: 10.1002/anie.202317844] [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: 11/22/2023] [Revised: 05/06/2024] [Accepted: 05/14/2024] [Indexed: 05/18/2024]
Abstract
Electrocatalytic hydrogenation of 1-octene as non-activated model substrate with neutral water as H-donor is reported, using [(tBuPCP)Ir(H)(Cl)] (1) as the catalyst, to form octane with high faradaic efficiency (FE) of 96 % and a kobs of 87 s-1. Cyclic voltammetry with 1 revealed that two subsequent reductions trigger the elimination of Cl- and afford the highly reactive anionic Ir(I) hydride complex [(tBuPCP)Ir(H)]- (2), a previously merely proposed intermediate for which we now report first experimental data by mass spectrometry. In absence of alkene, the stoichiometric electrolysis of 1 in THF with water selectively affords the Ir(III) dihydride complex [(tBuPCP)Ir(H)2] (3) in 88 % FE from the reaction of 2 with H2O. Complex 3 then hydrogenates the alkene in classical fashion. The presented electro-hydrogenation works with extremely high FE, because the iridium hydrides are water stable, which prevents H2 formation. Even in strongly alkaline conditions (Bu4NOH added), the electro-hydrogenation of 1-octene with 1 also proceeds cleanly (89 % FE), suggesting a highly robust process that may rely on H2O activation, reminiscent to transfer hydrogenation pathways, instead of classical H+ reduction. DFT calculations confirmed oxidative addition of H2O as a key step in this context.
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Affiliation(s)
- Patrick Mollik
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry, Chair of Inorganic and Metal-Organic Chemistry, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Markus Drees
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry, Chair of Inorganic and Metal-Organic Chemistry, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Alexander M Frantz
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry, Chair of Inorganic and Metal-Organic Chemistry, Lichtenbergstr. 4, 85748, Garching, Germany
| | - Dominik P Halter
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry, Chair of Inorganic and Metal-Organic Chemistry, Lichtenbergstr. 4, 85748, Garching, Germany
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Tkachenko P, Topchiyan P, Berdyugin S, Tkachev S, Maximovskiy E, Sheven D, Vasilchenko D. (Me 4N) 2[Pt(CO 3) 2(OH) 2]: The Isolated Pt IVO 6 Carbonato-Complex. Inorg Chem 2024; 63:12042-12053. [PMID: 38946343 DOI: 10.1021/acs.inorgchem.4c00909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
The first fully inorganic Pt(IV) carbonato-complex trans-[Pt(CO3)2(OH)2]2- with a {PtO6} coordination sphere was isolated as the (Me4N)2[Pt(CO3)2(OH)2] (1) salt. The compound 1 was characterized using single-crystal and powder X-ray diffraction, Raman spectroscopy, infrared spectroscopy (FTIR), electrospray ionization mass spectrometry (ESI-MS), nuclear magnetic resonance spectroscopy (NMR), and thermogravimetric analysis (TG). Density functional theory (DFT) calculations were also performed to analyze the spectral features of the complex. 1 crystallizes in the triclinic system (P-1) with a Z of 1. The trans-[Pt(CO3)2(OH)2]2- anion has axial hydroxo ligands and κ2-CO3 ligands, which form an equatorial plane. This anionic complex exhibits notable stability in aqueous solutions, while the axial hydroxo ligand can be readily modified, as exemplified by the acylation of the trans-[Pt(CO3)2(OH)2]2- into trans-[Pt(CO3)2(OAc)2]2- anion. Furthermore, it has been shown that rigid and glittering platinum coatings can be electrochemically deposited from an aqueous solution of 1 without the addition of surfactants.
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Affiliation(s)
- Pavel Tkachenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Polina Topchiyan
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Semen Berdyugin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Sergey Tkachev
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Eugene Maximovskiy
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Dmitiy Sheven
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
| | - Danila Vasilchenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russia
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Intrator JA, Velazquez DA, Fan S, Mastrobattista E, Yu C, Marinescu SC. Electrocatalytic CO 2 reduction to formate by a cobalt phosphino-thiolate complex. Chem Sci 2024; 15:6385-6396. [PMID: 38699267 PMCID: PMC11062087 DOI: 10.1039/d3sc06805f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/09/2024] [Indexed: 05/05/2024] Open
Abstract
Electrochemical conversion of CO2 to value-added products serves as an attractive method to store renewable energy as energy-dense fuels. Selectivity in this type of conversion can be limited, often leading to the formation of side products such as H2. The activity of a cobalt phosphino-thiolate complex ([Co(triphos)(bdt)]+) towards the selective reduction of CO2 to formate is explored in this report. In the presence of H2O, selective production of formate (as high as 94%) is observed at overpotentials of 750 mV, displaying negligible current degradation during long-term electrolysis experiments ranging as long as 24 hours. Chemical reduction studies of [Co(triphos)(bdt)]+ indicates deligation of the apical phosphine moiety is likely before catalysis. Computational and experimental results suggest a metal-hydride pathway, indicating an ECEC based mechanism.
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Affiliation(s)
- Jeremy A Intrator
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - David A Velazquez
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Sicheng Fan
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Ellie Mastrobattista
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Christine Yu
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Smaranda C Marinescu
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
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6
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Tsipis AC, Sarantou AA. Photocatalytic conversion of CO 2 to CO by Ru(II) and Os(II) octahedral complexes: a DFT/TDDFT study. Dalton Trans 2024; 53:6791-6801. [PMID: 38535991 DOI: 10.1039/d4dt00125g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The reaction mechanisms of the photocatalytic reduction of CO2 to CO catalyzed by [(en)M(CO)3Cl] complexes (M = Ru, Os, en = ethylenediamine) in the presence of triethanolamine (TEOA), R3N (R = -CH2CH2OH), in DCM and DMF solvents, were studied by means of DFT/TDDFT electronic structure calculations. The geometric and free energy reaction profiles for two possible reaction pathways were calculated. Both reaction pathways studied, start with the 17e-, catalytically active intermediate, [(en)M(CO)3]˙+ generated from the first triplet excited state, T1 upon reductive quenching by TEOA which acts as a sacrificial electron donor. In the first possible pathway, TEOA- anion binds to the metal center of the catalytically active intermediate, [(en)M(CO)3]˙+ followed by CO2 insertion into the M-OCH2CH2NR2 bond. The latter upon successive protonations releases a metal 'free' [R2NCH2CH2OC(O)(OH)] intermediate which starts a new and final catalytic cycle, leading to the formation of CO and H2O while regenarating TEOA. In the second possible pathway, the 17e-, catalytically active intermediate, [(en)M(CO)3]˙+ captures CO2 molecule, forming an η1-CO2 complex. Upon 2H+/2e- successive protonations and reductions, CO product is obtained along with regenarating the catalytically active intermediate [(en)M(CO)3]˙+. The nature of the proton donor affects the reaction profiles of both mechanisms. The nature of the solvent does not affect significantly the reaction mechanisms under study. Finally, since photoexcitation and T1 reductive quenching are common to both pathways, we have srutinized the photophysical properties of the [(en)M(CO)3Cl] complexes along with their T1 excited states reduction potentials, . The [(en)M(CO)3Cl] complexes absorb mainly in the UV region while the absolute are in the range 6.4-0.9 eV.
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Affiliation(s)
- Athanassios C Tsipis
- Laboratory of Inorganic Chemistry, Department of Chemistry, University of Ioannina, 45110, Greece.
| | - Antonia A Sarantou
- Laboratory of Inorganic Chemistry, Department of Chemistry, University of Ioannina, 45110, Greece.
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7
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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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8
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Durin G, Romero RM, Godou T, Chauvier C, Thuéry P, Nicolas E, Cantat T. Formoxyboranes as hydroborane surrogates for the catalytic reduction of carbonyls through transfer hydroboration. Catal Sci Technol 2024; 14:1848-1853. [PMID: 38571548 PMCID: PMC10987016 DOI: 10.1039/d3cy01702h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 02/13/2024] [Indexed: 04/05/2024]
Abstract
A new class of Lewis base stabilized formoxyboranes demonstrates the feasibility of catalytic transfer hydroboration. In the presence of a ruthenium catalyst, they have shown broad applicability for reducing carbonyl compounds. Various borylated alcohols are obtained in high selectivity and yields up to 99%, tolerating several functional groups. Computational studies enabled to propose a mechanism for this transformation, revealing the role of the ruthenium catalyst and the absence of hydroborane intermediates.
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Affiliation(s)
- Gabriel Durin
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - R Martin Romero
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - Timothé Godou
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - Clément Chauvier
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - Pierre Thuéry
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - Emmanuel Nicolas
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
| | - Thibault Cantat
- NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex France
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9
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Khezeli F, Plaisance C. Computational Design of an Electro-Organocatalyst for Conversion of CO 2 into Formaldehyde. J Phys Chem A 2024; 128:1576-1592. [PMID: 38412517 PMCID: PMC10926098 DOI: 10.1021/acs.jpca.3c07806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/29/2024]
Abstract
Density functional theory calculations employing a hybrid implicit/explicit solvation method were used to explore a new strategy for electrochemical conversion of CO2 using an electro-organocatalyst. A particular structural motif is identified that consists of an electron-rich vicinal enediamine (>N-C═C-N<) backbone, which is capable of activating CO2 by the formation of a C-C bond while subsequently facilitating the transfer of electrons from a chemically inert cathode to ultimately produce formaldehyde. Unlike transition metal-based electrocatalysts, the electro-organocatalyst is not constrained by scaling relations between the formation energies of activated CO2 and adsorbed CO, nor is it expected to be active for the competing hydrogen evolution reaction. The rate-limiting steps are found to occur during two proton-coupled electron transfer (PCET) sequences and are associated with the transfer of a proton from a proton transfer mediator to a carbon atom on the electro-organocatalyst. The difficulty of this step in the second PCET sequence necessitates an electrode potential of -0.85 V vs RHE to achieve the maximum turnover frequency. In addition, it is postulated that the electro-organocatalyst should also be capable of forming long-chain aldehydes by successively carrying out reductive aldol condensation to grow the alkyl chain one carbon at a time.
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Affiliation(s)
- Foroogh Khezeli
- Cain Department
of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Craig Plaisance
- Cain Department
of Chemical
Engineering, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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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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11
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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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12
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Montgomery CL, Amtawong J, Jordan AM, Kurtz DA, Dempsey JL. Proton transfer kinetics of transition metal hydride complexes and implications for fuel-forming reactions. Chem Soc Rev 2023; 52:7137-7169. [PMID: 37750006 DOI: 10.1039/d3cs00355h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Proton transfer reactions involving transition metal hydride complexes are prevalent in a number of catalytic fuel-forming reactions, where the proton transfer kinetics to or from the metal center can have significant impacts on the efficiency, selectivity, and stability associated with the catalytic cycle. This review correlates the often slow proton transfer rate constants of transition metal hydride complexes to their electronic and structural descriptors and provides perspective on how to exploit these parameters to control proton transfer kinetics to and from the metal center. A toolbox of techniques for experimental determination of proton transfer rate constants is discussed, and case studies where proton transfer rate constant determination informs fuel-forming reactions are highlighted. Opportunities for extending proton transfer kinetic measurements to additional systems are presented, and the importance of synergizing the thermodynamics and kinetics of proton transfer involving transition metal hydride complexes is emphasized.
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Affiliation(s)
- Charlotte L Montgomery
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Jaruwan Amtawong
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Aldo M Jordan
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Daniel A Kurtz
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Jillian L Dempsey
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-3290, USA.
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13
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Parmar SV, Deshmukh P, Sankpal R, Watharkar S, Avasare V. Machine Learning-Enabled Predictions of Condensed Fukui Functions and Designing of Metal Pincer Complexes for Catalytic Hydrogenation of CO 2. J Phys Chem A 2023; 127:8338-8346. [PMID: 37756223 DOI: 10.1021/acs.jpca.3c04494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
This research showcases the machine learning (ML)-enabled homogeneous catalyst discovery to be employed in carbon dioxide hydrogenation. To achieve the desired turnover frequency (TOF), the electrophilicity of the central metal atom is a crucial factor in transition metal pincer complexes. The condensed Fukui function is a direct measure of the catalytic performance of these pincer complexes. Herein, we demonstrate that machine learning is a convenient and effiecient method to calculate condensed Fukui functions of the central metal atom. The electrophilicity values of 202 pincer complexes were calculated by using density functional theory (DFT) to train the ML model. The test data of the experimentally established pincer complexes show a direct linkage between calculated electrophilicity and experimental TOF. Further, this data was used to develop an ML protocol to screen 2,84,062 catalyst complexes to get the electrophilicity values of the Mn, Fe, Co, and Ni transition metals encompassing various permutation combinations of PNP, PNN, NNN, and PCP pincer ligands. These findings validate the efficacy of machine learning in the rapid screening of metal pincer catalysts based on condensed Fukui functions.
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Affiliation(s)
- Saurabh V Parmar
- Department of Chemistry, Ashoka University, Sonipat, Haryana 131029, India
| | - Pratham Deshmukh
- Department of Chemistry, Sir Parashurambhau College, Pune, Maharashtra 411030, India
| | - Rutuja Sankpal
- Department of Chemistry, Sir Parashurambhau College, Pune, Maharashtra 411030, India
| | - Siddhika Watharkar
- Department of Chemistry, Sir Parashurambhau College, Pune, Maharashtra 411030, India
| | - Vidya Avasare
- Department of Chemistry, Ashoka University, Sonipat, Haryana 131029, India
- Department of Chemistry, Sir Parashurambhau College, Pune, Maharashtra 411030, India
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14
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Kuttassery F, Ohsaki Y, Thomas A, Kamata R, Ebato Y, Kumagai H, Nakazato R, Sebastian A, Mathew S, Tachibana H, Ishitani O, Inoue H. A Molecular Z-Scheme Artificial Photosynthetic System Under the Bias-Free Condition for CO 2 Reduction Coupled with Two-electron Water Oxidation: Photocatalytic Production of CO/HCOOH and H 2 O 2. Angew Chem Int Ed Engl 2023; 62:e202308956. [PMID: 37493175 DOI: 10.1002/anie.202308956] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 07/27/2023]
Abstract
Bio-inspired molecular-engineered systems have been extensively investigated for the half-reactions of H2 O oxidation or CO2 reduction with sacrificial electron donors/acceptors. However, there has yet to be reported a device for dye-sensitized molecular photoanodes coupled with molecular photocathodes in an aqueous solution without the use of sacrificial reagents. Herein, we will report the integration of SnIV - or AlIII -tetrapyridylporphyrin (SnTPyP or AlTPyP) decorated tin oxide particles (SnTPyP/SnO2 or AlTPyP/SnO2 ) photoanode with the dye-sensitized molecular photocathode on nickel oxide particles containing [Ru(diimine)3 ]2+ as the light-harvesting unit and [Ru(diimine)(CO)2 Cl2 ] as the catalyst unit covalently connected and fixed within poly-pyrrole layer (RuCAT-RuC2 -PolyPyr-PRu/NiO). The simultaneous irradiation of the two photoelectrodes with visible light resulted in H2 O2 on the anode and CO, HCOOH, and H2 on the cathode with high Faradaic efficiencies in purely aqueous conditions without any applied bias is the first example of artificial photosynthesis with only two-electron redox reactions.
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Affiliation(s)
| | - Yutaka Ohsaki
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Arun Thomas
- Department of Chemistry, St. Stephen's College, Uzhavoor, Kerala, 686634, India
| | - Ryutaro Kamata
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1-NE-1 O-okayama, Meguro, Tokyo, 152-8550, Japan
| | - Yosuke Ebato
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1-NE-1 O-okayama, Meguro, Tokyo, 152-8550, Japan
| | - Hiromu Kumagai
- Research Center for Advanced Science and Technology, The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo, 153-8904, Japan
| | - Ryosuke Nakazato
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Abin Sebastian
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Siby Mathew
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Hiroshi Tachibana
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Osamu Ishitani
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1-NE-1 O-okayama, Meguro, 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
| | - Haruo Inoue
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
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15
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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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16
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Kinoshita Y, Deromachi N, Kajiwara T, Koizumi TA, Kitagawa S, Tamiaki H, Tanaka K. Photoinduced Catalytic Organic-Hydride Transfer to CO 2 Mediated with Ruthenium Complexes as NAD + /NADH Redox Couple Models. CHEMSUSCHEM 2023; 16:e202300032. [PMID: 36639358 DOI: 10.1002/cssc.202300032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/13/2023] [Indexed: 06/17/2023]
Abstract
The catalytic organic-hydride transfer to CO2 was first achieved through the photoinduced two-electron reduction of the [Ru(bpy)2 (pbn)]2+ /[Ru(bpy)2 (pbnHH)]2+ (bpy=2,2'-bipyridine, pbn=2-(pyridin-2-yl)benzo[b]-1,5-naphthyridine, and pbnHH=2-(pyridin-2-yl)-5,10-dihydrobenzo[b]-1,5-naphthyridine) redox couple in the presence of 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole (BIH). The active species for the catalytic hydride transfer to carbon dioxide giving formate is [Ru(bpy)(bpy⋅- )(pbnHH)]+ formed by one-electron reduction of [Ru(bpy)2 (pbnHH)]2+ with BI⋅.
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Affiliation(s)
- Yusuke Kinoshita
- Graduate School of Life Sciences, Ritsumeikan University, 525-8577, Kusatsu, Shiga, Japan
| | - Nagisa Deromachi
- Graduate School of Life Sciences, Ritsumeikan University, 525-8577, Kusatsu, Shiga, Japan
| | - Takashi Kajiwara
- Institute for Integrated Cell-Material Sciences, Kyoto University Institute for Advanced Study, Kyoto University, Sakyo-ku, 606-8501, Kyoto, Japan
| | - Take-Aki Koizumi
- Advanced Instrumental Analysis Center, Shizuoka Institute of Science and Technology, 437-8555, Fukuroi, Shizuoka, Japan
| | - Susumu Kitagawa
- Institute for Integrated Cell-Material Sciences, Kyoto University Institute for Advanced Study, Kyoto University, Sakyo-ku, 606-8501, Kyoto, Japan
| | - Hitoshi Tamiaki
- Graduate School of Life Sciences, Ritsumeikan University, 525-8577, Kusatsu, Shiga, Japan
| | - Koji Tanaka
- Graduate School of Life Sciences, Ritsumeikan University, 525-8577, Kusatsu, Shiga, Japan
- Institute for Integrated Cell-Material Sciences, Kyoto University Institute for Advanced Study, Kyoto University, Sakyo-ku, 606-8501, Kyoto, Japan
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17
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Larrea C, Avilés-Moreno JR, Ocón P. Strategies to Enhance CO 2 Electrochemical Reduction from Reactive Carbon Solutions. Molecules 2023; 28:molecules28041951. [PMID: 36838939 PMCID: PMC9960053 DOI: 10.3390/molecules28041951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/15/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
CO2 electrochemical reduction (CO2 ER) from (bi)carbonate feed presents an opportunity to efficiently couple this process to alkaline-based carbon capture systems. Likewise, while this method of reducing CO2 currently lags behind CO2 gas-fed electrolysers in certain performance metrics, it offers a significant improvement in CO2 utilization which makes the method worth exploring. This paper presents two simple modifications to a bicarbonate-fed CO2 ER system that enhance the selectivity towards CO. Specifically, a modified hydrophilic cathode with Ag catalyst loaded through electrodeposition and the addition of dodecyltrimethylammonium bromide (DTAB), a low-cost surfactant, to the catholyte enabled the system to achieve a FECO of 85% and 73% at 100 and 200 mA·cm-2, respectively. The modifications were tested in 4 h long experiments where DTAB helped maintain FECO stable even when the pH of the catholyte became more alkaline, and it improved the CO2 utilization compared to a system without DTAB.
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18
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Pattanayak S, Berben LA. Pre-Equilibrium Reaction Mechanism as a Strategy to Enhance Rate and Lower Overpotential in Electrocatalysis. J Am Chem Soc 2023; 145:3419-3426. [PMID: 36734988 PMCID: PMC9936576 DOI: 10.1021/jacs.2c10942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Indexed: 02/04/2023]
Abstract
Pre-equilibrium reaction kinetics enable the overall rate of a catalytic reaction to be orders of magnitude faster than the rate-determining step. Herein, we demonstrate how pre-equilibrium kinetics can be applied to breaking the linear free-energy relationship (LFER) for electrocatalysis, leading to rate enhancement 5 orders of magnitude and lowering of overpotential to approximately thermoneutral. This approach is applied to pre-equilibrium formation of a metal-hydride intermediate to achieve fast formate formation rates from CO2 reduction without loss of selectivity (i.e., H2 evolution). Fast pre-equilibrium metal-hydride formation, at 108 M-1 s-1, boosts the CO2 electroreduction to formate rate up to 296 s-1. Compared with molecular catalysts that have similar overpotential, this rate is enhanced by 5 orders of magnitude. As an alternative comparison, overpotential is lowered by ∼50 mV compared to catalysts with a similar rate. The principles elucidated here to obtain pre-equilibrium reaction kinetics via catalyst design are general. Design and development that builds on these principles should be possible in both molecular homogeneous and heterogeneous electrocatalysis.
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Affiliation(s)
- Santanu Pattanayak
- Department of Chemistry, University
of California, Davis, California, Davis, 95616, United States
| | - Louise A. Berben
- Department of Chemistry, University
of California, Davis, California, Davis, 95616, United States
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19
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Masood Z, Ge Q. Mechanism and Selectivity of Electrochemical Reduction of CO 2 on Metalloporphyrin Catalysts from DFT Studies. Molecules 2023; 28:molecules28010375. [PMID: 36615568 PMCID: PMC9823635 DOI: 10.3390/molecules28010375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/20/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
Electrochemical reduction of CO2 to value-added chemicals has been hindered by poor product selectivity and competition from hydrogen evolution reactions. This study aims to unravel the origin of the product selectivity and competitive hydrogen evolution reaction on [MP]0 catalysts (M = Fe, Co, Rh and Ir; P is porphyrin ligand) by analyzing the mechanism of CO2 reduction and H2 formation based on the results of density functional theory calculations. Reduction of CO2 to CO and HCOO- proceeds via the formation of carboxylate adduct ([MP-COOH]0 and ([MP-COOH]-) and metal-hydride [MP-H]-, respectively. Competing proton reduction to gaseous hydrogen shares the [MP-H]- intermediate. Our results show that the pKa of [MP-H]0 can be used as an indicator of the CO or HCOO-/H2 preference. Furthermore, an ergoneutral pH has been determined and used to determine the minimum pH at which selective CO2 reduction to HCOO- becomes favorable over the H2 production. These analyses allow us to understand the product selectivity of CO2 reduction on [FeP]0, [CoP]0, [RhP]0 and [IrP]0; [FeP]0 and [CoP]0 are selective for CO whereas [RhP]0 and [IrP]0 are selective for HCOO- while suppressing H2 formation. These descriptors should be applicable to other catalysts in an aqueous medium.
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20
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Kumar S, Yadav RK, Yeon Choi S, Singh P, Wu Kim T. An Efficient Polydopamine Modified Sulphur Doped GCN Photocatalyst for Generation of HCOOH from CO2 Under Sun Ray Irradiation. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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21
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CO2 Electroreduction on Carbon-Based Electrodes Functionalized with Molecular Organometallic Complexes—A Mini Review. Catalysts 2022. [DOI: 10.3390/catal12111448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Heterogeneous electrochemical CO2 reduction has potential advantages with respect to the homogeneous counterpart due to the easier recovery of products and catalysts, the relatively small amounts of catalyst necessary for efficient electrolysis, the longer lifetime of the catalysts, and the elimination of solubility problems. Unfortunately, several disadvantages are also present, including the difficulty of designing the optimized and best-performing catalysts by the appropriate choice of the ligands as well as a larger heterogeneity in the nature of the catalytic site that introduces differences in the mechanistic pathway and in electrogenerated products. The advantages of homogeneous and heterogeneous systems can be preserved by anchoring intact organometallic molecules on the electrode surface with the aim of increasing the dispersion of active components at a molecular level and facilitating the electron transfer to the electrocatalyst. Electrode functionalization can be obtained by non-covalent or covalent interactions and by direct electropolymerization on the electrode surface. A critical overview covering the very recent literature on CO2 electroreduction by intact organometallic complexes attached to the electrode is summarized herein, and particular attention is given to their catalytic performances. We hope this mini review can provide new insights into the development of more efficient CO2 electrocatalysts for real-life applications.
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22
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Linke A, Decker D, Drexler HJ, Beweries T. Iridium(III) bis(thiophosphinite) pincer complexes: synthesis, ligand activation and applications in catalysis. Dalton Trans 2022; 51:10266-10271. [PMID: 35748648 DOI: 10.1039/d2dt01633h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iridium(III) bis(thiophosphinite) complexes of the type [(RPSCSPR)Ir(H)(Cl)(py)] (RPSCSPR = κ3-(2,6-SPR2)C6H3) (R = tBu, iPr, Ph) can be prepared from the ligand precursors 1,3-(SPR2)C6H4 by C-H activation at Ir using [Ir(COE)2Cl]2 or [Ir(COD)Cl]2. Optimisation of the protocol for complexation showed that direct cyclometallation in the absence or presence of pyridine, as well as C-H activation in the presence of H2 are viable options that, depending on the phosphine substituent furnish the five-coordinate Ir(III) hydride chloride complexes 2-R or the base stabilised species 3-R in good yields. In case of the PhPSCSPPh ligand, P-S activation results in the formation of a thiophosphine stabilised Ir(III) hydride complex [(PhPSCSPPh)Ir(H)(Cl)(PPh2SH)] (4). Reaction of 2-tBu with H2 in the presence of base furnishes an Ir(III) dihydride complex (5) via a labile Ir(III) dihydride-dihydrogen complex (6). All complexes are inactive for transfer dehydrogenation of cyclooctane in the presence of NaOtBu and tert-butylethylene, likely due to decomposition of the Ir complex in the presence of base at higher temperature.
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Affiliation(s)
- Alexander Linke
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - David Decker
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - Hans-Joachim Drexler
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
| | - Torsten Beweries
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, 18059 Rostock, Germany.
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23
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Liang H, Beweries T, Francke R, Beller M. Molecular Catalysts for the Reductive Homocoupling of CO 2 towards C 2+ Compounds. Angew Chem Int Ed Engl 2022; 61:e202200723. [PMID: 35187799 PMCID: PMC9311439 DOI: 10.1002/anie.202200723] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Indexed: 11/06/2022]
Abstract
The conversion of CO2 into multicarbon (C2+ ) compounds by reductive homocoupling offers the possibility to transform renewable energy into chemical energy carriers and thereby create "carbon-neutral" fuels or other valuable products. Most available studies have employed heterogeneous metallic catalysts, but the use of molecular catalysts is still underexplored. However, several studies have already demonstrated the great potential of the molecular approach, namely, the possibility to gain a deep mechanistic understanding and a more precise control of the product selectivity. This Minireview summarizes recent progress in both the thermo- and electrochemical reductive homocoupling of CO2 toward C2+ products mediated by molecular catalysts. In addition, reductive CO homocoupling is discussed as a model for the further conversion of intermediates obtained from CO2 reduction, which may serve as a source of inspiration for developing novel molecular catalysts in the future.
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Affiliation(s)
- Hong‐Qing Liang
- Leibniz-Institute for CatalysisAlbert-Einstein-Strasse 29a18059RostockGermany
| | - Torsten Beweries
- Leibniz-Institute for CatalysisAlbert-Einstein-Strasse 29a18059RostockGermany
| | - Robert Francke
- Leibniz-Institute for CatalysisAlbert-Einstein-Strasse 29a18059RostockGermany
| | - Matthias Beller
- Leibniz-Institute for CatalysisAlbert-Einstein-Strasse 29a18059RostockGermany
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24
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Akhter SS, Padhi SK. Electro‐catalytic CO2 Reduction to Syngas and HCOOH by Homogeneous Fc‐NAP2. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sk Samim Akhter
- Indian Institute of Technology (Indian School of Mines): Indian Institute of Technology Chemistry and Chemical Biology INDIA
| | - Sumanta Kumar Padhi
- Indian Institute of Technology (Indian School of Mines), Dhanbad Department of Chemistry and Chemical Biology Science BlockDepartment of Chemistry and Chemical Biology 826004 Dhanbad INDIA
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25
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Liang H, Beweries T, Francke R, Beller M. Molecular Catalysts for the Reductive Homocoupling of CO
2
towards C
2+
Compounds. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hong‐Qing Liang
- Leibniz-Institute for Catalysis Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Torsten Beweries
- Leibniz-Institute for Catalysis Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Robert Francke
- Leibniz-Institute for Catalysis Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institute for Catalysis Albert-Einstein-Strasse 29a 18059 Rostock Germany
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26
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Kron K, Rodriguez-Katakura A, Elhessen R, Mallikarjun Sharada S. Photoredox Chemistry with Organic Catalysts: Role of Computational Methods. ACS OMEGA 2021; 6:33253-33264. [PMID: 34926877 PMCID: PMC8674904 DOI: 10.1021/acsomega.1c05787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/24/2021] [Indexed: 05/09/2023]
Abstract
Organic catalysts have the potential to carry out a wide range of otherwise thermally inaccessible reactions via photoredox routes. Early demonstrated successes of organic photoredox catalysts include one-electron CO2 reduction and H2 generation via water splitting. Photoredox systems are challenging to study and design owing to the sheer number and diversity of phenomena involved, including light absorption, emission, intersystem crossing, partial or complete charge transfer, and bond breaking or formation. Designing a viable photoredox route therefore requires consideration of a host of factors such as absorption wavelength, solvent, choice of electron donor or acceptor, and so on. Quantum chemistry methods can play a critical role in demystifying photoredox phenomena. Using one-electron CO2 reduction with phenylene-based chromophores as an illustrative example, this perspective highlights recent developments in quantum chemistry that can advance our understanding of photoredox processes and proposes a way forward for driving the design and discovery of organic catalysts.
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Affiliation(s)
- Kareesa
J. Kron
- Mork
Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Andres Rodriguez-Katakura
- Mork
Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Rachelle Elhessen
- Mork
Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
| | - Shaama Mallikarjun Sharada
- Mork
Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
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27
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Mayberry DD, Linehan JC, Appel AM. Designing Catalytic Systems Using Binary Solvent Mixtures: Impact of Mole Fraction of Water on Hydride Transfer. Inorg Chem 2021; 60:17132-17140. [PMID: 34723498 DOI: 10.1021/acs.inorgchem.1c02397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The free energy for hydride transfer reactions of transition metal hydrides is known to be influenced by solvent effects. The first-row transition metal hydride [HNi(dmpe)2][BF4] (dmpe = 1,2-bis(dimethylphosphino)ethane) has starkly different hydride transfer reactivities with CO2 in different solvents. A binary mixture of water and acetonitrile was used to tune the hydride transfer reactivity of HNi(dmpe)2+ with CO2 so that the free energy for this reaction approached zero. Various mole fractions of water were tested and a linear relationship between the hydride transfer free energy and solvent composition was established for 0-0.24 mole fraction of water. A deviation from linearity was found upon moving toward higher mole fractions of water. The tuning of the free energy for hydride transfer allowed HNi(dmpe)2+ to be used as a catalyst for the hydrogenation of CO2. The optimized catalyst conditions produced 58 turnovers at room temperature in 0.082 mole fraction of water using 60 atm of a 1:1 mixture of H2 to CO2 gas.
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Affiliation(s)
- Darrell D Mayberry
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John C Linehan
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Aaron M Appel
- Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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28
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Huang M, Gong S, Wang C, Yang Y, Jiang P, Wang P, Hu L, Chen Q. Lewis-Basic EDTA as a Highly Active Molecular Electrocatalyst for CO 2 Reduction to CH 4. Angew Chem Int Ed Engl 2021; 60:23002-23009. [PMID: 34427034 DOI: 10.1002/anie.202110594] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Indexed: 11/06/2022]
Abstract
The most active catalysts so far successful in hydrogenation reduction of CO2 are mainly heterogeneous Cu-based catalysts. The complex coordination environments and multiple active sites in heterogeneous catalysts result in low selectivity of target product, while molecular catalysts with well-defined active sites and tailorable structures allow mechanism-based performance optimization. Herein, we firstly report a single ethylenediaminetetraacetic acid (EDTA) molecular-level immobilized on the surface of carbon nanotube as a catalyst for transferring CO2 to CH4 with an excellent performance. This catalyst exhibits a high Faradaic efficiency of 61.6 % toward CH4 , a partial current density of -16.5 mA cm-2 at a potential of -1.3 V versus reversible hydrogen electrode. Density functional theory calculations reveal that the Lewis basic COO- groups in EDTA molecule are the active sites for CO2 reduction reaction (CO2 RR). The energy barrier for the generation of CO from *CO intermediate is as high as 0.52 eV, while the further protonation of *CO to *CHO follows an energetic downhill path (-1.57 eV), resulting in the high selectivity of CH4 . This work makes it possible to control the product selectivity for CO2 RR according to the relationship between the energy barrier of *CO intermediate and molecular structures in the future.
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Affiliation(s)
- Minxue Huang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Shipeng Gong
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Changlai Wang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China.,Department of Materials Science and Engineering, Center of Super-Diamond and Advanced Films, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yang Yang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Peng Jiang
- Department of Chemistry, Tsinghua University, Beijing, China
| | - Pengcheng Wang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Lin Hu
- Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Condition, High Magnetic Field Laboratory of Chinese, Academy of Science, Hefei, 230031, China
| | - Qianwang Chen
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei, 230026, China.,Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Condition, High Magnetic Field Laboratory of Chinese, Academy of Science, Hefei, 230031, China
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29
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Zhang P, Hu J, Shen Y, Yang X, Qu J, Du F, Sun W, Li CM. Photoenzymatic Catalytic Cascade System of a Pyromellitic Diimide/g-C 3N 4 Heterojunction to Efficiently Regenerate NADH for Highly Selective CO 2 Reduction toward Formic Acid. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46650-46658. [PMID: 34553901 DOI: 10.1021/acsami.1c13167] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photocatalytic reduction of carbon dioxide (CO2) holds great promise for both clean energy and environment protection. However, the low activity and poor selectivity of photocatalysts are the main bottlenecks. Herein, inspired by artificial photosynthesis and taking advantages of high efficiency and specificity of bioenzymes, we marry photo with enzyme to synergistically solve the above problems. A metal-free heterojunction of pyromellitic diimide/g-C3N4 (PDI/CN) with an excellent visible light response (λ < 660 nm) is fabricated for achieving a photoenzymatic catalytic cascade system, which efficiently regenerates nicotinamide adenine dinucleotide (NADH) and selectively reduces CO2 to formic acid (HCOOH). The highest NADH yield of the PDI/CN hybrid achieved is 75%, and the HCOOH generation rate achieved is 1.269 mmol g-1 h-1 with nearly 100% selectivity, which is much higher than those of the reported materials. The excellent photocatalytic performance is attributed to the unique photoenzymatic catalytic cascade system, heterointerface effect, good conductivity, and a wide sunlight response range of the PDI/CN heterojunction. This work provides an efficient strategy and a corresponding photocatalyst for the directional conversion of CO2 to HCOOH.
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Affiliation(s)
- Pengye Zhang
- Institute of Advanced Cross-Field Science, College of Life Science, Qingdao University, Qingdao 266071, China
| | - Jundie Hu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Yangbin Shen
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xiaogang Yang
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jiafu Qu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Feng Du
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Wei Sun
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Chang Ming Li
- Institute of Advanced Cross-Field Science, College of Life Science, Qingdao University, Qingdao 266071, China
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
- Institute of Clean Energy & Advanced Materials, Southwest University, Chongqing 400715, China
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30
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Yin J, Yin Z, Jin J, Sun M, Huang B, Lin H, Ma Z, Muzzio M, Shen M, Yu C, Zhang H, Peng Y, Xi P, Yan CH, Sun S. A New Hexagonal Cobalt Nanosheet Catalyst for Selective CO 2 Conversion to Ethanal. J Am Chem Soc 2021; 143:15335-15343. [PMID: 34519488 DOI: 10.1021/jacs.1c06877] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report a new form of catalyst based on ferromagnetic hexagonal-close-packed (hcp) Co nanosheets (NSs) for selective CO2RR to ethanal, CH3CHO. In all reduction potentials tested from -0.2 to -1.0 V (vs RHE) in 0.5 M KHCO3 solution, the reduction yields ethanal as a major product and ethanol/methanol as minor products. At -0.4 V, the Faradaic efficiency (FE) for ethanal reaches 60% with current densities of 5.1 mA cm-2 and mass activity of 3.4 A g-1 (total FE for ethanal/ethanol/methanol is 82%). Density functional theory (DFT) calculations suggest that this high CO2RR selectivity to ethanal on the hcp Co surface is attributed to the unique intralayer electron transfer, which not only promotes [OC-CO]* coupling but also suppresses the complete hydrogenation of the coupling intermediates to ethylene, leading to highly selective formation of CH3CHO.
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Affiliation(s)
- Jie Yin
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States.,State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Zhouyang Yin
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Jing Jin
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Mingzi Sun
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong, Hong Kong SAR, China
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong, Hong Kong SAR, China
| | - Honghong Lin
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Zhenhui Ma
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Michelle Muzzio
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Mengqi Shen
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Chao Yu
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Hong Zhang
- Key Laboratory of Magnetism and Magnetic Materials of Ministry of Education, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Yong Peng
- Key Laboratory of Magnetism and Magnetic Materials of Ministry of Education, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Pinxian Xi
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Chun-Hua Yan
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.,Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Shouheng Sun
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
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31
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Huang M, Gong S, Wang C, Yang Y, Jiang P, Wang P, Hu L, Chen Q. Lewis‐Basic EDTA as a Highly Active Molecular Electrocatalyst for CO
2
Reduction to CH
4. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110594] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Minxue Huang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
| | - Shipeng Gong
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
| | - Changlai Wang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
- Department of Materials Science and Engineering Center of Super-Diamond and Advanced Films City University of Hong Kong Kowloon, Hong Kong China
| | - Yang Yang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
| | - Peng Jiang
- Department of Chemistry Tsinghua University Beijing China
| | - Pengcheng Wang
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
| | - Lin Hu
- Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Condition High Magnetic Field Laboratory of Chinese Academy of Science Hefei 230031 China
| | - Qianwang Chen
- Hefei National Laboratory for Physical Science at Microscale and Department of Materials Science & Engineering University of Science and Technology of China Hefei 230026 China
- Anhui Province Key Laboratory of Condensed Matter Physics at Extreme Condition High Magnetic Field Laboratory of Chinese Academy of Science Hefei 230031 China
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32
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Amanullah S, Saha P, Dey A. Activating the Fe(I) State of Iron Porphyrinoid with Second-Sphere Proton Transfer Residues for Selective Reduction of CO 2 to HCOOH via Fe(III/II)-COOH Intermediate(s). J Am Chem Soc 2021; 143:13579-13592. [PMID: 34410125 DOI: 10.1021/jacs.1c04392] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The ability to tune the selectivity of CO2 reduction by first-row transition metal-based complexes via the inclusion of second-sphere effects heralds exciting and sought-after possibilities. On the basis of the mechanistic understanding of CO2 reduction by iron porphyrins developed by trapping and characterizing the intermediates involved ( J. Am. Chem. Soc. 2015, 137, 11214), a porphyrinoid ligand is envisaged to switch the selectivity of the iron porphyrins by reducing CO2 from CO to HCOOH as well as lower the overpotential to the process. The results show that the iron porphyrinoid designed can catalyze the reduction of CO2 to HCOOH using water as the proton source with 97% yield with no detectable H2 or CO. The iron porphyrinoid can activate CO2 in its Fe(I) state resulting in very low overpotential for CO2 reduction in contrast to all reported iron porphyrins, which can reduce CO2 in their Fe(0) state. Intermediates involved in CO2 reduction, Fe(III)-COOH and a Fe(II)-COOH, are identified with in situ FTIR-SEC and subsequently chemically generated and characterized using FTIR, resonance Raman, and Mössbauer spectroscopy. The mechanism of the reaction helps elucidate a key role played by a closely placed proton transfer residue in aiding CO2 binding to Fe(I), stabilizing the intermediates, and determining the fate of a rate-determining Fe(II)-COOH intermediate.
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Affiliation(s)
- Sk Amanullah
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja SC Mullick Road, Kolkata, West Bengal 700032, India
| | - Paramita Saha
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja SC Mullick Road, Kolkata, West Bengal 700032, India
| | - Abhishek Dey
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja SC Mullick Road, Kolkata, West Bengal 700032, India
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33
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Masood Z, Ge Q. Electrochemical reduction of CO 2 to CO and HCOO - using metal-cyclam complex catalysts: predicting selectivity and limiting potential from DFT. Dalton Trans 2021; 50:11446-11457. [PMID: 34346446 DOI: 10.1039/d1dt02159a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sustainable fuel production from CO2 through electrocatalytic reduction is promising but challenging due to high overpotential and poor product selectivity. Herein, we computed the reaction free energies of electrocatalytic reduction of CO2 to CO and HCOO- using the density functional theory method and screened transition metal(M)-cyclam(L) complexes as molecular catalysts for CO2 reduction. Our results showed that pKa of the proton adduct formed by the protonation of the reduced metal center can be used as a descriptor to select the operating pH of the solution to steer the reaction toward either the CO or hydride cycle. Among the complexes, [LNi]2+ and [LPd]2+ catalyze the reactions by following the CO cycle and are the CO selective catalysts in the pH ranges 1.81-7.31 and 6.10 and higher, respectively. Among the complexes that catalyze the reactions by following the hydride cycle, [LMo]2+ and [LW]3+ are HCOO- selective catalysts and have low limiting potentials of -1.33 V and -1.54 V, respectively. Other complexes, including [LRh]2+, [LIr]2+, [LW]2+, [LCo]2+, and [LTc]2+ catalyze the reactions resulting in either HCOO- from CO2 reduction or H2 from proton reduction; however, HCOO- formation is always thermodynamically more favorable. Notably, [LMo]2+, [LW]3+, [LW]2+ and [LCo]2+ have limiting potentials less negative than -1.6 V and are based on Earth-abundant elements, making them attractive for practical application.
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Affiliation(s)
- Zaheer Masood
- School of Chemical and Biomolecular Sciences, Southern Illinois University, Carbondale, IL 62901, USA.
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34
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Du X, Qi X, Li K, Li X, Sun H, Fuhr O, Fenske D. Synthesis and catalytic activity of N‐heterocyclic silylene (NHSi) iron (II) hydride for hydrosilylation of aldehydes and ketones. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xinyu Du
- School of Chemistry and Chemical Engineering Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University Jinan China
| | - Xinghao Qi
- School of Chemistry and Chemical Engineering Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University Jinan China
| | - Kai Li
- School of Chemistry and Chemical Engineering Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University Jinan China
| | - Xiaoyan Li
- School of Chemistry and Chemical Engineering Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University Jinan China
| | - Hongjian Sun
- School of Chemistry and Chemical Engineering Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University Jinan China
| | - Olaf Fuhr
- Institut für Nanotechnologie (INT) und Karlsruher Nano‐Micro‐Facility (KNMF) Karlsruher Institut für Technologie (KIT) Eggenstein‐Leopoldshafen Germany
| | - Dieter Fenske
- Institut für Nanotechnologie (INT) und Karlsruher Nano‐Micro‐Facility (KNMF) Karlsruher Institut für Technologie (KIT) Eggenstein‐Leopoldshafen Germany
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35
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Belkova NV, Filippov OA, Osipova ES, Safronov SV, Epstein LM, Shubina ES. Influence of phosphine (pincer) ligands on the transition metal hydrides reactivity. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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36
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Jiang Y, Zhang X, Xu D, Li W, Liu M, Qiu X. Efficient three-phase electrocatalytic CO 2 reduction to formate on superhydrophobic Bi-C interfaces. Chem Commun (Camb) 2021; 57:6011-6014. [PMID: 34028484 DOI: 10.1039/d1cc01974k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bi-C catalysts with the three-phase interfaces of CO2 (gas), electrolyte (liquid) and catalyst (solid) exhibit a remarkable electrocatalytic CO2 reduction (ECR) to formate selectivity (above 95% faradaic efficiency) with a high current (100 mA cm-2) in a broad potential range.
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Affiliation(s)
- Yifan Jiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China.
| | - Xiaodong Zhang
- School of Physics and Electronics, Central South University, Changsha 410083, Hunan, P. R. China
| | - Dafu Xu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China.
| | - Wenzhang Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China.
| | - Min Liu
- School of Physics and Electronics, Central South University, Changsha 410083, Hunan, P. R. China
| | - Xiaoqing Qiu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, P. R. China.
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37
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Zhang Z, Koide T, Zhou Z, Shimakoshi H, Hisaeda Y. Redox behavior of iridium octaethylporphycene and electrocatalytic hydrogen evolution. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s108842462150053x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The electrochemical properties of [Formula: see text]-octaethylporphycene iridium complex (Ir-OEPo) were determined. Based on the electro-spectro measurement results, the reduction of Ir-OEPo did not occur at the central metal but at the ligand, while the reduction of [Formula: see text]-octaethylporphyrin iridium complex (Ir-OEPor) occurred at the central iridium. A catalytic current was observed during the cyclic voltammetry (CV) measurements with trifluoroacetic acid (TFA) under a reductive condition, indicating the catalytic reactivity of Ir-OEPo for the hydrogen evolution reaction (HER). By constant potential electrolysis, hydrogen gas was detected by gas chromatography (GC) and the catalytic reactivity of Ir-OEPo was confirmed. The HER mechanism via ligand reduction of macrocyclic aromatic complexes could be one of the concepts for the development of new catalysts.
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Affiliation(s)
- Zhi Zhang
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Taro Koide
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Zihan Zhou
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hisashi Shimakoshi
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoshio Hisaeda
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
- Center for Molecular Systems (CMS), Kyushu University, Moto-oka 744, Nishi-ku, Fukuoka 819-0395, Japan
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38
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Hong DH, Ferreira RB, Catalano VJ, García-Serres R, Shearer J, Murray LJ. Access to Metal Centers and Fluxional Hydride Coordination Integral for CO 2 Insertion into [Fe 3(μ-H) 3] 3+ Clusters. Inorg Chem 2021; 60:7228-7239. [PMID: 33900076 DOI: 10.1021/acs.inorgchem.1c00244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
CO2 insertion into tri(μ-hydrido)triiron(II) clusters ligated by a tris(β-diketiminate) cyclophane is demonstrated to be balanced by sterics for CO2 approach and hydride accessibility. Time-resolved NMR and UV-vis spectra for this reaction for a complex in which methoxy groups border the pocket of the hydride donor (Fe3H3L2, 4) result in a decreased activation barrier and increased kinetic isotope effect consistent with the reduced sterics. For the ethyl congener Fe3H3L1 (2), no correlation is found between rate and reaction solvent or added Lewis acids, implying CO2 coordination to an Fe center in the mechanism. The estimated hydricity (50 kcal/mol) based on observed H/D exchange with BD3 requires Fe-O bond formation in the product to offset an endergonic CO2 insertion. μ3-hydride coordination is noted to lower the activation barrier for the first CO2 insertion event in DFT calculations.
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Affiliation(s)
- Dae Ho Hong
- Center for Catalysis and Florida Center for Heterocyclic Chemistry, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Ricardo B Ferreira
- Center for Catalysis and Florida Center for Heterocyclic Chemistry, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Vincent J Catalano
- Department of Chemistry, University of Nevada, Reno, Nevada 89557, United States
| | - Ricardo García-Serres
- Université Grenoble Alpes, CNRS, CEA, BIG, LCBM (UMR 5249), F-38054 Grenoble, France
| | - Jason Shearer
- Department of Chemistry, Trinity University, San Antonio, Texas 78212, United States
| | - Leslie J Murray
- Center for Catalysis and Florida Center for Heterocyclic Chemistry, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
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39
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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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40
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Johnson SI, Blakemore JD, Brunschwig BS, Lewis NS, Gray HB, Goddard WA, Persson P. Design of robust 2,2'-bipyridine ligand linkers for the stable immobilization of molecular catalysts on silicon(111) surfaces. Phys Chem Chem Phys 2021; 23:9921-9929. [PMID: 33908502 DOI: 10.1039/d1cp00545f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The attachment of the 2,2'-bipyridine (bpy) moieties to the surface of planar silicon(111) (photo)electrodes was investigated using ab initio simulations performed on a new cluster model for methyl-terminated silicon. Density functional theory (B3LYP) with implicit solvation techniques indicated that adventitious chlorine atoms, when present in the organic linker backbone, led to instability at very negative potentials of the surface-modified electrode. In prior experimental work, chlorine atoms were present as a trace surface impurity due to required surface processing chemistry, and thus could plausibly result in the observed surface instability of the linker. Free energy calculations for the Cl-atom release process with model silyl-linker constructs revealed a modest barrier (14.9 kcal mol-1) that decreased as the electrode potential became more negative. A small library of new bpy-derived structures has additionally been explored computationally to identify strategies that could minimize chlorine-induced linker instability. Structures with fluorine substituents are predicted to be more stable than their chlorine analogues, whereas fully non-halogenated structures are predicted to exhibit the highest stability. The behavior of a hydrogen-evolving molecular catalyst Cp*Rh(bpy) (Cp* = pentamethylcyclopentadienyl) immobilized on a silicon(111) cluster was explored theoretically to evaluate differences between the homogeneous and surface-attached behavior of this species in a tautomerization reaction observed under reductive conditions for catalytic H2 evolution. The calculated free energy difference between the tautomers is small, hence the results suggest that use of reductively stable linkers can enable robust attachment of catalysts while maintaining chemical behavior on the electrode similar to that exhibited in homogeneous solution.
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Affiliation(s)
- Samantha I Johnson
- Materials Research Center, California Institute of Technology, Pasadena, CA 91125, USA.
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41
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Nijamudheen A, Kanega R, Onishi N, Himeda Y, Fujita E, Ertem MZ. Distinct Mechanisms and Hydricities of Cp*Ir-Based CO 2 Hydrogenation Catalysts in Basic Water. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04772] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- A. Nijamudheen
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Ryoichi Kanega
- Research Institute of Energy Conservation, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8565, Japan
| | - Naoya Onishi
- Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8569, Japan
| | - Yuichiro Himeda
- Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8569, Japan
| | - Etsuko Fujita
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Mehmed Z. Ertem
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
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42
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Nemiwal M, Subbaramaiah V, Zhang TC, Kumar D. Recent advances in visible-light-driven carbon dioxide reduction by metal-organic frameworks. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:144101. [PMID: 33360464 DOI: 10.1016/j.scitotenv.2020.144101] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 11/21/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
Metal-organic frameworks (MOFs) have emerged as promising materials and have attracted researchers due to their unique chemical and physical properties-design flexibility, tuneable pore channels, a high surface-to-volume ratio that allow their distinct application in diverse research fields-gas storage, gas separation, catalysis, adsorption, drug delivery, ion exchange, sensing, etc. The rapidly growing CO2 in the atmosphere is a global concern due to the excessive use of fossil fuels in the current era. CO2 is the prime cause of global warming and should be ameliorated either through adsorption or conversion into value-added products to protect the environment and mankind. Nowadays, MOFs are exploited as a photocatalyst for applications of CO2 reduction. Since the use of semiconductors limits the use of visible light for photocatalytic reduction of CO2, MOFs are promising options. The current review describes recent development in the application of MOFs as host, composites, and their derivatives in photocatalytic reduction of CO2 to CO and different organic chemicals (HCOOH, CH3OH, CH4). Efficient charge separation and visible light absorption by incorporation of active sites for efficient photocatalysis have been discussed. The selection of material for high CO2 uptake and potential strategies for the rational design and development of high-performance catalysts are outlined. Major challenges and future perspectives have also been discussed at the last of the review.
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Affiliation(s)
- Meena Nemiwal
- Department of Chemistry, Malaviya National Institute of Technology, Jaipur 302017, India
| | - Verraboina Subbaramaiah
- Department of Chemical Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
| | - Tian C Zhang
- Department of Civil & Environmental Engineering, University of Nebraska-Lincoln, Peter Kiewit Institute, Omaha, NE 68182-0178, USA
| | - Dinesh Kumar
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar 382030, India.
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43
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Weerasooriya RB, Gesiorski JL, Alherz A, Ilic S, Hargenrader GN, Musgrave CB, Glusac KD. Kinetics of Hydride Transfer from Catalytic Metal-Free Hydride Donors to CO 2. J Phys Chem Lett 2021; 12:2306-2311. [PMID: 33651629 DOI: 10.1021/acs.jpclett.0c03662] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Selective reduction of CO2 to formate represents an ongoing challenge in photoelectrocatalysis. To provide mechanistic insights, we investigate the kinetics of hydride transfer (HT) from a series of metal-free hydride donors to CO2. The observed dependence of experimental and calculated HT barriers on the thermodynamic driving force was modeled by using the Marcus hydride transfer formalism to obtain the insights into the effect of reorganization energies on the reaction kinetics. Our results indicate that even if the most ideal hydride donor were discovered, the HT to CO2 would exhibit sluggish kinetics (<100 turnovers per second at -0.1 eV driving force), indicating that the conventional HT may not be an appropriate mechanism for solar conversion of CO2 to formate. We propose that the conventional HT mechanism should not be considered for CO2 reduction catalysis and argue that the orthogonal HT mechanism, previously proposed to address thermodynamic limitations of this reaction, may also lead to lower kinetic barriers for CO2 reduction to formate.
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Affiliation(s)
- Ravindra B Weerasooriya
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 Cass Ave., Lemont, Illinois 60439, United States
| | - Jonathan L Gesiorski
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 Cass Ave., Lemont, Illinois 60439, United States
| | - Abdulaziz Alherz
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Stefan Ilic
- Department of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
| | - George N Hargenrader
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 Cass Ave., Lemont, Illinois 60439, United States
| | - Charles B Musgrave
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Ksenija D Glusac
- Department of Chemistry, University of Illinois at Chicago, 845 W Taylor Street, Chicago, Illinois 60607, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 Cass Ave., Lemont, Illinois 60439, United States
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44
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Chaturvedi A, Williams CK, Devi N, Jiang JJ. Effects of Appended Poly(ethylene glycol) on Electrochemical CO 2 Reduction by an Iron Porphyrin Complex. Inorg Chem 2021; 60:3843-3850. [PMID: 33629857 DOI: 10.1021/acs.inorgchem.0c03612] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrochemical carbon dioxide (CO2) reduction is a sustainable approach for transforming atmospheric CO2 into chemical feedstocks and fuels. To overcome the kinetic barriers of electrocatalytic CO2 reduction, catalysts with high selectivity, activity, and stability are needed. Here, we report an iron porphyrin complex, FePEGP, with a poly(ethylene glycol) unit in the second coordination sphere, as a highly selective and active electrocatalyst for the electrochemical reduction of CO2 to carbon monoxide (CO). Controlled-potential electrolysis using FePEGP showed a Faradaic efficiency of 98% and a current density of -7.8 mA/cm2 at -2.2 V versus Fc/Fc+ in acetonitrile using water as the proton source. The maximum turnover frequency was calculated to be 1.4 × 105 s-1 using foot-of-the-wave analysis. Distinct from most other catalysts, the kinetic isotope effect (KIE) study revealed that the protonation step of the Fe-CO2 adduct is not involved in the rate-limiting step. This model shows that the PEG unit as the secondary coordination sphere enhances the catalytic kinetics and thus is an effective design for electrocatalytic CO2 reduction.
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Affiliation(s)
- Ashwin Chaturvedi
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati 45221, Ohio, United States
| | - Caroline K Williams
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati 45221, Ohio, United States
| | - Nilakshi Devi
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati 45221, Ohio, United States
| | - Jianbing Jimmy Jiang
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati 45221, Ohio, United States
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45
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Manamperi HD, Moore CE, Turro C. Dirhodium complexes as electrocatalysts for CO 2 reduction to HCOOH: role of steric hindrance on selectivity. Chem Commun (Camb) 2021; 57:1635-1638. [PMID: 33462571 DOI: 10.1039/d0cc07659g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A series of Rh2(ii,ii) complexes were shown to electrocatalytically reduce CO2 to HCOOH. Electrochemical and spectroelectrochemical studies reveal a correlation between catalytic selectivity and efficiency with the steric bulk at the axial sites afforded by the bridging ligands. Mechanistic studies point to the presence of a Rh2(ii,i)-H hydride as a key intermediate in the catalytic cycle.
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Affiliation(s)
- Hemanthi D Manamperi
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43214, USA.
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46
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Ghosh D, Kumar GR, Subramanian S, Tanaka K. More Than Just a Reagent: The Rise of Renewable Organohydrides for Catalytic Reduction of Carbon Dioxide. CHEMSUSCHEM 2021; 14:824-841. [PMID: 33369102 DOI: 10.1002/cssc.202002660] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/06/2020] [Indexed: 06/12/2023]
Abstract
Stoichiometric carbon dioxide reduction to highly reduced C1 molecules, such as formic acid (2e- ), formaldehyde (4e- ), methanol (6e- ) or even most-reduced methane (8e- ), has been successfully achieved by using organosilanes, organoboranes, and frustrated Lewis Pairs (FLPs) in the presence of suitable catalyst. The development of renewable organohydride compounds could be the best alternative in this regard as they have shown promise for the transfer of hydride directly to CO2 . Reduction of CO2 by two electrons and two protons to afford formic acid by using renewable organohydride molecules has recently been investigated by various groups. However, catalytic CO2 reduction to ≥2e- -reduced products by using renewable organohydride-based molecules has rarely been explored. This Minireview summarizes important findings in this regard, encompassing both stoichiometric and catalytic CO2 reduction.
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Affiliation(s)
- Debashis Ghosh
- Department of Chemistry, St. Joseph's College (Autonomous), Bangalore, 560027, Karnataka, India
| | - George Rajendra Kumar
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India
| | - Saravanan Subramanian
- Inorganic Materials and Catalysis Division, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364002, Gujarat, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Koji Tanaka
- Institute for Integrated Cell-Material Sciences (KUIAS/iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
- Department of Applied Chemistry, College of Life Science, Ritsumeikan University, 525-8577 Noji-higashi, 1-1-1, Kusatsu, Shiga, Japan
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47
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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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48
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Huang HH, Dai M, Liu L, Liu J, Zhao C, Vignesh A, Ke Z. Dual roles of the electronic effect on selectivity: pincer nickel-electrocatalyzed CO 2 reduction. Catal Sci Technol 2021. [DOI: 10.1039/d0cy01832e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The unconventional dual roles of the electronic effect on the selectivity are unfolded, i.e., (1) the electronic effect on redox originating from σ-donation and (2) the electronic effect on π-back-donation.
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Affiliation(s)
- Hai-Hua Huang
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Miao Dai
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Lianglin Liu
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Jiahao Liu
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Cunyuan Zhao
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Arumugam Vignesh
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
| | - Zhuofeng Ke
- School of Materials Science and Engineering
- PCFM Lab
- School of Chemistry
- Sun Yat-sen University
- Guangzhou
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49
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Amanullah S, Saha P, Nayek A, Ahmed ME, Dey A. Biochemical and artificial pathways for the reduction of carbon dioxide, nitrite and the competing proton reduction: effect of 2nd sphere interactions in catalysis. Chem Soc Rev 2021; 50:3755-3823. [DOI: 10.1039/d0cs01405b] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Reduction of oxides and oxoanions of carbon and nitrogen are of great contemporary importance as they are crucial for a sustainable environment.
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Affiliation(s)
- Sk Amanullah
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata
- India
| | - Paramita Saha
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata
- India
| | - Abhijit Nayek
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata
- India
| | - Md Estak Ahmed
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata
- India
| | - Abhishek Dey
- School of Chemical Sciences
- Indian Association for the Cultivation of Science
- Kolkata
- India
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50
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Gitnes RM, Wang M, Bao Y, Scheuermann ML. In Situ Generation of Catalytically Relevant Nanoparticles from a Molecular Pincer Iridium Precatalyst during Polyol Deoxygenation. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rachael M. Gitnes
- Department of Chemistry, Western Washington University, 516 High Street—MS-9150, Bellingham, Washington 98225, United States
| | - Maggie Wang
- Department of Chemistry, Western Washington University, 516 High Street—MS-9150, Bellingham, Washington 98225, United States
| | - Ying Bao
- Department of Chemistry, Western Washington University, 516 High Street—MS-9150, Bellingham, Washington 98225, United States
| | - Margaret L. Scheuermann
- Department of Chemistry, Western Washington University, 516 High Street—MS-9150, Bellingham, Washington 98225, United States
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