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Deng Y, Dwaraknath S, Ouyang WO, Matsumoto CJ, Ouchida S, Lu Y. Engineering an Oxygen-Binding Protein for Photocatalytic CO 2 Reductions in Water. Angew Chem Int Ed Engl 2023; 62:e202215719. [PMID: 36916067 PMCID: PMC10946749 DOI: 10.1002/anie.202215719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/10/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023]
Abstract
While native CO2 -reducing enzymes display remarkable catalytic efficiency and product selectivity, few artificial biocatalysts have been engineered to allow understanding how the native enzymes work. To address this issue, we report cobalt porphyrin substituted myoglobin (CoMb) as a homogeneous catalyst for photo-driven CO2 to CO conversion in water. The activity and product selectivity were optimized by varying pH and concentrations of the enzyme and the photosensitizer. Up to 2000 TON(CO) was attained at low enzyme concentrations with low product selectivity (15 %), while a product selectivity of 74 % was reached by increasing the enzyme loading but with a compromised TON(CO). The efficiency of CO generation and overall TON(CO) were further improved by introducing positively charged residues (Lys or Arg) near the active stie of CoMb, which demonstrates the value of tuning the enzyme secondary coordination sphere to enhance the CO2 -reducing performance of a protein-based photocatalytic system.
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Affiliation(s)
- Yunling Deng
- Department of ChemistryUniversity of Texas at AustinAustinTX 78712USA
| | - Sudharsan Dwaraknath
- Department of ChemistryUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA
| | - Wenhao O. Ouyang
- Department of ChemistryUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA
| | - Cory J. Matsumoto
- Department of ChemistryUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA
| | - Stephanie Ouchida
- Department of ChemistryUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA
| | - Yi Lu
- Department of ChemistryUniversity of Texas at AustinAustinTX 78712USA
- Department of ChemistryUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA
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2
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Maley SM, Lief GR, Buck RM, Sydora OL, Yang Q, Bischof SM, Ess DH. Density functional theory and CCSD(T) evaluation of ionization potentials, redox potentials, and bond energies related to zirconocene polymerization catalysts. J Comput Chem 2023; 44:506-515. [PMID: 35662063 DOI: 10.1002/jcc.26890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 03/28/2022] [Accepted: 04/22/2022] [Indexed: 01/07/2023]
Abstract
Quantum-mechanical-based computational design of molecular catalysts requires accurate and fast electronic structure calculations to determine and predict properties of transition-metal complexes. For Zr-based molecular complexes related to polyethylene catalysis, previous evaluation of density functional theory (DFT) and wavefunction methods only examined oxides and halides or select reaction barrier heights. In this work, we evaluate the performance of DFT against experimental redox potentials and bond dissociation enthalpies (BDEs) for zirconocene complexes directly relevant to ethylene polymerization catalysis. We also examined the ability of DFT to compute the fourth atomic ionization potential of zirconium and the effect the basis set selection has on the ionization potential computed with CCSD(T). Generally, the atomic ionization potential and redox potentials are very well reproduced by DFT, but we discovered relatively large deviations of DFT-calculated BDEs compared to experiment. However, evaluation of BDEs with CCSD(T) suggests that experimental values should be revisited, and our CCSD(T) values should be taken as most accurate.
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Affiliation(s)
- Steven M Maley
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA
| | - Graham R Lief
- Research and Technology, Chevron Phillips Chemical Company, Bartlesville, Oklahoma, USA
| | - Richard M Buck
- Research and Technology, Chevron Phillips Chemical Company, Bartlesville, Oklahoma, USA
| | - Orson L Sydora
- Research and Technology, Chevron Phillips Chemical Company, Kingwood, Texas, USA
| | - Qing Yang
- Research and Technology, Chevron Phillips Chemical Company, Bartlesville, Oklahoma, USA
| | - Steven M Bischof
- Research and Technology, Chevron Phillips Chemical Company, Kingwood, Texas, USA
| | - Daniel H Ess
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA
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3
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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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Bajada MA, Sanjosé-Orduna J, Di Liberto G, Tosoni S, Pacchioni G, Noël T, Vilé G. Interfacing single-atom catalysis with continuous-flow organic electrosynthesis. Chem Soc Rev 2022; 51:3898-3925. [PMID: 35481480 DOI: 10.1039/d2cs00100d] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The global warming crisis has sparked a series of environmentally cautious trends in chemistry, allowing us to rethink the way we conduct our synthesis, and to incorporate more earth-abundant materials in our catalyst design. "Single-atom catalysis" has recently appeared on the catalytic spectrum, and has truly merged the benefits that homogeneous and heterogeneous analogues have to offer. Further still, the possibility to activate these catalysts by means of a suitable electric potential could pave the way for a true integration of diverse synthetic methodologies and renewable electricity. Despite their esteemed benefits, single-atom electrocatalysts are still limited to the energy sector (hydrogen evolution reaction, oxygen reduction, etc.) and numerous examples in the literature still invoke the use of precious metals (Pd, Pt, Ir, etc.). Additionally, batch electroreactors are employed, which limit the intensification of such processes. It is of paramount importance that the field continues to grow in a more sustainable direction, seeking new ventures into the space of organic electrosynthesis and flow electroreactor technologies. In this piece, we discuss some of the progress being made with earth abundant homogeneous and heterogeneous electrocatalysts and flow electrochemistry, within the context of organic electrosynthesis, and highlight the prospects of alternatively utilizing single-atom catalysts for such applications.
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Affiliation(s)
- Mark A Bajada
- Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy.
| | - Jesús Sanjosé-Orduna
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Giovanni Di Liberto
- Department of Materials Science, Università di Milano Bicocca, via R. Cozzi 55, 20125 Milano, Italy
| | - Sergio Tosoni
- Department of Materials Science, Università di Milano Bicocca, via R. Cozzi 55, 20125 Milano, Italy
| | - Gianfranco Pacchioni
- Department of Materials Science, Università di Milano Bicocca, via R. Cozzi 55, 20125 Milano, Italy
| | - Timothy Noël
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Gianvito Vilé
- Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy.
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Kaur P. Study of geometric, electronic structures and vibrations of 4, 4′, 4′′, 4′′′-(porphine-5,10,15,20 tetrayl) tetrakis (benzene sulfonic acid) compound by computational and experimental techniques. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s1088424621500413] [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 optimized geometry and vibrational frequencies of a substituted compound of tetraphenylporphine namely 4, 4[Formula: see text], 4[Formula: see text], 4[Formula: see text]-(porphine-5,10,15,20 tetrayl) tetrakis (benzene sulfonic acid) have been investigated using density functional theory. The vibrational spectra of tetraphenylporphine and its substituted complex were simulated to study the substitution effects of sulfonic acid group at the peripheral sites of tetraphenylporphine. Experimentally, vibrational properties of these molecules have been studied using infrared absorption spectroscopic technique. The vibrational frequencies obtained from the theoretical studies generally agree with the experimental values. For substituted molecules, due to a change in charge distribution, ring vibrations accompanied by the S–O motions also appear at the higher wavenumbers. In the lower region, C–H bending vibrations diminish and SO3 group vibrations arise. The electronic absorption spectra of the substituted tetraphenylporphine in different solvents have been studied using UV-vis spectroscopy. In addition to dipole-dipole and electrostatic interactions, hydrogen bonding plays a key role in molecular-solvent interactions. The energy gap between the highest occupied and lowest unoccupied molecular orbitals and natural bonding orbital analysis show the intermolecular charge transfer interactions. The molecular electrostatic potential and solvent accessible surface area analysis were made in order to study the interaction sites of the molecules. The current-voltage characteristics for the substituted molecule were also plotted. It was found that substituted tetraphenylporphine show good photoconductivity.
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Affiliation(s)
- Prabhjot Kaur
- Department of Physics, Panjab University, Chandigarh-160014, Chandigarh, India
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Márquez I, Olloqui-Sariego JL, Molero M, Andreu R, Roldán E, Calvente JJ. Active Role of the Buffer in the Proton-Coupled Electron Transfer of Immobilized Iron Porphyrins. Inorg Chem 2021; 60:42-54. [PMID: 32568550 DOI: 10.1021/acs.inorgchem.0c01091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Evaluation of the proton-coupled electron transfer thermodynamics of immobilized hemin is challenging due to the disparity of its electrochemical titration curves reported in the literature. Deviations from the one-electron, one-proton transfer at circumneutral pHs have been commonly ascribed to either the formation of dimeric species or the ionization of a second iron-bound water molecule. Herein, however, we report on non-idealities in the more acidic region, whose onset and extent vary with the nature and concentration of the commonly used phosphate and acetate buffers. It is shown that these deviations originate in the ligand-exchange binding between the oxidized aquo-hemin complex and the anionic components of the buffer, so that they are restricted to the pH interval where these forms coexist. A stepwise approach was developed to quantify unambiguously the apparent and intrinsic binding equilibrium constants. The apparent binding equilibrium constant exhibits a peak-shaped pH dependence, whose maximum is located at approximately the midpoint between the pKa of the iron-bound water and the first pKa of the buffer, and its magnitude is greater for the phosphate than for the acetate buffer. But strikingly, the opposite trend was found for the magnitude of the intrinsic binding equilibrium constants determined from the apparent ones, due to the different relative locations of the phosphoric and acetic pKa values with respect to that of the oxidized aquo-hemin. To probe the role of the heme propionic residues, a similar study was carried out with a propionic-free iron porphyrin containing eight ethyl residues. These substituents decrease the acidity of the iron-bound water, strengthen the iron(III)-acetate binding, weaken the iron(III)-dihydrogen phosphate binding, and enable the binding between iron(III) and monohydrogen phosphate, which was hampered in hemin by the presence of the negatively charged propionate residues. Overall, this work provides a more complete speciation of immobilized iron porphyrins under acidic conditions than previously considered, showing the substitutional lability of the aqua ligand in the oxidized state of the iron center and the reluctance of its hydroxyl counterpart to anion exchange. Knowledge of these redox- and pH-dependent bindings with the buffer components is crucial for a rigorous quantification of the proton-coupled electron transfer and the electrocatalytic activity of iron porphyrins.
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Affiliation(s)
- Inmaculada Márquez
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
| | - José Luis Olloqui-Sariego
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
| | - Miguel Molero
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
| | - Rafael Andreu
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
| | - Emilio Roldán
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
| | - Juan José Calvente
- Departamento de Quı́mica Fı́sica, Universidad de Sevilla, C/Profesor Garcı́a Conzález, 1, 41012 Sevilla, Spain
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8
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Bochlin Y, Ben-Eliyahu Y, Kadosh Y, Kozuch S, Zilbermann I, Korin E, Bettelheim A. DFT and Empirical Considerations on Electrocatalytic Water/Carbon Dioxide Reduction by CoTMPyP in Neutral Aqueous Solutions*. Chemphyschem 2020; 21:2644-2650. [PMID: 33142035 DOI: 10.1002/cphc.202000715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/03/2020] [Indexed: 11/09/2022]
Abstract
A combined experimental and density functional theory (DFT) investigation was employed in order to examine the mechanism of electrochemical CO2 reduction and H2 formation from water reduction in neutral aqueous solutions. A water soluble cobalt porphyrin, cobalt [5,10,15,20-(tetra-N-methyl-4-pyridyl)porphyrin], (CoTMPyP), was used as catalyst. The possible attachment of different axial ligands as well as their effect on the electrocatalytic cycles were examined. A cobalt porphyrin hydride is a key intermediate which is generated after the initial reduction of the catalyst. The hydride is involved in the formation of H2 and formate and acts as an indirect proton source for the formation of CO in these H+ -starving conditions. The experimental results are in agreement with the computations and give new insights into electrocatalytic mechanisms involving water soluble metalloporphyrins. We conclude that in addition to the porphyrin's structure and metal ion center, the electrolyte surroundings play a key role in dictating the products of CO2 /H2 O reduction.
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Affiliation(s)
- Yair Bochlin
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | | | - Yanir Kadosh
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | - Sebastian Kozuch
- Chemistry Department, Ben-Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Israel Zilbermann
- Chemistry Department, Nuclear Research Centre- Negev, 84190 Beer, Sheva, Israel.,Chemistry Department, Ben-Gurion University of the Negev, Beer Sheva, 84105, Israel
| | - Eli Korin
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
| | - Armand Bettelheim
- Chemical Engineering Department, Ben-Gurion University of the Negev Beer Sheva, Beer Scheva, 84105, Israel
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de Souza JR, de Moraes MMF, Aoto YA, Homem-de-Mello P. Can one use the electronic absorption spectra of metalloporphyrins to benchmark electronic structure methods? A case study on the cobalt porphyrin. Phys Chem Chem Phys 2020; 22:23886-23898. [PMID: 33073830 DOI: 10.1039/d0cp04699j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this article, we describe calculations on the absorption spectrum of cobalt(ii) porphyrin, using density functional (DFT) and multireference n-electron valence perturbation (NEVPT) theories. With these calculations, we describe the lowest-energy states of doublet and quartet spin multiplicities, the excited states that originate the Q and B bands of porphyrins, some higher-energy π-π* excitations and charge-transfer states, HOMO-LUMO gaps, and ionisation potentials. Results undoubtedly show that the position of B band is essentially independent on the DFT functional, while the Q band is better described by pure functionals, and these bands do not depend on the initial state of the transition (whether doublet or quartet) as well. However, other excitation energies, orbital energies, and ionisation potentials strongly depend on the functional, in some cases varying more than 2 eV. Based on these results we conclude that one should not use the UV-Vis spectrum of metalloporphyrins to benchmark density functionals, mainly those properties related to coordination with the metallic ion. Furthermore, the results show that functionals that yield correct spectra may be based on an incorrect ground state description. Moreover, we reinforce that one must be skeptical about the reference chosen to benchmark electronic structure calculations, such as DFT functionals and active spaces for multireference calculations.
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Affiliation(s)
- Jhonathan Rosa de Souza
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Santo André, SP 09210-580, Brazil.
| | - Matheus Morato F de Moraes
- Centro de Matemática, Computação e Cognição (CMCC), Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Santo André, SP 09210-580, Brazil.
| | - Yuri Alexandre Aoto
- Centro de Matemática, Computação e Cognição (CMCC), Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Santo André, SP 09210-580, Brazil.
| | - Paula Homem-de-Mello
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC (UFABC), Av. dos Estados, 5001, Santo André, SP 09210-580, Brazil.
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Wang J, Huang X, Xi S, Xu H, Wang X. Axial Modification of Cobalt Complexes on Heterogeneous Surface with Enhanced Electron Transfer for Carbon Dioxide Reduction. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008759] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jiong Wang
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Xiang Huang
- Department of Physics Southern University of Science and Technology Shenzhen 518055 China
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences Agency for Science, Technology and Research (A*STAR) Singapore 627833 Singapore
| | - Hu Xu
- Department of Physics Southern University of Science and Technology Shenzhen 518055 China
| | - Xin Wang
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
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11
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Wang J, Huang X, Xi S, Xu H, Wang X. Axial Modification of Cobalt Complexes on Heterogeneous Surface with Enhanced Electron Transfer for Carbon Dioxide Reduction. Angew Chem Int Ed Engl 2020; 59:19162-19167. [DOI: 10.1002/anie.202008759] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Indexed: 12/31/2022]
Affiliation(s)
- Jiong Wang
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Xiang Huang
- Department of Physics Southern University of Science and Technology Shenzhen 518055 China
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences Agency for Science, Technology and Research (A*STAR) Singapore 627833 Singapore
| | - Hu Xu
- Department of Physics Southern University of Science and Technology Shenzhen 518055 China
| | - Xin Wang
- School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
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12
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Zhou Y, Gao G, Chu W, Wang LW. Computational screening of transition metal-doped phthalocyanine monolayers for oxygen evolution and reduction. NANOSCALE ADVANCES 2020; 2:710-716. [PMID: 36133246 PMCID: PMC9419810 DOI: 10.1039/c9na00648f] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 11/29/2019] [Indexed: 05/13/2023]
Abstract
Rationally designing efficient, low-cost and stable catalysts toward the oxygen evolution reaction (OER) and the oxygen reduction reaction (ORR) is of significant importance to the development of renewable energy technologies. In this work, we have systematically investigated a series of potentially efficient and stable single late transition metal atom doped phthalocyanines (TM@Pcs, TM = Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Ir and Pt) as single-atom catalysts (SACs) for applications toward the OER and ORR through a computational screening approach. Our calculations indicate that TM atoms can tightly bind with Pc monolayers with high diffusion energy barriers to prevent the isolated atoms from clustering. The interaction strength between intermediates and TM@Pc governs the catalytic activities for the OER and ORR. Among all the considered TM@Pc catalysts, Ir@Pc and Rh@Pc were found to be efficient OER electrocatalysts with overpotentials η OER of 0.41 and 0.44 V, respectively, and for the ORR, Rh@Pc exhibits the lowest overpotential η ORR of 0.44 V followed by Ir@Pc (0.55 V), suggesting that Rh@Pc is an efficient bifunctional catalyst for both the OER and ORR. Moreover, it is worth noting that the Rh@Pc catalyst can remain stable against dissolution under the pH = 0 condition. Ab initio molecular dynamic calculations suggest that Rh@Pc could remain stable at 300 K. Our findings highlight a novel family of two-dimensional (2D) materials as efficient and stable SACs and offer a new strategy for catalyst design.
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Affiliation(s)
- Yanan Zhou
- School of Chemical Engineering, Sichuan University Chengdu 610065 Sichuan China
- Materials Science Division, Lawrence Berkeley National Laboratory Berkeley 94720 California USA
| | - Guoping Gao
- Materials Science Division, Lawrence Berkeley National Laboratory Berkeley 94720 California USA
| | - Wei Chu
- School of Chemical Engineering, Sichuan University Chengdu 610065 Sichuan China
| | - Lin-Wang Wang
- Materials Science Division, Lawrence Berkeley National Laboratory Berkeley 94720 California USA
- Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory Berkeley 94720 California USA
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13
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Kim MJ, Kang YK. Predicting Potential Inversion Behavior of Ru–aqua Complexes via Using Cost Effective DFT Calculations. B KOREAN CHEM SOC 2019. [DOI: 10.1002/bkcs.11878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Moon Ju Kim
- Department of ChemistrySangmyung University Seoul 03016 Korea
| | - Youn K. Kang
- Department of ChemistrySangmyung University Seoul 03016 Korea
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14
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Guo Y, Shi W, Yang H, He Q, Zeng Z, Ye JY, He X, Huang R, Wang C, Lin W. Cooperative Stabilization of the [Pyridinium-CO 2-Co] Adduct on a Metal-Organic Layer Enhances Electrocatalytic CO 2 Reduction. J Am Chem Soc 2019; 141:17875-17883. [PMID: 31603671 DOI: 10.1021/jacs.9b09227] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Pyridinium has been shown to be a cocatalyst for the electrochemical reduction of CO2 on metal and semiconductor electrodes, but its exact role has been difficult to elucidate. In this work, we create cooperative cobalt-protoporphyrin (CoPP) and pyridine/pyridinium (py/pyH+) catalytic sites on metal-organic layers (MOLs) for an electrocatalytic CO2 reduction reaction (CO2RR). Constructed from [Hf6(μ3-O)4(μ3-OH)4(HCO2)6] secondary building units (SBUs) and terpyridine-based tricarboxylate ligands, the MOL was postsynthetically functionalized with CoPP via carboxylate exchange with formate capping groups. The CoPP group and the pyridinium (pyH+) moiety on the MOL coactivate CO2 by forming the [pyH+--O2C-CoPP] adduct, which enhances the CO2RR and suppresses hydrogen evolution to afford a high CO/H2 selectivity of 11.8. Cooperative stabilization of the [pyH+--O2C-CoPP] intermediate led to a catalytic current density of 1314 mA/mgCo for CO production at -0.86 VRHE, which corresponds to a turnover frequency of 0.4 s-1.
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Affiliation(s)
- Ying Guo
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Wenjie Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Huijuan Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Quanfeng He
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Zhongming Zeng
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Jin-Yu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Xinru He
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Ruiyun Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Cheng Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iCHEM, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , P.R. China
| | - Wenbin Lin
- Department of Chemistry , The University of Chicago , 929 East 57th Street , Chicago , Illinois 60637 , United States
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15
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Wang J, Huang X, Xi S, Lee JM, Wang C, Du Y, Wang X. Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO 2 Reduction. Angew Chem Int Ed Engl 2019; 58:13532-13539. [PMID: 31317633 DOI: 10.1002/anie.201906475] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Indexed: 11/06/2022]
Abstract
Immobilization of planar CoII -2,3-naphthalocyanine (NapCo) complexes onto doped graphene resulted in a heterogeneous molecular Co electrocatalyst that was active and selective to reduce CO2 into CO in aqueous solution. A systematic study revealed that graphitic sulfoxide and carboxyl dopants of graphene were the efficient binding sites for the immobilization of NapCo through axial coordination and resulted in active Co sites for CO2 reduction. Compared to carboxyl dopants, the sulfoxide dopants further improved the electron communication between NapCo and graphene, which led to the increase of turnover frequency of the Co sites by about 3 times for CO production with a Faradic efficiency up to 97 %. Pristine NapCo in the absence of a graphene support did not display efficient electron communication with the electrode and thus failed to serve as the electrochemical active site for CO2 reduction under the identical conditions.
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Affiliation(s)
- Jiong Wang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Xiang Huang
- Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shibo Xi
- Institute of Chemical and Engineering Sciences, Agency for Science, Technology and Research (A*STAR), Singapore, 627833, Singapore
| | - Jong-Min Lee
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Cheng Wang
- Institute for New Energy Materials & Low-Carbon Technologies, Tianjin University of Technology, Tianjin, 300384, P. R. China
| | - Yonghua Du
- Institute of Chemical and Engineering Sciences, Agency for Science, Technology and Research (A*STAR), Singapore, 627833, Singapore.,Present address: National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Xin Wang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
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16
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Wang J, Huang X, Xi S, Lee J, Wang C, Du Y, Wang X. Linkage Effect in the Heterogenization of Cobalt Complexes by Doped Graphene for Electrocatalytic CO
2
Reduction. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906475] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jiong Wang
- School of Chemical and Biomedical EngineeringNanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Xiang Huang
- Department of PhysicsSouthern University of Science and Technology Shenzhen 518055 China
| | - Shibo Xi
- Institute of Chemical and Engineering SciencesAgency for Science, Technology and Research (A*STAR) Singapore 627833 Singapore
| | - Jong‐Min Lee
- School of Chemical and Biomedical EngineeringNanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
| | - Cheng Wang
- Institute for New Energy Materials & Low-Carbon TechnologiesTianjin University of Technology Tianjin 300384 P. R. China
| | - Yonghua Du
- Institute of Chemical and Engineering SciencesAgency for Science, Technology and Research (A*STAR) Singapore 627833 Singapore
- Present address: National Synchrotron Light Source IIBrookhaven National Laboratory Upton NY 11973 USA
| | - Xin Wang
- School of Chemical and Biomedical EngineeringNanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
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17
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Garin AB, Rakarić D, Andrić EK, Kosanović MM, Balić T, Perdih F. Synthesis of monosubstituted dipicolinic acid hydrazide derivative and structural characterization of novel Co(III) and Cr(III) complexes. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.03.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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18
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Dalle K, Warnan J, Leung JJ, Reuillard B, Karmel IS, Reisner E. Electro- and Solar-Driven Fuel Synthesis with First Row Transition Metal Complexes. Chem Rev 2019; 119:2752-2875. [PMID: 30767519 PMCID: PMC6396143 DOI: 10.1021/acs.chemrev.8b00392] [Citation(s) in RCA: 440] [Impact Index Per Article: 88.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Indexed: 12/31/2022]
Abstract
The synthesis of renewable fuels from abundant water or the greenhouse gas CO2 is a major step toward creating sustainable and scalable energy storage technologies. In the last few decades, much attention has focused on the development of nonprecious metal-based catalysts and, in more recent years, their integration in solid-state support materials and devices that operate in water. This review surveys the literature on 3d metal-based molecular catalysts and focuses on their immobilization on heterogeneous solid-state supports for electro-, photo-, and photoelectrocatalytic synthesis of fuels in aqueous media. The first sections highlight benchmark homogeneous systems using proton and CO2 reducing 3d transition metal catalysts as well as commonly employed methods for catalyst immobilization, including a discussion of supporting materials and anchoring groups. The subsequent sections elaborate on productive associations between molecular catalysts and a wide range of substrates based on carbon, quantum dots, metal oxide surfaces, and semiconductors. The molecule-material hybrid systems are organized as "dark" cathodes, colloidal photocatalysts, and photocathodes, and their figures of merit are discussed alongside system stability and catalyst integrity. The final section extends the scope of this review to prospects and challenges in targeting catalysis beyond "classical" H2 evolution and CO2 reduction to C1 products, by summarizing cases for higher-value products from N2 reduction, C x>1 products from CO2 utilization, and other reductive organic transformations.
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Affiliation(s)
| | | | - Jane J. Leung
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Bertrand Reuillard
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Isabell S. Karmel
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Erwin Reisner
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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19
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Rathnayake AS, Fraser HWL, Brechin EK, Dalgarno SJ, Baumeister JE, White J, Rungthanaphatsophon P, Walensky JR, Kelley SP, Barnes CL, Atwood JL. Site-Specific Metal Chelation Facilitates the Unveiling of Hidden Coordination Sites in an FeII/FeIII-Seamed Pyrogallol[4]arene Nanocapsule. J Am Chem Soc 2018; 140:15611-15615. [DOI: 10.1021/jacs.8b10186] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Asanka S. Rathnayake
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Hector W. L. Fraser
- EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
| | - Euan K. Brechin
- EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
| | - Scott J. Dalgarno
- Institute of Chemical Sciences, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, United Kingdom
| | - Jakob E. Baumeister
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Joshua White
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Pokpong Rungthanaphatsophon
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Justin R. Walensky
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Steven P. Kelley
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Charles L. Barnes
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
| | - Jerry L. Atwood
- Department of Chemistry, University of Missouri, 601, S. College Avenue, Columbia, Missouri 65211, United States
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20
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Jeong HY, Balamurugan M, Choutipalli VSK, Jo J, Baik H, Subramanian V, Kim M, Sim U, Nam KT. Tris(2-benzimidazolylmethyl)amine-Directed Synthesis of Single-Atom Nickel Catalysts for Electrochemical CO Production from CO 2. Chemistry 2018; 24:18444-18454. [PMID: 30133021 DOI: 10.1002/chem.201803615] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 08/16/2018] [Indexed: 12/14/2022]
Abstract
The electrochemical reduction of carbon dioxide (CO2 ) to value-added products is a promising approach to reducing excess CO2 in the atmosphere. However, the development of electrocatalysts for highly selective and efficient electrochemical CO2 reduction has been challenging because protons are usually easier to reduce than CO2 in an aqueous electrolyte. Recently, single-atom catalysts (SACs) have been suggested as candidate CO2 reduction catalysts due to their unique catalytic properties. To prepare single-atom metal active sites, the stabilization of metal atoms over conductive supports such as graphene sheets to prevent metal aggregation is crucial. To address this issue, a facile method was developed to prepare single-atom nickel active sites on reduced graphene oxide (RGO) sheets for the selective production of carbon monoxide (CO) from CO2 . The tris(2-benzimidazolylmethyl)amine (NTB) ligand was introduced as a linker that can homogeneously disperse nickel atoms on the graphene oxide (GO) sheets. Because the NTB ligands form strong interactions with the GO sheets by π-π interactions and with nickel ions by ligation, they can effectively stabilize nickel ions on GO sheets by forming Ni(NTB)-GO complexes. High-temperature annealing of Ni(NTB)-GO under inert atmosphere produces nickel- and nitrogen-doped reduced graphene oxide sheets (Ni-N-RGO) with single-atom Ni-N4 active sites. Ni-N-RGO shows high CO2 reduction selectivity in the reduction of CO2 to CO with 97 % faradaic efficiency at -0.8 V vs. RHE (reversible hydrogen electrode).
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Affiliation(s)
- Hui-Yun Jeong
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Mani Balamurugan
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Venkata Surya Kumar Choutipalli
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-CLRI Campus, Chennai, 600020, India
| | - Janghyun Jo
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hionsuck Baik
- Seoul Center of Analytical Research, Korea Basic Science Institute, Anam-ro 145, Seongbuk-gu, Seoul, 136713, Republic of Korea
| | - Venkatesan Subramanian
- Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-CLRI Campus, Chennai, 600020, India
| | - Miyoung Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Uk Sim
- Department of Materials Science and Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea.,Research Institute of Advanced Materials, Seoul, 08826, Republic of Korea
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21
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Meguerdichian AG, Shirazi-Amin A, Moharreri E, Achola LA, Murphy SC, Macharia J, Zhong W, Jafari T, Suib SL. Synthesis of Large Mesoporous-Macroporous and High Pore Volume, Mixed Crystallographic Phase Manganese Oxide, Mn 2O 3/Mn 3O 4 Sponge. Inorg Chem 2018; 57:6946-6956. [PMID: 29808686 DOI: 10.1021/acs.inorgchem.8b00613] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The controlled synthesis of mixed crystallographic phase Mn2O3/Mn3O4 sponge material by varying heating rates and isothermal segments provides valuable information about the morphological and physical properties of the obtained sample. The well-characterized Mn2O3/Mn3O4 sponge and applicability of difference in reactivity of H2 and CO2 desorbed during the synthesis provide new developments in the synthesis of metal oxide materials with unique morphological and surface properties. We report the preparation of a Mn2O3/Mn3O4 sponge using a metal nitrate salt, water, and Dextran, a biopolymer consisting of glucose monomers. The Mn2O3/Mn3O4 sponge prepared at 1 °C·min-1 heating rate to 500 °C and held isothermally for 1 h consisted of large mesopores-macropores (25.5 nm, pore diameter) and a pore volume of 0.413 mL/g. Furthermore, the prepared Mn2O3/Mn3O4 and 5 mol %-Fe-Mn2O3/Mn3O4 sponges provide potential avenues in the development of solid-state catalyst materials for alcohol and amine oxidation reactions.
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Affiliation(s)
- Andrew G Meguerdichian
- Institute of Materials Science , University of Connecticut , U-3136, 97 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Alireza Shirazi-Amin
- Department of Chemistry , University of Connecticut , U-3060, 55 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Ehsan Moharreri
- Institute of Materials Science , University of Connecticut , U-3136, 97 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Laura A Achola
- Department of Chemistry , University of Connecticut , U-3060, 55 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Steven C Murphy
- Department of Chemistry , University of Connecticut , U-3060, 55 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - John Macharia
- Department of Chemistry , University of Connecticut , U-3060, 55 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Wei Zhong
- Institute of Materials Science , University of Connecticut , U-3136, 97 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Tahereh Jafari
- Institute of Materials Science , University of Connecticut , U-3136, 97 N. Eagleville Road , Storrs , Connecticut 06269 , United States
| | - Steven L Suib
- Institute of Materials Science , University of Connecticut , U-3136, 97 N. Eagleville Road , Storrs , Connecticut 06269 , United States.,Department of Chemistry , University of Connecticut , U-3060, 55 N. Eagleville Road , Storrs , Connecticut 06269 , United States.,Department of Chemical & Biomolecular Engineering , University of Connecticut , U-3222, 191 Auditorium Road , Storrs , Connecticut 06269 , United States
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22
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Birdja YY, Vos RE, Wezendonk TA, Jiang L, Kapteijn F, Koper MTM. Effects of Substrate and Polymer Encapsulation on CO 2 Electroreduction by Immobilized Indium(III) Protoporphyrin. ACS Catal 2018; 8:4420-4428. [PMID: 29755830 PMCID: PMC5939902 DOI: 10.1021/acscatal.7b03386] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 03/27/2018] [Indexed: 11/29/2022]
Abstract
Heterogenization of molecular catalysts for CO2 electroreduction has attracted significant research activity, due to the combined advantages of homogeneous and heterogeneous catalysts. In this work, we demonstrate the strong influence of the nature of the substrate on the selectivity and reactivity of electrocatalytic CO2 reduction, as well as on the stability of the studied immobilized indium(III) protoporphyrin IX, for electrosynthesis of formic acid. Additionally, we investigate strategies to improve the CO2 reduction by tuning the chemical functionality of the substrate surface by means of electrochemical and plasma treatment and by catalyst encapsulation in polymer membranes. We point out several underlying factors that affect the performance of electrocatalytic CO2 reduction. The insights gained here allow one to optimize heterogenized molecular systems for enhanced CO2 electroreduction without modification of the catalyst itself.
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Affiliation(s)
- Yuvraj Y. Birdja
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Rafaël E. Vos
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Tim A. Wezendonk
- Catalysis Engineering, Chemical Engineering Department, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Lin Jiang
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Freek Kapteijn
- Catalysis Engineering, Chemical Engineering Department, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Marc T. M. Koper
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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23
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Samajdar RN, Manogaran D, Yashonath S, Bhattacharyya AJ. Using porphyrin–amino acid pairs to model the electrochemistry of heme proteins: experimental and theoretical investigations. Phys Chem Chem Phys 2018; 20:10018-10029. [DOI: 10.1039/c8cp00605a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Deconstructing the complex electrochemistry of heme proteins into simpler heme–amino acid interactions.
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Affiliation(s)
- Rudra N. Samajdar
- Solid State and Structural Chemistry Unit
- Indian Institute of Science
- Bangalore 560012
- India
| | - Dhivya Manogaran
- Solid State and Structural Chemistry Unit
- Indian Institute of Science
- Bangalore 560012
- India
| | - S. Yashonath
- Solid State and Structural Chemistry Unit
- Indian Institute of Science
- Bangalore 560012
- India
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24
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Birdja YY, Shen J, Koper MT. Influence of the metal center of metalloprotoporphyrins on the electrocatalytic CO2 reduction to formic acid. Catal Today 2017. [DOI: 10.1016/j.cattod.2017.02.046] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Pander JE, Fogg A, Bocarsly AB. Utilization of Electropolymerized Films of Cobalt Porphyrin for the Reduction of Carbon Dioxide in Aqueous Media. ChemCatChem 2016. [DOI: 10.1002/cctc.201600875] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- James E. Pander
- Department of Chemistry; Princeton University; Princeton New Jersey 08544 United States
| | - Alex Fogg
- Department of Chemistry; Princeton University; Princeton New Jersey 08544 United States
| | - Andrew B. Bocarsly
- Department of Chemistry; Princeton University; Princeton New Jersey 08544 United States
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26
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Electrocatalytic reduction of carbon dioxide to carbon monoxide and methane at an immobilized cobalt protoporphyrin. Nat Commun 2015; 6:8177. [PMID: 26324108 PMCID: PMC4569799 DOI: 10.1038/ncomms9177] [Citation(s) in RCA: 274] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 07/27/2015] [Indexed: 12/25/2022] Open
Abstract
The electrochemical conversion of carbon dioxide and water into useful products is a major challenge in facilitating a closed carbon cycle. Here we report a cobalt protoporphyrin immobilized on a pyrolytic graphite electrode that reduces carbon dioxide in an aqueous acidic solution at relatively low overpotential (0.5 V), with an efficiency and selectivity comparable to the best porphyrin-based electrocatalyst in the literature. While carbon monoxide is the main reduction product, we also observe methane as by-product. The results of our detailed pH-dependent studies are explained consistently by a mechanism in which carbon dioxide is activated by the cobalt protoporphyrin through the stabilization of a radical intermediate, which acts as Brønsted base. The basic character of this intermediate explains how the carbon dioxide reduction circumvents a concerted proton–electron transfer mechanism, in contrast to hydrogen evolution. Our results and their mechanistic interpretations suggest strategies for designing improved catalysts. The conversion of carbon dioxide to useful products is a major challenge in energy research. Here, the authors report a cobalt protoporphyrin immobilized on graphite that is capable of the selective and efficient electrochemical reduction of carbon dioxide, primarily to carbon monoxide, in acidic media.
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27
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Shen J, Birdja YY, Koper MTM. Electrocatalytic Nitrate Reduction by a Cobalt Protoporphyrin Immobilized on a Pyrolytic Graphite Electrode. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:8495-8501. [PMID: 26154347 DOI: 10.1021/acs.langmuir.5b00977] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A series of simple molecular catalysts, i.e., Co(III), Fe(II), Ni(II), Cu(II), and Rh(II) protoporphyrins (metal-PP), directly adsorbed on pyrolytic graphite have been utilized for catalyzing the electrochemical reduction of nitrate. These catalysts are studied by combining cyclic voltammetry with online electrochemical mass spectrometry (OLEMS) to monitor volatile products and online ion chromatography (IC) to detect ionic products in the aqueous electrolyte solution. Among all investigated porphyrins, the Co-based protoporphyrin shows the highest selectivity toward hydroxylamine (NH2OH), which made it the catalyst of primary interest in the article. The reactivity and selectivity of the immobilized Co-protoporphyrin depend significantly on pH, with more acidic conditions leading to higher reactivity and higher selectivity toward hydroxylamine over ammonia. Potential controlled electrolysis results show that the potential also greatly influences the selectivity: at pH 1, hydroxylamine is the main product around -0.5 V with approximately 100% selectivity, while hydroxylamine and ammonia are both formed at a more negative potential, -0.75 V. The mechanism of the reaction is discussed, invoking of the possibility of two pathways for hydroxylamine/ammonia formation: a sequential pathway in which hydroxylamine is produced as an intermediate, with ammonia subsequently formed through the reduction of NH2OH/NH3OH(+), and a parallel pathway in which the formation of hydroxylamine and ammonia is derived from a common intermediate.
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Affiliation(s)
- Jing Shen
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Yuvraj Y Birdja
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Marc T M Koper
- Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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28
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Marenich AV, Ho J, Coote ML, Cramer CJ, Truhlar DG. Computational electrochemistry: prediction of liquid-phase reduction potentials. Phys Chem Chem Phys 2014; 16:15068-106. [PMID: 24958074 DOI: 10.1039/c4cp01572j] [Citation(s) in RCA: 314] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This article reviews recent developments and applications in the area of computational electrochemistry. Our focus is on predicting the reduction potentials of electron transfer and other electrochemical reactions and half-reactions in both aqueous and nonaqueous solutions. Topics covered include various computational protocols that combine quantum mechanical electronic structure methods (such as density functional theory) with implicit-solvent models, explicit-solvent protocols that employ Monte Carlo or molecular dynamics simulations (for example, Car-Parrinello molecular dynamics using the grand canonical ensemble formalism), and the Marcus theory of electronic charge transfer. We also review computational approaches based on empirical relationships between molecular and electronic structure and electron transfer reactivity. The scope of the implicit-solvent protocols is emphasized, and the present status of the theory and future directions are outlined.
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Affiliation(s)
- Aleksandr V Marenich
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455-0431, USA.
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29
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Hoepfner D, Helliwell SB, Sadlish H, Schuierer S, Filipuzzi I, Brachat S, Bhullar B, Plikat U, Abraham Y, Altorfer M, Aust T, Baeriswyl L, Cerino R, Chang L, Estoppey D, Eichenberger J, Frederiksen M, Hartmann N, Hohendahl A, Knapp B, Krastel P, Melin N, Nigsch F, Oakeley EJ, Petitjean V, Petersen F, Riedl R, Schmitt EK, Staedtler F, Studer C, Tallarico JA, Wetzel S, Fishman MC, Porter JA, Movva NR. High-resolution chemical dissection of a model eukaryote reveals targets, pathways and gene functions. Microbiol Res 2014; 169:107-20. [DOI: 10.1016/j.micres.2013.11.004] [Citation(s) in RCA: 120] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 11/25/2013] [Accepted: 11/25/2013] [Indexed: 01/03/2023]
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30
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Vitale R, Lista L, Lau-Truong S, Tucker RT, Brett MJ, Limoges B, Pavone V, Lombardi A, Balland V. Spectroelectrochemistry of FeIII- and CoIII-mimochrome VI artificial enzymes immobilized on mesoporous ITO electrodes. Chem Commun (Camb) 2014; 50:1894-6. [DOI: 10.1039/c3cc48489k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
UV-visible absorption spectroelectrochemistry elucidated the different redox behaviours of FeIII- and CoIII-mimochrome VI artificial enzymes, adsorbed on mesoporous conductive films of ITO.
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Affiliation(s)
- R. Vitale
- Department of Chemical Sciences
- Complesso Universitario Monte S. Angelo, University of Naples “Federico II”
- 80126 Naples, Italy
| | - L. Lista
- Department of Chemical Sciences
- Complesso Universitario Monte S. Angelo, University of Naples “Federico II”
- 80126 Naples, Italy
| | - S. Lau-Truong
- ITODYS
- UMR CNRS 7086
- Université Paris Diderot
- Sorbonne Paris Cité
- 75205 Paris Cedex 13, France
| | - R. T. Tucker
- Electrical and Computer Engineering
- University of Alberta
- Edmonton, Canada T6G 2V4
| | - M. J. Brett
- Electrical and Computer Engineering
- University of Alberta
- Edmonton, Canada T6G 2V4
- NRC National Institute for Nanotechnology
- Edmonton, Canada T6G 2M9
| | - B. Limoges
- Laboratoire d'Electrochimie Moléculaire
- Université Paris Diderot
- UMR CNRS 7591
- 75205 Paris Cedex 13, France
| | - V. Pavone
- Department of Chemical Sciences
- Complesso Universitario Monte S. Angelo, University of Naples “Federico II”
- 80126 Naples, Italy
| | - A. Lombardi
- Department of Chemical Sciences
- Complesso Universitario Monte S. Angelo, University of Naples “Federico II”
- 80126 Naples, Italy
| | - V. Balland
- Laboratoire d'Electrochimie Moléculaire
- Université Paris Diderot
- UMR CNRS 7591
- 75205 Paris Cedex 13, France
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31
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Kim H, Park J, Lee YS. A protocol to evaluate one electron redox potential for iron complexes. J Comput Chem 2013; 34:2233-41. [DOI: 10.1002/jcc.23380] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Revised: 06/22/2013] [Accepted: 06/25/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Hyungjun Kim
- Department of Chemistry; KAIST; Daejeon; 305-701; Korea
| | - Joungwon Park
- Battery Group, Energy Lab, Samsung Advanced Institute of Technology; Samsung Electronics; Giheung-gu; Yongin-si; Gyeonggi-do; 446-712; Korea
| | - Yoon Sup Lee
- Department of Chemistry; KAIST; Daejeon; 305-701; Korea
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Zhu C, Liang J, Wang B, Zhu J, Cao Z. Significant effect of spin flip on the oxygen atom transfer reaction from (oxo)manganese(V) corroles to thioanisole: insights from density functional calculations. Phys Chem Chem Phys 2013; 14:12800-6. [PMID: 22874974 DOI: 10.1039/c2cp41647f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The electronic and structural features of (oxo)manganese(V) corroles and their catalyzed oxygen atom transfers to thioanisole in different spin states have been investigated by the B3LYP functional calculations. Calculations show that these corrole-based oxidants and their complexes with thioanisole generally have the singlet ground state, and their triplet forms are also accessible in consideration of the spin-orbit coupling interaction. Due to strong d-π conjugation interactions between Mn and the corrole ring arising from the π electron donation of the corrole moiety, the five-coordinated Mn approximately has the stable 18-electron configuration. The predicted free energy barriers for the singlet oxygen atom transfer reactions are generally larger than 22 kcal mol(-1), while the spin flip in reaction may remarkably increase the reactivity. In particular, the bromination on β-pyrrole carbon atoms of the meso-substituted (oxo)manganese(V) corrole strikingly enhances the spin-orbit coupling interaction and results in the dramatic increase of reactivity. The multiple spin changes are predicted to be involved in the low-energy reaction pathway. The present results show good agreement with the experimental observation and provide a detailed picture for the oxygen atom transfer reaction induced by the (oxo)manganese(V) corroles.
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Affiliation(s)
- Chun Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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Hughes TF, Friesner RA. Development of Accurate DFT Methods for Computing Redox Potentials of Transition Metal Complexes: Results for Model Complexes and Application to Cytochrome P450. J Chem Theory Comput 2012; 8:442-59. [DOI: 10.1021/ct2006693] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thomas F. Hughes
- Department of Chemistry,
Columbia University, New York,
New York 10027, United States
| | - Richard A. Friesner
- Department of Chemistry,
Columbia University, New York,
New York 10027, United States
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Wang T, Brudvig GW, Batista VS. Study of Proton Coupled Electron Transfer in a Biomimetic Dimanganese Water Oxidation Catalyst with Terminal Water Ligands. J Chem Theory Comput 2010; 6:2395-2401. [PMID: 20827389 DOI: 10.1021/ct1002658] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The oxomanganese complex [H(2)O(terpy)Mn(III)(μ-O)(2)Mn(IV)(terpy)H(2)O](3+) (1, terpy = 2,2':6-2″-terpyridine) is a biomimetic model of the oxygen evolving complex of photosystem II with terminal water ligands. When bound to TiO(2) surfaces, 1 is activated by primary oxidants (e.g., Ce(4+)(aq), or oxone in acetate buffers) to catalyze the oxidation of water yielding O(2) evolution [G. Li et al. Energy Environ. Sci. 2, 230-238 (2009)]. The activation is thought to involve oxidation of the inorganic core [Mn(III)(μ-O)(2)Mn(IV)](3+) to generate the [Mn(IV)(μ-O)(2)Mn(IV)](4+) state 1(ox) first and then the highly reactive Mn oxyl species Mn(IV)O(•) through proton coupled electron transfer (PCET). Here, we investigate the step 1 → 1(ox) as compared to the analogous conversion in an oxomanganese complex without terminal water ligands, the [(bpy)(2) Mn (III) (μ-O)(2) Mn (IV) (bpy)(2)](3+) complex (2, bpy = 2,2'-bipyridyl). We characterize the oxidation in terms of free energy calculations of redox potentials and pKa's as directly compared to cyclic voltammogram measurements. We find that the pKa's of terminal water ligands depend strongly on the oxidation states of the Mn centers, changing by ~13 pH units (i.e., from 14 to 1) during the III, IV→IV, IV transition. Furthermore, we find that the oxidation potential of 1 is strongly dependent on pH (in contrast to the pH-independent redox potential of 2) as well as by coordination of Lewis base moieties (e.g., carboxylate groups) that competitively bind to Mn by exchange with terminal water ligands. The reported analysis of ligand binding free energies, pKa's and redox potentials indicates that the III, IV→IV, IV oxidation of 1 in the presence of acetate (AcO(-)) involves the following PCET: [H(2)O(terpy)Mn(III)(μ-O)(2)Mn(IV)(terpy)AcO](2+) → [HO(terpy)Mn(IV)(μ-O)(2)Mn(IV)(terpy)AcO](2+) + H(+) + e(-).
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Affiliation(s)
- Ting Wang
- Department of Chemistry, Yale University, PO Box 208107, New Haven, CT 06520-8107
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Wang T, Brudvig G, Batista VS. Characterization of proton coupled electron transfer in a biomimetic oxomanganese complex: Evaluation of the DFT B3LYP level of theory. J Chem Theory Comput 2010; 6:755-760. [PMID: 20607115 DOI: 10.1021/ct900615b] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The capabilities and limitations of the Becke-3-Lee-Yang-Parr (B3LYP) density functional theory (DFT) for modeling proton coupled electron transfer (PCET) in the mixed-valence oxomanganese complex 1 [(bpy)(2)Mn(III)(mu-O)(2)Mn(IV)(bpy)(2)](3+) (bpy = 2,2'-bipyridyl) are analyzed. Complex 1 serves as a prototypical synthetic model for studies of redox processes analogous to those responsible for water oxidation in the oxygen-evolving complex (OEC) of photosystem II (PSII). DFT B3LYP free energy calculations of redox potentials and pKa's are obtained according to the thermodynamic cycle formalism applied in conjunction with a continuum solvation model. We find that the pKa's of the oxo-ligands depend strongly on the oxidation states of the complex, changing by approximately 10 pH units (i.e., from pH~2 to pH~12) upon III,IV-->III,III reduction of complex 1. These computational results are consistent with the experimental pKa's determined by solution magnetic susceptibility and near-IR spectroscopy as well as with the pH dependence of the redox potential reported by cyclic voltammogram measurements, suggesting that the III,IV-->III,III reduction of complex 1 is coupled to protonation of the di-mu-oxo bridge as follows: [(bpy)(2)Mn(III)(mu-O)(2) Mn(IV)(bpy)(2)](3+)+H(+)+e(-)-->[(bpy)(2)Mn(III)(mu-O)(mu-OH)Mn(III)(bpy)(2)](3+). It is thus natural to expect that analogous redox processes might strongly modulate the pKa's of oxo and hydroxo/water ligands in the OEC of PSII, leading to deprotonation of the OEC upon oxidation state transitions.
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Affiliation(s)
- Ting Wang
- Department of Chemistry, Yale University, PO Box 208107, New Haven, CT 06520-8107
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Roy LE, Jakubikova E, Guthrie MG, Batista ER. Calculation of One-Electron Redox Potentials Revisited. Is It Possible to Calculate Accurate Potentials with Density Functional Methods? J Phys Chem A 2009; 113:6745-50. [DOI: 10.1021/jp811388w] [Citation(s) in RCA: 233] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Lindsay E. Roy
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - Elena Jakubikova
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - M. Graham Guthrie
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - Enrique R. Batista
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Angamuthu R, Bouwman E. Reduction of protons assisted by a hexanuclear nickel thiolate metallacrown: protonation and electrocatalytic dihydrogen evolution. Phys Chem Chem Phys 2009; 11:5578-83. [DOI: 10.1039/b904932k] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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