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Rademaker D, Tanase S, Kang H, Hofmann JP, Hetterscheid DGH. Selective Electrochemical Oxygen Reduction to Hydrogen Peroxide by Confinement of Cobalt Porphyrins in a Metal-Organic Framework. Chemistry 2024:e202401339. [PMID: 38872486 DOI: 10.1002/chem.202401339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
Sustainable alternatives for the energy intensive synthesis of H2O2 are necessary. Molecular cobalt catalysts show potential but are typically restricted by undesired bimolecular pathways leading to the breakdown of both H2O2 and the catalyst. The confinement of cobalt porphyrins in the PCN-224 metal-organic framework leads to an enhanced selectivity towards H2O2 and stability of the catalyst. Consequently, oxygen can now be selectively reduced to hydrogen peroxide with a stable conversion for at least 5 h, illustrating the potential of catalysts confined in MOFs to increase the selectivity and stability of electrocatalytic conversions.
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Affiliation(s)
- Dana Rademaker
- Leiden Institute of Chemistry, Leiden University, 2300, RA Leiden, The Netherlands
| | - Stefania Tanase
- Van't Hoff Institute for Molecular Sciences, Universiteit van Amsterdam, 1098 XH, Amsterdam, The Netherlands
| | - Hongrui Kang
- Surface Science Laboratory Department of Materials- and Geosciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Jan P Hofmann
- Surface Science Laboratory Department of Materials- and Geosciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
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2
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Paulus L, Gallardo-Villagrán M, Carrion C, Ouk C, Martin F, Therrien B, Léger DY, Liagre B. The Effect of Photosensitizer Metalation Incorporated into Arene-Ruthenium Assemblies on Prostate Cancer. Int J Mol Sci 2023; 24:13614. [PMID: 37686420 PMCID: PMC10488040 DOI: 10.3390/ijms241713614] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/21/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Prostate cancer is the second most common cancer for men and a major health issue. Despite treatments, a lot of side effects are observed. Photodynamic therapy is a non-invasive method that uses photosensitizers and light to induce cell death through the intramolecular generation of reactive oxygen species, having almost no side effects. However, some of the PSs used in PDT show inherent low solubility in biological media, and accordingly, functionalization or vectorization is needed to ensure internalization. To this end, we have used arene-ruthenium cages in order to deliver PSs to cancer cells. These metalla-assemblies can host PSs inside their cavity or be constructed with PS building blocks. In this study, we wanted to determine if the addition of metals (Mg, Co, Zn) in the center of these PSs plays a role. Our results show that most of the compounds induce cytotoxic effects on DU 145 and PC-3 human prostate cancer cells. Localization by fluorescence confirms the internalization of the assemblies in the cytoplasm. An analysis of apoptotic processes shows a cleavage of pro-caspase-3 and poly-ADP-ribose polymerase, thus leading to a strong induction of DNA fragmentation. Finally, the presence of metals in the PS decreases PDT's effect and can even annihilate it.
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Affiliation(s)
- Lucie Paulus
- Univ. Limoges, LABCiS, UR 22722, Faculté de Pharmacie, F-87000 Limoges, France; (L.P.); (M.G.-V.); (F.M.); (D.Y.L.)
| | - Manuel Gallardo-Villagrán
- Univ. Limoges, LABCiS, UR 22722, Faculté de Pharmacie, F-87000 Limoges, France; (L.P.); (M.G.-V.); (F.M.); (D.Y.L.)
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland;
| | - Claire Carrion
- Univ. Limoges, CNRS, Inserm, CHU Limoges, BISCEm, UAR 2015, US 42, F-87000 Limoges, France; (C.C.); (C.O.)
| | - Catherine Ouk
- Univ. Limoges, CNRS, Inserm, CHU Limoges, BISCEm, UAR 2015, US 42, F-87000 Limoges, France; (C.C.); (C.O.)
| | - Frédérique Martin
- Univ. Limoges, LABCiS, UR 22722, Faculté de Pharmacie, F-87000 Limoges, France; (L.P.); (M.G.-V.); (F.M.); (D.Y.L.)
| | - Bruno Therrien
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland;
| | - David Yannick Léger
- Univ. Limoges, LABCiS, UR 22722, Faculté de Pharmacie, F-87000 Limoges, France; (L.P.); (M.G.-V.); (F.M.); (D.Y.L.)
| | - Bertrand Liagre
- Univ. Limoges, LABCiS, UR 22722, Faculté de Pharmacie, F-87000 Limoges, France; (L.P.); (M.G.-V.); (F.M.); (D.Y.L.)
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3
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Zhang D, Crawley MR, Oldacre AN, Kyle LJ, MacMillan SN, Cook TR. Lowering the Symmetry of Cofacial Porphyrin Prisms for Selective Oxygen Reduction Electrocatalysis. Inorg Chem 2023; 62:1766-1775. [PMID: 35699516 DOI: 10.1021/acs.inorgchem.2c01109] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cofacial porphyrin catalysts for the Oxygen Reduction Reaction (ORR) formed via coordination-driven self-assembly have so far been limited to designs with fourfold symmetry, where four molecular clips bridge two porphyrin sites. We have synthesized six PynPhm (Py = pyridyl, Ph = phenyl) metalloporphyrin prisms (Co2+, Zn2+) bridged by molecular clips containing two Rh3+ centers. Four of these structures are lower symmetry, with the Py3Ph and Py2Ph2 prisms containing three and two molecular clips, respectively. The Co2+ species were evaluated for their ORR activity. Cyclic and hydrodynamic voltammetry studies of heterogeneous catalyst inks in aqueous media revealed marked differences in selectivity from ∼5% (Py3Ph) to ∼37% (Py2Ph2) for the formation of H2O2. The single-crystal X-ray structure of the Zn2 Py2Ph2 prism shows an offset between the porphyrin faces. This structural feature may be responsible for the change in selectivity, consistent with previous studies of covalently tethered cofacial porphyrins that have shown that geometry is a critical determinant of two-electron/two-proton versus four-electron/four-proton pathways. Extraction of standard rate constants ks for the ORR revealed a cofacial enhancement of ∼2 orders of magnitude over mononuclear Co2+ tetrapyridyl porphyrin. Even though all the prisms described here use the same molecular clip, the resultant structures, and thus the reactivity for the ORR, differ significantly based on the number and orientation of pyridyl donor groups on the porphyrins, highlighting how coordination-driven self-assembly can be used to rapidly tune dinuclear catalysts.
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Affiliation(s)
- Daoyang Zhang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Matthew R Crawley
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Amanda N Oldacre
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Lea J Kyle
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Samantha N MacMillan
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Timothy R Cook
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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4
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Chen X, Dai Y, Zhang H, Zhao X. Revealing the steric effects of cobalt porphyrin on the selectivity of oxygen reduction reaction. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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5
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Welgama HK, Crawley MR, McKone JR, Cook TR. Investigations of Nanoparticle Suspensions of Prussian Blue and Its Copper Analogue: Amine Functionalization and Electrochemical Studies. Inorg Chem 2023; 62:1455-1465. [PMID: 36638826 DOI: 10.1021/acs.inorgchem.2c03545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Prussian blue (PB) and its analogues are promising materials for electrochemical energy storage, yet their use in flow-type devices is limited by their lack of redox responsiveness as colloidal suspensions. We have investigated the redox chemistry amine functionalization of PB along with its Cu analogue (CuPBA). No redox response of colloidal PB was observed and suspensions of CuPBA formed films on electrode surfaces with and without applied potentials; the films were redox-active but the material that remained suspended in solution did not participate in redox chemistry. Propylamine (pa), ethylenediamine (en), or tetramethylethylenediamine (TMEDA) were added in an attempt to maintain well dispersed suspensions through nanoparticle surface functionalization. Propylamine modifications resulted in a loss of the CuPBA network and subsequent precipitation of insoluble materials. Coordination of ethylenediamine prompted the formation of Cu and Fe monomers ([Cu(en)2]m+/[Fe(CN)6]n-]) that remained soluble in aqueous electrolytes. In the absence of supporting electrolytes, these monomers formed a one-dimensional (1D) polymeric structure (Cu2Fe-1D). TMEDA modification preserved the CuPBA extended structure with only modest precipitate formation over 30 min. The redox responsiveness of these suspensions depended on conditions; in 1 M KCl, no redox chemistry was observed for the CuPBA. In pH 4 potassium hydrogen phthalate buffer, a signal was observed that was attributed to the Fe centers of CuPBA. Under these conditions, the material precipitated in ∼15 min and the signal was lost. Although the Fe centers in these networks are redox-active, additional work is needed to realize longer-term redox activity and stability. Ligand modifications can alter the properties of these networks but within a given ligand class, e.g., amines, the effects can vary greatly from the deconstruction of the framework to preventing film formation.
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Affiliation(s)
- Heshali K Welgama
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - Matthew R Crawley
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
| | - James R McKone
- Department of Chemical and Petroleum Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Timothy R Cook
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, United States
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6
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Crawley MR, Zhang D, Cook TR. Electrocatalytic Production of Hydrogen Peroxide Enabled by Post-Synthetic Modification of a Self-Assembled Porphyrin Cube. Inorg Chem Front 2023; 10:316-324. [PMID: 36683828 PMCID: PMC9850795 DOI: 10.1039/d2qi02050e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Self-assembled metallacyles and cages formed via coordination chemistry have been used as catalysts to enforce 4H+/4e- reduction of oxygen to water with an emphasis on attenuating the formation of hydrogen peroxide. That said, the kinetically favored 2H+/2e- reduction to H2O2 is critically important to industry. In this work we report the synthesis, characterization, and electrochemical benchmarking of a hexa-porphyrin cube which catalyses the electrochemical reduction of molecular oxgyen to hydrogen peroxide. An established sub-component self-assembly approach was used to synthesize the cubic free-base porphryin topologies from 2-pyridinecarboxaldehyde, tetra-4-aminophenylporphryin (TAPP), and Fe(OTf)2 (OTf- = trifluoromethansulfonate). Then, a tandem metalation/transmetallation was used to introduce Co(II) into the porphyrin faces of the cube, and exchange with the Fe(II) cations at the vertices, furnishing a tetrakaideca cobalt cage. Electron paramagnetic resonance studies on a Cu(II)/Fe(II) analogue probed radical interactions which inform on electronic structure. The efficacy and selectivity of the CoCo-cube as a catalyst for hydrogen peroxide generation was investigated using hydrodynamic voltammetry, revealing a higher selectivity than that of a mononuclear Co(II) porphyrin (83% versus ~50%) with orders of magnitude enhancement in standard rate constant (ks = 2.2 × 102 M-1s-1 versus ks = 3 × 100 M-1s-1). This work expands the use of coordination-driven self-assembly beyond ORR to water by exploiting post-synthetic modification and structural control that is associated with this synthetic method.
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Affiliation(s)
- Matthew R Crawley
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Daoyang Zhang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Timothy R Cook
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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7
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Zhang D, Crawley MR, Fang M, Kyle LJ, Cook TR. The rigidity of self-assembled cofacial porphyrins influences selectivity and kinetics of oxygen reduction electrocatalysis. Dalton Trans 2022; 51:18373-18377. [PMID: 36411983 DOI: 10.1039/d2dt02724k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We report the electrocatalytic Oxygen Reduction Reaction on a rigid Co(II) porphyrin prism scaffold bridged by Ag(I) ions. The reactivity of this scaffold differs significantly from previous prism catalysts in that its selectivity is similar to that of monomer (∼35% H2O) yet it displays sluggish kinetics, with an order of magnitude lower ks of ∼0.5 M-1 s-1. The deleterious cofacial effect is not simply due to metal-metal separation, which is similar to our most selective prism catalysts. Instead we conclude the structural rigidity is responsible for these differences.
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Affiliation(s)
- Daoyang Zhang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260, USA.
| | - Matthew R Crawley
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260, USA.
| | - Ming Fang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260, USA.
| | - Lea J Kyle
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260, USA.
| | - Timothy R Cook
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260, USA.
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8
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Cai Q, Tran LK, Qiu T, Eddy JW, Pham TN, Yap GPA, Rosenthal J. An Easily Prepared Monomeric Cobalt(II) Tetrapyrrole Complex That Efficiently Promotes the 4e -/4H + Peractivation of O 2 to Water. Inorg Chem 2022; 61:5442-5451. [PMID: 35358381 DOI: 10.1021/acs.inorgchem.1c03766] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The selective 4e-/4H+ reduction of dioxygen to water is an important reaction that takes place at the cathode of fuel cells. Monomeric aromatic tetrapyrroles (such as porphyrins, phthalocyanines, and corroles) coordinated to Co(II) or Co(III) have been considered as oxygen reduction catalysts due to their low cost and relative ease of synthesis. However, these systems have been repeatedly shown to be selective for O2 reduction by the less desired 2e-/2H+ pathway to yield hydrogen peroxide. Herein, we report the initial synthesis and study of a Co(II) tetrapyrrole complex based on a nonaromatic isocorrole scaffold that is competent for 4e-/4H+ oxygen reduction reaction (ORR). This Co(II) 10,10-dimethyl isocorrole (Co[10-DMIC]) is obtained in just four simple steps and has excellent yield from a known dipyrromethane synthon. Evaluation of the steady state spectroscopic and redox properties of Co[10-DMIC] against those of Co porphyrin (cobalt 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin, [Co(TPFPP)]) and corrole (cobalt 5,10,15-tris(pentafluorophenyl)corrole triphenylphosphine, Co[TPFPC](PPh3)) homologues demonstrated that the spectroscopic and electrochemical properties of the isocorrole are distinct from those displayed by more traditional aromatic tetrapyrroles. Further, the investigation of the ORR activity of Co[10-DMIC] using a combination of electrochemical and chemical reduction studies revealed that this simple, unadorned monomeric Co(II) tetrapyrrole is ∼85% selective for the 4e-/4H+ reduction of O2 to H2O over the more kinetically facile 2e-/2H+ process that delivers H2O2. In contrast, the same ORR evaluations conducted for the Co porphyrin and corrole homologues demonstrated that these traditional aromatic systems catalyze the 2e-/2H+ conversion of O2 to H2O2 with near complete selectivity. Despite being a simple, easily prepared, monomeric tetrapyrrole platform, Co[10-DMIC] supports an ORR catalysis that has historically only been achieved using elaborate porphyrinoid-based architectures that incorporate pendant proton-transfer groups or ditopic molecular clefts or that impose cofacially oriented O2 binding sites. Accordingly, Co[10-DMIC] represents the first simple, unadorned, monomeric metalloisocorrole complex that can be easily prepared and shows a privileged performance for the 4e-/4H+ peractivation of O2 to water as compared to other simple cobalt containing tetrapyrroles.
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Affiliation(s)
- Qiuqi Cai
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Linh K Tran
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Tian Qiu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Jennifer W Eddy
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Trong-Nhan Pham
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Glenn P A Yap
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Joel Rosenthal
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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9
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Benavides PA, Gordillo MA, Yadav A, Joaqui-Joaqui MA, Saha S. Pt(ii)-coordinated tricomponent self-assemblies of tetrapyridyl porphyrin and dicarboxylate ligands: are they 3D prisms or 2D bow-ties? Chem Sci 2022; 13:4070-4081. [PMID: 35440981 PMCID: PMC8985580 DOI: 10.1039/d1sc06533e] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/22/2022] [Indexed: 12/24/2022] Open
Abstract
Thermodynamically favored simultaneous coordination of Pt(ii) corners with aza- and carboxylate ligands yields tricomponent coordination complexes with sophisticated structures and functions, which require careful structural characterization to paint accurate depiction of their structure-function relationships. Previous reports claimed that heteroleptic coordination of cis-(Et3P)2PtII with tetrapyridyl porphyrins (M'TPP, M' = Zn or H2) and dicarboxylate ligands (XDC) yielded 3D tetragonal prisms containing two horizontal M'TPP faces and four vertical XDC pillars connected by eight Pt(ii) corners, even though such structures were not supported by their 1H NMR data. Through extensive X-ray crystallographic and NMR studies, herein, we demonstrate that self-assembly of cis-(Et3P)2PtII, M'TPP, and four different XDC linkers having varied lengths and rigidities actually yields bow-tie (⋈)-shaped 2D [{cis-(Et3P)2Pt}4(M'TPP) (XDC)2]4+ complexes featuring a M'TPP core and two parallel XDC linkers connected by four heteroleptic PtII corners instead of 3D prisms. This happened because (i) irrespective of their length (∼7-11 Å) and rigidity, the XDC linkers intramolecularly bridged two adjacent pyridyl-N atoms of a M'TPP core via PtII corners instead of connecting two cofacial M'TPP ligands and (ii) bow-tie complexes are entropically favored over prisms. The electron-rich ZnTPP core of a representative bow-tie complex selectively formed a charge-transfer complex with highly π-acidic 1,4,5,8,9,12-hexaazatriphenylene-2,3,6,7,10,11-heaxacarbonitrile but not with a π-donor such as pyrene. Thus, this work not only produced novel M'TPP-based bow-tie complexes and demonstrated their selective π-acid recognition capability, but also underscored the importance of proper structural characterization of supramolecular assemblies to ensure accurate depiction of their structure-property relationships.
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Affiliation(s)
- Paola A Benavides
- Department of Chemistry, Clemson University Clemson South Carolina 29634 USA
| | - Monica A Gordillo
- Department of Chemistry, Clemson University Clemson South Carolina 29634 USA
| | - Ashok Yadav
- Department of Chemistry, Clemson University Clemson South Carolina 29634 USA
| | | | - Sourav Saha
- Department of Chemistry, Clemson University Clemson South Carolina 29634 USA
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10
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Aleksanyan DV, Churusova SG, Yu. Rybalkina E, Klemenkova ZS, Denisov GL, Kozlov VA. Dinucleating ligands based on functionalized oxalamides: lability of Re(I) coordination with the phosphorus pendant arms. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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11
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Gallardo-Villagrán M, Paulus L, Charissoux JL, Leger DY, Vergne-Salle P, Therrien B, Liagre B. Ruthenium-based assemblies incorporating tetrapyridylporphyrin panels: a photosensitizer delivery strategy for the treatment of rheumatoid arthritis by photodynamic therapy. Dalton Trans 2022; 51:9673-9680. [DOI: 10.1039/d2dt00917j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ruthenium-based assemblies containing tetrapyridylporphyrin derivatives in their structures have been evaluated as photosensitizers to treat rheumatoid arthritis by photodynamic therapy.
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Affiliation(s)
- Manuel Gallardo-Villagrán
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
- Université de Limoges, Laboratoire PEIRENE UR 22722, Faculté de Pharmacie, F-87025 Limoges, France
| | - Lucie Paulus
- Université de Limoges, Laboratoire PEIRENE UR 22722, Faculté de Pharmacie, F-87025 Limoges, France
| | - Jean-Louis Charissoux
- Service d'Orthopédie-Traumatologie, CHRU Dupuytren, 2 avenue Martin Luther King, 87042 Limoges Cedex, France
| | - David Yannick Leger
- Université de Limoges, Laboratoire PEIRENE UR 22722, Faculté de Pharmacie, F-87025 Limoges, France
| | - Pascale Vergne-Salle
- Service de Rhumatologie, CHRU Dupuytren 2, 16 rue Bernard Descottes, 87042 Limoges Cedex, France
| | - Bruno Therrien
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
| | - Bertrand Liagre
- Université de Limoges, Laboratoire PEIRENE UR 22722, Faculté de Pharmacie, F-87025 Limoges, France
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12
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Poyac L, Rose C, Wahiduzzaman M, Lebrun A, Cazals G, Devillers CH, Yot PG, Clément S, Richeter S. Synthesis, Characterization, and Encapsulation Properties of Rigid and Flexible Porphyrin Cages Assembled from N-Heterocyclic Carbene-Metal Bonds. Inorg Chem 2021; 60:19009-19021. [PMID: 34878781 DOI: 10.1021/acs.inorgchem.1c02868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Four porphyrins equipped with imidazolium rings on the para positions of their meso aryl groups were prepared and used as tetrakis(N-heterocyclic carbene) (NHC) precursors for the synthesis of porphyrin cages assembled from eight NHC-M bonds (M = Ag+ or Au+). The conformation of the obtained porphyrin cages in solution and their encapsulation properties strongly depend on the structure of the spacer -(CH2)n- (n = 0 or 1) between meso aryl groups and peripheral NHC ligands. In the absence of methylene groups (n = 0), porphyrin cages are rather rigid and the short porphyrin-porphyrin distance prevents the encapsulation of guest molecules like 1,4-diazabicyclo[2.2.2]octane (DABCO). By contrast, the presence of methylene functions (n = 1) between meso aryl groups and peripheral NHCs offers additional flexibility to the system, allowing the inner space between the two porphyrins to expand enough to encapsulate guest molecules like water molecules or DABCO. The peripheral NHC-wingtip groups also play a significant role in the encapsulation properties of the porphyrin cages.
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Affiliation(s)
- Ludivine Poyac
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier 34293, France
| | - Clémence Rose
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier 34293, France
| | | | | | | | - Charles H Devillers
- ICMUB UMR6302, CNRS, Univ. Bourgogne Franche-Comté, 9 avenue Alain Savary, Dijon 21078, France
| | - Pascal G Yot
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier 34293, France
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13
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Rawah BS, Li W. Electrocatalytic generation of hydrogen peroxide on cobalt nanoparticles embedded in nitrogen-doped carbon. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(21)63804-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Li Y, Wang N, Lei H, Li X, Zheng H, Wang H, Zhang W, Cao R. Bioinspired N4-metallomacrocycles for electrocatalytic oxygen reduction reaction. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213996] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Arima H, Wada M, Nakazono T, Wada T. Tuning Oxygen Reduction Catalysis of Dinuclear Cobalt Polypyridyl Complexes by the Bridging Structure. Inorg Chem 2021; 60:9402-9415. [PMID: 33988979 DOI: 10.1021/acs.inorgchem.1c00293] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The four-electron oxygen reduction reaction (4e--ORR) is the mainstay in chemical energy conversion. Elucidation of factors influencing the catalyst's reaction rate and selectivity is important in the development of more active catalysts of 4e--ORR. In this study, we investigated chemical and electrochemical 4e--ORR catalyzed by Co2(μ-O2) complexes bridged by xanthene (1) and anthracene (3) and by a Co2(OH)2 complex bridged by anthraquinone (2). In the chemical ORR using Fe(CpMe)2 as a reductant in acidic PhCN, we found that 1 showed the highest initial turnover frequency (TOFinit = 6.8 × 102 s-1) and selectivity for 4e--ORR (96%) in three complexes. The detailed kinetic analyses have revealed that the rate-determining steps (RDSs) in the catalytic cycles of 1-3 have the O2 addition to [CoII2(OH2)2]4+ as an intermediate in common. In the only case that complex 1 was used as a catalyst, kcat depended on proton concentration because the reaction rate of the O2 addition to [CoII2(OH2)2]4+ was so fast as compared to that of the concerted PCET process of 1. Through X-ray, Raman, and electrochemical analyses and stoichiometric reactions, we found the face-to-face structure of 1 characterized by a slightly flexible xanthene was advantageous in capturing O2 and stabilizing the Co2(μ-O2) structure, thus increasing both the reaction rate and selectivity for 4e--ORR.
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Affiliation(s)
- Hiroaki Arima
- Department of Chemistry, College of Science, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - Misato Wada
- Department of Chemistry, College of Science, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - Takashi Nakazono
- Department of Chemistry, College of Science, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - Tohru Wada
- Department of Chemistry, College of Science, Rikkyo University, 3-34-1, Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
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16
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Smith PT, Benke BP, An L, Kim Y, Kim K, Chang CJ. A Supramolecular Porous Organic Cage Platform Promotes Electrochemical Hydrogen Evolution from Water Catalyzed by Cobalt Porphyrins. ChemElectroChem 2021. [DOI: 10.1002/celc.202100331] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Peter T. Smith
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
| | - Bahiru Punja Benke
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Lun An
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
| | - Younghoon Kim
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
| | - Kimoon Kim
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
| | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
- Department of Molecular and Cell Biology University of California Berkeley CA 94720-1460 USA
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17
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Rana A, Lee YM, Li X, Cao R, Fukuzumi S, Nam W. Highly Efficient Catalytic Two-Electron Two-Proton Reduction of Dioxygen to Hydrogen Peroxide with a Cobalt Corrole Complex. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05003] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Atanu Rana
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Xialiang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
- Faculty of Science and Engineering, Meijo University, Nagoya, Aichi 468-8502, Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
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18
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Crawley MR, Zhang D, Oldacre AN, Beavers CM, Friedman AE, Cook TR. Tuning the Reactivity of Cofacial Porphyrin Prisms for Oxygen Reduction Using Modular Building Blocks. J Am Chem Soc 2021; 143:1098-1106. [PMID: 33377787 DOI: 10.1021/jacs.0c11895] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We assembled eight cofacial porphyrin prisms using MTPyP (M = Co(II) or Zn(II), TPyP = 4-tetrapyridylporphyrin) and functionalized ruthenium-based "molecular clips" using coordination-driven self-assembly. Our approach allows for the rapid synthesis of these architectures in isolated yields as high as 98% for the assembly step. Structural and reactivity studies provided a deeper understanding of the role of the building blocks on the oxygen reduction reaction (ORR). Catalytic efficacy was probed by using cyclic and hydrodynamic voltammetry on heterogeneous catalyst inks in aqueous media. The reported prisms showed outstanding selectivity (>98%) for the kinetically hindered 4e-/4H+ reduction of O2 to H2O over the kinetically more accessible 2e-/2H+ reduction to H2O2. Furthermore, we have demonstrated significant cofacial enhancement in the observed catalytic rate constant ks (∼5 orders of magnitude) over the mononuclear analogue. We conclude that the steric bulk of the clip plays an important role in the structural dynamics of these prisms, which in turn modulates the ORR reactivity with respect to selectivity and kinetics.
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Affiliation(s)
- Matthew R Crawley
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Daoyang Zhang
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Amanda N Oldacre
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Christine M Beavers
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Alan E Friedman
- Department of Materials, Design, and Innovation, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Timothy R Cook
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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19
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Liang Z, Wang HY, Zheng H, Zhang W, Cao R. Porphyrin-based frameworks for oxygen electrocatalysis and catalytic reduction of carbon dioxide. Chem Soc Rev 2021; 50:2540-2581. [DOI: 10.1039/d0cs01482f] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The recent progress made on porphyrin-based frameworks and their applications in energy-related conversion technologies (e.g., ORR, OER and CO2RR) and storage technologies (e.g., Zn–air batteries).
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Affiliation(s)
- Zuozhong Liang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education, School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710119
- China
| | - Hong-Yan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education, School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710119
- China
| | - Haoquan Zheng
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education, School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710119
- China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education, School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710119
- China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education, School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710119
- China
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20
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Kataev E, Wechsler D, Williams FJ, Köbl J, Tsud N, Franchi S, Steinrück H, Lytken O. Probing the Roughness of Porphyrin Thin Films with X-ray Photoelectron Spectroscopy. Chemphyschem 2020; 21:2293-2300. [PMID: 32820833 PMCID: PMC7702074 DOI: 10.1002/cphc.202000568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/06/2020] [Indexed: 11/08/2022]
Abstract
Thin-film growth of molecular systems is of interest for many applications, such as for instance organic electronics. In this study, we demonstrate how X-ray photoelectron spectroscopy (XPS) can be used to study the growth behavior of such molecular systems. In XPS, coverages are often calculated assuming a uniform thickness across a surface. This results in an error for rough films, and the magnitude of this error depends on the kinetic energy of the photoelectrons analyzed. We have used this kinetic-energy dependency to estimate the roughnesses of thin porphyrin films grown on rutile TiO2 (110). We used two different molecules: cobalt (II) monocarboxyphenyl-10,15,20-triphenylporphyrin (CoMCTPP), with carboxylic-acid anchor groups, and cobalt (II) tetraphenylporphyrin (CoTPP), without anchor groups. We find CoMCTPP to grow as rough films at room temperature across the studied coverage range, whereas for CoTPP the first two layers remain smooth and even; depositing additional CoTPP results in rough films. Although, XPS is not a common technique for measuring roughness, it is fast and provides information of both roughness and thickness in one measurement.
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Affiliation(s)
- Elmar Kataev
- Department of Chemistry and PharmacyFriedrich-Alexander Universität Erlangen-NürnbergEgerlandstraße 3Erlangen91058Germany
| | - Daniel Wechsler
- Department of Chemistry and PharmacyFriedrich-Alexander Universität Erlangen-NürnbergEgerlandstraße 3Erlangen91058Germany
| | - Federico J. Williams
- Departamento de Química Inorgánica, Analítica y Química FísicaUniversidad de Buenos AiresPabellón 2Buenos AiresC1428EHAArgentina
| | - Julia Köbl
- Department of Chemistry and PharmacyFriedrich-Alexander Universität Erlangen-NürnbergEgerlandstraße 3Erlangen91058Germany
| | - Natalia Tsud
- Department of Surface and Plasma ScienceCharles UniversityV Holešovičkách 2Prague11636Czech Republic
| | - Stefano Franchi
- Istituto di Struttura della MateriaConsiglio Nazionale delle Ricerchevia Fosso del Cavaliere100RomaItaly
| | - Hans‐Peter Steinrück
- Department of Chemistry and PharmacyFriedrich-Alexander Universität Erlangen-NürnbergEgerlandstraße 3Erlangen91058Germany
| | - Ole Lytken
- Department of Chemistry and PharmacyFriedrich-Alexander Universität Erlangen-NürnbergEgerlandstraße 3Erlangen91058Germany
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21
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Ueda M, Kimura M, Miyagawa S, Takaya H, Naito M, Tokunaga Y. A Five-layer π-Aromatic Structure Formed through Self-assembly of a Porphyrin Trimer and Two Aromatic Guests. Chem Asian J 2020; 15:2212-2217. [PMID: 32483880 DOI: 10.1002/asia.202000452] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/19/2020] [Indexed: 11/09/2022]
Abstract
In this study we synthesized two- and four-armed porphyrins - bearing two carboxyl and four 2-aminoquinolino functionalities, respectively, at their meso positions - as a complementary hydrogen bonding pair for the self-assembly of a D2 -symmetric porphyrin trimer host. Two units of the two-armed porphyrin and one unit of the four-armed porphyrin self-assembled quantitatively into the D2 -symmetric porphyrin trimer, stabilized through ammidinium-carboxylate salt bridge formation, in CH2 Cl2 and CHCl3 . The porphyrin trimer host gradually bound two units of 1,3,5-trinitrobenzene between the pair of porphyrin units, forming a five-layer aromatic structure. At temperatures below -40 °C, the rates of association and dissociation of the complexes were slow on the NMR spectroscopic time scale, allowing the 1 : 1 and 1 : 2 complexes of the trimer host and trinitrobenzene guest(s) to be detected independently when using less than 2 eq of trinitrobenzene. Vis titration experiments revealed the values of K1 (2.1±0.4×105 M-1 ) and K2 (2.2±0.06×104 M-1 ) in CHCl3 at room temperature.
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Affiliation(s)
- Masahiro Ueda
- Department of Materials Science and Engineering Faculty of Engineering, University of Fukui Bunkyo, Fukui, 910-8507, Japan
| | - Masaki Kimura
- Department of Materials Science and Engineering Faculty of Engineering, University of Fukui Bunkyo, Fukui, 910-8507, Japan
| | - Shinobu Miyagawa
- Department of Materials Science and Engineering Faculty of Engineering, University of Fukui Bunkyo, Fukui, 910-8507, Japan
| | - Hikaru Takaya
- International Research Center for Elements Science Institute for Chemical Research, Kyoto University, Uji, 611-0011, Japan
| | - Masaya Naito
- Department of Materials Science and Engineering Faculty of Engineering, University of Fukui Bunkyo, Fukui, 910-8507, Japan
| | - Yuji Tokunaga
- Department of Materials Science and Engineering Faculty of Engineering, University of Fukui Bunkyo, Fukui, 910-8507, Japan
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22
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Sun Y, Chen C, Liu J, Stang PJ. Recent developments in the construction and applications of platinum-based metallacycles and metallacages via coordination. Chem Soc Rev 2020; 49:3889-3919. [PMID: 32412574 PMCID: PMC7846457 DOI: 10.1039/d0cs00038h] [Citation(s) in RCA: 216] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Coordination-driven suprastructures have attracted much interest due to their unique properties. Among these structures, platinum-based architectures have been broadly studied due to their facile preparation. The resultant two- or three-dimensional (2D or 3D) systems have many advantages over their precursors, such as improved emission tuning, sensitivity as sensors, and capture and release of guests, and they have been applied in biomedical diagnosis as well as in catalysis. Herein, we review the recent results related to platinum-based coordination-driven self-assembly (CDSA), and the text is organized to emphasizes both the synthesis of new metallacycles and metallacages and their various applications.
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Affiliation(s)
- Yan Sun
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
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23
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Smith PT, Nichols EM, Cao Z, Chang CJ. Hybrid Catalysts for Artificial Photosynthesis: Merging Approaches from Molecular, Materials, and Biological Catalysis. Acc Chem Res 2020; 53:575-587. [PMID: 32124601 DOI: 10.1021/acs.accounts.9b00619] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Increasing demand for sustainable energy sources continues to motivate the development of new catalytic processes that store intermittent energy in the form of chemical bonds. In this context, photosynthetic organisms harvest light to drive dark reactions reducing carbon dioxide, an abundant and accessible carbon source, to store solar energy in the form of glucose and other biomass feedstocks. Inspired by this biological process, the field of artificial photosynthesis aims to store renewable energy in chemical bonds spanning fuels, foods, medicines, and materials using light, water, and CO2 as the primary chemical feedstocks, with the added benefit of mitigating the accumulation of CO2 as a greenhouse gas in the atmosphere. As such, devising new catalyst platforms for transforming CO2 into value-added chemical products is of importance. Historically, catalyst design for artificial photosynthesis has been approached from the three traditional fields of catalysis: molecular, materials, and biological. In this Account, we show progress from our laboratory in constructing new hybrid catalysts for artificial photosynthesis that draw upon design concepts from all three of these traditional fields of catalysis and blur the boundaries between them. Starting with molecular catalysis, we incorporated biological design elements that are prevalent in enzymes into synthetic systems. Specifically, we demonstrated that proper positioning of intramolecular hydrogen bond donors or addition of intermolecular multipoint hydrogen bond donors with classic iron porphyrin and nickel cyclam platforms can substantially increase rates of CO2 reduction and break electronic scaling relationships. In parallel, we incorporated a key materials design element, namely, high surface area and porosity for maximizing active site exposure, into molecular systems. A supramolecular porous organic cage molecule was synthesized with iron porphyrin building blocks, and the porosity was observed to facilitate substrate and charge transport through the catalyst film. In turn, molecular design elements can be incorporated into materials catalysts for CO2 reduction. First, we utilized molecular synthons in a bottom-up reticular approach to drive polymerization/assembly into a bulk framework material. Second, we established an organometallic approach in which molecular ligands, including chelating ones, are adsorbed onto a bulk inorganic solid to create and tune new active sites on surfaces. Finally, we describe two examples in which molecular, materials, and biological design elements are all integrated to catalyze the reduction of CO2 into CH4 using a hybrid biological-materials interface with sustainably generated H2 as the reductant or to reduce CO into value-added C2 products acetate and ethanol using a hybrid molecular-materials interface to construct a biomimetic, bimetallic active site. Taken together, our program in catalysis for energy and sustainability has revealed that combining more conventional design strategies in synergistic ways can lead to advances in artificial photosynthesis.
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Affiliation(s)
- Peter T. Smith
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Eva M. Nichols
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Zhi Cao
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- National Energy Center for Coal to Liquids, Synfuels CHINA Co., Ltd, Beijing 101400, China
| | - Christopher J. Chang
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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24
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Li L, Guo H, Yang L, Li X, Wang H, He C. Encapsulation of Flavin Cofactor within a Manganese Porphyrin-Based Metal-Organic Polyhedron for Reductive Dioxygen Activation. Inorg Chem 2020; 59:2636-2640. [PMID: 32058709 DOI: 10.1021/acs.inorgchem.9b03430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Encapsulation of flavin mononucleotide (FMN) in a porphyrinatomanganese(III)-based cubic cage allowed the fast reduction of manganese(III) porphyrin in the presence of nicotinamide adenine dinucleotide (NADH). This supramolecular system was capable of efficiently activating dioxygen and catalyzing the oxidation of benzyl alcohol. Control experiments suggested that the close proximity between FMN and manganese(III) porphyrins forced by the host-guest interaction might benefit the electron-transfer process from the FMN cofactor to the metal centers.
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Affiliation(s)
- LiLi Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Huimin Guo
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Linlin Yang
- Xinxiang Key Laboratory of Forensic Science Evidence, School of Forensic Medicine, Xinxiang Medical University, Xinxiang 453003, P. R. China
| | - Xuezhao Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Hailing Wang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Cheng He
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
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25
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Smith PT, Kim Y, Benke BP, Kim K, Chang CJ. Supramolecular Tuning Enables Selective Oxygen Reduction Catalyzed by Cobalt Porphyrins for Direct Electrosynthesis of Hydrogen Peroxide. Angew Chem Int Ed Engl 2020; 59:4902-4907. [DOI: 10.1002/anie.201916131] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Peter T. Smith
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
| | - Younghoon Kim
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Bahiru Punja Benke
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Kimoon Kim
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
- Department of Molecular and Cell Biology University of California, Berkeley Berkeley CA 94720-1460 USA
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26
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Smith PT, Kim Y, Benke BP, Kim K, Chang CJ. Supramolecular Tuning Enables Selective Oxygen Reduction Catalyzed by Cobalt Porphyrins for Direct Electrosynthesis of Hydrogen Peroxide. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916131] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Peter T. Smith
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
| | - Younghoon Kim
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Bahiru Punja Benke
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Kimoon Kim
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self-assembly and Complexity (CSC) Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Christopher J. Chang
- Department of Chemistry University of California, Berkeley Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley CA 94720-1460 USA
- Department of Molecular and Cell Biology University of California, Berkeley Berkeley CA 94720-1460 USA
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27
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Viera M, Riquelme J, Aliaga C, Marco JF, Orellana W, Zagal JH, Tasca F. Oxygen Reduction Reaction at Penta-Coordinated Co Phthalocyanines. Front Chem 2020; 8:22. [PMID: 32064248 PMCID: PMC7000627 DOI: 10.3389/fchem.2020.00022] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/09/2020] [Indexed: 11/13/2022] Open
Abstract
From the early 60s, Co complexes, especially Co phthalocyanines (CoPc) have been extensively studied as electrocatalysts for the oxygen reduction reaction (ORR). Generally, they promote the 2-electron reduction of O2 to give peroxide whereas the 4-electron reduction is preferred for fuel cell applications. Still, Co complexes are of interest because depending on the chemical environment of the Co metal centers either promote the 2-electron transfer process or the 4-electron transfer. In this study, we synthetized 3 different Co catalysts where Co is coordinated to 5 N atoms using CoN4 phthalocyanines with a pyridine axial linker anchored to carbon nanotubes. We tested complexes with electro-withdrawing or electro-donating residues on the N4 phthalocyanine ligand. The catalysts were characterized by EPR and XPS spectroscopy. Ab initio calculations, Koutecky-Levich extrapolation and Tafel plots confirm that the pyridine back ligand increases the Co-O2 binding energy, and therefore promotes the 4-electron reduction of O2. But the presence of electron withdrawing residues, in the plane of the tetra N atoms coordinating the Co, does not further increase the activity of the compounds because of pull-push electronic effects.
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Affiliation(s)
- Marco Viera
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Jorge Riquelme
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Carolina Aliaga
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - José F. Marco
- Instituto de Química Física “Rocasolano”, CSIC, Madrid, Spain
| | - Walter Orellana
- Departamento de Ciencias Físicas, Universidad Andrés Bello, Santiago, Chile
| | - José H. Zagal
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Federico Tasca
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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28
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Xu Y, Gsänger S, Minameyer MB, Imaz I, Maspoch D, Shyshov O, Schwer F, Ribas X, Drewello T, Meyer B, von Delius M. Highly Strained, Radially π-Conjugated Porphyrinylene Nanohoops. J Am Chem Soc 2019; 141:18500-18507. [DOI: 10.1021/jacs.9b08584] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Youzhi Xu
- Institute of Organic Chemistry, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Sebastian Gsänger
- Interdisciplinary Center for Molecular Materials (ICMM) and Computer-Chemistry-Center (CCC), Friedrich-Alexander University Erlangen-Nürnberg, Nägelsbachstrasse 25, 91052 Erlangen, Germany
| | - Martin B. Minameyer
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
| | - Inhar Imaz
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Oleksandr Shyshov
- Institute of Organic Chemistry, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Fabian Schwer
- Institute of Organic Chemistry, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Xavi Ribas
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17003 Girona, Catalonia, Spain
| | - Thomas Drewello
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
| | - Bernd Meyer
- Interdisciplinary Center for Molecular Materials (ICMM) and Computer-Chemistry-Center (CCC), Friedrich-Alexander University Erlangen-Nürnberg, Nägelsbachstrasse 25, 91052 Erlangen, Germany
| | - Max von Delius
- Institute of Organic Chemistry, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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29
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Liu Y, Zhou G, Zhang Z, Lei H, Yao Z, Li J, Lin J, Cao R. Significantly improved electrocatalytic oxygen reduction by an asymmetrical Pacman dinuclear cobalt(ii) porphyrin-porphyrin dyad. Chem Sci 2019; 11:87-96. [PMID: 32110360 PMCID: PMC7012046 DOI: 10.1039/c9sc05041h] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 11/03/2019] [Indexed: 11/21/2022] Open
Abstract
Asymmetrical Pacman dinuclear Co bisporphyrin shows significantly improved activity and selectivity for catalytic reduction of O2 to water in comparison with corresponding mononuclear Co porphyrins and symmetrical dinuclear Co bisporphyrins.
Pacman dinuclear CoII triphenylporphyrin-tri(pentafluorophenyl)porphyrin 1 and dinuclear CoII bis-tri(pentafluorophenyl)porphyrin 2, anchored at the two meso-positions of a benzene linker, are synthesized and examined as electrocatalysts for the oxygen reduction reaction (ORR). Both dinuclear Co bisporphyrins are more efficient and selective than corresponding mononuclear CoII tetra(pentafluorophenyl)porphyrin 3 and CoII tetraphenylporphyrin 4 for the four-electron electrocatalytic reduction of O2 to water. Significantly, although the ORR selectivities of the two dinuclear Co bisporphyrins are similar to each other, 1 outperforms 2, in terms of larger catalytic ORR currents and lower overpotentials. Electrochemical studies showed different redox behaviors of the two Co sites of 1: the CoIII/CoII reduction of the Co-TPP (TPP = triphenylporphyrin) site is well-behind that of the Co-TPFP (TPFP = tri(pentafluorophenyl)porphyrin) site by 440 mV. This difference indicated their different roles in the ORR: CoII-TPFP is likely the O2 binding and reduction site, while CoIII-TPP, which is generated by the oxidation of CoII-TPP on electrodes, may function as a Lewis acid to assist the O2 binding and activation. The positively charged CoIII-TPP will have through-space charge interactions with the negatively charged O2-adduct unit, which will reduce the activation energy barrier for the ORR. This effect of Co-TPP closely resembles that of the CuB site of metalloenzyme cytochrome c oxidase (CcO), which catalyzes the biological reduction of O2. This work represents a rare example of asymmetrical dinuclear metal catalysts, which can catalyze the 4e reduction of O2 with high selectivity and significantly improved activity.
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Affiliation(s)
- Yanju Liu
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , China . .,Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Guojun Zhou
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , China .
| | - Zongyao Zhang
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , China .
| | - Zhen Yao
- College of Materials Science and Optoelectronic Technology , University of Chinese Academy of Science , Beijing 101408 , China
| | - Jianfeng Li
- College of Materials Science and Optoelectronic Technology , University of Chinese Academy of Science , Beijing 101408 , China
| | - Jun Lin
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , China .
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30
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Sun Y, Silvioli L, Sahraie NR, Ju W, Li J, Zitolo A, Li S, Bagger A, Arnarson L, Wang X, Moeller T, Bernsmeier D, Rossmeisl J, Jaouen F, Strasser P. Activity-Selectivity Trends in the Electrochemical Production of Hydrogen Peroxide over Single-Site Metal-Nitrogen-Carbon Catalysts. J Am Chem Soc 2019; 141:12372-12381. [PMID: 31306016 DOI: 10.1021/jacs.9b05576] [Citation(s) in RCA: 234] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Nitrogen-doped carbon materials featuring atomically dispersed metal cations (M-N-C) are an emerging family of materials with potential applications for electrocatalysis. The electrocatalytic activity of M-N-C materials toward four-electron oxygen reduction reaction (ORR) to H2O is a mainstream line of research for replacing platinum-group-metal-based catalysts at the cathode of fuel cells. However, fundamental and practical aspects of their electrocatalytic activity toward two-electron ORR to H2O2, a future green "dream" process for chemical industry, remain poorly understood. Here we combined computational and experimental efforts to uncover the trends in electrochemical H2O2 production over a series of M-N-C materials (M = Mn, Fe, Co, Ni, and Cu) exclusively comprising atomically dispersed M-Nx sites from molecular first-principles to bench-scale electrolyzers operating at industrial current density. We investigated the effect of the nature of a 3d metal within a series of M-N-C catalysts on the electrocatalytic activity/selectivity for ORR (H2O2 and H2O products) and H2O2 reduction reaction (H2O2RR). Co-N-C catalyst was uncovered with outstanding H2O2 productivity considering its high ORR activity, highest H2O2 selectivity, and lowest H2O2RR activity. The activity-selectivity trend over M-N-C materials was further analyzed by density functional theory, providing molecular-scale understandings of experimental volcano trends for four- and two-electron ORR. The predicted binding energy of HO* intermediate over Co-N-C catalyst is located near the top of the volcano accounting for favorable two-electron ORR. The industrial H2O2 productivity over Co-N-C catalyst was demonstrated in a microflow cell, exhibiting an unprecedented production rate of more than 4 mol peroxide gcatalyst-1 h-1 at a current density of 50 mA cm-2.
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Affiliation(s)
- Yanyan Sun
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Luca Silvioli
- Nano-Science Center, Department of Chemistry , University of Copenhagen , Universitetsparken 5 , 2100 Copenhagen , Denmark
| | - Nastaran Ranjbar Sahraie
- CNRS, Université de Montpellier, ENSCM, UMR 5253 , Institut Charles Gerhardt de Montpellier , 34090 Montpellier , France
| | - Wen Ju
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Jingkun Li
- CNRS, Université de Montpellier, ENSCM, UMR 5253 , Institut Charles Gerhardt de Montpellier , 34090 Montpellier , France
| | - Andrea Zitolo
- Synchrotron SOLEIL , L'Orme des Merisiers , BP 48 Saint Aubin , 91192 Gif-sur-Yvette , France
| | - Shuang Li
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Alexander Bagger
- Nano-Science Center, Department of Chemistry , University of Copenhagen , Universitetsparken 5 , 2100 Copenhagen , Denmark
| | - Logi Arnarson
- Nano-Science Center, Department of Chemistry , University of Copenhagen , Universitetsparken 5 , 2100 Copenhagen , Denmark
| | - Xingli Wang
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Tim Moeller
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Denis Bernsmeier
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
| | - Jan Rossmeisl
- Nano-Science Center, Department of Chemistry , University of Copenhagen , Universitetsparken 5 , 2100 Copenhagen , Denmark
| | - Frédéric Jaouen
- CNRS, Université de Montpellier, ENSCM, UMR 5253 , Institut Charles Gerhardt de Montpellier , 34090 Montpellier , France
| | - Peter Strasser
- Department of Chemistry , Technical University of Berlin , 10623 Berlin , Germany
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31
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Meng J, Lei H, Li X, Qi J, Zhang W, Cao R. Attaching Cobalt Corroles onto Carbon Nanotubes: Verification of Four-Electron Oxygen Reduction by Mononuclear Cobalt Complexes with Significantly Improved Efficiency. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00213] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jia Meng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Haitao Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Xialiang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Jing Qi
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
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