251
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Lei H, Zhang Q, Wang Y, Gao Y, Wang Y, Liang Z, Zhang W, Cao R. Significantly boosted oxygen electrocatalysis with cooperation between cobalt and iron porphyrins. Dalton Trans 2021; 50:5120-5123. [PMID: 33881086 DOI: 10.1039/d1dt00441g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Developing electrocatalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) is of great importance. Herein, Co tetrakis(pentafluorophenyl)porphyrin (Co-P) and Fe chloride tetrakis(pentafluorophenyl)porphyrin (Fe-P) were loaded on carbon nanotubes (CNTs) for combining the electrocatalytic advantages of both Co-P and Fe-P. The resultant (Co-P)0.5(Fe-P)0.5@CNT composite displayed significantly boosted activity for the selective four-electron ORR with a half-wave potential of 0.80 V versus reversible hydrogen electrode (RHE) and for the OER with a potential of 1.65 V versus RHE to obtain 10 mA cm-2 current density in 0.1 M KOH. A Zn-air battery assembled from (Co-P)0.5(Fe-P)0.5@CNT exhibited a small charge-discharge voltage gap of 0.74 V at 2 mA cm-2, a high power density of 174.5 mW cm-2 and a good rechargeable stability (>120 cycles).
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Affiliation(s)
- 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.
| | - Qingxin 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.
| | - Yabo 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.
| | - Yimei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Yanzhi 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.
| | - 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.
| | - 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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252
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Li K, Teng C, Wang S, Min Q. Recent Advances in TiO 2-Based Heterojunctions for Photocatalytic CO 2 Reduction With Water Oxidation: A Review. Front Chem 2021; 9:637501. [PMID: 33937191 PMCID: PMC8082425 DOI: 10.3389/fchem.2021.637501] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 02/01/2021] [Indexed: 11/13/2022] Open
Abstract
Photocatalytic conversion of CO2 into solar fuels has gained increasing attention due to its great potential for alleviating the energy and environmental crisis at the same time. The low-cost TiO2 with suitable band structure and high resistibility to light corrosion has proven to be very promising for photoreduction of CO2 using water as the source of electrons and protons. However, the narrow spectral response range (ultraviolet region only) as well as the rapid recombination of photo-induced electron-hole pairs within pristine TiO2 results in the low utilization of solar energy and limited photocatalytic efficiency. Besides, its low selectivity toward photoreduction products of CO2 should also be improved. Combination of TiO2 with other photoelectric active materials, such as metal oxide/sulfide semiconductors, metal nanoparticles and carbon-based nanostructures, for the construction of well-defined heterostructures can enhance the quantum efficiency significantly by promoting visible light adsorption, facilitating charge transfer and suppressing the recombination of charge carriers, resulting in the enhanced photocatalytic performance of the composite photocatalytic system. In addition, the adsorption and activation of CO2 on these heterojunctions are also promoted, therefore enhancing the turnover frequency (TOF) of CO2 molecules, so as to the improved selectivity of photoreduction products. This review focus on the recent advances of photocatalytic CO2 reduction via TiO2-based heterojunctions with water oxidation. The rational design, fabrication, photocatalytic performance and CO2 photoreduction mechanisms of typical TiO2-based heterojunctions, including semiconductor-semiconductor (S-S), semiconductor-metal (S-M), semiconductor-carbon group (S-C) and multicomponent heterojunction are reviewed and discussed. Moreover, the TiO2-based phase heterojunction and facet heterojunction are also summarized and analyzed. In the end, the current challenges and future prospects of the TiO2-based heterostructures for photoreduction of CO2 with high efficiency, even for practical application are discussed.
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Affiliation(s)
- Kai Li
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen, China.,State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Chao Teng
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen, China
| | - Shuang Wang
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen, China.,College of Engineering and Applied Sciences, Nanjing University, Nanjing, China
| | - Qianhao Min
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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253
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Tung CW, Tso CH, Chen BY, Chu H, Hou CH, Chen HC, Chang MC, Shyue JJ, Lin PH, Chen HM. Heterocyclic-Additive-Activated Dinuclear Dysprosium Electrocatalysts for Heterogeneous Water Oxidation. Inorg Chem 2021; 60:6930-6938. [PMID: 33792308 DOI: 10.1021/acs.inorgchem.1c00209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Heterogeneous catalysis based on air-stable lanthanide complexes is relatively rare, especially for electrochemical water oxidation and reduction. Therefore, it is highly desired to investigate the synergy caused by cocatalysts on the lanthanide complex family for heterogeneous catalysis because of their structural diversity, air/moisture insensitivity, and easy preparation under an air atmosphere. Two mononuclear and three dinuclear dysprosium complexes containing a series of Schiff-base ligands have been demonstrated as robust electrocatalysts for triggering heterogeneous water oxidation in alkaline solution, in which the complex [Dy2(hmb)2(OAc)4]·MeCN(3) was revealed to have the best activity toward heterogeneous water oxidation among all five complexes in the present study. The molecular activation of dysprosium complexes has also been investigated with a series of N-containing heterocyclic additives [i.e., 4-(dimethylamino)pyridine (DMAP), bis(triphenylphosphine)iminium chloride ([PPN]Cl), indole, and quinoline]. In particular, the corresponding overpotential was effectively enhanced by 211 mV (at a current density of 10 mA cm-2) with the assistance of DMAP. On the basis of electrochemical and ex situ/in situ spectroscopic investigations, the best catalyst, DMAP-complex 3 on a carbon paper electrode, was confirmed with well-maintained molecular identity during heterogeneous water oxidation free of forming any dysprosium oxide and/or undesired products.
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Affiliation(s)
- Ching-Wei Tung
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Cheng-Han Tso
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Bo-Yi Chen
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Hang Chu
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Cheng-Hung Hou
- Research Center for Applied Sciences, Academia Sinica, Taipei 106, Taiwan
| | - Hsiao-Chien Chen
- Center for Reliability Science and Technologies, Chang Gung University, Taoyuan 333, Taiwan
| | - Mu-Chieh Chang
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
| | - Jing-Jong Shyue
- Research Center for Applied Sciences, Academia Sinica, Taipei 106, Taiwan
| | - Po-Heng Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Hao Ming Chen
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
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254
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Chitta R, Badgurjar D, Reddy G, Jain K, Karla VR, Boligorla A, Giribabu L. Light-induced energy transfer followed by electron transfer in axially co-ordinated benzothiazole tethered zinc porphyrin-fullero[C60/C70]pyrrolidine triads. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s1088424621500395] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Benzothiazole (BTZ)-zinc porphyrin (ZnP) dyads, Dyad-1 and Dyad-2 connected together with two different spacers, ester and ethoxy esters, were synthesized and light induced energy and electron transfer events were investigated. Within these dyads, due to the spectral overlap of the BTZ emission with the ZnP absorption, a selective photoexcitation of BTZ at 325 nm resulted in the photo-induced energy transfer (PEnT) from 1BTZ* to ZnP displaying the quenching of the BTZ emission followed by the concurrent appearance of the ZnP emission at 600 and 650 nm suggesting the formation of the 1ZnP* [Formula: see text]. 1BTZ*-ZnP [Formula: see text] BTZ-1ZnP*. When the dyads are titrated with imidazole appended fullero[C[Formula: see text]/C[Formula: see text]]pyrrolidines, four supramolecular triads, involving the axial co-ordination of the imidazole to the zinc center of the ZnP, were formed and the assembly formation was systematically monitored by the optical absorption technique. Cyclic voltammetry and the density functional theory calculations have revealed that, in these triads, the zinc porphyrin acts as an electron donor and fullerene moiety as the electron acceptor. Steady state fluorescence studies revealed that, upon selective excitation of the ZnP moiety at 550 nm, the emission of ZnP at 600 and 650 nm was quenched revealing the occurrence of photo-induced electron transfer (PET) from 1ZnP* to fullerene moiety leading to the formation of charge separated state [Formula: see text]. BTZ-1ZnP* : (ImC[Formula: see text] BTZ-ZnP[Formula: see text]:(ImC[Formula: see text]. More importantly, when the supramolecular triads were excited at 325 nm, the wavelength at which the BTZ absorbs predominantly, the emission of the BTZ moiety which was quenched due to PEnT from 1BTZ* to ZnP followed by the PET from 1ZnP* to fullerene indicates the probability of occurrence of 1BTZ*-ZnP:(ImC[Formula: see text] [Formula: see text] BTZ-1ZnP*[Formula: see text]: (ImC[Formula: see text] BTZ-ZnP[Formula: see text]:(ImC[Formula: see text].
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Affiliation(s)
- Raghu Chitta
- Department of Chemistry, School of Chemical Sciences & Pharmacy, Central University of Rajasthan, Tehsil: Kishangarh, Dist. Ajmer, Rajasthan — 305817, India
- Department of Chemistry, National Institute of Technology Warangal, Hanamkona, Warangal — 506004, India
| | - Deepak Badgurjar
- Department of Chemistry, School of Chemical Sciences & Pharmacy, Central University of Rajasthan, Tehsil: Kishangarh, Dist. Ajmer, Rajasthan — 305817, India
| | - Govind Reddy
- Polymer and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Kanika Jain
- Department of Chemistry, School of Chemical Sciences & Pharmacy, Central University of Rajasthan, Tehsil: Kishangarh, Dist. Ajmer, Rajasthan — 305817, India
| | - Vijendar Reddy Karla
- Department of Chemistry, National Institute of Technology Warangal, Hanamkona, Warangal — 506004, India
| | - Anjaiah Boligorla
- Department of Chemistry, National Institute of Technology Warangal, Hanamkona, Warangal — 506004, India
| | - Lingamallu Giribabu
- Polymer and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, New Delhi 201002, India
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255
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Mikata Y, Kuroda Y, Naito K, Murakami K, Yamamoto C, Yabe S, Yonemura S, Matsumoto A, Katano H. Structure and electrochemical properties of (μ-O) 2Mn 2(iii,iii) and (μ-O) 2Mn 2(iii,iv) complexes supported by pyridine-, quinoline-, isoquinoline- and quinoxaline-based tetranitrogen ligands. Dalton Trans 2021; 50:4133-4144. [PMID: 33729253 DOI: 10.1039/d1dt00184a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Seven new bis(μ-oxo)dimanganese complexes with Mn2(iii,iii) or Mn2(iii,iv) oxidation states were prepared using quinoline- and isoquinoline-based tetraamine ligands. The structures of the ligands include ethylenediamine, trans-1,2-cyclohexanediamine and tripodal amine, bearing two or three nitrogen-containing heteroaromatics. Regardless of the skeleton and number of aliphatic nitrogen atoms in the ligands, quinoline complexes stabilize the Mn2(iii,iii) oxidation state, whereas, isoquinoline ligands afford Mn2(iii,iv) complexes. A systematic comparison of the differences in structural parameters and redox potentials of a total of 14 complexes with a (μ-O)2Mn2 diamond core, which includes corresponding pyridine and quinoxaline derivatives as supporting ligands, highlights the distinct deviation of quinoline and tripodal amine motifs in this ligand series.
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Affiliation(s)
- Yuji Mikata
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan.
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256
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Iwami H, Okamura M, Kondo M, Masaoka S. Electrochemical Polymerization Provides a Function-Integrated System for Water Oxidation. Angew Chem Int Ed Engl 2021; 60:5965-5969. [PMID: 33258167 DOI: 10.1002/anie.202015174] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Indexed: 11/05/2022]
Abstract
Water oxidation is a key reaction in natural and artificial photosynthesis. In nature, the reaction is efficiently catalyzed by a metal-complex-based catalyst surrounded by hole-transporting amino acid residues. However, in artificial systems, there is no example of a water oxidation system that has a catalytic center surrounded by hole transporters. Herein, we present a facile strategy to integrate catalytic centers and hole transporters in one system. Electrochemical polymerization of a metal-complex-based precursor afforded a polymer-based material (Poly-1). Poly-1 exhibited excellent hole-transporting ability and catalyzed water oxidation with high performance. It was also revealed that the catalytic activity was almost completely suppressed in the absence of the hole-transporting moieties. The present study provides a novel strategy for constructing efficient molecule-based systems for water oxidation.
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Affiliation(s)
- Hikaru Iwami
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi, 444-8787, Japan.,Department of Structural Molecular Sciences, SOKENDAI (The Graduate University for Advanced Studies), Shonan village, Hayama, Kanagawa, 240-0193, Japan
| | - Masaya Okamura
- Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi, 444-8787, Japan
| | - Mio Kondo
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,JST, PRESTO, 4-1-8 Honcho, Kawaguchi, 332-0012, Japan.,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, 565-0871, Japan
| | - Shigeyuki Masaoka
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, 565-0871, Japan
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257
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Iwami H, Okamura M, Kondo M, Masaoka S. Electrochemical Polymerization Provides a Function‐Integrated System for Water Oxidation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015174] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hikaru Iwami
- Division of Applied Chemistry Graduate School of Engineering Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
- Department of Life and Coordination-Complex Molecular Science Institute for Molecular Science (IMS) 5-1 Higashiyama, Myodaiji Okazaki Aichi 444-8787 Japan
- Department of Structural Molecular Sciences SOKENDAI (The Graduate University for Advanced Studies), Shonan village Hayama Kanagawa 240-0193 Japan
| | - Masaya Okamura
- Department of Life and Coordination-Complex Molecular Science Institute for Molecular Science (IMS) 5-1 Higashiyama, Myodaiji Okazaki Aichi 444-8787 Japan
| | - Mio Kondo
- Division of Applied Chemistry Graduate School of Engineering Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
- JST PRESTO 4-1-8 Honcho Kawaguchi 332-0012 Japan
- Innovative Catalysis Science Division Institute for Open and Transdisciplinary Research Initiatives (OTRI) Osaka University, Suita Osaka 565-0871 Japan
| | - Shigeyuki Masaoka
- Division of Applied Chemistry Graduate School of Engineering Osaka University 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
- Innovative Catalysis Science Division Institute for Open and Transdisciplinary Research Initiatives (OTRI) Osaka University, Suita Osaka 565-0871 Japan
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258
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Bold S, Massin J, Giannoudis E, Koepf M, Artero V, Dietzek B, Chavarot-Kerlidou M. Spectroscopic Investigations Provide a Rationale for the Hydrogen-Evolving Activity of Dye-Sensitized Photocathodes Based on a Cobalt Tetraazamacrocyclic Catalyst. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05033] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sebastian Bold
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena (Leibniz-IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Julien Massin
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Emmanouil Giannoudis
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Matthieu Koepf
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Vincent Artero
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Benjamin Dietzek
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
- Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena (Leibniz-IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Philosophenweg 8, 07743 Jena, Germany
| | - Murielle Chavarot-Kerlidou
- Laboratoire de Chimie et Biologie des Métaux, Univ.́ Grenoble Alpes, CNRS, CEA, IRIG, 17 rue des Martyrs, F-38000 Grenoble, France
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259
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Zhang G, Wang Z, Wu J. Construction of a Z-scheme heterojunction for high-efficiency visible-light-driven photocatalytic CO 2 reduction. NANOSCALE 2021; 13:4359-4389. [PMID: 33621289 DOI: 10.1039/d0nr08442e] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The continuous growth of fossil fuel consumption and large amounts of CO2 emissions have caused global energy crisis and climate change. The employment of semiconductor photocatalysts to convert CO2 into value-added products has attracted extensive attention and research worldwide in recent years. However, it is difficult for a single-component semiconductor photocatalyst to achieve this goal efficiently due to its drawbacks, such as low quantum efficiency, limited surface area, limited number of active sites, the short lifetime of photogenerated carriers, poor long-term stability, and the weak redox ability of carriers. Fortunately, inspired by photosynthesis, the construction of an artificial Z-scheme heterojunction has brought a new dawn for the realization of this goal. The Z-scheme heterojunction has a high separation efficiency of electron-hole pairs with strong redox ability and a wide light response range. The abovementioned advantages make the Z-scheme heterojunction provide a great opportunity for the conversion of CO2 to value-added chemicals. This review concisely reports the progress of the Z-scheme heterojunction in the field of photocatalytic CO2 reduction in recent years, photocatalytic mechanism, choice of oxidation and reduction systems, strategies for improving efficiency, confirmation of the Z-scheme charge transport mechanism, problems and challenges, and the prospects for the future.
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Affiliation(s)
- Guoqiang Zhang
- CAS Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiqi Wang
- CAS Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
| | - Jinhu Wu
- CAS Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
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260
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Liang Z, Guo H, Zhou G, Guo K, Wang B, Lei H, Zhang W, Zheng H, Apfel U, Cao R. Metal–Organic‐Framework‐Supported Molecular Electrocatalysis for the Oxygen Reduction Reaction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016024] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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
| | - Hongbo Guo
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 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
| | - Kai Guo
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
| | - Bin 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
| | - 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
| | - 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
| | - 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
| | - Ulf‐Peter Apfel
- Ruhr-Universität Bochum Fakultät für Chemie und Biochemie Anorganische Chemie I Universitätsstrasse 150 44801 Bochum Germany
- Fraunhofer UMSICHT Energy Division Osterfelder Strasse 3 46047 Oberhausen Germany
| | - 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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261
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Liang Z, Guo H, Zhou G, Guo K, Wang B, Lei H, Zhang W, Zheng H, Apfel UP, Cao R. Metal-Organic-Framework-Supported Molecular Electrocatalysis for the Oxygen Reduction Reaction. Angew Chem Int Ed Engl 2021; 60:8472-8476. [PMID: 33484092 DOI: 10.1002/anie.202016024] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Indexed: 12/15/2022]
Abstract
Synthesizing molecule@support hybrids is appealing to improve molecular electrocatalysis. We report herein metal-organic framework (MOF)-supported Co porphyrins for the oxygen reduction reaction (ORR) with improved activity and selectivity. Co porphyrins can be grafted on MOF surfaces through ligand exchange. A variety of porphyrin@MOF hybrids were made using this method. Grafted Co porphyrins showed boosted ORR activity with large (>70 mV) anodic shift of the half-wave potential compared to ungrafted porphyrins. By using active MOFs for peroxide reduction, the number of electrons transferred per O2 increased from 2.65 to 3.70, showing significantly improved selectivity for the 4e ORR. It is demonstrated that H2 O2 generated from O2 reduction at Co porphyrins is further reduced at MOF surfaces, leading to improved 4e ORR. As a practical demonstration, these hybrids were used as air electrode catalysts in Zn-air batteries, which exhibited equal performance to that with Pt-based materials.
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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
| | - Hongbo Guo
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, 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
| | - Kai Guo
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Bin 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
| | - 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
| | - 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
| | - 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
| | - Ulf-Peter Apfel
- Ruhr-Universität Bochum, Fakultät für Chemie und Biochemie, Anorganische Chemie I, Universitätsstrasse 150, 44801, Bochum, Germany.,Fraunhofer UMSICHT, Energy Division, Osterfelder Strasse 3, 46047, Oberhausen, Germany
| | - 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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262
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Recent progress in homogeneous light-driven hydrogen evolution using first-row transition metal catalysts. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.119950] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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263
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Abstract
In neutral medium (pH 7.0) [RuIIIRuII(µ-CO3)4(OH)]4− undergoes one electron oxidation to form [RuIIIRuIII(µ-CO3)4(OH)2]4− at an E1/2 of 0.85 V vs. NHE followed by electro-catalytic water oxidation at a potential ≥1.5 V. When the same electrochemical measurements are performed in bicarbonate medium (pH 8.3), the complex first undergoes one electron oxidation at an Epa of 0.86 V to form [RuIIIRuIII(µ-CO3)4(OH)2]4−. This complex further undergoes two step one electron oxidations to form RuIVRuIII and RuIVRuIV species at potentials (Epa) 1.18 and 1.35 V, respectively. The RuIVRuIII and RuIVRuIV species in bicarbonate solutions are [RuIVRuIII(µ-CO3)4(OH)(CO3)]4− and [RuIVRuIV(µ-CO3)4(O)(CO3)]4− based on density functional theory (DFT) calculations. The formation of HCO4− in the course of the oxidation has been demonstrated by DFT. The catalyst acts as homogeneous water oxidation catalyst, and after long term chronoamperometry, the absorption spectra does not change significantly. Each step has been found to follow a proton coupled electron transfer process (PCET) as obtained from the pH dependent studies. The catalytic current is found to follow linear relation with the concentration of the catalyst and bicarbonate. Thus, bicarbonate is involved in the catalytic process that is also evident from the generation of higher oxidation peaks in cyclic voltammetry. The detailed mechanism has been derived by DFT. A catalyst with no organic ligands has the advantage of long-time stability.
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264
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Edwards EH, Jelušić J, Chakraborty S, Bren KL. Photochemical hydrogen evolution from cobalt microperoxidase-11. J Inorg Biochem 2021; 217:111384. [PMID: 33588276 DOI: 10.1016/j.jinorgbio.2021.111384] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/27/2020] [Accepted: 01/26/2021] [Indexed: 12/24/2022]
Abstract
A photochemical system utilizing the semisynthetic biomolecular catalyst acetylated cobalt microperoxidase-11 (CoMP11-Ac) along with [Ru(bpy)3]2+ as a photosensitizer and ascorbic acid as an electron donor is shown to generate hydrogen from water in a visible light-driven reaction. The reductive quenching pathway facilitated by photoexcited [Ru(bpy)3]2+ overcomes the high overpotential observed for CoMP11-Ac in electrocatalysis, yielding turnover numbers ranging from 606 to 2390 (2 μM - 0.1 μM CoMP11-Ac). The longevity of CoMP11-Ac in the photochemical system, sustaining catalysis for over 20 h, is in contrast to its previously reported behavior in an electrochemical system where catalysis slows after 15 min. Proton reduction turnover number and rate are highest at a neutral pH, a rare feature among cobalt catalysts in similar photochemical systems, which typically function best under acidic conditions. Incorporating biomolecular components into the design of catalysts for photochemical systems may address the need for hydrogen generation from neutral-pH water sources.
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Affiliation(s)
- Emily H Edwards
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States of America.
| | - Jana Jelušić
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States of America.
| | - Saikat Chakraborty
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States of America.
| | - Kara L Bren
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States of America.
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265
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Pearson JW, Endean RT, Rasu L, Bergens SH. Investigation into the properties of a ruthenium(polypyridyl)-NHC compound. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The asymmetric imidazolium salt [Ru(dmbpy)2(bpip)](PF6)3 (bpip = 1-benzyl-3-isopropyl-1H-imidazo[4,5-f][1,10]phenanthrolinium) was prepared by a four-step synthetic route. The isotopomer labelled with 13C at the C2 position of bpip was prepared from 1,10-phenanthroline-5,6-diamine and triethyl orthoformate-(formyl-13C). Deprotonation at low temperatures in acetonitrile using KO t Bu and KHMDS were monitored by NMR to investigate the formation of the free N-heterocyclic carbene.
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Affiliation(s)
- James W. Pearson
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Riley T. Endean
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Loorthuraja Rasu
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Steven H. Bergens
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
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266
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Guo X, Liu L, Xiao Y, Mehmood R, Xiao Y, Qi Y, Zhang F. Water-Stable Cobalt-Based MOF for Water Oxidation in Neutral Aqueous Solution: A Case of Mimicking the Photosystem II. Inorg Chem 2021; 60:1790-1796. [PMID: 33471516 DOI: 10.1021/acs.inorgchem.0c03265] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Inspired by the highly efficient water oxidation of Mn4CaO5 in natural photosynthesis, development of novel artificial water oxidation catalysts (WOCs) with structure and function mimicked has inspired extensive interests. A novel 3D cobalt-based MOF (GXY-L8-Co) was synthesized for promising artificial water oxidation by employing the Co4O4 quasi-cubane motifs with a similar structure as the Mn4CaO5 as the core. The GXY-L8-Co not only shows good chemical stability in common organic solvents or water for up to 10 days but also exhibits oxygen evolution performance. It has been demonstrated that the uniform distribution of Co4O4 catalytic active sites confined in the MOF framework should be responsible for the good robustness and catalytic performance.
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Affiliation(s)
- Xiangyang Guo
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Lifang Liu
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yu Xiao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Rashid Mehmood
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yejun Xiao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yu Qi
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Fuxiang Zhang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, the Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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267
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Vidal A, Adamo F, Iengo E, Alessio E. Models of molecular photocatalysts for water oxidation: Strategies for conjugating the Ru(bda) fragment (bda = 2,2′-bipyridine-6,6′-dicarboxylate) to porphyrin photosensitizers. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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268
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Ghosh AC, Duboc C, Gennari M. Synergy between metals for small molecule activation: Enzymes and bio-inspired complexes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213606] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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269
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Decavoli C, Boldrini CL, Trifiletti V, Luong S, Fenwick O, Manfredi N, Abbotto A. Dye-catalyst dyads for photoelectrochemical water oxidation based on metal-free sensitizers. RSC Adv 2021; 11:5311-5319. [PMID: 35423072 PMCID: PMC8694650 DOI: 10.1039/d0ra10971a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 01/15/2021] [Indexed: 11/23/2022] Open
Abstract
Dye-Sensitized Photoelectrochemical Cells (DS-PECs) have been emerging as promising devices for efficient solar-induced water splitting. In DS-PECs, dyes and catalysts for water oxidation and/or reduction are typically two separate components, thus limiting charge transfer efficiency. A small number of organometallic dyes have been integrated with a catalyst to form an integrated dye–catalyst dyad for photoanodes, but until now no dyads based on metal-free organic dyes have been reported for photoanodes. We herein report the first example of dyad-sensitized photoanodes in DS-PEC water splitting based on metal-free organic dyes and a Ru catalyst. The di-branched donor–π–acceptor dyes carry a donor carbazole moiety which has been functionalized with two different terminal pyridyl ligands in order to coordinate a benchmark Ru complex as a water oxidation catalyst, affording water oxidation dyads. The two dyads have been fully characterized in their optical and electrochemical properties, and XPS has been used to confirm the presence of the catalyst bonded to the dye anchored to the semiconductor anode. The two dyads have been investigated in DS-PEC, showing an excellent faradaic efficiency (88% average across all cells, with a best cell efficiency of 95%), thus triggering new perspectives for the design of efficient molecular dyads based on metal-free dyes for DS-PEC water splitting. Dye–catalyst dyads based on metal-free dyes were prepared for dye-sensitized photoanodes in photoelectrochemical water splitting, showing a top ranked faradaic efficiency for O2 generation up to 95%.![]()
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Affiliation(s)
- Cristina Decavoli
- Department of Materials Science, INSTM Unit, Solar Energy Research Center MIB-SOLAR, University of Milano - Bicocca Via R. Cozzi 55 I-20125 Milano Italy
| | - Chiara L Boldrini
- Department of Materials Science, INSTM Unit, Solar Energy Research Center MIB-SOLAR, University of Milano - Bicocca Via R. Cozzi 55 I-20125 Milano Italy
| | - Vanira Trifiletti
- School of Engineering and Materials Science (SEMS), Queen Mary University of London Mile End Road London E1 4NS UK
| | - Sally Luong
- School of Engineering and Materials Science (SEMS), Queen Mary University of London Mile End Road London E1 4NS UK
| | - Oliver Fenwick
- School of Engineering and Materials Science (SEMS), Queen Mary University of London Mile End Road London E1 4NS UK
| | - Norberto Manfredi
- Department of Materials Science, INSTM Unit, Solar Energy Research Center MIB-SOLAR, University of Milano - Bicocca Via R. Cozzi 55 I-20125 Milano Italy
| | - Alessandro Abbotto
- Department of Materials Science, INSTM Unit, Solar Energy Research Center MIB-SOLAR, University of Milano - Bicocca Via R. Cozzi 55 I-20125 Milano Italy
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270
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Shirley H, Sexton TM, Liyanage NP, Perkins MA, Autry SA, McNamara LE, Hammer NI, Parkin SR, Tschumper GS, Delcamp JH. Probing the Effects of Electron Deficient Aryl Substituents and a π‐System Extended NHC Ring on the Photocatalytic CO
2
Reduction Reaction with Re‐pyNHC‐Aryl Complexes**. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202000296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hunter Shirley
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Thomas More Sexton
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Nalaka P. Liyanage
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Morgan A. Perkins
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Shane A. Autry
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Louis E. McNamara
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Nathan I. Hammer
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Sean R. Parkin
- Department of Chemistry University of Kentucky 125 Chemistry/Physics Building Lexington KY 40506–0055 USA
| | - Gregory S. Tschumper
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
| | - Jared H. Delcamp
- Department of Chemistry and Biochemistry University of Mississippi 322 Coulter Hall University MS 38677–1848 USA
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271
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Loipersberger M, Cabral DGA, Chu DBK, Head-Gordon M. Mechanistic Insights into Co and Fe Quaterpyridine-Based CO 2 Reduction Catalysts: Metal-Ligand Orbital Interaction as the Key Driving Force for Distinct Pathways. J Am Chem Soc 2021; 143:744-763. [PMID: 33400528 DOI: 10.1021/jacs.0c09380] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Both [CoII(qpy)(H2O)2]2+ and [FeII(qpy)(H2O)2]2+ (with qpy = 2,2':6',2″:6'',2‴-quaterpyridine) are efficient homogeneous electrocatalysts and photoelectrocatalysts for the reduction of CO2 to CO. The Co catalyst is more efficient in the electrochemical reduction, while the Fe catalyst is an excellent photoelectrocatalyst ( ACS Catal. 2018, 8, 3411-3417). This work uses density functional theory to shed light on the contrasting catalytic pathways. While both catalysts experience primarily ligand-based reductions, the second reduction in the Co catalyst is delocalized onto the metal via a metal-ligand bonding interaction, causing a spin transition and a distorted ligand framework. This orbital interaction explains the experimentally observed mild reduction potential and slow kinetics of the second reduction. The decreased hardness and doubly occupied dz2-orbital facilitate a σ-bond with the CO2-π* in an η1-κC binding mode. CO2 binding is only possible after two reductions resulting in an EEC mechanism (E = electron transfer, C = chemical reaction), and the second protonation is rate-limiting. In contrast, the Fe catalyst maintains a Lewis acidic metal center throughout the reduction process because the metal orbitals do not strongly mix with the qpy-π* orbitals. This allows binding of the activated CO2 in an η2-binding mode. This interaction stabilizes the activated CO2 via a π-type interaction of a Fe-t2g orbital and the CO2-π* and a dative bond of the oxygen lone pair. This facilitates CO2 binding to a singly reduced catalyst resulting in an ECE mechanism. The barrier for CO2 addition and the second protonation are higher than those for the Co catalyst and rate-limiting.
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Affiliation(s)
- Matthias Loipersberger
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Delmar G A Cabral
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Daniel B K Chu
- Department of Chemical Engineering, University of California, Santa Barbara, California 93106, United States
| | - Martin Head-Gordon
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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272
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Peerakiatkhajohn P, Yun JH, Butburee T, Chen H, Thaweesak S, Lyu M, Wang S, Wang L. Bifunctional photoelectrochemical process for humic acid degradation and hydrogen production using multi-layered p-type Cu 2O photoelectrodes with plasmonic Au@TiO 2. JOURNAL OF HAZARDOUS MATERIALS 2021; 402:123533. [PMID: 32758999 DOI: 10.1016/j.jhazmat.2020.123533] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/16/2020] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Bifunctional photoelectrochemical (PEC) process for simultaneous hydrogen production and mineralisation of humic acid in water using TiO2-1 wt% Au@TiO2/Al2O3/Cu2O multi-layered p-type photoelectrodes is demonstrated. The newly designed bifunctional PEC system leads to a high degradation efficiency of dissolved humic compounds, the target pollutant, by up to 87% during 2 h reaction time. Simultaneously, humic acid is also served as a sacrificial electron donor in the proposed system, contributing to a high photocurrent density of the multi-layered p-type Cu2O photoelectrodes up to -6.32 mA cm-2 at 0 V vs. Reversible Hydrogen Electrode (RHE) under the AM 1.5 simulated 1-Sun solar illumination. The Z-scheme feature of this bifunctional PEC devices exhibiting a short-circuit photocurrent density of -0.45 mA cm-2 and solar-to-hydrogen conversion (STH) of 0.5 % in the presence of humic acid sheds light on the new bias-free artificial photosynthesis PEC system.
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Affiliation(s)
- Piangjai Peerakiatkhajohn
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia; Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Jung-Ho Yun
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia.
| | - Teera Butburee
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia; National Nanotechnology Center, National Science and Technology Development Agency, 111 Thailand Science Park, Pathum Thani, 12120, Thailand
| | - Hongjun Chen
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia; Nanotechnology Research Laboratory, Research School of Engineering, The Australian National University, Canberra, ACT, 2601, Australia
| | - Supphasin Thaweesak
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia; Department of Chemical Engineering, Faculty of Engineering, Burapha University, Chon Buri, 20131, Thailand
| | - Miaoqiang Lyu
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia
| | - Songcan Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia; Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Lianzhou Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD, 4123, Australia.
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273
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Nguyen NP, Wadsworth BL, Nishiori D, Reyes Cruz EA, Moore GF. Understanding and Controlling the Performance-Limiting Steps of Catalyst-Modified Semiconductors. J Phys Chem Lett 2021; 12:199-203. [PMID: 33325709 DOI: 10.1021/acs.jpclett.0c02386] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Understanding and controlling factors that restrict the rates of fuel-forming reactions are essential to designing effective catalyst-modified semiconductors for applications in solar-to-fuel technologies. Herein, we describe GaAs semiconductors featuring a polymeric coating that contains cobaloxime-type catalysts for photoelectrochemically powering hydrogen production. The activities of these electrodes (limiting current densities >20 mA cm-2 under 1-sun illumination) enable identification of fundamental performance-limiting bottlenecks encountered at relatively high rates of fuel formation. Experiments conducted under varying bias potential, pH, illumination intensity, and scan rate reveal two distinct mechanisms of photoelectrochemical hydrogen production. At relatively low polarization and pH, the limiting photoactivity is independent of illumination conditions and is attributed to a mechanism involving reduction of substrate protons. At relatively high polarization or pH, the limiting photoactivity shows a linear response to increasing photon flux and is attributed to a mechanism involving reduction of substrate water. This work illustrates the complex interplay between transport of photons, electrons, and chemical substrates in photoelectrosynthetic reactions and highlights diagnostic tools for better understanding these processes.
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Affiliation(s)
- Nghi P Nguyen
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Brian L Wadsworth
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Daiki Nishiori
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Edgar A Reyes Cruz
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Gary F Moore
- School of Molecular Sciences and the Biodesign Institute Center for Applied Structural Discovery (CASD), Arizona State University, Tempe, Arizona 85287-1604, United States
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274
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Zhang L, Mathew S, Hessels J, Reek JNH, Yu F. Homogeneous Catalysts Based on First-Row Transition-Metals for Electrochemical Water Oxidation. CHEMSUSCHEM 2021; 14:234-250. [PMID: 32991076 PMCID: PMC7820963 DOI: 10.1002/cssc.202001876] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/17/2020] [Indexed: 05/06/2023]
Abstract
Strategies that enable the renewable production of storable fuels (i. e. hydrogen or hydrocarbons) through electrocatalysis continue to generate interest in the scientific community. Of central importance to this pursuit is obtaining the requisite chemical (H+ ) and electronic (e- ) inputs for fuel-forming reduction reactions, which can be met sustainably by water oxidation catalysis. Further possibility exists to couple these redox transformations to renewable energy sources (i. e. solar), thus creating a carbon neutral solution for long-term energy storage. Nature uses a Mn-Ca cluster for water oxidation catalysis via multiple proton-coupled electron-transfers (PCETs) with a photogenerated bias to perform this process with TOF 100∼300 s-1 . Synthetic molecular catalysts that efficiently perform this conversion commonly utilize rare metals (e. g., Ru, Ir), whose low abundance are associated to higher costs and scalability limitations. Inspired by nature's use of 1st row transition metal (TM) complexes for water oxidation catalysts (WOCs), attempts to use these abundant metals have been intensively explored but met with limited success. The smaller atomic size of 1st row TM ions lowers its ability to accommodate the oxidative equivalents required in the 4e- /4H+ water oxidation catalysis process, unlike noble metal catalysts that perform single-site electrocatalysis at lower overpotentials (η). Overcoming the limitations of 1st row TMs requires developing molecular catalysts that exploit biomimetic phenomena - multiple-metal redox-cooperativity, PCET and second-sphere interactions - to lower the overpotential, preorganize substrates and maintain stability. Thus, the ultimate goal of developing efficient, robust and scalable WOCs remains a challenge. This Review provides a summary of previous research works highlighting 1st row TM-based homogeneous WOCs, catalytic mechanisms, followed by strategies for catalytic activity improvements, before closing with a future outlook for this field.
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Affiliation(s)
- Lu‐Hua Zhang
- School of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130P. R. China
| | - Simon Mathew
- van't Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Joeri Hessels
- van't Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Joost N. H. Reek
- van't Hoff Institute for Molecular SciencesUniversiteit van AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Fengshou Yu
- School of Chemical Engineering and TechnologyHebei University of TechnologyTianjin300130P. R. China
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275
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Stanley PM, Thomas C, Thyrhaug E, Urstoeger A, Schuster M, Hauer J, Rieger B, Warnan J, Fischer RA. Entrapped Molecular Photocatalyst and Photosensitizer in Metal–Organic Framework Nanoreactors for Enhanced Solar CO2 Reduction. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04673] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Philip M. Stanley
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
- WACKER-Chair of Macromolecular Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Christopher Thomas
- WACKER-Chair of Macromolecular Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Erling Thyrhaug
- Associate Professorship of Dynamic Spectroscopy, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Alexander Urstoeger
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Michael Schuster
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Jürgen Hauer
- Associate Professorship of Dynamic Spectroscopy, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Bernhard Rieger
- WACKER-Chair of Macromolecular Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Julien Warnan
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
| | - Roland A. Fischer
- Chair of Inorganic and Metal-Organic Chemistry, Department of Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstraße 4, Garching 85787, Germany
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276
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Yang C, Wang S, Sai F, Liu D, Sun F, Gu Y, Wu G. Pentanuclear clusters resembling the cubane-dangler connectivity in the native oxygen-evolving center of photosystem II. Chem Commun (Camb) 2021; 57:113-116. [PMID: 33290473 DOI: 10.1039/d0cc07050e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of pentametallic "cubane-plus-dangler" complexes have been target synthesized. Among them, the [Fe3Ni2] aggregate strongly resembled the native oxygen-evolving center by mimicking the "cubane-plus-dangler" skeleton, the aqua binding site, and the connectivity between the pendent ion and the parent cubane. Our synthetic strategy that uses tri-substituted methanol as the "cubane-generator" and carboxylate as the pendant ligand provides a feasible approach for accessing model compounds of biological catalyst systems.
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Affiliation(s)
- Chao Yang
- State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China.
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277
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Loipersberger M, Cabral DGA, Chu DBK, Head-Gordon M. Mechanistic Insights into Co and Fe Quaterpyridine-Based CO 2 Reduction Catalysts: Metal–Ligand Orbital Interaction as the Key Driving Force for Distinct Pathways. J Am Chem Soc 2021. [DOI: 10.1021/jacs.0c09380 and 21=21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Matthias Loipersberger
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Delmar G. A. Cabral
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Daniel B. K. Chu
- Department of Chemical Engineering, University of California, Santa Barbara, California 93106, United States
| | - Martin Head-Gordon
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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278
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Noll N, Würthner F. A Calix[4]arene-Based Cyclic Dinuclear Ruthenium Complex for Light-Driven Catalytic Water Oxidation. Chemistry 2021; 27:444-450. [PMID: 33241573 PMCID: PMC7839772 DOI: 10.1002/chem.202004486] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Indexed: 12/12/2022]
Abstract
A cyclic dinuclear ruthenium(bda) (bda: 2,2'-bipyridine-6,6'-dicarboxylate) complex equipped with oligo(ethylene glycol)-functionalized axial calix[4]arene ligands has been synthesized for homogenous catalytic water oxidation. This novel Ru(bda) macrocycle showed significantly increased catalytic activity in chemical and photocatalytic water oxidation compared to the archetype mononuclear reference [Ru(bda)(pic)2 ]. Kinetic investigations, including kinetic isotope effect studies, disclosed a unimolecular water nucleophilic attack mechanism of this novel dinuclear water oxidation catalyst (WOC) under the involvement of the second coordination sphere. Photocatalytic water oxidation with this cyclic dinuclear Ru complex using [Ru(bpy)3 ]Cl2 as a standard photosensitizer revealed a turnover frequency of 15.5 s-1 and a turnover number of 460. This so far highest photocatalytic performance reported for a Ru(bda) complex underlines the potential of this water-soluble WOC for artificial photosynthesis.
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Affiliation(s)
- Niklas Noll
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Frank Würthner
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Center for Nanosystems Chemistry (CNC)Universität WürzburgTheodor-Boveri-Weg97074WürzburgGermany
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279
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Han L, Peng C, Huang J, Wang S, Zhang X, Chen H, Yang Y. Ultrafast synthesis of near-zero-cost S-doped Ni(OH) 2 on C 3N 5 under ambient conditions with enhanced photocatalytic activity. RSC Adv 2021; 11:36166-36173. [PMID: 35492785 PMCID: PMC9043441 DOI: 10.1039/d1ra07275g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/22/2021] [Indexed: 11/21/2022] Open
Abstract
2D S–Ni(OH)2 is facially planted on 2D C3N5 at room temperature in 30 minutes via a reaction between Ni(NO3)2 and Na2S in aqueous solution. Due to quick internal charge transfer efficiency, the hybrid is highly efficient for photocatalytic H2 production.
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Affiliation(s)
- Lixiao Han
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Cong Peng
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Jinming Huang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Shengyao Wang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Xiaohu Zhang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Hao Chen
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yi Yang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
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280
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Guo X, Li C, Wang W, Zhang B, Hou Y, Wang X, Zhou Q. Electronic effects on polypyridyl Co complex-based water reduction catalysts. RSC Adv 2021; 11:24359-24365. [PMID: 35479006 PMCID: PMC9036631 DOI: 10.1039/d1ra02435c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/06/2021] [Indexed: 12/19/2022] Open
Abstract
Three new isomeric cobalt complexes of TPA (tris(2-pyridylmethyl)amine) based on methoxy substitution at the ortho, meta and para positions, respectively, were constructed and their photocatalytic proton reduction efficiencies were compared. It was found that there are good linear correlations with the Hammett constants of the substituents for the computed Co–N bond lengths, redox potentials of CoII/I and CoI/0 events, and the photocatalytic activities of the complexes. The ortho-substituted Co complex distinguished itself from the others remarkably in all these comparisons, demonstrating the presence of a steric effect besides the electronic effect. For other examined complexes, a stronger electron-donating substituent may lead to a higher hydrogen evolution efficiency, suggesting that the formation of a Co(iii) hydride intermediate is the rate-limiting step. Three isomeric Co complexes showed a significant substituent electronic effect in photocatalytic hydrogen production.![]()
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Affiliation(s)
- Xusheng Guo
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Chao Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Weibo Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Baowen Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Yuanjun Hou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Xuesong Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
| | - Qianxiong Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Science
- Beijing 100190
- P. R. China
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281
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Singh K, S. V, Adhikari D. Visible light photoredox by a ( ph,ArNacNac) 2Zn photocatalyst: photophysical properties and mechanistic understanding. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01466d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A zinc photocatalyst has been developed that shows a ligand-centered, long-lived excited state. Under blue light irradiation, it catalyses ATRA type reactions with styrenes.
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Affiliation(s)
- Kirti Singh
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Mohali
- India
| | - Vidhyalakshmi S.
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Mohali
- India
| | - Debashis Adhikari
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Mohali
- India
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282
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Tu QQ, Ren LL, Cheng AL, Gao EQ. Fabrication of a dual-emitting RhB@Zn-1composite as a recyclable luminescent sensor for sensitive detection of nitrofuran antibiotics. CrystEngComm 2021. [DOI: 10.1039/d0ce01483d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel dual-emittingRhB@Zn-1composite was fabricated by encapsulating RhB into the channels ofZn-1, which can serve as a recyclable sensor for sensitive and selective detection of nitrofuran antibioticsviathe luminescence quenching process.
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Affiliation(s)
- Qian-Qian Tu
- College of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200240
- People's Republic of China
| | - Ling-Ling Ren
- College of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200240
- People's Republic of China
| | - Ai-Ling Cheng
- College of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200240
- People's Republic of China
| | - En-Qing Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- College of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai 200062
- People's Republic of China
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283
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Li H, Xing C, Huo W, Zhao J, Hao Y, Hu Z. Photoelectric conversion based on peptide–porphyrin conjugates assembled hydrogel. NEW J CHEM 2021. [DOI: 10.1039/d1nj00573a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Peptide–porphyrin conjugates facilitated porphyrin to participate in the assembly of hydrogel, improving the utilization of porphyrin and photoelectric conversion efficiency.
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Affiliation(s)
- Hongfang Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- P. R. China
- School of Chemistry and Chemical Engineering
| | - Cuijuan Xing
- School of Chemistry and Chemical Engineering
- Xingtai University
- Xingtai 054001
- P. R. China
| | - Weitao Huo
- School of Chemistry and Chemical Engineering
- Xingtai University
- Xingtai 054001
- P. R. China
| | - Jun Zhao
- School of Chemistry and Chemical Engineering
- Xingtai University
- Xingtai 054001
- P. R. China
| | - Yongchao Hao
- School of Chemistry and Chemical Engineering
- Xingtai University
- Xingtai 054001
- P. R. China
| | - Zhangji Hu
- School of Chemistry and Chemical Engineering
- Xingtai University
- Xingtai 054001
- P. R. China
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284
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Li J, Triana CA, Wan W, Adiyeri Saseendran DP, Zhao Y, Balaghi SE, Heidari S, Patzke GR. Molecular and heterogeneous water oxidation catalysts: recent progress and joint perspectives. Chem Soc Rev 2021; 50:2444-2485. [DOI: 10.1039/d0cs00978d] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The recent synthetic and mechanistic progress in molecular and heterogeneous water oxidation catalysts highlights the new, overarching strategies for knowledge transfer and unifying design concepts.
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Affiliation(s)
- J. Li
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - C. A. Triana
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - W. Wan
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | | | - Y. Zhao
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - S. E. Balaghi
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - S. Heidari
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - G. R. Patzke
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
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285
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Orio M, Pantazis DA. Successes, challenges, and opportunities for quantum chemistry in understanding metalloenzymes for solar fuels research. Chem Commun (Camb) 2021; 57:3952-3974. [DOI: 10.1039/d1cc00705j] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Overview of the rich and diverse contributions of quantum chemistry to understanding the structure and function of the biological archetypes for solar fuel research, photosystem II and hydrogenases.
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Affiliation(s)
- Maylis Orio
- Aix-Marseille Université
- CNRS
- iSm2
- Marseille
- France
| | - Dimitrios A. Pantazis
- Max-Planck-Institut für Kohlenforschung
- Kaiser-Wilhelm-Platz 1
- 45470 Mülheim an der Ruhr
- Germany
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286
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Wang D, Huang Q, Shi W, You W, Meyer TJ. Application of Atomic Layer Deposition in Dye-Sensitized Photoelectrosynthesis Cells. TRENDS IN CHEMISTRY 2021. [DOI: 10.1016/j.trechm.2020.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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287
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Kranz C, Wächtler M. Characterizing photocatalysts for water splitting: from atoms to bulk and from slow to ultrafast processes. Chem Soc Rev 2021; 50:1407-1437. [DOI: 10.1039/d0cs00526f] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This review provides a comprehensive overview on characterisation techniques for light-driven redox-catalysts highlighting spectroscopic, microscopic, electrochemical and spectroelectrochemical approaches.
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Affiliation(s)
- Christine Kranz
- Ulm University
- Institute of Analytical and Bioanalytical Chemistry
- 89081 Ulm
- Germany
| | - Maria Wächtler
- Leibniz Institute of Photonic Technology
- Department Functional Interfaces
- 07745 Jena
- Germany
- Friedrich Schiller University Jena
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288
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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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289
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Oppelt KT, Sevéry L, Utters M, Tilley SD, Hamm P. Flexible to rigid: IR spectroscopic investigation of a rhenium-tricarbonyl-complex at a buried interface. Phys Chem Chem Phys 2021; 23:4311-4316. [PMID: 33587068 DOI: 10.1039/d0cp06546c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This work explores the solid-liquid interface of a rhenium-tricarbonyl complex embedded in a layer of zirconium oxide deposited by atomic layer deposition (ALD). Time-resolved and steady state infrared spectroscopy were applied to reveal the correlations between the thickness of the ALD layer and the spectroscopic response of the system. We observed a transition of the molecular environment from flexible to rigid, as well as limitations to ligand exchange and excited state quenching on the embedded complexes, when the ALD layer is roughly of the same height as the molecules.
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Affiliation(s)
- Kerstin T Oppelt
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
| | - Laurent Sevéry
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
| | - Mirjam Utters
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
| | - S David Tilley
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
| | - Peter Hamm
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
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290
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Benkó T, Lukács D, Frey K, Németh M, Móricz MM, Liu D, Kováts É, May NV, Vayssieres L, Li M, Pap JS. Redox-inactive metal single-site molecular complexes: a new generation of electrocatalysts for oxygen evolution? Catal Sci Technol 2021. [DOI: 10.1039/d1cy01087e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bypassing the metal-based oxidation in a Cu-containing water oxidation catalytic system.
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Affiliation(s)
- Tímea Benkó
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
| | - Dávid Lukács
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
| | - Krisztina Frey
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
| | - Miklós Németh
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
| | - Márta M. Móricz
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
| | - Dongyu Liu
- International Research Center for Renewable Energy (IRCRE), State Key Laboratory of Multiphase Flow in Power Engineering (MFPE), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Éva Kováts
- Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, Hungary
| | - Nóra V. May
- Centre for Structural Science, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117, Budapest, Hungary
| | - Lionel Vayssieres
- International Research Center for Renewable Energy (IRCRE), State Key Laboratory of Multiphase Flow in Power Engineering (MFPE), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Mingtao Li
- International Research Center for Renewable Energy (IRCRE), State Key Laboratory of Multiphase Flow in Power Engineering (MFPE), Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - József S. Pap
- Centre for Energy Research, Institute for Energy Security and Environmental Safety, Surface Chemistry and Catalysis Department, Konkoly-Thege street 29-33, 1121 Budapest, Hungary
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291
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Lin J, Chen X, Wang N, Liu S, Ruan Z, Chen Y. Electrochemical water oxidation by a copper complex with an N4-donor ligand under neutral conditions. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01183a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mononuclear copper(ii) complex [Cu(H2L)](NO3)2 with an N4-donor redox-active ligand is found to be an efficient homogeneous catalyst for electrochemical water oxidation with the assistance of ligand oxidation.
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Affiliation(s)
- Junqi Lin
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Xin Chen
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Nini Wang
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Shanshan Liu
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Zhijun Ruan
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Yanmei Chen
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
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292
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Du J, Li F, Sun L. Metal–organic frameworks and their derivatives as electrocatalysts for the oxygen evolution reaction. Chem Soc Rev 2021; 50:2663-2695. [DOI: 10.1039/d0cs01191f] [Citation(s) in RCA: 155] [Impact Index Per Article: 51.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review summarizes the recent progress on MOFs and their derivatives used for OER electrocatalysis in terms of their morphology, composition and structure–performance relationship.
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Affiliation(s)
- Jian Du
- State Key Laboratory of Fine Chemicals
- DUT-KTH Joint Education and Research Centre on Molecular Devices
- Dalian University of Technology
- Dalian
- China
| | - Fei Li
- State Key Laboratory of Fine Chemicals
- DUT-KTH Joint Education and Research Centre on Molecular Devices
- Dalian University of Technology
- Dalian
- China
| | - Licheng Sun
- State Key Laboratory of Fine Chemicals
- DUT-KTH Joint Education and Research Centre on Molecular Devices
- Dalian University of Technology
- Dalian
- China
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293
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Weliwatte NS, Grattieri M, Minteer SD. Rational design of artificial redox-mediating systems toward upgrading photobioelectrocatalysis. Photochem Photobiol Sci 2021; 20:1333-1356. [PMID: 34550560 PMCID: PMC8455808 DOI: 10.1007/s43630-021-00099-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 09/03/2021] [Indexed: 12/23/2022]
Abstract
Photobioelectrocatalysis has recently attracted particular research interest owing to the possibility to achieve sunlight-driven biosynthesis, biosensing, power generation, and other niche applications. However, physiological incompatibilities between biohybrid components lead to poor electrical contact at the biotic-biotic and biotic-abiotic interfaces. Establishing an electrochemical communication between these different interfaces, particularly the biocatalyst-electrode interface, is critical for the performance of the photobioelectrocatalytic system. While different artificial redox mediating approaches spanning across interdisciplinary research fields have been developed in order to electrically wire biohybrid components during bioelectrocatalysis, a systematic understanding on physicochemical modulation of artificial redox mediators is further required. Herein, we review and discuss the use of diffusible redox mediators and redox polymer-based approaches in artificial redox-mediating systems, with a focus on photobioelectrocatalysis. The future possibilities of artificial redox mediator system designs are also discussed within the purview of present needs and existing research breadth.
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Affiliation(s)
| | - Matteo Grattieri
- Dipartimento Di Chimica, Università Degli Studi Di Bari “Aldo Moro”, Via E. Orabona 4, 70125 Bari, Italy ,IPCF-CNR Istituto Per I Processi Chimico Fisici, Consiglio Nazionale Delle Ricerche, Via E. Orabona 4, 70125 Bari, Italy
| | - Shelley D. Minteer
- Department of Chemistry, University of Utah, Salt Lake City, UT 84112 USA
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294
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Yamaguchi K, Miyagawa K, Isobe H, Shoji M, Kawakami T, Yamanaka S. Isolobal and isospin analogy between organic and inorganic open-shell molecules—Application to oxygenation reactions by active oxygen and oxy-radicals and water oxidation in the native and artificial photosynthesis. ADVANCES IN QUANTUM CHEMISTRY 2021. [DOI: 10.1016/bs.aiq.2021.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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295
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Straistari T, Morozan A, Shova S, Réglier M, Orio M, Artero V. Catalytic Reduction of Oxygen by a Copper Thiosemicarbazone Complex. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatiana Straistari
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
- Institute of Chemistry. Academy of Sciences of Moldova 3, Academiei street MD 2028 Chisinau Republic of Moldova
| | - Adina Morozan
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
| | - Sergiu Shova
- Institute of Macromolecular Chemistry "Petru Poni" 41A Grigore Ghica Voda Alley 700487 Iasi Romania
| | - Marius Réglier
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
| | - Maylis Orio
- Centrale Marseille, iSm2 Aix‐Marseille Univ., CNRS Marseille France
| | - Vincent Artero
- CEA/IRIG, Laboratoire de Chimie et Biologie des Métaux Univ. Grenoble Alpes, CNRS 17 rue des Martyrs, F‐ 38054 Grenoble cedex 9 France
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296
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Timmer BJJ, Kravchenko O, Zhang B, Liu T, Sun L. Electronic Influence of the 2,2'-Bipyridine-6,6'-dicarboxylate Ligand in Ru-Based Molecular Water Oxidation Catalysts. Inorg Chem 2020; 60:1202-1207. [PMID: 33382240 DOI: 10.1021/acs.inorgchem.0c03339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Water provides an ideal source for the production of protons and electrons required for generation of renewable fuels. Among the most-prominent electrocatalysts capable of water oxidation at low overpotentials are Ru(bda)L2-type catalysts. Although many studies were dedicated to the investigation of the influence of structural variations, the true implication of the bda backbone on catalysis remains mostly unclarified. In this work, we further investigated if electronic effects are contributing to catalysis by Ru(bda)(pic)2 or if the intrinsic catalytic activity mainly originates from the structural features of the ligand. Through introduction of pyrazines in the bda backbone, forming Ru(N1-bda)(pic)2 and Ru(N2-bda)(pic)2, electronic differences were maximized while minimizing changes in the geometry and other intermolecular interactions. Through a combination of electrochemical analysis, chemical oxygen evolution, and density functional theory calculations, we reveal that the catalytic activity is unaffected by the electronic features of the backbone and that the unique bimolecular reactivity of the Ru(bda)L2 family of catalysts thus purely depends on the spatial geometry of the ligand.
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Affiliation(s)
- Brian J J Timmer
- Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
| | - Oleksandr Kravchenko
- Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
| | - Biaobiao Zhang
- Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
| | - Tianqi Liu
- Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden
| | - Licheng Sun
- Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden.,Center of Artificial Photosynthesis for Solar Fuels, School of Science, Westlake University, 310024 Hangzhou, China.,State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), 116024 Dalian, China
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297
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Wu HL, Li XB, Tung CH, Wu LZ. Bioinspired metal complexes for energy-related photocatalytic small molecule transformation. Chem Commun (Camb) 2020; 56:15496-15512. [PMID: 33300513 DOI: 10.1039/d0cc05870j] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioinspired transformation of small-molecules to energy-related feedstocks is an attractive research area to overcome both the environmental issues and the depletion of fossil fuels. The highly effective metalloenzymes in nature provide blueprints for the utilization of bioinspired metal complexes for artificial photosynthesis. Through simpler structural and functional mimics, the representative herein is the pivotal development of several critical small molecule conversions catalyzed by metal complexes, e.g., water oxidation, proton and CO2 reduction and organic chemical transformation of small molecules. Of great achievement is the establishment of bioinspired metal complexes as catalysts with high stability, specific selectivity and satisfactory efficiency to drive the multiple-electron and multiple-proton processes related to small molecule transformation. Also, potential opportunities and challenges for future development in these appealing areas are highlighted.
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Affiliation(s)
- Hao-Lin Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, the Chinese Academy of Sciences, Beijing 100190, P. R. China.
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298
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Lee CH, Yun YJ, Guo J, Chen LX, Mandal BK. Synthesis of a new zinc phthalocyanine–benzoquinone rigid dyad. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424620500510] [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
A new zinc phthalocyanine–benzoquinone rigid dyad, QnZnPc–G[Formula: see text] was synthesized as a model compound to study photo-induced charge separation mimicking natural photosynthesis. Compared to its previously reported analog, this dyad has an additional fused benzene ring between the zinc phthalocyanine (ZnPc) (donor) and benzoquinone (acceptor) moieties. The rigid structure of QnZnPc–G[Formula: see text] ([Formula: see text] no rotamers) is designed to minimize the unusual electronic perturbation induced by the internal motions, which resulted in a significant increase in the lifetime of the charged separated state (from 40 ps to 252 ps). Physical and photochemical properties of this new dyad were examined and discussed in this paper.
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Affiliation(s)
- Chi-Hang Lee
- Department of Chemistry, Illinois Institute of Technology, 3101 S. Dearborn St., Chicago, Illinois 60616, USA
| | - Young Ju Yun
- Department of Chemistry, Illinois Institute of Technology, 3101 S. Dearborn St., Chicago, Illinois 60616, USA
| | - Jianchang Guo
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - Lin X. Chen
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
| | - Braja. K. Mandal
- Department of Chemistry, Illinois Institute of Technology, 3101 S. Dearborn St., Chicago, Illinois 60616, USA
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299
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Walaijai K, Cavill SA, Whitwood AC, Douthwaite RE, Perutz RN. Electrocatalytic Proton Reduction by a Cobalt(III) Hydride Complex with Phosphinopyridine PN Ligands. Inorg Chem 2020; 59:18055-18067. [PMID: 33275426 DOI: 10.1021/acs.inorgchem.0c02505] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cobalt complexes with 2-(diisopropylphosphinomethyl)pyridine (PN) ligands have been synthesized with the aim of demonstrating electrocatalytic proton reduction to dihydrogen with a well-defined hydride complex of an Earth-abundant metal. Reactions of simple cobalt precursors with 2-(diisopropylphosphino-methyl)pyridine (PN) yield [CoII(PN)2(MeCN)][BF4]2 1, [CoIII(PN)2(H)(MeCN)][PF6]2 2, and [CoIII(PN)2(H)(Cl)][PF6] 3. Complexes 1 and 3 have been characterized crystallographically. Unusually for a bidentate PN ligand, all three exhibit geometries with mutually trans phosphorus and nitrogen ligands. Complex 1 exhibits a distorted square-pyramidal geometry with an axial MeCN ligand in a low-spin electronic state. In complexes 2 and 3, the PN ligands lie in a plane leaving the hydride trans to MeCN or chloride, respectively. The redox behavior of the three complexes has been studied by cyclic voltammetry at variable scan rates and by spectroelectrochemistry. A catalytic wave is observed in the presence of trifluoroacetic acid (TFA) at an applied potential close to the Co(II/I) couple of 1. Bulk electrolysis of 1, 2, or 3 at a potential of ca. -1.4 V vs E(Fc+/Fc) in the presence of TFA yields H2 with Faradaic yields close to 100%. A catalytic mechanism is proposed in which the pyridine moiety of a PN ligand acts as a pendant proton donor following opening of the chelate ring. Additional mechanisms may also operate, especially in the presence of high acid concentration where speciation changes.
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Affiliation(s)
- Khanittha Walaijai
- Department of Chemistry, University of York, York YO10 5DD, United Kingdom
| | - Stuart A Cavill
- Department of Physics, University of York, York YO10 5DD, United Kingdom
| | - Adrian C Whitwood
- Department of Chemistry, University of York, York YO10 5DD, United Kingdom
| | | | - Robin N Perutz
- Department of Chemistry, University of York, York YO10 5DD, United Kingdom
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300
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Hessels J, Masferrer‐Rius E, Yu F, Detz RJ, Klein Gebbink RJM, Reek JNH. Nickel is a Different Pickle: Trends in Water Oxidation Catalysis for Molecular Nickel Complexes. CHEMSUSCHEM 2020; 13:6629-6634. [PMID: 33090703 PMCID: PMC7756549 DOI: 10.1002/cssc.202002164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Indexed: 06/11/2023]
Abstract
The development of novel water oxidation catalysts is important in the context of renewable fuels production. Ligand design is one of the key tools to improve the activity and stability of molecular catalysts. The establishment of ligand design rules can facilitate the development of improved molecular catalysts. In this paper it is shown that chemical oxidants can be used to probe oxygen evolution activity for nickel-based systems, and trends are reported that can improve future ligand design. Interestingly, different ligand effects were observed in comparison to other first-row transition metal complexes. For example, nickel complexes with secondary amine donors were more active than with tertiary amine donors, which is the opposite for iron complexes. The incorporation of imine donor groups in a cyclam ligand resulted in the fastest and most durable nickel catalyst of our series, achieving oxygen evolution turnover numbers up to 380 and turnover frequencies up to 68 min-1 in a pH 5.0 acetate buffer using Oxone as oxidant. Initial kinetic experiments with this catalyst revealed a first order in chemical oxidant and a half order in catalyst. This implies a rate-determining oxidation step from a dimeric species that needs to break up to generate the active catalyst. These findings lay the foundation for the rational design of molecular nickel catalysts for water oxidation and highlight that catalyst design rules are not generally applicable for different metals.
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Affiliation(s)
- Joeri Hessels
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van ‘t Hoff Institute for Molecular SciencesUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Eduard Masferrer‐Rius
- Organic Chemistry & Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Fengshou Yu
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van ‘t Hoff Institute for Molecular SciencesUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Remko J. Detz
- Current address: TNO Energy Transition, Energy Transition StudiesRadarweg 601043 NTAmsterdamThe Netherlands
| | - Robertus J. M. Klein Gebbink
- Organic Chemistry & Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Joost N. H. Reek
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van ‘t Hoff Institute for Molecular SciencesUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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