151
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Miyaji A, Amao Y. Visible-light driven reduction of CO2 to formate by a water-soluble zinc porphyrin and formate dehydrogenase system with electron-mediated amino and carbamoyl group-modified viologen. NEW J CHEM 2021. [DOI: 10.1039/d1nj00889g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Visible-light-driven CO2 reduction to formate with a system consisting of water-soluble zinc porphyrin, formate dehydrogenase from Candida boidinii and 1-amino-1′-carbamoyl-4,4′-bipyridinium salt as an electron mediator in the presence of triethanolamine was developed.
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Affiliation(s)
- Akimitsu Miyaji
- School of Materials and Chemical Technology
- Tokyo Institute of Technology
- Yokohama 226-8502
- Japan
| | - Yutaka Amao
- Graduate School of Science
- Osaka City University
- Osaka 558-8585
- Japan
- Research Centre of Artificial Photosynthesis (ReCAP)
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152
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Zhurenok AV, Markovskaya DV, Gerasimov EY, Cherepanova SV, Bukhtiyarov AV, Kozlova EA. Composite photocatalysts based on Cd 1−xZn xS and TiO 2 for hydrogen production under visible light: effect of platinum co-catalyst location. RSC Adv 2021; 11:37966-37980. [PMID: 35498100 PMCID: PMC9044054 DOI: 10.1039/d1ra06845h] [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: 09/12/2021] [Accepted: 11/16/2021] [Indexed: 11/21/2022] Open
Abstract
Ternary composite photocatalysts based on titania and solid solutions of CdS and ZnS were prepared and studied by a set of physicochemical methods including XRD, XPS, HRTEM, UV-vis spectroscopy, and electrochemical tests. Two synthetic techniques of platinization of Cd1−xZnxS/TiO2 were compared. In the first case, platinum was deposited on the surface of synthesized Cd1−xZnxS (x = 0.2–0.3)/TiO2 P25; in the second one, Cd1−xZnxS (x = 0.2–0.3) was deposited on the surface of Pt/TiO2 P25. The photocatalytic properties of the obtained samples were compared in the hydrogen evolution from TEOA aqueous solution under visible light (λ = 425 nm). The Cd1−xZnxS (10–50 wt%; x = 0.2–0.3)/Pt (1 wt%)/TiO2 photocatalysts demonstrated much higher photocatalytic activity than the Pt (1 wt%)/Cd1−xZnxS (10–50 wt%; x = 0.2–0.3)/TiO2 ones. It turned out that the arrangement of platinum nanoparticles precisely on the titanium dioxide surface in a composite photocatalyst makes it possible to achieve efficient charge separation according to the type II heterojunctions and, accordingly, a high rate of hydrogen formation. The highest photocatalytic activity was demonstrated by 20% Cd0.8Zn0.2S/1% Pt/TiO2 in the amount of 26 mmol g−1 h−1 (apparent quantum efficiency was 7.7%) that exceeds recently published values for this class of photocatalysts. The determination of the preferred location of platinum particles in TiO2–Cd1−xZnxS systems was carried out for the first time.![]()
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Affiliation(s)
- Angelina V. Zhurenok
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
| | - Dina V. Markovskaya
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
| | - Evgeny Yu. Gerasimov
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
| | - Svetlana V. Cherepanova
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
| | - Andrey V. Bukhtiyarov
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
| | - Ekaterina A. Kozlova
- Federal Research Center Boreskov Institute of Catalysis, 630090, Pr. Ak. Lavrentieva, 5, Novosibirsk, Russia
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153
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Pannwitz A, Klein DM, Rodríguez-Jiménez S, Casadevall C, Song H, Reisner E, Hammarström L, Bonnet S. Roadmap towards solar fuel synthesis at the water interface of liposome membranes. Chem Soc Rev 2021; 50:4833-4855. [DOI: 10.1039/d0cs00737d] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This tutorial review describes the physical–chemical aspects one must consider when building photocatalytic liposomes for solar fuel production.
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Affiliation(s)
- Andrea Pannwitz
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
- Institute of Inorganic Chemistry I
| | - David M. Klein
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
| | | | - Carla Casadevall
- Yusuf Hamied Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Hongwei Song
- Department of Chemistry – Angstrom Laboratory
- Uppsala University
- 751 20 Uppsala
- Sweden
| | - Erwin Reisner
- Yusuf Hamied Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Leif Hammarström
- Department of Chemistry – Angstrom Laboratory
- Uppsala University
- 751 20 Uppsala
- Sweden
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
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154
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Yang H, Amari H, Liu L, Zhao C, Gao H, He A, Browning ND, Little MA, Sprick RS, Cooper AI. Nano-assemblies of a soluble conjugated organic polymer and an inorganic semiconductor for sacrificial photocatalytic hydrogen production from water. NANOSCALE 2020; 12:24488-24494. [PMID: 33319898 DOI: 10.1039/d0nr05801g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nanostructured materials have interesting optical and electronic properties that are often drastically different from those of their bulk counterparts. While bulk organic/inorganic semiconductor composites have attracted much attention in the past decade, the preparation of organic/inorganic semiconductor nanocomposites (OISNs) still remains challenging. This work presents an assembly method for the co-encapsulation of titanium dioxide dots (TDs) with a cyano-substituted soluble conjugated polymer (CSCP) into a particular nanoparticle. The as-prepared CSCP/TD semiconductor nanocomposites (CSCP/TD NCs) exhibit different particle surfaces and morphologies depending on the mass ratio of the CSCP to TDs. We then tested them as photocatalysts for sacrificial hydrogen production from water. We found that nanocomposites outperformed nanoparticles of the individual components and physical mixtures thereof. The most active CSCP/TD NC had a catalytic H2 production rate that was 4.25 times higher than that of pure polymer nanoparticles prepared under the same conditions. We ascribe this to energy transfer between the semiconductors, where direct phase contact is essential, highlighting a potential avenue for using soluble, visible light-absorbing conjugated organic polymers to build Z-schemes for overall water splitting in the future.
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Affiliation(s)
- Haofan Yang
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool L7 3NY, UK.
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155
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Giereth R, Lang P, McQueen E, Meißner X, Braun-Cula B, Marchfelder C, Obermeier M, Schwalbe M, Tschierlei S. Elucidation of Cooperativity in CO2 Reduction Using a Xanthene-Bridged Bimetallic Rhenium(I) Complex. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04314] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Robin Giereth
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
- Department Energy Conversion, Institute of Physical and Theoretical Chemistry, TU Braunschweig, Gaußstr. 17, 38106 Braunschweig, Germany
| | - Philipp Lang
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Ewan McQueen
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Xenia Meißner
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Beatrice Braun-Cula
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Carla Marchfelder
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Martin Obermeier
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Matthias Schwalbe
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Stefanie Tschierlei
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
- Department Energy Conversion, Institute of Physical and Theoretical Chemistry, TU Braunschweig, Gaußstr. 17, 38106 Braunschweig, Germany
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156
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Manfredi N, Decavoli C, Boldrini CL, Dolla TH, Faroldi F, Sansone F, Montini T, Baldini L, Fornasiero P, Abbotto A. Multibranched Calix[4]arene‐Based Sensitizers for Efficient Photocatalytic Hydrogen Production. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001296] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Norberto Manfredi
- Department of Materials Science and Solar Energy Research Center MIB-SOLAR University of Milano-Bicocca INSTM Milano-Bicocca Research Unit Via Cozzi 55 20125 Milano Italy
| | - Cristina Decavoli
- Department of Materials Science and Solar Energy Research Center MIB-SOLAR University of Milano-Bicocca INSTM Milano-Bicocca Research Unit Via Cozzi 55 20125 Milano Italy
| | - Chiara Liliana Boldrini
- Department of Materials Science and Solar Energy Research Center MIB-SOLAR University of Milano-Bicocca INSTM Milano-Bicocca Research Unit Via Cozzi 55 20125 Milano Italy
| | - Tarekegn Heliso Dolla
- Department of Chemical and Pharmaceutical Sciences INSTM Trieste Research Unit and ICCOM-CNR Trieste Research Unit University of Trieste Via L. Giorgieri 1 34127 Trieste Italy
| | - Federica Faroldi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Università di Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Francesco Sansone
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Università di Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Tiziano Montini
- Department of Chemical and Pharmaceutical Sciences INSTM Trieste Research Unit and ICCOM-CNR Trieste Research Unit University of Trieste Via L. Giorgieri 1 34127 Trieste Italy
| | - Laura Baldini
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Università di Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Paolo Fornasiero
- Department of Chemical and Pharmaceutical Sciences INSTM Trieste Research Unit and ICCOM-CNR Trieste Research Unit University of Trieste Via L. Giorgieri 1 34127 Trieste Italy
| | - Alessandro Abbotto
- Department of Materials Science and Solar Energy Research Center MIB-SOLAR University of Milano-Bicocca INSTM Milano-Bicocca Research Unit Via Cozzi 55 20125 Milano Italy
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157
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Nguyen DT, Nguyen CC, Do TO. Rational one-step synthesis of cobalt clusters embedded-graphitic carbon nitrides for the efficient photocatalytic CO2 reduction under ambient conditions. J Catal 2020. [DOI: 10.1016/j.jcat.2020.09.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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158
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Wang Y, Shi X, Oshikiri T, Zu S, Ueno K, Misawa H. Plasmon-induced electron injection into the large negative potential conduction band of Ga 2O 3 for coupling with water oxidation. NANOSCALE 2020; 12:22674-22679. [PMID: 33156317 DOI: 10.1039/d0nr06319c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, an interfacial modification layer was applied to improve the plasmon-induced light energy conversion of a gallium(iii) oxide (Ga2O3) photoelectrode, which possesses a much more negative conduction band potential compared with the reduction potential of photons to hydrogen. The plasmon-induced photocurrent generation under visible light irradiation was observed with Au nanoparticle-loaded Ga2O3 (Au-NPs/Ga2O3). An interfacial modification was carried out by depositing a titanium dioxide (TiO2) thin-film layer on Au-NPs/Ga2O3via atomic layer deposition. Since the surface states of TiO2 possess excellent hole-trapping ability, this interfacial modification remarkably improved the generation of plasmon-induced photocurrent in the visible region. The photoelectric conversion efficiency of interfacially modified Au-NPs/Ga2O3 showed a TiO2 thin-film thickness dependence because the migration of hot carriers was suppressed with increasing TiO2 thickness. The Au-NPs/Ga2O3 photoelectrode modified with 2 nm-thick TiO2 showed the best photoelectric conversion performance, and the thermodynamic energy conversion efficiency under irradiation with 600 nm light was approximately two times larger than that of the Au-NPs/TiO2-thin film due to the extremely negative onset potential of Au-NPs/Ga2O3 with TiO2. Therefore, the plasmonic Ga2O3 photoanode with the interfacial TiO2 modification could provide both a high reduction ability for H2 evolution and an oxidation ability for water oxidation, because of the negative conduction band of Ga2O3 and the hole-trapping property from TiO2, respectively.
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Affiliation(s)
- Yaguang Wang
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Japan.
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159
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Su K, Dong GX, Zhang W, Liu ZL, Zhang M, Lu TB. In Situ Coating CsPbBr 3 Nanocrystals with Graphdiyne to Boost the Activity and Stability of Photocatalytic CO 2 Reduction. ACS APPLIED MATERIALS & INTERFACES 2020; 12:50464-50471. [PMID: 33119246 DOI: 10.1021/acsami.0c14826] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The instability and low inferior catalytic activity of metal-halide perovskite nanocrystals are crucial issues for promoting their practical application in the photocatalytic field. Herein, we in situ coat a thin graphdiyne (GDY) layer on CsPbBr3 nanocrystals based on a facile microwave synthesis method, and employ it as a photocatalyst for CO2 reduction. Under the protection of GDY, the CsPbBr3-based photocatalyst delivers significantly improved stability in a photocatalytic system containing water concomitant with enhanced CO2 uptake capacity. The favorable energy offset and close contact between CsPbBr3 and GDY trigger swift photogenerated electron transfer from CsPbBr3 to doping metal sites in GDY, boosting a remarkable improvement in the photocatalytic performance for CO2 reduction. Without adding traditional sacrificial reductants, the cobalt-doped photocatalyst achieves a high yield of 27.7 μmol g-1 h-1 for photocatalytic CO2 conversion to CO based on water as a desirable electron source, which is about 8 times higher than that of pristine CsPbBr3 nanocrystals.
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Affiliation(s)
- Ke Su
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Guang-Xing Dong
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Wen Zhang
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Zhao-Lei Liu
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Min Zhang
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Tong-Bu Lu
- MOE International Joint Laboratory of Materials Microstructure, Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
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160
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Bozal-Ginesta C, Mesa CA, Eisenschmidt A, Francàs L, Shankar RB, Antón-García D, Warnan J, Willkomm J, Reynal A, Reisner E, Durrant JR. Charge accumulation kinetics in multi-redox molecular catalysts immobilised on TiO 2. Chem Sci 2020; 12:946-959. [PMID: 34163861 PMCID: PMC8178996 DOI: 10.1039/d0sc04344c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/07/2020] [Indexed: 11/29/2022] Open
Abstract
Multi-redox catalysis requires the accumulation of more than one charge carrier and is crucial for solar energy conversion into fuels and valuable chemicals. In photo(electro)chemical systems, however, the necessary accumulation of multiple, long-lived charges is challenged by recombination with their counterparts. Herein, we investigate charge accumulation in two model multi-redox molecular catalysts for proton and CO2 reduction attached onto mesoporous TiO2 electrodes. Transient absorption spectroscopy and spectroelectrochemical techniques have been employed to study the kinetics of photoinduced electron transfer from the TiO2 to the molecular catalysts in acetonitrile, with triethanolamine as the hole scavenger. At high light intensities, we detect charge accumulation in the millisecond timescale in the form of multi-reduced species. The redox potentials of the catalysts and the capacity of TiO2 to accumulate electrons play an essential role in the charge accumulation process at the molecular catalyst. Recombination of reduced species with valence band holes in TiO2 is observed to be faster than microseconds, while electron transfer from multi-reduced species to the conduction band or the electrolyte occurs in the millisecond timescale. Finally, under light irradiation, we show how charge accumulation on the catalyst is regulated as a function of the applied bias and the excitation light intensity.
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Affiliation(s)
- Carlota Bozal-Ginesta
- Department of Chemistry, Centre for Processable Electronics, Imperial College London 80 Wood Lane London W12 0BZ UK
| | - Camilo A Mesa
- Department of Chemistry, Centre for Processable Electronics, Imperial College London 80 Wood Lane London W12 0BZ UK
| | - Annika Eisenschmidt
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Laia Francàs
- Department of Chemistry, Centre for Processable Electronics, Imperial College London 80 Wood Lane London W12 0BZ UK
| | - Ravi B Shankar
- Department of Chemical Engineering, Imperial College London Exhibition Road London SW7 2AZ UK
| | - Daniel Antón-García
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Julien Warnan
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Janina Willkomm
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Anna Reynal
- Department of Chemistry, Centre for Processable Electronics, Imperial College London 80 Wood Lane London W12 0BZ UK
| | - Erwin Reisner
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - James R Durrant
- Department of Chemistry, Centre for Processable Electronics, Imperial College London 80 Wood Lane London W12 0BZ UK
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161
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Cullen AA, Heintz K, O'Reilly L, Long C, Heise A, Murphy R, Karlsson J, Gibson E, Greetham GM, Towrie M, Pryce MT. A Time-Resolved Spectroscopic Investigation of a Novel BODIPY Copolymer and Its Potential Use as a Photosensitiser for Hydrogen Evolution. Front Chem 2020; 8:584060. [PMID: 33195076 PMCID: PMC7604388 DOI: 10.3389/fchem.2020.584060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/15/2020] [Indexed: 11/13/2022] Open
Abstract
A novel 4,4-difuoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) copolymer with diethynylbenzene has been synthesised, and its ability to act as a photosensitiser for the photocatalytic generation of hydrogen was investigated by time-resolved spectroscopic techniques spanning the ps- to ns-timescales. Both transient absorption and time-resolved infrared spectroscopy were used to probe the excited state dynamics of this photosensitising unit in a variety of solvents. These studies indicated how environmental factors can influence the photophysics of the BODIPY polymer. A homogeneous photocatalytic hydrogen evolution system has been developed using the BODIPY copolymer and cobaloxime which provides hydrogen evolution rates of 319 μmol h−1 g−1 after 24 h of visible irradiation.
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Affiliation(s)
- Aoibhín A Cullen
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
| | - Katharina Heintz
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
| | - Laura O'Reilly
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
| | - Conor Long
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
| | - Andreas Heise
- Department of Chemistry, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Robert Murphy
- Department of Chemistry, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Joshua Karlsson
- Energy Materials Laboratory, Department of Chemistry, School of Natural and Environmental Science, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Elizabeth Gibson
- Energy Materials Laboratory, Department of Chemistry, School of Natural and Environmental Science, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Gregory M Greetham
- Central Laser Facility, Science & Technology Facilities Council, Research Complex at Harwell, Rutherford Appleton Laboratory, Oxford, United Kingdom
| | - Michael Towrie
- Central Laser Facility, Science & Technology Facilities Council, Research Complex at Harwell, Rutherford Appleton Laboratory, Oxford, United Kingdom
| | - Mary T Pryce
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
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162
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Achilleos DS, Yang W, Kasap H, Savateev A, Markushyna Y, Durrant JR, Reisner E. Solar Reforming of Biomass with Homogeneous Carbon Dots. Angew Chem Int Ed Engl 2020; 59:18184-18188. [PMID: 33448554 PMCID: PMC7589312 DOI: 10.1002/anie.202008217] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/24/2020] [Indexed: 11/11/2022]
Abstract
A sunlight-powered process is reported that employs carbon dots (CDs) as light absorbers for the conversion of lignocellulose into sustainable H2 fuel and organics. This photocatalytic system operates in pure and untreated sea water at benign pH (2-8) and ambient temperature and pressure. The CDs can be produced in a scalable synthesis directly from biomass itself and their solubility allows for good interactions with the insoluble biomass substrates. They also display excellent photophysical properties with a high fraction of long-lived charge carriers and the availability of a reductive and an oxidative quenching pathway. The presented CD-based biomass photoconversion system opens new avenues for sustainable, practical, and renewable fuel production through biomass valorization.
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Affiliation(s)
- Demetra S. Achilleos
- Christian Doppler Laboratory for Sustainable SynGas ChemistryDepartment of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
- Present address: School of ChemistryUniversity College DublinScience Centre South, BelfieldDublinIreland
| | - Wenxing Yang
- Molecular Sciences Research Hub and Centre for Processable ElectronicsImperial College LondonWhite City CampusLondonW12 0BZUK
| | - Hatice Kasap
- Christian Doppler Laboratory for Sustainable SynGas ChemistryDepartment of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Aleksandr Savateev
- Department of Colloid ChemistryMax Planck Institute of Colloids and InterfacesResearch Campus Golm14424PotsdamGermany
| | - Yevheniia Markushyna
- Department of Colloid ChemistryMax Planck Institute of Colloids and InterfacesResearch Campus Golm14424PotsdamGermany
| | - James R. Durrant
- Molecular Sciences Research Hub and Centre for Processable ElectronicsImperial College LondonWhite City CampusLondonW12 0BZUK
| | - Erwin Reisner
- Christian Doppler Laboratory for Sustainable SynGas ChemistryDepartment of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
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163
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Cui L, Zou X, Liu Y, Li X, Jiang L, Li C, Yang L, Yu M, Wang Y. Dramatic enhancement of photocatalytic H 2 evolution over hydrolyzed MOF-5 coupled Zn 0.2Cd 0.8S heterojunction. J Colloid Interface Sci 2020; 577:233-241. [PMID: 32485407 DOI: 10.1016/j.jcis.2020.05.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/03/2020] [Accepted: 05/07/2020] [Indexed: 11/24/2022]
Abstract
MOF-5 has been criticized for its poor water stability, which results in complete damage of its traditional functionality. Therefore, there are very few researches about the further application of hydrolyzed MOF-5 (h-M). However, in this work, the h-M can function as both superior support and semiconductor for photocatalytic reaction after a water-based process. Herein, a rational design of Zn0.2Cd0.8S@h-MOF-5 (ZCS@h-M) heterojunction photocatalyst has been synthesized via a hydrothermal method with different mass ratio of ZCS. As demonstrated in the results of SEM and TEM, during the hydrothermal process, MOF-5 exfoliated into two-dimensional small sheets and ZCS nanoparticles embedded into h-M frameworks, which is in favor for the dispersion of ZCS and better interface connection, thus further boosts the migration of photogenerated charge carriers and protect the photocorrosion of ZCS, ultimately improves the photocatalytic hydrogen production. Optimal ZCS content of 10 wt% exhibited a significantly enhanced visible light photocatalytic hydrogen production efficiency of 15.08 mmol h-1 g-1, which far surpassed bare ZCS at 7.62 times. Furthermore, the ZCS@h-M showed outstanding stability during photocatalytic hydrogen production over a number of cycles.
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Affiliation(s)
- Lifeng Cui
- Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xuhui Zou
- Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Yanan Liu
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China.
| | - Xi Li
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Lingchang Jiang
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Chengyun Li
- Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Liuqing Yang
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Mengjie Yu
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Yangang Wang
- College of Biological Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, China.
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164
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Bobo MV, Arcidiacono AM, Ayare PJ, Reed JC, Helton MR, Ngo T, Hanson K, Vannucci AK. A Series of Green Light Absorbing Organic Photosensitizers Capable of Oxidative Quenching Photocatalysis. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000153] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- M. Victoria Bobo
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Ashley M. Arcidiacono
- Department of Chemistry & Biochemistry Florida State University Tallahassee FL 32306 USA
| | - Pooja J. Ayare
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Jordan C. Reed
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Maizie R. Helton
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Thi Ngo
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Kenneth Hanson
- Department of Chemistry & Biochemistry Florida State University Tallahassee FL 32306 USA
| | - Aaron K. Vannucci
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
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165
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García-López V, Zalibera M, Trapp N, Kuss-Petermann M, Wenger OS, Diederich F. Stimuli-Responsive Resorcin[4]arene Cavitands: Toward Visible-Light-Activated Molecular Grippers. Chemistry 2020; 26:11451-11461. [PMID: 32780914 DOI: 10.1002/chem.202001788] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/14/2020] [Indexed: 01/14/2023]
Abstract
Resorcin[4]arene cavitands, equipped with diverse quinone (Q) and [Ru(bpy)2 dppz]2+ (bpy=2,2'-bipyridine, dppz=dipyrido[3,2-a:2',3'-c]phenazine) photosensitizing walls in different configurations, were synthesized. Upon visible-light irradiation at 420 nm, electron transfer from the [Ru(bpy)2 dppz]2+ to the Q generates the semiquinone (SQ) radical anion, triggering a large conformational switching from a flat kite to a vase with a cavity for the encapsulation of small guests, such as cyclohexane and heteroalicyclic derivatives, in CD3 CN. Depending on the molecular design, the SQ radical anion can live for several minutes (≈10 min) and the vase can be generated in a secondary process without need for addition of a sacrificial electron donor to accumulate the SQ state. Switching can also be triggered by other stimuli, such as changes in solvent, host-guest complexation, and chemical and electrochemical processes. This comprehensive investigation benefits the development of stimuli-responsive nanodevices, such as light-activated molecular grippers.
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Affiliation(s)
- Víctor García-López
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, HCI, Vladimir-Prelog-Weg 3, 8093, Zurich, Switzerland
| | - Michal Zalibera
- Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology, Radlinského 9, 81237, Bratislava, Slovakia
| | - Nils Trapp
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, HCI, Vladimir-Prelog-Weg 3, 8093, Zurich, Switzerland
| | - Martin Kuss-Petermann
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Oliver S Wenger
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - François Diederich
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, HCI, Vladimir-Prelog-Weg 3, 8093, Zurich, Switzerland
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166
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Zhang Z, Jørgensen ML, Wang Z, Amagat J, Wang Y, Li Q, Dong M, Chen M. 3D anisotropic photocatalytic architectures as bioactive nerve guidance conduits for peripheral neural regeneration. Biomaterials 2020; 253:120108. [DOI: 10.1016/j.biomaterials.2020.120108] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 04/28/2020] [Accepted: 05/07/2020] [Indexed: 12/12/2022]
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167
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Achilleos DS, Yang W, Kasap H, Savateev A, Markushyna Y, Durrant JR, Reisner E. Solar Reforming of Biomass with Homogeneous Carbon Dots. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008217] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Demetra S. Achilleos
- Christian Doppler Laboratory for Sustainable SynGas Chemistry Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
- Present address: School of Chemistry University College Dublin Science Centre South, Belfield Dublin Ireland
| | - Wenxing Yang
- Molecular Sciences Research Hub and Centre for Processable Electronics Imperial College London White City Campus London W12 0BZ UK
| | - Hatice Kasap
- Christian Doppler Laboratory for Sustainable SynGas Chemistry Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Aleksandr Savateev
- Department of Colloid Chemistry Max Planck Institute of Colloids and Interfaces Research Campus Golm 14424 Potsdam Germany
| | - Yevheniia Markushyna
- Department of Colloid Chemistry Max Planck Institute of Colloids and Interfaces Research Campus Golm 14424 Potsdam Germany
| | - James R. Durrant
- Molecular Sciences Research Hub and Centre for Processable Electronics Imperial College London White City Campus London W12 0BZ UK
| | - Erwin Reisner
- Christian Doppler Laboratory for Sustainable SynGas Chemistry Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
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168
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Benazzi E, Coni VC, Boni M, Mazzaro R, Morandi V, Natali M. The role of the capping agent and nanocrystal size in photoinduced hydrogen evolution using CdTe/CdS quantum dot sensitizers. Dalton Trans 2020; 49:10212-10223. [PMID: 32666964 DOI: 10.1039/d0dt01195a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Hydrogen production via light-driven water splitting is a key process in the context of solar energy conversion. In this respect, the choice of suitable light-harvesting units appears as a major challenge, particularly as far as stability issues are concerned. In this work, we report on the use of CdTe/CdS QDs as photosensitizers for light-assisted hydrogen evolution in combination with a nickel bis(diphosphine) catalyst (1) and ascorbate as the sacrificial electron donor. QDs of different sizes (1.7-3.4 nm) and with different capping agents (MPA, MAA, and MSA) have been prepared and their performance assessed in the above-mentioned photocatalytic reaction. Detailed photophysical studies have been also accomplished to highlight the charge transfer processes relevant to the photocatalytic reaction. Hydrogen evolution is observed with remarkable efficiencies when compared to common coordination compounds like Ru(bpy)32+ (where bpy = 2,2'-bipyridine) as light-harvesting units. Furthermore, the hydrogen evolution performance under irradiation is strongly determined by the nature of the capping agent and the QD size and can be related to the concentration of the surface defects within the semiconducting nanocrystal. Overall, the present results outline how QDs featuring large quantum yields and long lifetimes are desirable to achieve sustained hydrogen evolution upon irradiation and that a precise control of the structural and photophysical properties thus appears as a major requirement towards profitable photocatalytic applications.
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Affiliation(s)
- Elisabetta Benazzi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via L. Borsari 46, 44121, Ferrara, Italy.
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169
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Gracia L, Luci L, Bruschi C, Sambri L, Weis P, Fuhr O, Bizzarri C. New Photosensitizers Based on Heteroleptic Cu I Complexes and CO 2 Photocatalytic Reduction with [Ni II (cyclam)]Cl 2. Chemistry 2020; 26:9929-9937. [PMID: 32672408 PMCID: PMC7497214 DOI: 10.1002/chem.202001279] [Citation(s) in RCA: 16] [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: 03/14/2020] [Revised: 06/18/2020] [Indexed: 12/25/2022]
Abstract
Earth-abundant metal complexes have been attracting increasing attention in the field of photo(redox)catalysis. In this work, the synthesis and full characterisation of four new heteroleptic CuI complexes are reported, which can work as photosensitizers. The complexes bear a bulky diphosphine (DPEPhos=bis[(2-diphenylphosphino)phenyl] ether) and a diimine chelating ligand based on 1-benzyl-4-(quinol-2'yl)-1,2,3-triazole. Their absorption has a relative maximum in the visible-light region, up to 450 nm. Thus, their use in photocatalytic systems for the reduction of CO2 with blue light in combination with the known catalyst [NiII (cyclam)]Cl2 was tested. This system produced CO as the main product through visible light (λ=420 nm) with a TON up to 8 after 4 hours. This value is in line with other photocatalytic systems using the same catalyst. Nevertheless, this system is entirely noble-metal free.
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Affiliation(s)
- Lisa‐Lou Gracia
- Institute of Organic ChemistryKarlsruhe Institute of TechnologyFritz-Haber-Weg 676137KarlsruheGermany
| | - Luisa Luci
- Institute of Organic ChemistryKarlsruhe Institute of TechnologyFritz-Haber-Weg 676137KarlsruheGermany
- Department of Industrial Chemistry “Toso Montanari”University of BolognaViale Risorgimento 440136BolognaItaly
| | - Cecilia Bruschi
- Institute of Organic ChemistryKarlsruhe Institute of TechnologyFritz-Haber-Weg 676137KarlsruheGermany
| | - Letizia Sambri
- Department of Industrial Chemistry “Toso Montanari”University of BolognaViale Risorgimento 440136BolognaItaly
| | - Patrick Weis
- Institute of Physical ChemistryKarlsruhe Institute of TechnologyFritz-Haber-Weg 476137KarlsruheGermany
| | - Olaf Fuhr
- Institute of Nanotechnology and Karlsruhe Nano Micro Facility (KNMF)“Karlsruhe Institute of TechnologyHermann von Helmholtz Platz 176344Eggenstein-LeopoldshafenGermany
| | - Claudia Bizzarri
- Institute of Organic ChemistryKarlsruhe Institute of TechnologyFritz-Haber-Weg 676137KarlsruheGermany
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170
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Schreier MR, Pfund B, Guo X, Wenger OS. Photo-triggered hydrogen atom transfer from an iridium hydride complex to unactivated olefins. Chem Sci 2020; 11:8582-8594. [PMID: 34123118 PMCID: PMC8163408 DOI: 10.1039/d0sc01820a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022] Open
Abstract
Many photoactive metal complexes can act as electron donors or acceptors upon photoexcitation, but hydrogen atom transfer (HAT) reactivity is rare. We discovered that a typical representative of a widely used class of iridium hydride complexes acts as an H-atom donor to unactivated olefins upon irradiation at 470 nm in the presence of tertiary alkyl amines as sacrificial electron and proton sources. The catalytic hydrogenation of simple olefins served as a test ground to establish this new photo-reactivity of iridium hydrides. Substrates that are very difficult to activate by photoinduced electron transfer were readily hydrogenated, and structure-reactivity relationships established with 12 different olefins are in line with typical HAT reactivity, reflecting the relative stabilities of radical intermediates formed by HAT. Radical clock, H/D isotope labeling, and transient absorption experiments provide further mechanistic insight and corroborate the interpretation of the overall reactivity in terms of photo-triggered hydrogen atom transfer (photo-HAT). The catalytically active species is identified as an Ir(ii) hydride with an IrII-H bond dissociation free energy around 44 kcal mol-1, which is formed after reductive 3MLCT excited-state quenching of the corresponding Ir(iii) hydride, i.e. the actual HAT step occurs on the ground-state potential energy surface. The photo-HAT reactivity presented here represents a conceptually novel approach to photocatalysis with metal complexes, which is fundamentally different from the many prior studies relying on photoinduced electron transfer.
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Affiliation(s)
- Mirjam R Schreier
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Björn Pfund
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Xingwei Guo
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Oliver S Wenger
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
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171
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Abstract
Technologies such as batteries, biomaterials and heterogeneous catalysts have functions that are defined by mixtures of molecular and mesoscale components. As yet, this multi-length-scale complexity cannot be fully captured by atomistic simulations, and the design of such materials from first principles is still rare1-5. Likewise, experimental complexity scales exponentially with the number of variables, restricting most searches to narrow areas of materials space. Robots can assist in experimental searches6-14 but their widespread adoption in materials research is challenging because of the diversity of sample types, operations, instruments and measurements required. Here we use a mobile robot to search for improved photocatalysts for hydrogen production from water15. The robot operated autonomously over eight days, performing 688 experiments within a ten-variable experimental space, driven by a batched Bayesian search algorithm16-18. This autonomous search identified photocatalyst mixtures that were six times more active than the initial formulations, selecting beneficial components and deselecting negative ones. Our strategy uses a dexterous19,20 free-roaming robot21-24, automating the researcher rather than the instruments. This modular approach could be deployed in conventional laboratories for a range of research problems beyond photocatalysis.
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172
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Chen T, Ding J, Liu T, Li Q, Luo Y, Dong L, Du H, Fang M, Bao J, Wu Y. Two anionic Ni(II) porphyrinic metal−organic frameworks: Syntheses, flexibility and roles in visible-light photocatalytic CO2 reduction to CO in the Ru(bpy)3Cl2/TEA/CH3CN system. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2020.121340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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173
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Glaser F, Larsen CB, Kerzig C, Wenger OS. Aryl dechlorination and defluorination with an organic super-photoreductant. Photochem Photobiol Sci 2020; 19:1035-1041. [PMID: 32588869 DOI: 10.1039/d0pp00127a] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Direct excitation of the commercially available super-electron donor tetrakis(dimethylamino)ethylene (TDAE) with light-emitting diodes at 440 or 390 nm provides a stoichiometric reductant that is able to reduce aryl chlorides and fluorides. The method is very simple and requires only TDAE, substrate, and solvent at room temperature. The photoactive excited state of TDAE has a lifetime of 17.3 ns in cyclohexane at room temperature and an oxidation potential of ca.-3.4 V vs. SCE. This makes TDAE one of the strongest photoreductants able to operate on the basis of single excitation with visible photons. Direct substrate activation occurs in benzene, but acetone is reduced by photoexcited TDAE and substrate reduction takes place by a previously unexplored solvent radical anion mechanism. Our work shows that solvent can have a leveling effect on the photochemically available redox power, reminiscent of the pH-leveling effect that solvent has in acid-base chemistry.
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Affiliation(s)
- Felix Glaser
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Christopher B Larsen
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Christoph Kerzig
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Oliver S Wenger
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland.
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174
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Paul LA, Röttcher NC, Zimara J, Borter JH, Du JP, Schwarzer D, Mata RA, Siewert I. Photochemical Properties of Re(CO)3 Complexes with and without a Local Proton Source and Implications for CO2 Reduction Catalysis. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00240] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lucas A. Paul
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
| | - Nico C. Röttcher
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
| | - Jennifer Zimara
- Max-Planck-Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
| | - Jan-Hendrik Borter
- Max-Planck-Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
| | - Jia-Pei Du
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
| | - Dirk Schwarzer
- Max-Planck-Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
| | - Ricardo A. Mata
- Universität Göttingen, Institut für Physikalische Chemie, Tammannstrasse 6, 37077 Göttingen, Germany
| | - Inke Siewert
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
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175
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Pyridyl-Anchored Type BODIPY Sensitizer-TiO2 Photocatalyst for Enhanced Visible Light-Driven Photocatalytic Hydrogen Production. Catalysts 2020. [DOI: 10.3390/catal10050535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Dye-sensitized photocatalytic hydrogen production using a boron-dipyrromethene (BODIPY) organic material having a pyridyl group at the anchor site was investigated. Phenyl, carbazole, and phenothiazine derivatives were introduced into BODIPY dyes, and their photocatalytic activities were examined. Identification was performed by nuclear magnetic resonance (NMR), infrared (IR), mass (MS) spectra, and absorption spectra, and catalyst evaluation was performed by using visible-light irradiation and photocatalytic hydrogen production and photocurrent. These dyes have strong absorption at 600–700 nm, suggesting that they are promising as photosensitizers. When the photocatalytic activity was examined, stable catalytic performance was demonstrated, and the activity of the Pt-TiO2 photocatalyst carrying a dye having a carbazole group was 249 μmol/gcat·h. Photocurrent measurements suggest that dye-sensitized photocatalytic activity is occurring. This result suggests that BODIPY organic materials with pyridyl groups as anchor sites are useful as novel dye-sensitized photocatalysts.
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176
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Roy S, Jain V, Kashyap RK, Rao A, Pillai PP. Electrostatically Driven Multielectron Transfer for the Photocatalytic Regeneration of Nicotinamide Cofactor. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01478] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Soumendu Roy
- Department of Chemistry and Centre for Energy Sciences, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, India
| | - Vanshika Jain
- Department of Chemistry and Centre for Energy Sciences, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, India
| | - Radha Krishna Kashyap
- Department of Chemistry and Centre for Energy Sciences, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, India
| | - Anish Rao
- Department of Chemistry and Centre for Energy Sciences, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, India
| | - Pramod P. Pillai
- Department of Chemistry and Centre for Energy Sciences, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pashan, Pune 411 008, India
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177
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Hammonds M, Tran TT, Tran YHH, Ha-Thi MH, Pino T. Time-Resolved Resonant Raman Spectroscopy of the Photoinduced Electron Transfer from Ruthenium(II) Trisbipyridine to Methyl Viologen. J Phys Chem A 2020; 124:2736-2740. [PMID: 32183517 DOI: 10.1021/acs.jpca.9b10949] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the first time-resolved resonant Raman (TR3) spectra of photoinduced charge transfer from [Ru(bpy)3]2+ to methyl viologen, with observations of vibrational structure. The presence of singly charged methyl viologen in solution is noted by the appearance of several spectroscopic lines, which are visible in the spectra following subtraction of reagent molecules. Assignments are confirmed using both density functional theory (DFT) calculations and literature values and are shown to be consistent with transient absorption spectroscopy data. This presents proof-of-concept for the application of TR3 in mechanistic studies of photocatalytic systems.
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Affiliation(s)
- Mark Hammonds
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay (ISMO), 91405 Orsay, France
| | - Thu-Trang Tran
- Faculty of Physics and Technology, Thai Nguyen University of Science, Thai Nguyen, Vietnam
| | - Yen Hoang Hai Tran
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay (ISMO), 91405 Orsay, France
| | - Minh-Huong Ha-Thi
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay (ISMO), 91405 Orsay, France
| | - Thomas Pino
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay (ISMO), 91405 Orsay, France
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178
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Glaser F, Kerzig C, Wenger OS. Multiphotonen‐Anregung in der Photoredoxkatalyse: Konzepte, Anwendungen und Methoden. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915762] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Felix Glaser
- Departement Chemie Universität Basel St. Johanns-Ring 19 4056 Basel Schweiz
| | - Christoph Kerzig
- Departement Chemie Universität Basel St. Johanns-Ring 19 4056 Basel Schweiz
| | - Oliver S. Wenger
- Departement Chemie Universität Basel St. Johanns-Ring 19 4056 Basel Schweiz
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179
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Glaser F, Kerzig C, Wenger OS. Multi-Photon Excitation in Photoredox Catalysis: Concepts, Applications, Methods. Angew Chem Int Ed Engl 2020; 59:10266-10284. [PMID: 31945241 DOI: 10.1002/anie.201915762] [Citation(s) in RCA: 183] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/16/2020] [Indexed: 01/28/2023]
Abstract
The energy of visible photons and the accessible redox potentials of common photocatalysts set thermodynamic limits to photochemical reactions that can be driven by traditional visible-light irradiation. UV excitation can be damaging and induce side reactions, hence visible or even near-IR light is usually preferable. Thus, photochemistry currently faces two divergent challenges, namely the desire to perform ever more thermodynamically demanding reactions with increasingly lower photon energies. The pooling of two low-energy photons can address both challenges simultaneously, and whilst multi-photon spectroscopy is well established, synthetic photoredox chemistry has only recently started to exploit multi-photon processes on the preparative scale. Herein, we have a critical look at currently developed reactions and mechanistic concepts, discuss pertinent experimental methods, and provide an outlook into possible future developments of this rapidly emerging area.
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Affiliation(s)
- Felix Glaser
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Christoph Kerzig
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Oliver S Wenger
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056, Basel, Switzerland
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180
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Flavin-Conjugated Iron Oxide Nanoparticles as Enzyme-Inspired Photocatalysts for Azo Dye Degradation. Catalysts 2020. [DOI: 10.3390/catal10030324] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
In this work, a new photocatalytic system consisting of iron oxide nanoparticles (IONPs), coated with a catechol-flavin conjugate (DAFL), is synthesized and explored for use in water remediation. In order to test the efficiency of the catalyst, the photodegradation of amaranth (AMT), an azo dye water pollutant, was performed under aerobic and anaerobic conditions, using either ethylenediaminetetraacetic acid (EDTA) or 2-(N-morpholino)ethanesulfonic acid (MES) as electron donors. Depending on the conditions, either dye photoreduction or photooxidation were observed, indicating that flavin-coated iron-oxide nanoparticles can be used as a versatile enzyme-inspired photocatalysts.
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181
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Giereth R, Mengele AK, Frey W, Kloß M, Steffen A, Karnahl M, Tschierlei S. Copper(I) Phosphinooxazoline Complexes: Impact of the Ligand Substitution and Steric Demand on the Electrochemical and Photophysical Properties. Chemistry 2020; 26:2675-2684. [PMID: 31747089 PMCID: PMC7065177 DOI: 10.1002/chem.201904379] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Indexed: 12/29/2022]
Abstract
A series of seven homoleptic CuI complexes based on hetero-bidentate P^N ligands was synthesized and comprehensively characterized. In order to study structure-property relationships, the type, size, number and configuration of substituents at the phosphinooxazoline (phox) ligands were systematically varied. To this end, a combination of X-ray diffraction, NMR spectroscopy, steady-state absorption and emission spectroscopy, time-resolved emission spectroscopy, quenching experiments and cyclic voltammetry was used to assess the photophysical and electrochemical properties. Furthermore, time-dependent density functional theory calculations were applied to also analyze the excited state structures and characteristics. Surprisingly, a strong dependency on the chirality of the respective P^N ligand was found, whereas the specific kind and size of the different substituents has only a minor impact on the properties in solution. Most importantly, all complexes except C3 are photostable in solution and show fully reversible redox processes. Sacrificial reductants were applied to demonstrate a successful electron transfer upon light irradiation. These properties render this class of photosensitizers as potential candidates for solar energy conversion issues.
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Affiliation(s)
- Robin Giereth
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Alexander K Mengele
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Marvin Kloß
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Strasse 6, 44227, Dortmund, Germany
| | - Andreas Steffen
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Strasse 6, 44227, Dortmund, Germany
| | - Michael Karnahl
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Stefanie Tschierlei
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
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182
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183
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Glaser F, Wenger OS. Recent progress in the development of transition-metal based photoredox catalysts. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213129] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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184
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Whittemore TJ, Xue C, Huang J, Gallucci JC, Turro C. Single-chromophore single-molecule photocatalyst for the production of dihydrogen using low-energy light. Nat Chem 2020; 12:180-185. [DOI: 10.1038/s41557-019-0397-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 11/15/2019] [Indexed: 01/23/2023]
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185
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Giannoudis E, Benazzi E, Karlsson J, Copley G, Panagiotakis S, Landrou G, Angaridis P, Nikolaou V, Matthaiaki C, Charalambidis G, Gibson EA, Coutsolelos AG. Photosensitizers for H 2 Evolution Based on Charged or Neutral Zn and Sn Porphyrins. Inorg Chem 2020; 59:1611-1621. [PMID: 31940179 DOI: 10.1021/acs.inorgchem.9b01838] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report a comparison between a series of zinc and tin porphyrins as photosensitizers for photochemical hydrogen evolution using cobaloxime complexes as molecular catalysts. Among all the chromophores tested, only the positively charged zinc porphyrin, [ZnTMePyP4+]Cl4, and the neutral tin porphyrin derivatives, Sn(OH)2TPyP, Sn(Cl2)TPP-[COOMe]4, and Sn(Cl2)TPP-[PO(OEt)2]4, were photocatalytically active. Hydrogen evolution was strongly affected by the pH value as well as the different concentrations of both the sensitizer and the catalyst. A comprehensive photophysical and electrochemical investigation was conducted in order to examine the mechanism of photocatalysis. The results derived from this study establish fundamental criteria with respect to the design and synthesis of porphyrin derivatives for their application as photosensitizers in photoinduced hydrogen evolution.
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Affiliation(s)
- Emmanouil Giannoudis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece.,Laboratoire de Chimie et Biologie des Métaux , UMR 5249 Université Grenoble Alpes, CNRS, CEA , 17 rue des Martyrs , F-38054 Grenoble Cedex 9 , France
| | - Elisabetta Benazzi
- Chemistry-School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU United Kingdom
| | - Joshua Karlsson
- Chemistry-School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU United Kingdom
| | - Graeme Copley
- Chemistry-School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU United Kingdom
| | - Stylianos Panagiotakis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Georgios Landrou
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Panagiotis Angaridis
- Department of Chemistry , Aristotle University of Thessaloniki , Thessaloniki 54124 , Greece
| | - Vasilis Nikolaou
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Chrysanthi Matthaiaki
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Georgios Charalambidis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
| | - Elizabeth A Gibson
- Chemistry-School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU United Kingdom
| | - Athanassios G Coutsolelos
- Laboratory of Bioinorganic Chemistry, Department of Chemistry , University of Crete , Voutes Campus , 70013 Heraklion , Crete , Greece
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186
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Mohamed HA, Alotaibi MH, Kariuki BM, El-Hiti GA. Convenient Synthesis of New Heterocycles Containing the Quinoxaline Ring System. LETT ORG CHEM 2020. [DOI: 10.2174/1570178616666190311161505] [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 aim of the current article was to describe simple procedures for the synthesis of new
heterocycles incorporating the quinoxaline moiety using benzene-1,2-diamine and quinoxaline-2,3-
dithiol as precursors. Simple synthetic methods are described for the synthesis of new heterocycles using
commercially available chemicals. Also, the new compounds were determined using analytical and
spectroscopic methods including single X-ray crystal structures. A series of new heterocycles containing
the quinoxaline nucleus have been synthesized in good yields using simple and convenient procedures.
A process has been described for the synthesis of new heterocycles containing the quinoxaline
moiety that might be difficult to synthesize by other routes.
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Affiliation(s)
- Hanan A. Mohamed
- Applied Organic Chemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Mohammad Hayal Alotaibi
- National Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Benson M. Kariuki
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Gamal A. El-Hiti
- Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
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187
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Decker D, Drexler HJ, Heller D, Beweries T. Homogeneous catalytic transfer semihydrogenation of alkynes – an overview of hydrogen sources, catalysts and reaction mechanisms. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01276a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemoselective semihydrogenation of alkynes to alkenes with E- or Z-stereoselectivity is among the most important transformations in the synthesis of highly functional organic building blocks.
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Affiliation(s)
- David Decker
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
| | | | - Detlef Heller
- Leibniz-Institut für Katalyse e.V. (LIKAT)
- 18059 Rostock
- Germany
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188
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VanDenburgh KL, Liu Y, Sadhukhan T, Benson CR, Cox NM, Erbas-Cakmak S, Qiao B, Gao X, Pink M, Raghavachari K, Flood AH. Multi-state amine sensing by electron transfers in a BODIPY probe. Org Biomol Chem 2020; 18:431-440. [DOI: 10.1039/c9ob02466b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Photoinduced electron transfer sets up the BODIPY probe for multi-state amine sensing by single-electron transfer then collisional quenching.
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Affiliation(s)
| | - Yun Liu
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | | | | | | | | | - Bo Qiao
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | - Xinfeng Gao
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | - Maren Pink
- Department of Chemistry
- Indiana University
- Bloomington
- USA
| | | | - Amar H. Flood
- Department of Chemistry
- Indiana University
- Bloomington
- USA
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189
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Kosem N, Honda Y, Watanabe M, Takagaki A, Tehrani ZP, Haydous F, Lippert T, Ishihara T. Photobiocatalytic H2 evolution of GaN:ZnO and [FeFe]-hydrogenase recombinant Escherichia coli. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00128g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The need for sustainable, renewable and low-cost approaches is a driving force behind the development of solar-to-H2 conversion technologies.
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Affiliation(s)
- Nuttavut Kosem
- International Institute for Carbon-Neutral Energy Research (I2CNER)
- Kyushu University
- Fukuoka 819-0395
- Japan
- Department of Applied Chemistry
| | - Yuki Honda
- Department of Chemistry, Biology and Environmental Science
- Faculty of Science
- Nara Women's University
- Nara 630-8506
- Japan
| | - Motonori Watanabe
- International Institute for Carbon-Neutral Energy Research (I2CNER)
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Atsushi Takagaki
- International Institute for Carbon-Neutral Energy Research (I2CNER)
- Kyushu University
- Fukuoka 819-0395
- Japan
- Department of Applied Chemistry
| | - Zahra Pourmand Tehrani
- Laboratory for Multiscale Materials Experiments
- Paul Scherrer Institut
- CH-5232 Villigen PSI
- Switzerland
| | - Fatima Haydous
- Laboratory for Multiscale Materials Experiments
- Paul Scherrer Institut
- CH-5232 Villigen PSI
- Switzerland
- Division of Applied Physical Chemistry
| | - Thomas Lippert
- International Institute for Carbon-Neutral Energy Research (I2CNER)
- Kyushu University
- Fukuoka 819-0395
- Japan
- Laboratory for Multiscale Materials Experiments
| | - Tatsumi Ishihara
- International Institute for Carbon-Neutral Energy Research (I2CNER)
- Kyushu University
- Fukuoka 819-0395
- Japan
- Department of Applied Chemistry
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190
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Cardoso J, Stulp S, de Souza M, Hudari F, Gubiani J, Frem R, Zanoni M. The effective role of ascorbic acid in the photoelectrocatalytic reduction of CO2 preconcentrated on TiO2 nanotubes modified by ZIF-8. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113384] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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191
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Bhattacharya M, Chandler KJ, Geary J, Saouma CT. The role of leached Zr in the photocatalytic reduction of CO2 to formate by derivatives of UiO-66 metal organic frameworks. Dalton Trans 2020; 49:4751-4757. [DOI: 10.1039/d0dt00524j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Photoreduction of CO2 to formate by UiO-66 Zr MOF derivatives is explained by Zr leaching.
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Affiliation(s)
| | | | - Jackson Geary
- Department of Chemistry
- University of Utah
- Salt Lake City
- USA
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192
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Honda Y, Shinohara Y, Fujii H. Visible light-driven, external mediator-free H 2 production by a combination of a photosensitizer and a whole-cell biocatalyst: Escherichia coli expressing [FeFe]-hydrogenase and maturase genes. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01099e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new visible light-driven, external mediator-free, and highly efficient H2 production system is developed based on the combination of a photosensitizer and a living whole-cell biocatalyst: genetically engineered Escherichia coli.
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Affiliation(s)
- Yuki Honda
- Department of Chemistry, Biology, and Environmental Science
- Faculty of Science
- Nara Women's University
- Nara 630-8506
- Japan
| | - Yuka Shinohara
- Department of Chemistry, Biology, and Environmental Science
- Faculty of Science
- Nara Women's University
- Nara 630-8506
- Japan
| | - Hiroshi Fujii
- Department of Chemistry, Biology, and Environmental Science
- Faculty of Science
- Nara Women's University
- Nara 630-8506
- Japan
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193
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Li X, Surendran Rajasree S, Yu J, Deria P. The role of photoinduced charge transfer for photocatalysis, photoelectrocatalysis and luminescence sensing in metal–organic frameworks. Dalton Trans 2020; 49:12892-12917. [DOI: 10.1039/d0dt02143a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Understanding PCT taking place within MOFs is crucial for designing porous photo/electrocatalysts and luminescent sensors. Unique features of PCT in MOFs and recent progress along with state-of-the-art characterization methods are discussed in the context of its applications.
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Affiliation(s)
- Xinlin Li
- Department of Chemistry and Biochemistry
- Southern Illinois University
- Carbondale
- USA
| | | | - Jierui Yu
- Department of Chemistry and Biochemistry
- Southern Illinois University
- Carbondale
- USA
| | - Pravas Deria
- Department of Chemistry and Biochemistry
- Southern Illinois University
- Carbondale
- USA
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194
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Sampaio RN, Grills DC, Polyansky DE, Szalda DJ, Fujita E. Unexpected Roles of Triethanolamine in the Photochemical Reduction of CO2 to Formate by Ruthenium Complexes. J Am Chem Soc 2019; 142:2413-2428. [DOI: 10.1021/jacs.9b11897] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Renato N. Sampaio
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - David C. Grills
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - Dmitry E. Polyansky
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
| | - David J. Szalda
- Department of Natural Science, Baruch College, The City University of New York (CUNY), New York, New York 10010, United States
| | - Etsuko Fujita
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973-5000, United States
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195
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Reginato G, Zani L, Calamante M, Mordini A, Dessì A. Dye‐Sensitized Heterogeneous Photocatalysts for Green Redox Reactions. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201901174] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Gianna Reginato
- Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
| | - Lorenzo Zani
- Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
| | - Massimo Calamante
- Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Chemistry “U. Schiff” University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy
| | - Alessandro Mordini
- Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Chemistry “U. Schiff” University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy
| | - Alessio Dessì
- Institute of Chemistry of Organometallic Compounds (CNR‐ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
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196
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Cancelliere AM, Puntoriero F, Serroni S, Campagna S, Tamaki Y, Saito D, Ishitani O. Efficient trinuclear Ru(ii)-Re(i) supramolecular photocatalysts for CO 2 reduction based on a new tris-chelating bridging ligand built around a central aromatic ring. Chem Sci 2019; 11:1556-1563. [PMID: 32206277 PMCID: PMC7069366 DOI: 10.1039/c9sc04532e] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 12/11/2019] [Indexed: 12/03/2022] Open
Abstract
We have designed and synthesized a new tris-chelating polypyridine ligand (bpy3Ph) suitable to be used as a bridging ligand (BL) for constructing various supramolecular photocatalysts.
We have designed and synthesized a new tris-chelating polypyridine ligand (bpy3Ph) suitable to be used as a bridging ligand (BL) for constructing various supramolecular photocatalysts. This BL is a phenylene ring with three ethylene chains at 1, 3, and 5 positions, of which the other terminals are connected to 2,2′-bipyridine moieties. The ligand bpy3Ph has been used to prepare, according to a multi-step synthetic protocol, trinuclear supramolecular photocatalysts containing different metal subunits. In particular, the compounds Ru2Re and RuRe2 have been prepared, containing different ratios of components based on Ru(dmb)32+-type and Re(dmb)(CO)3Cl-type units (dmb = 4,4′-dimethyl-2,2′-bipyridine), which can play the roles of photosensitizers and catalyst units for photocatalytic CO2 reduction, respectively. The trinuclear model Ru3 and mononuclear and dinuclear Ru and Ru2 precursor metal complexes, containing free chelating sites, have also been synthesized using the same bridging ligand. The absorption spectra, redox behaviour and photophysical properties of the new species indicate that there is no strong electronic interaction among the Ru and Re units. The trinuclear complexes Ru2Re and RuRe2 could photocatalyze CO2 reduction to CO with high selectivity (up to 97%), high efficiency (ΦCOs of 28% and 25%, respectively: BIH as a reductant), and high durability (TONCOs of 5232 and 6038, respectively: BIH as a reductant) which are the largest TONs for CO2 reduction using supramolecular photocatalysts in homogeneous solutions. The absence of negligible accumulation of the mono-reduced form of the photosensitizer indicates fast electron transfer to the catalyst unit(s) through the relatively large bridging ligand and is proposed to contribute to the outstanding photocatalytic properties of the new species, including their durability. The relevant photocatalytic behaviour of the new systems indicates new avenues for the design of extended bridging ligands capable of efficiently and functionally integrating photosensitizers and catalysts towards the preparation of new, larger supramolecular photocatalysts for selective CO2 reduction.
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Affiliation(s)
- Ambra M Cancelliere
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali , Università di Messina , Centro di Ricerca Interuniversitario per la Conversione Chimica dell'energia Solare (SOLAR-CHEM, sezione di Messina) , Viale Ferdinando Stagno D'Alcontres, 31 , Messina , 98166 , Italy .
| | - Fausto Puntoriero
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali , Università di Messina , Centro di Ricerca Interuniversitario per la Conversione Chimica dell'energia Solare (SOLAR-CHEM, sezione di Messina) , Viale Ferdinando Stagno D'Alcontres, 31 , Messina , 98166 , Italy .
| | - Scolastica Serroni
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali , Università di Messina , Centro di Ricerca Interuniversitario per la Conversione Chimica dell'energia Solare (SOLAR-CHEM, sezione di Messina) , Viale Ferdinando Stagno D'Alcontres, 31 , Messina , 98166 , Italy .
| | - Sebastiano Campagna
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali , Università di Messina , Centro di Ricerca Interuniversitario per la Conversione Chimica dell'energia Solare (SOLAR-CHEM, sezione di Messina) , Viale Ferdinando Stagno D'Alcontres, 31 , Messina , 98166 , Italy .
| | - Yusuke Tamaki
- Department of Chemistry , School of Science , Tokyo Institute of Technology , 2-12-1-NE-1, O-okayama, Meguro-ku , Tokyo , 152-8550 , Japan .
| | - Daiki Saito
- Department of Chemistry , School of Science , Tokyo Institute of Technology , 2-12-1-NE-1, O-okayama, Meguro-ku , Tokyo , 152-8550 , Japan .
| | - Osamu Ishitani
- Department of Chemistry , School of Science , Tokyo Institute of Technology , 2-12-1-NE-1, O-okayama, Meguro-ku , Tokyo , 152-8550 , Japan .
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197
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Chakraborty S, Edwards EH, Kandemir B, Bren KL. Photochemical Hydrogen Evolution from Neutral Water with a Cobalt Metallopeptide Catalyst. Inorg Chem 2019; 58:16402-16410. [DOI: 10.1021/acs.inorgchem.9b02067] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Saikat Chakraborty
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Emily H. Edwards
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Banu Kandemir
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Kara L. Bren
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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198
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Vo NT, Mekmouche Y, Tron T, Guillot R, Banse F, Halime Z, Sircoglou M, Leibl W, Aukauloo A. A Reversible Electron Relay to Exclude Sacrificial Electron Donors in the Photocatalytic Oxygen Atom Transfer Reaction with O 2 in Water. Angew Chem Int Ed Engl 2019; 58:16023-16027. [PMID: 31553518 DOI: 10.1002/anie.201907337] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/27/2019] [Indexed: 12/18/2022]
Abstract
Using light energy and O2 for the direct chemical oxidation of organic substrates is a major challenge. A limitation is the use of sacrificial electron donors to activate O2 by reductive quenching of the photosensitizer, generating undesirable side products. A reversible electron acceptor, methyl viologen, can act as electron shuttle to oxidatively quench the photosensitizer, [Ru(bpy)3 ]2+ , generating the highly oxidized chromophore and the powerful reductant methyl-viologen radical MV+. . MV+. can then reduce an iron(III) catalyst to the iron(II) form and concomitantly O2 to O2 .- in an aqueous medium to generate an active iron(III)-(hydro)peroxo species. The oxidized photosensitizer is reset to its ground state by oxidizing an alkene substrate to an alkenyl radical cation. Closing the loop, the reaction of the iron reactive intermediate with the substrate or its radical cation leads to the formation of two oxygenated compounds, the diol and the aldehyde following two different pathways.
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Affiliation(s)
- Nhat Tam Vo
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France
| | - Yasmina Mekmouche
- Aix Marseille Université, Centrale Marseille, CNRS, ISM2 UMR 7313, 13397, Marseille, France
| | - Thierry Tron
- Aix Marseille Université, Centrale Marseille, CNRS, ISM2 UMR 7313, 13397, Marseille, France
| | - Régis Guillot
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France
| | - Frédéric Banse
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France
| | - Zakaria Halime
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France
| | - Marie Sircoglou
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France
| | - Winfried Leibl
- Institute for integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, UMR 9198, 91191, Gif-sur-Yvette, France
| | - Ally Aukauloo
- ICMMO, Université Paris Sud, Université Paris Saclay, CNRS, 91405, Orsay Cedex, France.,Institute for integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, UMR 9198, 91191, Gif-sur-Yvette, France
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199
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Chen W, Cai X, Ji L, Li X, Wang X, Zhang X, Gao Y, Feng F. A photosynthesis-inspired supramolecular system: caging photosensitizer and photocatalyst in apoferritin. PHOTOSYNTHESIS RESEARCH 2019; 142:169-180. [PMID: 31522365 DOI: 10.1007/s11120-019-00671-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/19/2019] [Indexed: 06/10/2023]
Abstract
Inspired by the bioinorganic structure of natural [FeFe]-hydrogenase ([FeFe]-H2ase) that possesses iron sulfur clusters to catalyze proton reduction to hydrogen (H2), we design a supramolecular photosystem by sequentially integrating hydrophobic ruthenium complex (as a photosensitizer) and diiron dithiolate complex (as a photocatalyst) into the inner surface or cavity of apoferritin via noncovalent interactions. This platform allows photosensitizer and catalyst to localize in a close proximity and short-distance electron transfer process to occur within a confined space. The resulted uniform core-shell nanocomposites were stable and well dispersed in water, and showed enhanced H2 generation activity in acidic solution as compared to the homogenous system without apoferritin participation.
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Affiliation(s)
- Weijian Chen
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Xuetong Cai
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Luyang Ji
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Xiao Li
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Xuewei Wang
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Xiaoran Zhang
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Yajing Gao
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China
| | - Fude Feng
- Key Laboratory of High Performance Polymer Material and Technology of Ministry of Education, Department of Polymer Science & Engineering, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing, 210023, People's Republic of China.
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Kerzig C, Wenger OS. Reactivity control of a photocatalytic system by changing the light intensity. Chem Sci 2019; 10:11023-11029. [PMID: 32206254 PMCID: PMC7069242 DOI: 10.1039/c9sc04584h] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 10/08/2019] [Indexed: 12/13/2022] Open
Abstract
By using simple optics such as a lens, switching between one- and two-photon driven reaction mechanisms became feasible, which allows the control over the main products of photochemical reactions.
We report a novel light-intensity dependent reactivity approach allowing us to selectively switch between triplet energy transfer and electron transfer reactions, or to regulate the redox potential available for challenging reductions. Simply by adjusting the light power density with an inexpensive lens while keeping all other parameters constant, we achieved control over one- and two-photon mechanisms, and successfully exploited our approach for lab-scale photoreactions using three substrate classes with excellent selectivities and good product yields. Specifically, our proof-of-concept study demonstrates that the irradiation intensity can be used to control (i) the available photoredox reactivity for reductive dehalogenations to selectively target either bromo- or chloro-substituted arenes, (ii) the photochemical cis–trans isomerization of olefins versus their photoreduction, and (iii) the competition between hydrogen atom abstraction and radical dimerization processes.
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Affiliation(s)
- Christoph Kerzig
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland . ;
| | - Oliver S Wenger
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland . ;
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