101
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Ros C, Andreu T, Hernández-Alonso MD, Penelas-Pérez G, Arbiol J, Morante JR. Charge Transfer Characterization of ALD-Grown TiO 2 Protective Layers in Silicon Photocathodes. ACS APPLIED MATERIALS & INTERFACES 2017; 9:17932-17941. [PMID: 28468493 DOI: 10.1021/acsami.7b02996] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
A critical parameter for the implementation of standard high-efficiency photovoltaic absorber materials for photoelectrochemical water splitting is its proper protection from chemical corrosion while remaining transparent and highly conductive. Atomic layer deposited (ALD) TiO2 layers fulfill material requirements while conformally protecting the underlying photoabsorber. Nanoscale conductivity of ALD TiO2 protective layers on silicon-based photocathodes has been analyzed, proving that the conduction path is through the columnar crystalline structure of TiO2. Deposition temperature has been explored from 100 to 300 °C, and a temperature threshold is found to be mandatory for an efficient charge transfer, as a consequence of layer crystallization between 100 and 200 °C. Completely crystallized TiO2 is demonstrated to be mandatory for long-term stability, as seen in the 300 h continuous operation test.
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Affiliation(s)
- Carles Ros
- Catalonia Institute for Energy Research (IREC) , Jardins de les Dones de Negre 1, Sant Adrià del Besòs, 08930 Barcelona, Spain
| | - Teresa Andreu
- Catalonia Institute for Energy Research (IREC) , Jardins de les Dones de Negre 1, Sant Adrià del Besòs, 08930 Barcelona, Spain
- Universitat de Barcelona (UB) , Martí i Franquès, 1, 08028 Barcelona, Spain
| | | | - Germán Penelas-Pérez
- Repsol Technology Center , Agustín de Betancourt, s/n, Móstoles, 28935 Madrid, Spain
| | - Jordi Arbiol
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST) , Campus UAB, Bellaterra, 08193 Barcelona, Spain
- ICREA , Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Joan R Morante
- Catalonia Institute for Energy Research (IREC) , Jardins de les Dones de Negre 1, Sant Adrià del Besòs, 08930 Barcelona, Spain
- Universitat de Barcelona (UB) , Martí i Franquès, 1, 08028 Barcelona, Spain
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102
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Wellman SMJ, Jockusch RA. Tuning the Intrinsic Photophysical Properties of Chlorophylla. Chemistry 2017; 23:7728-7736. [DOI: 10.1002/chem.201605167] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Indexed: 12/31/2022]
Affiliation(s)
- Sydney M. J. Wellman
- Department of Chemistry; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Rebecca A. Jockusch
- Department of Chemistry; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
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103
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104
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Najafpour MM, Heidari S, Balaghi SE, Hołyńska M, Sadr MH, Soltani B, Khatamian M, Larkum AW, Allakhverdiev SI. Proposed mechanisms for water oxidation by Photosystem II and nanosized manganese oxides. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2017; 1858:156-174. [DOI: 10.1016/j.bbabio.2016.11.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 11/05/2016] [Accepted: 11/08/2016] [Indexed: 12/18/2022]
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105
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Cabrera-Espinoza A, Insuasty B, Ortiz A. Synthesis, the electronic properties and efficient photoinduced electron transfer of new pyrrolidine[60]fullerene- and isoxazoline[60]fullerene-BODIPY dyads: nitrile oxide cycloaddition under mild conditions using PIFA. NEW J CHEM 2017. [DOI: 10.1039/c7nj02057k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first synthesis of fulleroisoxazoline-BODIPY whose electron-accepting ability of the C60 cage is better than its fulleropyrrolidine-BODIPY counterpart.
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Affiliation(s)
- Andrea Cabrera-Espinoza
- Heterocyclic Compounds Research Group
- Department of Chemistry
- Universidad del Valle
- Cali
- Colombia
| | - Braulio Insuasty
- Heterocyclic Compounds Research Group
- Department of Chemistry
- Universidad del Valle
- Cali
- Colombia
| | - Alejandro Ortiz
- Heterocyclic Compounds Research Group
- Department of Chemistry
- Universidad del Valle
- Cali
- Colombia
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106
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Wang Q, Hisatomi T, Katayama M, Takata T, Minegishi T, Kudo A, Yamada T, Domen K. Particulate photocatalyst sheets for Z-scheme water splitting: advantages over powder suspension and photoelectrochemical systems and future challenges. Faraday Discuss 2017; 197:491-504. [DOI: 10.1039/c6fd00184j] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Water splitting using semiconductor photocatalysts has been attracting growing interest as a means of solar energy based conversion of water to hydrogen, a clean and renewable fuel. Z-scheme photocatalytic water splitting based on the two-step excitation of an oxygen evolution photocatalyst (OEP) and a hydrogen evolution photocatalyst (HEP) is a promising approach toward the utilisation of visible light. In particular, a photocatalyst sheet system consisting of HEP and OEP particles embedded in a conductive layer has been recently proposed as a new means of obtaining efficient and scalable redox mediator-free Z-scheme solar water splitting. In this paper, we discuss the advantages and disadvantages of the photocatalyst sheet approach compared to conventional photocatalyst powder suspension and photoelectrochemical systems through an examination of the water splitting activity of Z-scheme systems based on SrTiO3:La,Rh as the HEP and BiVO4:Mo as the OEP. This photocatalyst sheet was found to split pure water much more efficiently than the powder suspension and photoelectrochemical systems, because the underlying metal layer efficiently transfers electrons from the OEP to the HEP. The photocatalyst sheet also outperformed a photoelectrochemical parallel cell during pure water splitting. The effects of H+/OH− concentration overpotentials and of the IR drop are reduced in the case of the photocatalyst sheet compared to photoelectrochemical systems, because the HEP and OEP are situated in close proximity to one another. Therefore, the photocatalyst sheet design is well-suited to efficient large-scale applications. Nevertheless, it is also noted that the photocatalytic activity of these sheets drops markedly with increasing background pressure because of reverse reactions involving molecular oxygen under illumination as well as delays in gas bubble desorption. It is shown that appropriate surface modifications allow the photocatalyst sheet to maintain its water splitting activity at elevated pressure. Accordingly, we conclude that the photocatalyst sheet system is a viable option for the realisation of efficient solar fuel production.
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Affiliation(s)
- Qian Wang
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Takashi Hisatomi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Masao Katayama
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Tsuyoshi Takata
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Tsutomu Minegishi
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Akihiko Kudo
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Taro Yamada
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
| | - Kazunari Domen
- Department of Chemical System Engineering
- School of Engineering
- The University of Tokyo
- Tokyo 113-8656
- Japan
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107
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Halan B, Tschörtner J, Schmid A. Generating Electric Current by Bioartificial Photosynthesis. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2017; 167:361-393. [PMID: 29224082 DOI: 10.1007/10_2017_44] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Abundant solar energy can be a sustainable source of energy. This chapter highlights recent advancements, challenges, and future scenarios in bioartificial photosynthesis, which is a new subset of bioelectrochemical systems (BESs) and technologies. BES technologies exploit the catalytic interactions between biological moieties and electrodes. At the nexus of BES and photovoltaics, this review focuses on light-harvesting technologies based on bioartificial photosynthesis. Such technologies are promising because electrical energy is generated from sunlight and water without the need for additional organic feedstock. This review focuses on photosynthetic electron generation and transfer and compares the current status of bioartificial photosynthesis with other artificial systems that mimic the chemistry of photosynthetic energy transformation.The fundamental principles and the operation of functional units of bioartificial photosynthesis are addressed. Selected photobioelectrochemical systems employed to obtain light-driven electric currents from photosynthetic organisms are presented. The achievable current output and theoretical maxima are revisited by conceptualizing operational and process window techniques. Factors affecting overall photocurrent efficiency, performance limitations, and scaleup bottlenecks are highlighted in view of enhancing the energy conversion efficiency of photobioelectrochemical systems. To finish, the challenges associated with bioartificial photosynthetic technologies are outlined. Graphical Abstract Operational window for (bio-)artificial photosynthesis. Green circle in the upper right corner: development objective for research and engineering efforts.
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Affiliation(s)
- Babu Halan
- Department of Solar Materials, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
| | - Jenny Tschörtner
- Department of Solar Materials, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany
| | - Andreas Schmid
- Department of Solar Materials, Helmholtz Centre for Environmental Research GmbH - UFZ, Leipzig, Germany.
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108
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Heberle M, Tschierlei S, Rockstroh N, Ringenberg M, Frey W, Junge H, Beller M, Lochbrunner S, Karnahl M. Heteroleptic Copper Photosensitizers: Why an Extended π-System Does Not Automatically Lead to Enhanced Hydrogen Production. Chemistry 2016; 23:312-319. [DOI: 10.1002/chem.201604005] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Martin Heberle
- Institute of Organic Chemistry; University of Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Stefanie Tschierlei
- Institute of Organic Chemistry; University of Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
- Institute of Physics; University of Rostock; Albert-Einstein-Str. 23 18059 Rostock Germany
| | - Nils Rockstroh
- Leibniz-Institute for Catalysis at the; University of Rostock (LIKAT); Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Mark Ringenberg
- Institute of Inorganic Chemistry; University of Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry; University of Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Henrik Junge
- Leibniz-Institute for Catalysis at the; University of Rostock (LIKAT); Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institute for Catalysis at the; University of Rostock (LIKAT); Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Stefan Lochbrunner
- Institute of Physics; University of Rostock; Albert-Einstein-Str. 23 18059 Rostock Germany
| | - Michael Karnahl
- Institute of Organic Chemistry; University of Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
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109
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Liu N, Qu R, Chen Y, Cao Y, Zhang W, Lin X, Wei Y, Feng L, Jiang L. In situ dual-functional water purification with simultaneous oil removal and visible light catalysis. NANOSCALE 2016; 8:18558-18564. [PMID: 27782258 DOI: 10.1039/c6nr06583j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Dual purification of both oily wastewater and dye-polluted water for enhancing the use of freshwater is an urgent task. We report herein, the facile synthesis of inorganic semiconductor nanomaterials anchored mesh for in situ dual-functional water purification. This resultant mesh combines the excellent capacity of oil removal and the advantage of photocatalytic performance for dye degradation under visible light irradiation at the same time. In addition, the mesh was easily regenerated and remained unaltered in photocatalytic performance over five successive dye degradation cycles. Given the innovative integration of special wettability and photocatalytic activity of such a semiconductor material under visible light for dual elimination of various pollutants from water, we anticipate that this approach will provide a promising pathway for versatile applications in oily wastewater treatment, water purification and so on.
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Affiliation(s)
- Na Liu
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Ruixiang Qu
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Yuning Chen
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Yingze Cao
- Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing, 100094, P. R. China
| | - Weifeng Zhang
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Xin Lin
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Yen Wei
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Lin Feng
- Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China.
| | - Lei Jiang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
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110
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Liu G, Du K, Haussener S, Wang K. Charge Transport in Two-Photon Semiconducting Structures for Solar Fuels. CHEMSUSCHEM 2016; 9:2878-2904. [PMID: 27624337 DOI: 10.1002/cssc.201600773] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Indexed: 06/06/2023]
Abstract
Semiconducting heterostructures are emerging as promising light absorbers and offer effective electron-hole separation to drive solar chemistry. This technology relies on semiconductor composites or photoelectrodes that work in the presence of a redox mediator and that create cascade junctions to promote surface catalytic reactions. Rational tuning of their structures and compositions is crucial to fully exploit their functionality. In this review, we describe the possibilities of applying the two-photon concept to the field of solar fuels. A wide range of strategies including the indirect combination of two semiconductors by a redox couple, direct coupling of two semiconductors, multicomponent structures with a conductive mediator, related photoelectrodes, as well as two-photon cells are discussed for light energy harvesting and charge transport. Examples of charge extraction models from the literature are summarized to understand the mechanism of interfacial carrier dynamics and to rationalize experimental observations. We focus on a working principle of the constituent components and linking the photosynthetic activity with the proposed models. This work gives a new perspective on artificial photosynthesis by taking simultaneous advantages of photon absorption and charge transfer, outlining an encouraging roadmap towards solar fuels.
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Affiliation(s)
- Guohua Liu
- Department of Micro and Nano Systems Technology, University College of Southeast Norway, Horten, 3184, Norway
- School of Energy and Environment, Anhui University of Technology, Maanshan, 243002, PR China
| | - Kang Du
- Department of Micro and Nano Systems Technology, University College of Southeast Norway, Horten, 3184, Norway
| | - Sophia Haussener
- Institute of Mechanical Engineering, Ecole Polytechnique Federale de Lausanne, 1015, Lausanne, Switzerland
| | - Kaiying Wang
- Department of Micro and Nano Systems Technology, University College of Southeast Norway, Horten, 3184, Norway.
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111
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Tapia C, Milton RD, Pankratova G, Minteer SD, Åkerlund H, Leech D, De Lacey AL, Pita M, Gorton L. Wiring of Photosystem I and Hydrogenase on an Electrode for Photoelectrochemical H
2
Production by using Redox Polymers for Relatively Positive Onset Potential. ChemElectroChem 2016. [DOI: 10.1002/celc.201600506] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Cristina Tapia
- Instituto de Catalisis y Petroleoquimica CSIC, C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Ross D. Milton
- Department of Chemistry University of Utah 315 S 1400 E Rm 2020 Salt Lake City Utah USA
- School of Chemistry National University of Ireland Galway University Road Galway Ireland
| | - Galina Pankratova
- Department of Biochemistry and Structural Biology Lund University P.O.Box 124 22100 Lund Sweden
| | - Shelley D. Minteer
- Department of Chemistry University of Utah 315 S 1400 E Rm 2020 Salt Lake City Utah USA
| | - Hans‐Erik Åkerlund
- Department of Biochemistry and Structural Biology Lund University P.O.Box 124 22100 Lund Sweden
| | - Dónal Leech
- School of Chemistry National University of Ireland Galway University Road Galway Ireland
| | - Antonio L. De Lacey
- Instituto de Catalisis y Petroleoquimica CSIC, C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Marcos Pita
- Instituto de Catalisis y Petroleoquimica CSIC, C/ Marie Curie 2, L10 28049 Madrid Spain
| | - Lo Gorton
- Department of Biochemistry and Structural Biology Lund University P.O.Box 124 22100 Lund Sweden
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112
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Brinkert K, Le Formal F, Li X, Durrant J, Rutherford AW, Fantuzzi A. Photocurrents from photosystem II in a metal oxide hybrid system: Electron transfer pathways. BIOCHIMICA ET BIOPHYSICA ACTA 2016; 1857:1497-1505. [PMID: 26946088 PMCID: PMC4990130 DOI: 10.1016/j.bbabio.2016.03.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 02/19/2016] [Accepted: 03/01/2016] [Indexed: 12/21/2022]
Abstract
We have investigated the nature of the photocurrent generated by Photosystem II (PSII), the water oxidizing enzyme, isolated from Thermosynechococcus elongatus, when immobilized on nanostructured titanium dioxide on an indium tin oxide electrode (TiO2/ITO). We investigated the properties of the photocurrent from PSII when immobilized as a monolayer versus multilayers, in the presence and absence of an inhibitor that binds to the site of the exchangeable quinone (QB) and in the presence and absence of exogenous mobile electron carriers (mediators). The findings indicate that electron transfer occurs from the first quinone (QA) directly to the electrode surface but that the electron transfer through the nanostructured metal oxide is the rate-limiting step. Redox mediators enhance the photocurrent by taking electrons from the nanostructured semiconductor surface to the ITO electrode surface not from PSII. This is demonstrated by photocurrent enhancement using a mediator incapable of accepting electrons from PSII. This model for electron transfer also explains anomalies reported in the literature using similar and related systems. The slow rate of the electron transfer step in the TiO2 is due to the energy level of electron injection into the semiconducting material being below the conduction band. This limits the usefulness of the present hybrid electrode. Strategies to overcome this kinetic limitation are discussed.
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Affiliation(s)
- Katharina Brinkert
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK
| | - Florian Le Formal
- Department of Chemistry, Imperial College London, London SW7 2AZ, UK
| | - Xiaoe Li
- Department of Chemistry, Imperial College London, London SW7 2AZ, UK
| | - James Durrant
- Department of Chemistry, Imperial College London, London SW7 2AZ, UK
| | | | - Andrea Fantuzzi
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK.
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113
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Hybrid bio-photo-electro-chemical cells for solar water splitting. Nat Commun 2016; 7:12552. [PMID: 27550091 PMCID: PMC4996976 DOI: 10.1038/ncomms12552] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 07/12/2016] [Indexed: 11/21/2022] Open
Abstract
Photoelectrochemical water splitting uses solar power to decompose water to hydrogen and oxygen. Here we show how the photocatalytic activity of thylakoid membranes leads to overall water splitting in a bio-photo-electro-chemical (BPEC) cell via a simple process. Thylakoids extracted from spinach are introduced into a BPEC cell containing buffer solution with ferricyanide. Upon solar-simulated illumination, water oxidation takes place and electrons are shuttled by the ferri/ferrocyanide redox couple from the thylakoids to a transparent electrode serving as the anode, yielding a photocurrent density of 0.5 mA cm−2. Hydrogen evolution occurs at the cathode at a bias as low as 0.8 V. A tandem cell comprising the BPEC cell and a Si photovoltaic module achieves overall water splitting with solar to hydrogen efficiency of 0.3%. These results demonstrate the promise of combining natural photosynthetic membranes and man-made photovoltaic cells in order to convert solar power into hydrogen fuel. Photoelectrochemical water splitting uses solar power to decompose water to hydrogen and oxygen. Here, the authors integrate thylakoid membranes extracted from spinach into a bio-photo-electro-chemical cell capable of overall water splitting without the need for any sacrificial reagents.
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114
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Kim SH, Chung GY, Kim SH, Vinothkumar G, Yoon SH, Jung KD. Electrochemical NADH regeneration and electroenzymatic CO2 reduction on Cu nanorods/glassy carbon electrode prepared by cyclic deposition. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.06.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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115
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Frank M, Ahrens J, Bejenke I, Krick M, Schwarzer D, Clever GH. Light-Induced Charge Separation in Densely Packed Donor–Acceptor Coordination Cages. J Am Chem Soc 2016; 138:8279-87. [DOI: 10.1021/jacs.6b04609] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Marina Frank
- Institute
for Inorganic Chemistry, Georg-August University Göttingen, Tammannstraße
4, 37077 Göttingen, Germany
| | - Jennifer Ahrens
- Max-Planck-Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
| | - Isabel Bejenke
- Institute
for Inorganic Chemistry, Georg-August University Göttingen, Tammannstraße
4, 37077 Göttingen, Germany
| | - Marcel Krick
- Institute
for Inorganic Chemistry, Georg-August University Göttingen, Tammannstraße
4, 37077 Göttingen, Germany
| | - Dirk Schwarzer
- Max-Planck-Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany
| | - Guido H. Clever
- Institute
for Inorganic Chemistry, Georg-August University Göttingen, Tammannstraße
4, 37077 Göttingen, Germany
- Faculty
of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Straße
6, 44227 Dortmund, Germany
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116
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Hosseinzadeh P, Lu Y. Design and fine-tuning redox potentials of metalloproteins involved in electron transfer in bioenergetics. BIOCHIMICA ET BIOPHYSICA ACTA 2016; 1857:557-581. [PMID: 26301482 PMCID: PMC4761536 DOI: 10.1016/j.bbabio.2015.08.006] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Accepted: 08/20/2015] [Indexed: 12/25/2022]
Abstract
Redox potentials are a major contributor in controlling the electron transfer (ET) rates and thus regulating the ET processes in the bioenergetics. To maximize the efficiency of the ET process, one needs to master the art of tuning the redox potential, especially in metalloproteins, as they represent major classes of ET proteins. In this review, we first describe the importance of tuning the redox potential of ET centers and its role in regulating the ET in bioenergetic processes including photosynthesis and respiration. The main focus of this review is to summarize recent work in designing the ET centers, namely cupredoxins, cytochromes, and iron-sulfur proteins, and examples in design of protein networks involved these ET centers. We then discuss the factors that affect redox potentials of these ET centers including metal ion, the ligands to metal center and interactions beyond the primary ligand, especially non-covalent secondary coordination sphere interactions. We provide examples of strategies to fine-tune the redox potential using both natural and unnatural amino acids and native and nonnative cofactors. Several case studies are used to illustrate recent successes in this area. Outlooks for future endeavors are also provided. This article is part of a Special Issue entitled Biodesign for Bioenergetics--the design and engineering of electronic transfer cofactors, proteins and protein networks, edited by Ronald L. Koder and J.L. Ross Anderson.
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Affiliation(s)
- Parisa Hosseinzadeh
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews St., Urbana, IL, 61801, USA
| | - Yi Lu
- Department of Chemistry and Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews St., Urbana, IL, 61801, USA.
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117
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Nanoscale Engineering in the Development of Photoelectrocatalytic Cells for Producing Solar Fuels. Top Catal 2016. [DOI: 10.1007/s11244-016-0547-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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118
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Ampelli C, Genovese C, Marepally BC, Papanikolaou G, Perathoner S, Centi G. Electrocatalytic conversion of CO2 to produce solar fuels in electrolyte or electrolyte-less configurations of PEC cells. Faraday Discuss 2016; 183:125-45. [PMID: 26392133 DOI: 10.1039/c5fd00069f] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The electrocatalytic reduction of CO2 is studied on a series of electrodes (based on Cu, Co, Fe and Pt metal nanoparticles deposited on carbon nanotubes or carbon black and then placed at the interface between a Nafion membrane and a gas-diffusion-layer electrode) on two types of cells: one operating in the presence of a liquid bulk electrolyte and the other in the absence of the electrolyte (electrolyte-less conditions). The results evidence how the latter conditions allow productivity of about one order of magnitude higher and how to change the type of products formed. Under electrolyte-less conditions, the formation of >C2 products such as acetone and isopropanol is observed, but not in liquid-phase cell operations on the same electrodes. The relative order of productivity in CO2 electrocatalytic reduction in the series of electrodes investigated is also different between the two types of cells. The implications of these results in terms of possible differences in the reaction mechanism are commented on, as well as in terms of the design of photoelectrocatalytic (PEC) solar cells.
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Affiliation(s)
- C Ampelli
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
| | - C Genovese
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
| | - B C Marepally
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
| | - G Papanikolaou
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
| | - S Perathoner
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
| | - G Centi
- Dept. DIECII, Section Industrial Chemistry, University of Messina, CASPE/INSTM and ERIC aisbl, V.le F. Stagno D'Alcontres 31, 98166 Messina, Italy.
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119
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Perathoner S, Centi G, Su D. Turning Perspective in Photoelectrocatalytic Cells for Solar Fuels. CHEMSUSCHEM 2016; 9:345-357. [PMID: 26663767 DOI: 10.1002/cssc.201501059] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 10/12/2015] [Indexed: 06/05/2023]
Abstract
The development of new devices for the use and storage of solar energy is a key step to enable a new sustainable energy scenario. The route for direct solar-to-chemical energy transformation, especially to produce liquid fuels, represents a necessary element to realize transition from the actual energy infrastructure. Photoelectrocatalytic (PECa) devices for the production of solar fuels are a key element to enable this sustainable scenario. The development of PECa devices and related materials is of increasing scientific and applied interest. This concept paper introduces the need to turn the viewpoint of research in terms of PECa cell design and related materials with respect to mainstream activities in the field of artificial photosynthesis and leaves. As an example of a new possible direction, the concept of electrolyte-less cell design for PECa cells to produce solar fuels by reduction of CO2 is presented. The fundamental and applied development of new materials and electrodes for these cells should proceed fully integrated with PECa cell design and systematic analysis. A new possible approach to develop semiconductors with improved performances by using visible light is also shortly presented.
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Affiliation(s)
- Siglinda Perathoner
- Department of Electrical Engineering, Industrial Chemistry and Engineering (DIECII), Section Industrial Chemistry, University of Messina, ERIC aisbl and CASPE/INSTM, V.le F. Stagno D'Alcontras 31, 98166, Messina, Italy.
| | - Gabriele Centi
- Department of Electrical Engineering, Industrial Chemistry and Engineering (DIECII), Section Industrial Chemistry, University of Messina, ERIC aisbl and CASPE/INSTM, V.le F. Stagno D'Alcontras 31, 98166, Messina, Italy.
| | - Dangsheng Su
- Fritz Haber Institute of the Max Planck Society, Faradayweg 4-6, 14195, Berlin, Germany
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Science, 72 Wenhua Road, Shenyang, 110006, P.R. China
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120
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Najafpour MM, Renger G, Hołyńska M, Moghaddam AN, Aro EM, Carpentier R, Nishihara H, Eaton-Rye JJ, Shen JR, Allakhverdiev SI. Manganese Compounds as Water-Oxidizing Catalysts: From the Natural Water-Oxidizing Complex to Nanosized Manganese Oxide Structures. Chem Rev 2016; 116:2886-936. [PMID: 26812090 DOI: 10.1021/acs.chemrev.5b00340] [Citation(s) in RCA: 332] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
All cyanobacteria, algae, and plants use a similar water-oxidizing catalyst for water oxidation. This catalyst is housed in Photosystem II, a membrane-protein complex that functions as a light-driven water oxidase in oxygenic photosynthesis. Water oxidation is also an important reaction in artificial photosynthesis because it has the potential to provide cheap electrons from water for hydrogen production or for the reduction of carbon dioxide on an industrial scale. The water-oxidizing complex of Photosystem II is a Mn-Ca cluster that oxidizes water with a low overpotential and high turnover frequency number of up to 25-90 molecules of O2 released per second. In this Review, we discuss the atomic structure of the Mn-Ca cluster of the Photosystem II water-oxidizing complex from the viewpoint that the underlying mechanism can be informative when designing artificial water-oxidizing catalysts. This is followed by consideration of functional Mn-based model complexes for water oxidation and the issue of Mn complexes decomposing to Mn oxide. We then provide a detailed assessment of the chemistry of Mn oxides by considering how their bulk and nanoscale properties contribute to their effectiveness as water-oxidizing catalysts.
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Affiliation(s)
| | - Gernot Renger
- Institute of Chemistry, Max-Volmer-Laboratory of Biophysical Chemistry, Technical University Berlin , Straße des 17. Juni 135, D-10623 Berlin, Germany
| | - Małgorzata Hołyńska
- Fachbereich Chemie und Wissenschaftliches Zentrum für Materialwissenschaften (WZMW), Philipps-Universität Marburg , Hans-Meerwein-Straße, D-35032 Marburg, Germany
| | | | - Eva-Mari Aro
- Department of Biochemistry and Food Chemistry, University of Turku , 20014 Turku, Finland
| | - Robert Carpentier
- Groupe de Recherche en Biologie Végétale (GRBV), Université du Québec à Trois-Rivières , C.P. 500, Trois-Rivières, Québec G9A 5H7, Canada
| | - Hiroshi Nishihara
- Department of Chemistry, School of Science, The University of Tokyo , 7-3-1, Hongo, Bunkyo-Ku, Tokyo 113-0033, Japan
| | - Julian J Eaton-Rye
- Department of Biochemistry, University of Otago , P.O. Box 56, Dunedin 9054, New Zealand
| | - Jian-Ren Shen
- Photosynthesis Research Center, Graduate School of Natural Science and Technology, Faculty of Science, Okayama University , Okayama 700-8530, Japan.,Photosynthesis Research Center, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences , Beijing 100093, China
| | - Suleyman I Allakhverdiev
- Controlled Photobiosynthesis Laboratory, Institute of Plant Physiology, Russian Academy of Sciences , Botanicheskaya Street 35, Moscow 127276, Russia.,Institute of Basic Biological Problems, Russian Academy of Sciences , Pushchino, Moscow Region 142290, Russia.,Department of Plant Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University , Leninskie Gory 1-12, Moscow 119991, Russia
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121
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Rudolf M, Kirner SV, Guldi DM. A multicomponent molecular approach to artificial photosynthesis – the role of fullerenes and endohedral metallofullerenes. Chem Soc Rev 2016; 45:612-30. [DOI: 10.1039/c5cs00774g] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this review article, we highlight recent advances in the field of solar energy conversion at a molecular level.
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Affiliation(s)
- M. Rudolf
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-University Erlangen-Nuremberg
- 91058 Erlangen
- Germany
| | - S. V. Kirner
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-University Erlangen-Nuremberg
- 91058 Erlangen
- Germany
| | - D. M. Guldi
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-University Erlangen-Nuremberg
- 91058 Erlangen
- Germany
- Physical Biosciences Division
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122
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Králík A, Hansen M, König B. Immobilisation of water-oxidising amphiphilic ruthenium complexes on unmodified silica gel. RSC Adv 2016. [DOI: 10.1039/c5ra24088c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Amphiphilic ruthenium complexes immobilised on bare silica gel are an easily prepared heterogeneous system for photocatalytic and chemical water oxidation.
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Affiliation(s)
- A. Králík
- Institute of Organic Chemistry
- University of Regensburg
- D-93040 Regensburg
- Germany
| | - M. Hansen
- Institute of Organic Chemistry
- University of Regensburg
- D-93040 Regensburg
- Germany
| | - B. König
- Institute of Organic Chemistry
- University of Regensburg
- D-93040 Regensburg
- Germany
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123
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Panetier JA, Letko CS, Tilley TD, Head-Gordon M. Computational Characterization of Redox Non-Innocence in Cobalt-Bis(Diaryldithiolene)-Catalyzed Proton Reduction. J Chem Theory Comput 2015; 12:223-30. [DOI: 10.1021/acs.jctc.5b00968] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Julien A. Panetier
- Joint
Center for Artificial Photosynthesis, Materials Sciences Division and ‡Chemical Sciences
Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, United States
| | - Christopher S. Letko
- Joint
Center for Artificial Photosynthesis, Materials Sciences Division and ‡Chemical Sciences
Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, United States
| | - T. Don Tilley
- Joint
Center for Artificial Photosynthesis, Materials Sciences Division and ‡Chemical Sciences
Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, United States
| | - Martin Head-Gordon
- Joint
Center for Artificial Photosynthesis, Materials Sciences Division and ‡Chemical Sciences
Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, United States
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124
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Wondraczek L, Tyystjärvi E, Méndez-Ramos J, Müller FA, Zhang Q. Shifting the Sun: Solar Spectral Conversion and Extrinsic Sensitization in Natural and Artificial Photosynthesis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2015; 2:1500218. [PMID: 27774377 PMCID: PMC5063168 DOI: 10.1002/advs.201500218] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 09/07/2015] [Indexed: 05/22/2023]
Abstract
Solar energy harvesting is largely limited by the spectral sensitivity of the employed energy conversion system, where usually large parts of the solar spectrum do not contribute to the harvesting scheme, and where, of the contributing fraction, the full potential of each photon is not efficiently used in the generation of electrical or chemical energy. Extrinsic sensitization through photoluminescent spectral conversion has been proposed as a route to at least partially overcome this problem. Here, we discuss this approach in the emerging context of photochemical energy harvesting and storage through natural or artificial photosynthesis. Clearly contrary to application in photovoltaic energy conversion, implementation of solar spectral conversion for extrinsic sensitization of a photosynthetic machinery is very straightforward, and-when compared to intrinsic sensitization-less-strict limitations with regard to quantum coherence are seen. We now argue the ways in which extrinsic sensitization through photoluminescent spectral converters will-and will not-play its role in the area of ultra-efficient photosynthesis, and also illustrate how such extrinsic sensitization requires dedicated selection of specific conversion schemes and design strategies on system scale.
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Affiliation(s)
- Lothar Wondraczek
- Otto Schott Institute of Materials Research University of Jena Jena 07743 Germany; Centre for Energy and Environmental Chemistry (CEEC)University of Jena Jena 07743 Germany
| | - Esa Tyystjärvi
- Department of Biochemistry and Food Chemistry University of Turku 20014 Turku Finland
| | - Jorge Méndez-Ramos
- Department of Physics University La Laguna 38206 La Laguna Tenerife Spain
| | - Frank A Müller
- Otto Schott Institute of Materials Research University of Jena Jena 07743 Germany; Centre for Energy and Environmental Chemistry (CEEC)University of Jena Jena 07743 Germany
| | - Qinyuan Zhang
- State Key Laboratory of Luminescent Materials and Devices Institute of Optical Communication Materials South China University of Technology Guangzhou 510640 P.R. China
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125
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Indra A, Menezes PW, Schuster F, Driess M. Significant role of Mn(III) sites in eg1 configuration in manganese oxide catalysts for efficient artificial water oxidation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 152:156-61. [DOI: 10.1016/j.jphotobiol.2014.11.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 10/31/2014] [Accepted: 11/17/2014] [Indexed: 11/17/2022]
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126
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Balzani V, Bergamini G, Ceroni P. Licht: außergewöhnlicher Reaktionspartner und außergewöhnliches Produkt. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502325] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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127
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Balzani V, Bergamini G, Ceroni P. Light: A Very Peculiar Reactant and Product. Angew Chem Int Ed Engl 2015; 54:11320-37. [DOI: 10.1002/anie.201502325] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Vincenzo Balzani
- Dipartimento di Chimica “G. Ciamician”, Università di Bologna via Selmi 2, 40126 Bologna (Italy)
| | - Giacomo Bergamini
- Dipartimento di Chimica “G. Ciamician”, Università di Bologna via Selmi 2, 40126 Bologna (Italy)
| | - Paola Ceroni
- Dipartimento di Chimica “G. Ciamician”, Università di Bologna via Selmi 2, 40126 Bologna (Italy)
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128
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Larsen JM, Espinoza EM, Hartman JD, Lin CK, Wurch M, Maheshwari P, Kaushal RK, Marsella MJ, Beran GJO, Vullev VI. Building blocks for bioinspired electrets: molecular-level approach to materials for energy and electronics. PURE APPL CHEM 2015. [DOI: 10.1515/pac-2015-0109] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractIn biology, an immense diversity of protein structural and functional motifs originates from only 20 common proteinogenic native amino acids arranged in various sequences. Is it possible to attain the same diversity in electronic materials based on organic macromolecules composed of non-native residues with different characteristics? This publication describes the design, preparation and characterization of non-native aromatic β-amino acid residues, i.e. derivatives of anthranilic acid, for polyamides that can efficiently mediate hole transfer. Chemical derivatization with three types of substituents at two positions of the aromatic ring allows for adjusting the energy levels of the frontier orbitals of the anthranilamide residues over a range of about one electronvolt. Most importantly, the anthranilamide residues possess permanent electric dipoles, adding to the electronic properties of the bioinspired conjugates they compose, making them molecular electrets.
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Affiliation(s)
- Jillian M. Larsen
- 1Department of Bioengineering, University of California, Riverside, CA, 92507, USA
| | - Eli M. Espinoza
- 2Department of Chemistry, University of California, Riverside, CA, 92507, USA
| | - Joshua D. Hartman
- 2Department of Chemistry, University of California, Riverside, CA, 92507, USA
| | - Chung-Kuang Lin
- 1Department of Bioengineering, University of California, Riverside, CA, 92507, USA
| | - Michelle Wurch
- 1Department of Bioengineering, University of California, Riverside, CA, 92507, USA
| | - Payal Maheshwari
- 1Department of Bioengineering, University of California, Riverside, CA, 92507, USA
| | - Raman K. Kaushal
- 1Department of Bioengineering, University of California, Riverside, CA, 92507, USA
| | - Michael J. Marsella
- 2Department of Chemistry, University of California, Riverside, CA, 92507, USA
| | - Gregory J. O. Beran
- 2Department of Chemistry, University of California, Riverside, CA, 92507, USA
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129
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Perchanova M, Kurreck H, Berg A. Time-Resolved Electron Paramagnetic Resonance Study of Photoinduced Electron Transfer in Pd Porphyrin–Quinone and Zn Porphyrin–Quinone Dyads with a Cyclohexylene Spacer. J Phys Chem A 2015; 119:8117-24. [DOI: 10.1021/acs.jpca.5b04760] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maya Perchanova
- Institute
of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Harry Kurreck
- Institute of Chemistry and Biochemistry-Organic
Chemistry, Free University Berlin, Takustrasse 3, D-14195 Berlin, Germany
| | - Alexander Berg
- Institute
of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
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130
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Zhao J, Tran PD, Chen Y, Loo JSC, Barber J, Xu ZJ. Achieving High Electrocatalytic Efficiency on Copper: A Low-Cost Alternative to Platinum for Hydrogen Generation in Water. ACS Catal 2015. [DOI: 10.1021/acscatal.5b00556] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jian Zhao
- Singapore−Berkeley Research Initiative for Sustainable Energy, 1 Create Way, 138602 Singapore
| | | | | | | | - James Barber
- Department
of Life Sciences, Imperial College London, London SW7 2AZ, U.K
| | - Zhichuan J. Xu
- Singapore−Berkeley Research Initiative for Sustainable Energy, 1 Create Way, 138602 Singapore
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131
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Palmer JC, Car R, Debenedetti PG. The liquid-liquid transition in supercooled ST2 water: a comparison between umbrella sampling and well-tempered metadynamics. Faraday Discuss 2015; 167:77-94. [PMID: 24640486 DOI: 10.1039/c3fd00074e] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We investigate the metastable phase behaviour of the ST2 water model under deeply supercooled conditions. The phase behaviour is examined using umbrella sampling (US) and well-tempered metadynamics (WT-MetaD) simulations to compute the reversible free energy surface parameterized by density and bond-orientation order. We find that free energy surfaces computed with both techniques clearly show two liquid phases in coexistence, in agreement with our earlier US and grand canonical Monte Carlo calculations [Y. Liu, J. C. Palmer, A. Z. Panagiotopoulos and P. G. Debenedetti, J Chem Phys, 2012, 137, 214505; Y. Liu, A. Z. Panagiotopoulos and P. G. Debenedetti, J Chem Phys, 2009, 131, 104508]. While we demonstrate that US and WT-MetaD produce consistent results, the latter technique is estimated to be more computationally efficient by an order of magnitude. As a result, we show that WT-MetaD can be used to study the finite-size scaling behaviour of the free energy barrier separating the two liquids for systems containing 192, 300 and 400 ST2 molecules. Although our results are consistent with the expected N(2/3) scaling law, we conclude that larger systems must be examined to provide conclusive evidence of a first-order phase transition and associated second critical point.
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132
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Barthelmes K, Kübel J, Winter A, Wächtler M, Friebe C, Dietzek B, Schubert US. New ruthenium bis(terpyridine) methanofullerene and pyrrolidinofullerene complexes: synthesis and electrochemical and photophysical properties. Inorg Chem 2015; 54:3159-71. [PMID: 25763462 DOI: 10.1021/ic502431x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A series of terpyridine (tpy) methanofullerene and pyrrolidinofullerene dyads linked via p-phenylene or p-phenyleneethynylenephenylene (PEP) units is presented. The coordination to ruthenium(II) yields donor-bridge-acceptor assemblies with different lengths. Cyclic voltammetry and UV-vis and luminescence spectroscopy are applied to study the electronic interactions between the active moieties. It is shown that, upon light excitation of the ruthenium(II)-based (1)MLCT transition, the formed (3)MLCT state is readily quenched in the presence of C60. The photoinduced dynamics have been studied by transient absorption spectroscopy, which reveals fast depopulation of the (3)MLCT (73-406 ps). As a consequence, energy transfer occurs, populating a long-lived triplet state, which could be assigned to the (3)C60* state.
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Affiliation(s)
- Kevin Barthelmes
- †Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.,‡Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Joachim Kübel
- §Institute of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany.,∥Leibniz Institute of Photonic Technology e.V. (IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Andreas Winter
- †Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.,‡Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Maria Wächtler
- §Institute of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany.,∥Leibniz Institute of Photonic Technology e.V. (IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Christian Friebe
- †Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.,‡Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Benjamin Dietzek
- ‡Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany.,§Institute of Physical Chemistry (IPC) and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany.,∥Leibniz Institute of Photonic Technology e.V. (IPHT), Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Ulrich S Schubert
- †Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.,‡Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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133
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Ihssen J, Braun A, Faccio G, Gajda-Schrantz K, Thöny-Meyer L. Light harvesting proteins for solar fuel generation in bioengineered photoelectrochemical cells. Curr Protein Pept Sci 2015; 15:374-84. [PMID: 24678669 PMCID: PMC4030624 DOI: 10.2174/1389203715666140327105530] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Revised: 11/22/2013] [Accepted: 03/16/2014] [Indexed: 02/08/2023]
Abstract
The sun is the primary energy source of our planet and potentially can supply
all societies with more than just their basic energy needs. Demand of electric
energy can be satisfied with photovoltaics, however the global demand for fuels
is even higher. The direct way to produce the solar fuel hydrogen is by water
splitting in photoelectrochemical (PEC) cells, an artificial mimic of
photosynthesis. There is currently strong resurging interest for solar fuels
produced by PEC cells, but some fundamental technological problems need to be
solved to make PEC water splitting an economic, competitive alternative. One of
the problems is to provide a low cost, high performing water oxidizing and
oxygen evolving photoanode in an environmentally benign setting. Hematite, α-Fe2O3,
satisfies many requirements for a good PEC photoanode, but its efficiency is
insufficient in its pristine form. A promising strategy for enhancing
photocurrent density takes advantage of photosynthetic proteins. In this paper
we give an overview of how electrode surfaces in general and hematite
photoanodes in particular can be functionalized with light harvesting proteins.
Specifically, we demonstrate how low-cost biomaterials such as cyanobacterial
phycocyanin and enzymatically produced melanin increase the overall performance
of virtually no-cost metal oxide photoanodes in a PEC system. The implementation
of biomaterials changes the overall nature of the photoanode assembly in a way
that aggressive alkaline electrolytes such as concentrated KOH are not required
anymore. Rather, a more environmentally benign and pH neutral electrolyte can be
used.
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Affiliation(s)
| | | | | | | | - Linda Thöny-Meyer
- Empa, Laboratory for Biomaterials, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland.
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134
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Willkomm J, Muresan NM, Reisner E. Enhancing H 2 evolution performance of an immobilised cobalt catalyst by rational ligand design. Chem Sci 2015; 6:2727-2736. [PMID: 29142677 PMCID: PMC5654411 DOI: 10.1039/c4sc03946g] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 01/23/2015] [Indexed: 11/21/2022] Open
Abstract
The catalyst [CoIIIBr((DO)(DOH)(4-BnPO3H2)(2-CH2py)pn)]Br, CoP3 , has been synthesised to improve the stability and activity of cobalt catalysts immobilised on metal oxide surfaces. The CoP3 catalyst contains an equatorial diimine-dioxime ligand, (DOH)2pn = N2,N2'-propanediyl-bis(2,3-butanedione-2-imine-3-oxime), with a benzylphosphonic acid (4-BnPO3H2) group and a methylpyridine (2-CH2py) ligand covalently linked to the bridgehead of the pseudo-macrocyclic diimine-dioxime ligand. The phosphonic acid functionality provides a robust anchoring group for immobilisation on metal oxides, whereas the pyridine is coordinated to the Co ion to enhance the catalytic activity of the catalyst. Electrochemical investigations in solution confirm that CoP3 shows electrocatalytic activity for the reduction of aqueous protons between pH 3 and 7. The metal oxide anchor provides the catalyst with a high affinity for mesostructured Sn-doped In2O3 electrodes (mesoITO; loading of approximately 22 nmol cm-2) and the electrostability of the attached CoP3 was confirmed by cyclic voltammetry. Finally, immobilisation of the catalyst on ruthenium-dye sensitised TiO2 nanoparticles in aqueous solutions in the presence of a hole scavenger establishes the activity of the catalyst in this photocatalytic scheme. The advantages of the elaborate catalyst design in CoP3 in terms of stability and catalytic activity are shown by direct comparison with previously reported phosphonated Co catalysts. We therefore demonstrate that rational ligand design is a viable route for improving the performance of immobilised molecular catalysts.
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Affiliation(s)
- Janina Willkomm
- Christian Doppler Laboratory for Sustainable SynGas Chemistry , Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , UK . ; http://www-reisner.ch.cam.ac.uk/
| | - Nicoleta M Muresan
- Christian Doppler Laboratory for Sustainable SynGas Chemistry , Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , UK . ; http://www-reisner.ch.cam.ac.uk/
| | - Erwin Reisner
- Christian Doppler Laboratory for Sustainable SynGas Chemistry , Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , UK . ; http://www-reisner.ch.cam.ac.uk/
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135
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Herr JD, Talbot J, Steele RP. Structural Progression in Clusters of Ionized Water, (H2O)n=1–5+. J Phys Chem A 2015; 119:752-66. [DOI: 10.1021/jp509698y] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Jonathan D. Herr
- Henry Eyring
Center for Theoretical
Chemistry, Thatcher Building for Biological and Biophysical Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Justin Talbot
- Henry Eyring
Center for Theoretical
Chemistry, Thatcher Building for Biological and Biophysical Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Ryan P. Steele
- Henry Eyring
Center for Theoretical
Chemistry, Thatcher Building for Biological and Biophysical Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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136
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Ebadi M, Mat-Teridi MA, Sulaiman MY, Basirun WJ, Asim N, Ludin NA, Ibrahim MA, Sopian K. Electrodeposited p-type Co3O4 with high photoelectrochemical performance in aqueous medium. RSC Adv 2015. [DOI: 10.1039/c5ra04008f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Electrofabricated p-Co3O4 based electrodes have shown efficient photoelectrochemical performance at low bias potentials in aqueous medium (∼6.5 mA cm−2vs. SCE at −0.3 V).
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Affiliation(s)
- M. Ebadi
- Department of Chemistry
- Faculty of Science
- Islamic Azad University-Gorgan Branch
- Gorgan
- Iran
| | - M. A. Mat-Teridi
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
| | - M. Y. Sulaiman
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
| | - W. J. Basirun
- Department of Chemistry
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - N. Asim
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
| | - N. A. Ludin
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
| | - M. A. Ibrahim
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
| | - K. Sopian
- Solar Energy Research Institute
- University Kebangsaan Malaysia
- Bangi
- Malaysia
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137
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Méndez-Ardoy A, Bassani DM. Supramolecular photochemistry: recent progress and key challenges. Faraday Discuss 2015; 185:549-58. [DOI: 10.1039/c5fd00146c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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138
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Calogero G, Bartolotta A, Di Marco G, Di Carlo A, Bonaccorso F. Vegetable-based dye-sensitized solar cells. Chem Soc Rev 2015; 44:3244-94. [DOI: 10.1039/c4cs00309h] [Citation(s) in RCA: 254] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this review we provide an overview of vegetable pigments in dye-sensitized solar cells, starting from main limitations of cell performance to cost analysis and scaling-up prospects.
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Affiliation(s)
| | | | - Gaetano Di Marco
- CNR-IPCF
- Istituto per i Processi Chimico-Fisici
- 98158 Messina
- Italy
| | - Aldo Di Carlo
- CHOSE – Centre for Hybrid and Organic Solar Energy – University of Rome “Tor Vergata”
- 00133 Roma
- Italy
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139
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Rodenberg A, Orazietti M, Probst B, Bachmann C, Alberto R, Baldridge KK, Hamm P. Mechanism of Photocatalytic Hydrogen Generation by a Polypyridyl-Based Cobalt Catalyst in Aqueous Solution. Inorg Chem 2014; 54:646-57. [DOI: 10.1021/ic502591a] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Alexander Rodenberg
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Margherita Orazietti
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Benjamin Probst
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Cyril Bachmann
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Roger Alberto
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Kim K. Baldridge
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - Peter Hamm
- Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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140
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141
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Trinh C, Kirlikovali K, Das S, Ener M, Gray HB, Djurovich P, Bradforth SE, Thompson ME. Symmetry-Breaking Charge Transfer of Visible Light Absorbing Systems: Zinc Dipyrrins. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2014; 118:21834-21845. [PMID: 25270268 PMCID: PMC4174994 DOI: 10.1021/jp506855t] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 08/27/2014] [Indexed: 05/12/2023]
Abstract
Zinc dipyrrin complexes with two identical dipyrrin ligands absorb strongly at 450-550 nm and exhibit high fluorescence quantum yields in nonpolar solvents (e.g., 0.16-0.66 in cyclohexane) and weak to nonexistent emission in polar solvents (i.e., <10-3, in acetonitrile). The low quantum efficiencies in polar solvents are attributed to the formation of a nonemissive symmetry-breaking charge transfer (SBCT) state, which is not formed in nonpolar solvents. Analysis using ultrafast spectroscopy shows that in polar solvents the singlet excited state relaxes to the SBCT state in 1.0-5.5 ps and then decays via recombination to the triplet or ground states in 0.9-3.3 ns. In the weakly polar solvent toluene, the equilibrium between a localized excited state and the charge transfer state is established in 11-22 ps.
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Affiliation(s)
- Cong Trinh
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
| | - Kent Kirlikovali
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
| | - Saptaparna Das
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
| | - Maraia
E. Ener
- California
Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
| | - Harry B. Gray
- California
Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
| | - Peter Djurovich
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
| | - Stephen E. Bradforth
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
| | - Mark E. Thompson
- Department
of Chemistry, University of Southern California, Los Angeles, California 90089, United States
- E-mail:
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142
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Staehle R, Losse S, Filipovic MR, Ivanović-Burmazović I, Vos JG, Rau S. Photocatalytic Generation of Hydrogen from Water under Aerobic Conditions. Chempluschem 2014. [DOI: 10.1002/cplu.201402174] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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143
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Menezes PW, Indra A, Littlewood P, Schwarze M, Göbel C, Schomäcker R, Driess M. Nanostructured manganese oxides as highly active water oxidation catalysts: a boost from manganese precursor chemistry. CHEMSUSCHEM 2014; 7:2202-11. [PMID: 25044528 DOI: 10.1002/cssc.201402169] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Indexed: 05/10/2023]
Abstract
We present a facile synthesis of bioinspired manganese oxides for chemical and photocatalytic water oxidation, starting from a reliable and versatile manganese(II) oxalate single-source precursor (SSP) accessible through an inverse micellar molecular approach. Strikingly, thermal decomposition of the latter precursor in various environments (air, nitrogen, and vacuum) led to the three different mineral phases of bixbyite (Mn2 O3 ), hausmannite (Mn3 O4 ), and manganosite (MnO). Initial chemical water oxidation experiments using ceric ammonium nitrate (CAN) gave the maximum catalytic activity for Mn2 O3 and MnO whereas Mn3 O4 had a limited activity. The substantial increase in the catalytic activity of MnO in chemical water oxidation was demonstrated by the fact that a phase transformation occurs at the surface from nanocrystalline MnO into an amorphous MnOx (1<x<2) upon treatment with CAN, which acted as an oxidizing agent. Photocatalytic water oxidation in the presence of [Ru(bpy)3 ](2+) (bpy=2,2'-bipyridine) as a sensitizer and peroxodisulfate as an electron acceptor was carried out for all three manganese oxides including the newly formed amorphous MnOx . Both Mn2 O3 and the amorphous MnOx exhibit tremendous enhancement in oxygen evolution during photocatalysis and are much higher in comparison to so far known bioinspired manganese oxides and calcium-manganese oxides. Also, for the first time, a new approach for the representation of activities of water oxidation catalysts has been proposed by determining the amount of accessible manganese centers.
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Affiliation(s)
- Prashanth W Menezes
- Department of Chemistry, Technische Universität Berlin, Strasse des 17 Juni 135, Sekr. C2, 10623 Berlin (Germany)
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144
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Najafpour MM, Ghobadi MZ, Haghighi B, Tomo T, Carpentier R, Shen JR, Allakhverdiev SI. A nano-sized manganese oxide in a protein matrix as a natural water-oxidizing site. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2014; 81:3-15. [PMID: 24560883 DOI: 10.1016/j.plaphy.2014.01.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 01/26/2014] [Indexed: 06/03/2023]
Abstract
The purpose of this review is to present recent advances in the structural and functional studies of water-oxidizing center of Photosystem II and its surrounding protein matrix in order to synthesize artificial catalysts for production of clean and efficient hydrogen fuel.
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Affiliation(s)
- Mohammad Mahdi Najafpour
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran; Center of Climate Change and Global Warming, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.
| | - Mohadeseh Zarei Ghobadi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
| | - Behzad Haghighi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran; Center of Climate Change and Global Warming, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
| | - Tatsuya Tomo
- Department of Biology, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjuku-ku, Tokyo 162-8601, Japan; PRESTO, Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
| | - Robert Carpentier
- Departement de Chimie Biochimie et Physique, Université du Québec à Trois Rivières, C.P. 500, Québec G9A 5H7, Canada
| | - Jian-Ren Shen
- Graduate School of Natural Science and Technology, Faculty of Science, Okayama University, Okayama 700-8530, Japan
| | - Suleyman I Allakhverdiev
- Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia; Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia.
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145
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Myung S, Rollin J, You C, Sun F, Chandrayan S, Adams MW, Zhang YHP. In vitro metabolic engineering of hydrogen production at theoretical yield from sucrose. Metab Eng 2014; 24:70-7. [DOI: 10.1016/j.ymben.2014.05.006] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 05/03/2014] [Accepted: 05/05/2014] [Indexed: 10/25/2022]
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146
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Yang C, Tran PD, Boix PP, Bassi PS, Yantara N, Wong LH, Barber J. Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in water. NANOSCALE 2014; 6:6506-6510. [PMID: 24838221 DOI: 10.1039/c4nr00386a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We report a scalable process for fabricating a multiple-layer hybrid photocathode, namely Cu2O/NiO/Cu2MoS4, for H2 generation in water. In pH 5 solution and under 1 sun illumination, the photocathode showed interesting photocatalytic properties. The onset photocurrent was recorded at +0.45 V vs. RHE, while at 0 V vs. RHE, a photocurrent density of 1.25 mA cm(-2) was obtained. It was found that the NiO interlayer enhances charge transfer from the Cu2O light harvester to the Cu2MoS4 hydrogen evolution reaction electrocatalyst which in turn accelerates charge transfer at the electrode/electrolyte interface, and therefore improves the photocatalytic properties of the Cu2O photocathode.
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Affiliation(s)
- Chen Yang
- Solar Fuel Laboratory, School of Materials Science & Engineering, Nanyang Technological University, Singapore.
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147
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Janssen PJD, Lambreva MD, Plumeré N, Bartolucci C, Antonacci A, Buonasera K, Frese RN, Scognamiglio V, Rea G. Photosynthesis at the forefront of a sustainable life. Front Chem 2014; 2:36. [PMID: 24971306 PMCID: PMC4054791 DOI: 10.3389/fchem.2014.00036] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 05/25/2014] [Indexed: 11/13/2022] Open
Abstract
The development of a sustainable bio-based economy has drawn much attention in recent years, and research to find smart solutions to the many inherent challenges has intensified. In nature, perhaps the best example of an authentic sustainable system is oxygenic photosynthesis. The biochemistry of this intricate process is empowered by solar radiation influx and performed by hierarchically organized complexes composed by photoreceptors, inorganic catalysts, and enzymes which define specific niches for optimizing light-to-energy conversion. The success of this process relies on its capability to exploit the almost inexhaustible reservoirs of sunlight, water, and carbon dioxide to transform photonic energy into chemical energy such as stored in adenosine triphosphate. Oxygenic photosynthesis is responsible for most of the oxygen, fossil fuels, and biomass on our planet. So, even after a few billion years of evolution, this process unceasingly supports life on earth, and probably soon also in outer-space, and inspires the development of enabling technologies for a sustainable global economy and ecosystem. The following review covers some of the major milestones reached in photosynthesis research, each reflecting lasting routes of innovation in agriculture, environmental protection, and clean energy production.
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Affiliation(s)
- Paul J. D. Janssen
- Molecular and Cellular Biology - Unit of Microbiology, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre SCK•CENMol, Belgium
| | - Maya D. Lambreva
- Institute of Crystallography, National Research Council of ItalyRome, Italy
| | - Nicolas Plumeré
- Center for Electrochemical Sciences-CES, Ruhr-Universität BochumBochum, Germany
| | - Cecilia Bartolucci
- Institute of Crystallography, National Research Council of ItalyRome, Italy
| | - Amina Antonacci
- Institute of Crystallography, National Research Council of ItalyRome, Italy
| | - Katia Buonasera
- Institute of Crystallography, National Research Council of ItalyRome, Italy
| | - Raoul N. Frese
- Division of Physics and Astronomy, Department of Biophysics, VU University AmsterdamAmsterdam, Netherlands
| | | | - Giuseppina Rea
- Institute of Crystallography, National Research Council of ItalyRome, Italy
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148
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Giribabu L, Sudhakar K, Sabapathi G, Kanaparthi RK. Intramolecular photoinduced reactions in corrole–pyrene and corrole–fluorene dyad systems. J Photochem Photobiol A Chem 2014. [DOI: 10.1016/j.jphotochem.2014.03.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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149
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Crouthers DJ, Denny JA, Bethel RD, Munoz DG, Darensbourg MY. Conformational Mobility and Pendent Base Effects on Electrochemistry of Synthetic Analogues of the [FeFe]-Hydrogenase Active Site. Organometallics 2014. [DOI: 10.1021/om500023j] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Danielle J. Crouthers
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Jason A. Denny
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Ryan D. Bethel
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - David G. Munoz
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
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150
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Perathoner S, Centi G. CO2 recycling: a key strategy to introduce green energy in the chemical production chain. CHEMSUSCHEM 2014; 7:1274-1282. [PMID: 24599714 DOI: 10.1002/cssc.201300926] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 11/16/2013] [Indexed: 06/03/2023]
Abstract
The introduction of renewable energy in the chemical production chain is a key strategic factor both to realize a sustainable, resource-efficient, low-carbon economy and society and to drive innovation and competiveness in the chemical production. This Concept discusses this concept in terms of motivations, perspectives, and impact as well as technical barriers to achieve this goal. It is shown how an important element to realize this scenario is to foster the paths converting carbon dioxide (CO2) into feedstock for the chemical/process industry, which is one of the most efficient methods to rapidly introduce renewable energy into the chemical production chain. Some of the possible options to proceed in this direction are discussed, with focus on the technical barriers and enabling factors such as catalysis. The tight interconnection between CO2 management and the use of renewable energy is evidenced.
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Affiliation(s)
- Siglinda Perathoner
- Dipartimento di Ingegneria Elettronica, Chimica ed Ingegneria Industriale, University of Messina and INSTM/CASPE, V.le F. Stagno D'Alcontres 31, 98166 Messina (Italy).
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