1
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Malizia M, Scott SA, Torrente-Murciano L, Boies AM, Aljohani TA, Baldovi HG. Enhanced Visible Light-Driven Photocatalytic Water-Splitting Reaction of Titanate Nanotubes Sensitised with Ru(II) Bipyridyl Complex. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2959. [PMID: 37999313 PMCID: PMC10674862 DOI: 10.3390/nano13222959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/25/2023]
Abstract
The ion exchange of Na+ cations was used to photosensitise titanates nanotubes (Ti-NTs) with tris(2,2'-bipyridine)ruthenium(II) cations (Ru(bpy)32+); this yielded a light-sensitised Ti-NTs composite denoted as (Ru(bpy)3)Ti-NTs, exhibiting the characteristic absorption of Ru(bpy)32+ in visible light. Incident photon-to-current efficiency (IPCE) measurements and the photocatalytic reduction of methyl viologen reaction confirmed that in the photosensitisation of the (Ru(bpy)3)Ti-NTs composite, charge transfer and charge separation occur upon excitation by ultraviolet and visible light irradiation. The photocatalytic potential of titanate nanotubes was tested in the water-splitting reaction and the H2 evolution reaction using a sacrificial agent and showed photocatalytic activity under various light sources, including xenon-mercury lamp, simulated sunlight, and visible light. Notably, in the conditions of the H2 evolution reaction when (Ru(bpy)3)Ti-NTs were submitted to simulated sunlight, they exceeded the photocatalytic activity of pristine Ti-NTs and TiO2 by a factor of 3 and 3.5 times, respectively. Also, (Ru(bpy)3)Ti-NTs achieved the photocatalytic water-splitting reaction under simulated sunlight and visible light, producing, after 4 h, 199 and 282 μmol×H2×gcat-1. These results confirm the effective electron transfer of Ru(bpy)3 to titanate nanotubes. The stability of the photocatalyst was evaluated by a reuse test of four cycles of 24 h reactions without considerable loss of catalytic activity and crystallinity.
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Affiliation(s)
- Mauro Malizia
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, UK; (M.M.); (L.T.-M.)
| | - Stuart A. Scott
- Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK; (S.A.S.); (A.M.B.)
| | - Laura Torrente-Murciano
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, UK; (M.M.); (L.T.-M.)
| | - Adam M. Boies
- Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK; (S.A.S.); (A.M.B.)
| | - Talal A. Aljohani
- Refining and Petrochemical Technology Institute, King Abdulaziz City for Science and Technology, Riyadh 11442, Saudi Arabia;
| | - Herme G. Baldovi
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, UK; (M.M.); (L.T.-M.)
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2
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Tao X, Li Y, Yu L, Zhang Y, Han C, Yang Y, Qian H, Lu Z, Liu K. Two-Dimensional Polymer Networks Locking on Inorganic Nanoparticles. Angew Chem Int Ed Engl 2023; 62:e202216620. [PMID: 36534271 DOI: 10.1002/anie.202216620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/15/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Two-dimensional polymers (2DPs), single-layer networks of covalently linked monomers, show perspectives as membranes and in electronics. However, 2D polymerization of monomers in orthogonal directions limited the formation of 2DPs on nanoparticles (NPs) with high surface curvatures. Here we propose a high-curvature 2D polymerization to form a single-layer 2DP network as a non-contacting ligand on the surface of NPs for their stabilization and functionalization. The high-curvature 2D polymerization of amphiphilic Gemini monomers was conducted in situ on surfaces of NPs with various sizes, shapes, and materials, forming highly cross-linked 2DPs. Selective etching of core-shell NPs led to 2DPs as a non-contact ligand of yolk-shell structures with excellent shape retention and high NP-surface accessibility. In addition, by copolymerization, the 2DP ligands can covalently link to other functional molecules. This work promotes the development of 2DPs on NPs for their functional modification.
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Affiliation(s)
- Xingfu Tao
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yang Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Linxiuzi Yu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yinshu Zhang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Chenglong Han
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yang Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Hujun Qian
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhongyuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Kun Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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3
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Decavoli C, Boldrini CL, Faroldi F, Baldini L, Sansone F, Ranaudo A, Greco C, Cosentino U, Moro G, Manfredi N, Abbotto A. Calix[4]arene‐Based Sensitizers for Host‐Guest Supramolecular Dyads for Solar Energy Conversion in Photoelectrochemical Cells. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Cristina Decavoli
- Department of Materials Science and Milano-Bicocca Solar Energy Research Center – MIB-Solar University of Milano-Bicocca Via Cozzi 55 20125 Milano Italy
| | - Chiara L. Boldrini
- Department of Materials Science and Milano-Bicocca Solar Energy Research Center – MIB-Solar University of Milano-Bicocca Via Cozzi 55 20125 Milano Italy
| | - Federica Faroldi
- Dipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale University of Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Laura Baldini
- Dipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale University of Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Francesco Sansone
- Dipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale University of Parma Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Anna Ranaudo
- Department of Earth and Environmental Sciences University of Milano-Bicocca Piazza della Scienza 1 20126 Milano Italy
| | - Claudio Greco
- Department of Earth and Environmental Sciences University of Milano-Bicocca Piazza della Scienza 1 20126 Milano Italy
| | - Ugo Cosentino
- Department of Earth and Environmental Sciences University of Milano-Bicocca Piazza della Scienza 1 20126 Milano Italy
| | - Giorgio Moro
- Department of Biotechnology and Biosciences University of Milano-Bicocca Piazza della Scienza 2 20126 Milano Italy
| | - Norberto Manfredi
- Department of Materials Science and Milano-Bicocca Solar Energy Research Center – MIB-Solar University of Milano-Bicocca Via Cozzi 55 20125 Milano Italy
| | - Alessandro Abbotto
- Department of Materials Science and Milano-Bicocca Solar Energy Research Center – MIB-Solar University of Milano-Bicocca Via Cozzi 55 20125 Milano Italy
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4
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Arcidiacono A, Robb AJ, Masitas RA, Salpage SR, McLeod GM, Chen J, Ogunsolu OO, Roper MG, Hanson K. Inhibited interlayer electron transfer in metal ion linked multilayers on mesoporous metal oxide films. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2022. [DOI: 10.1016/j.jpap.2021.100088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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5
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Muñoz-García AB, Benesperi I, Boschloo G, Concepcion JJ, Delcamp JH, Gibson EA, Meyer GJ, Pavone M, Pettersson H, Hagfeldt A, Freitag M. Dye-sensitized solar cells strike back. Chem Soc Rev 2021; 50:12450-12550. [PMID: 34590638 PMCID: PMC8591630 DOI: 10.1039/d0cs01336f] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Indexed: 12/28/2022]
Abstract
Dye-sensitized solar cells (DSCs) are celebrating their 30th birthday and they are attracting a wealth of research efforts aimed at unleashing their full potential. In recent years, DSCs and dye-sensitized photoelectrochemical cells (DSPECs) have experienced a renaissance as the best technology for several niche applications that take advantage of DSCs' unique combination of properties: at low cost, they are composed of non-toxic materials, are colorful, transparent, and very efficient in low light conditions. This review summarizes the advancements in the field over the last decade, encompassing all aspects of the DSC technology: theoretical studies, characterization techniques, materials, applications as solar cells and as drivers for the synthesis of solar fuels, and commercialization efforts from various companies.
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Affiliation(s)
- Ana Belén Muñoz-García
- Department of Physics "Ettore Pancini", University of Naples Federico II, 80126 Naples, Italy
| | - Iacopo Benesperi
- School of Natural and Environmental Science, Newcastle University, Bedson Building, NE1 7RU Newcastle upon Tyne, UK.
| | - Gerrit Boschloo
- Department of Chemistry, Ångström Laboratory, Uppsala University, P.O. Box 523, 751 20 Uppsala, Sweden.
| | - Javier J Concepcion
- Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Jared H Delcamp
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS 38677, USA
| | - Elizabeth A Gibson
- School of Natural and Environmental Science, Newcastle University, Bedson Building, NE1 7RU Newcastle upon Tyne, UK.
| | - Gerald J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Michele Pavone
- Department of Chemical Sciences, University of Naples Federico II, 80126 Naples, Italy
| | | | - Anders Hagfeldt
- Department of Chemistry, Ångström Laboratory, Uppsala University, P.O. Box 523, 751 20 Uppsala, Sweden.
- University Management and Management Council, Vice Chancellor, Uppsala University, Segerstedthuset, 752 37 Uppsala, Sweden
| | - Marina Freitag
- School of Natural and Environmental Science, Newcastle University, Bedson Building, NE1 7RU Newcastle upon Tyne, UK.
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6
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Nikoloudakis E, Pati PB, Charalambidis G, Budkina DS, Diring S, Planchat A, Jacquemin D, Vauthey E, Coutsolelos AG, Odobel F. Dye-Sensitized Photoelectrosynthesis Cells for Benzyl Alcohol Oxidation Using a Zinc Porphyrin Sensitizer and TEMPO Catalyst. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02609] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Emmanouil Nikoloudakis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013 Heraklion, Crete, Greece
| | - Palas Baran Pati
- Université de Nantes, CNRS, UMR 6230, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), 2 rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Georgios Charalambidis
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013 Heraklion, Crete, Greece
| | - Darya S. Budkina
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland
| | - Stéphane Diring
- Université de Nantes, CNRS, UMR 6230, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), 2 rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Aurélien Planchat
- Université de Nantes, CNRS, UMR 6230, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), 2 rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Denis Jacquemin
- Université de Nantes, CNRS, UMR 6230, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), 2 rue de la Houssinière, 44322 Nantes Cedex 3, France
| | - Eric Vauthey
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland
| | - Athanassios G. Coutsolelos
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete, Voutes Campus, 70013 Heraklion, Crete, Greece
| | - Fabrice Odobel
- Université de Nantes, CNRS, UMR 6230, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), 2 rue de la Houssinière, 44322 Nantes Cedex 3, France
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7
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Whang DR. Immobilization of molecular catalysts for artificial photosynthesis. NANO CONVERGENCE 2020; 7:37. [PMID: 33252707 PMCID: PMC7704885 DOI: 10.1186/s40580-020-00248-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 11/23/2020] [Indexed: 05/08/2023]
Abstract
Artificial photosynthesis offers a way of producing fuels or high-value chemicals using a limitless energy source of sunlight and abundant resources such as water, CO2, and/or O2. Inspired by the strategies in natural photosynthesis, researchers have developed a number of homogeneous molecular systems for photocatalytic, photoelectrocatalytic, and electrocatalytic artificial photosynthesis. However, their photochemical instability in homogeneous solution are hurdles for scaled application in real life. Immobilization of molecular catalysts in solid supports support provides a fine blueprint to tackle this issue. This review highlights the recent developments in (i) techniques for immobilizing molecular catalysts in solid supports and (ii) catalytic water splitting, CO2 reduction, and O2 reduction with the support-immobilized molecular catalysts. Remaining challenges for molecular catalyst-based devices for artificial photosynthesis are discussed in the end of this review.
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Affiliation(s)
- Dong Ryeol Whang
- Department of Advanced Materials, Hannam University, 34054, Daejeon, Republic of Korea.
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8
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Lin S, Cairnie DR, Davis D, Chakraborty A, Cai M, Morris AJ. Photoelectrochemical alcohol oxidation by mixed-linker metal-organic frameworks. Faraday Discuss 2020; 225:371-383. [PMID: 33107542 DOI: 10.1039/d0fd00021c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-organic frameworks (MOFs) provide a suitable platform for stable and efficient heterogeneous photoelectrochemical oxidation catalysis due to their highly ordered structure, large surface area, and synthetic tunability. Herein, a mixed-linker MOF comprising of a photosensitizer [Ru(dcbpy)(bpy)2]2+ (bpy = 2,2'-bipyridine, dcbpy = 5,5'-dicarboxy-2,2'-bipyridine) and catalyst [Ru(tpy)(dcbpy)Cl]+ (tpy = 2,2':6',2''-terpyridine) that were incorporated into the UiO-67 framework and grown as thin films on a TiO2-coated, fluorine-doped tin oxide (FTO) electrode (RuB-RuTB-UiO-67/TiO2/FTO). When used as an electrode for the photoelectrochemical oxidation of benzyl alcohol, the mixed-linker MOF film showed a faradaic efficiency of 34%, corresponding to a 3-fold increase in efficiency relative to the RuB-UiO-67/TiO2/FTO control. This increase in catalytic efficiency is ascribed to the activation of RuTB moieties via oxidation by photogenerated RuIIIB. Transient absorption spectroscopy revealed the delayed appearance of RuIIITB* or RuIIITB formation, occurring with a lifetime of 21 ns, due to energy and/or electron transfer. The recovery kinetics of the charge separated state was increased (283 μs) in comparison to single-component control experiments (105 μs for RuB-UiO-67/TiO2/FTO and 7 μs for RuTB-UiO-67/TiO2/FTO) indicating a cooperative effect that could be exploited in chromophore/catalyst MOF motifs.
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Affiliation(s)
- Shaoyang Lin
- Department of Chemistry, Virginia Tech, Blacksburg, VA, USA.
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9
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Antón-García D, Warnan J, Reisner E. A diketopyrrolopyrrole dye-based dyad on a porous TiO 2 photoanode for solar-driven water oxidation. Chem Sci 2020; 11:12769-12776. [PMID: 34094472 PMCID: PMC8163027 DOI: 10.1039/d0sc04509h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 09/10/2020] [Indexed: 11/29/2022] Open
Abstract
Dye-sensitised photoanodes modified with a water oxidation catalyst allow for solar-driven O2 evolution in photoelectrochemical cells. However, organic chromophores are generally considered unsuitable to drive the thermodynamically demanding water oxidation reaction, mainly due to their lack of stability upon photoexcitation. Here, the synthesis of a dyad photocatalyst (DPP-Ru) consisting of a diketopyrrolopyrrole chromophore (DPPdye) and ruthenium-based water oxidation catalyst (RuWOC) is described. The DPP-Ru dyad features a cyanoacrylic acid anchoring group for immobilisation on metal oxides, strong absorption in the visible region of the electromagnetic spectrum, and photoinduced hole transfer from the dye to the catalyst unit. Immobilisation of the dyad on a mesoporous TiO2 scaffold was optimised, including the use of a TiCl4 pretreatment method as well as employing chenodeoxycholic acid as a co-adsorbent, and the assembled dyad-sensitised photoanode achieved O2 evolution using visible light (100 mW cm-2, AM 1.5G, λ > 420 nm). An initial photocurrent of 140 μA cm-2 was generated in aqueous electrolyte solution (pH 5.6) under an applied potential of +0.2 V vs. NHE. The production of O2 has been confirmed by controlled potential electrolysis with a faradaic efficiency of 44%. This study demonstrates that metal-free dyes are suitable light absorbers in dyadic systems for the assembly of water oxidising photoanodes.
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Affiliation(s)
- 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
| | - Erwin Reisner
- Department of Chemistry, University of Cambridge Lensfield Road Cambridge CB2 1EW UK
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10
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Peng Y, Liu Q, Chen S. Structural Engineering of Semiconductor Nanoparticles by Conjugated Interfacial Bonds. CHEM REC 2020; 20:41-50. [DOI: 10.1002/tcr.201900010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/17/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Yi Peng
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
| | - Qiming Liu
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
| | - Shaowei Chen
- Department of Chemistry and Biochemistry University of California 1156 High Street Santa Cruz CA 95064 USA
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11
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Zhang HT, Zhang MT. The Application of Pincer Ligand in Catalytic Water Splitting. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_71] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Li G, Zhu D, Wang X, Su Z, Bryce MR. Dinuclear metal complexes: multifunctional properties and applications. Chem Soc Rev 2020; 49:765-838. [DOI: 10.1039/c8cs00660a] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Dinuclear metal complexes have enabled breakthroughs in OLEDs, photocatalytic water splitting and CO2reduction, DSPEC, chemosensors, biosensors, PDT and smart materials.
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Affiliation(s)
- Guangfu Li
- Department of Chemistry
- Northeast Normal University
- Changchun
- P. R. China
| | - Dongxia Zhu
- Department of Chemistry
- Northeast Normal University
- Changchun
- P. R. China
| | - Xinlong Wang
- Department of Chemistry
- Northeast Normal University
- Changchun
- P. R. China
| | - Zhongmin Su
- Department of Chemistry
- Northeast Normal University
- Changchun
- P. R. China
- School of Chemistry and Environmental Engineering
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13
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Zhang B, Sun L. Artificial photosynthesis: opportunities and challenges of molecular catalysts. Chem Soc Rev 2019; 48:2216-2264. [PMID: 30895997 DOI: 10.1039/c8cs00897c] [Citation(s) in RCA: 380] [Impact Index Per Article: 76.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Molecular catalysis plays an essential role in both natural and artificial photosynthesis (AP). However, the field of molecular catalysis for AP has gradually declined in recent years because of doubt about the long-term stability of molecular-catalyst-based devices. This review summarizes the development history of molecular-catalyst-based AP, including the fundamentals of AP, molecular catalysts for water oxidation, proton reduction and CO2 reduction, and molecular-catalyst-based AP devices, and it provides an analysis of the advantages, challenges, and stability of molecular catalysts. With this review, we aim to highlight the following points: (i) an investigation on molecular catalysis is one of the most promising ways to obtain atom-efficient catalysts with outstanding intrinsic activities; (ii) effective heterogenization of molecular catalysts is currently the primary challenge for the application of molecular catalysis in AP devices; (iii) development of molecular catalysts is a promising way to solve the problems of catalysis involved in practical solar fuel production. In molecular-catalysis-based AP, much has been attained, but more challenges remain with regard to long-term stability and heterogenization techniques.
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Affiliation(s)
- Biaobiao Zhang
- Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 10044 Stockholm, Sweden.
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14
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Queyriaux N, Giannoudis E, Lefebvre J, Artero V, Chavarot‐Kerlidou M. Synthesis of Ruthenium Tris‐Diimine Photosensitizers Substituted by Four Methylphosphonate Anchoring Groups for Dye‐Sensitized Photoelectrochemical Cell Applications. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
| | | | - Jean‐François Lefebvre
- CNRS, CEA, LCBM Univ. Grenoble Alpes 38000 Grenoble France
- CNRS, DPM Univ. Grenoble Alpes 38000 Grenoble France
| | - Vincent Artero
- CNRS, CEA, LCBM Univ. Grenoble Alpes 38000 Grenoble France
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15
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Wu B, Zhang L, Lin S, Li J, Zhou Q. Experimental and first principles investigations on the photoisomerization and electrochemical properties of chlorophosphonazo III. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.11.074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Gao Y, Lockart M, Kispert LD, Bowman MK. Photo-induced charge separation in hydroxycoumarins on TiO2 and F–TiO2. Dalton Trans 2019; 48:10881-10891. [DOI: 10.1039/c9dt01455a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Efficiency of charge separation in a dye on a semiconductor increases when the dye acts as a H-bond donor.
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Affiliation(s)
- Yunlong Gao
- College of Sciences
- Nanjing Agricultural University
- Nanjing
- China
| | - Molly Lockart
- Department of Chemistry
- BOX 870336
- University of Alabama
- Tuscaloosa
- USA
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17
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Yang T, Yin H, Gao LH, Wang KZ, Yan D. Recent advances in electrodes modified with ruthenium complexes for electrochemical and photoelectrochemical water oxidation. ADVANCES IN INORGANIC CHEMISTRY 2019. [DOI: 10.1016/bs.adioch.2019.03.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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18
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Cyclobutane-based peptides/terpyridine conjugates: Their use in metal catalysis and as functional organogelators. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.10.064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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19
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Peng Y, Lu B, Wu F, Zhang F, Lu JE, Kang X, Ping Y, Chen S. Point of Anchor: Impacts on Interfacial Charge Transfer of Metal Oxide Nanoparticles. J Am Chem Soc 2018; 140:15290-15299. [PMID: 30345757 DOI: 10.1021/jacs.8b08035] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Photoinduced charge transfer across the metal oxide-organic ligand interface plays a key role in the diverse applications of metal oxide nanomaterials/nanostructures, such as photovoltaics, photocatalysis, and optoelectronics. Thus far, most studies are focused on molecular engineering of the organic chromophores, where the charge-transfer properties have been found to dictate the photo absorption efficiency and eventual device performance. Yet, as the chromophores are mostly bound onto the metal oxide surfaces by hydroxyl or carboxyl anchors, the impacts of the bonding interactions at the metal oxide-ligand interface on interfacial charge transfer have remained largely unexplored. Herein, acetylene derivatives are demonstrated as effective surface capping ligands for metal oxide nanoparticles, as exemplified with TiO2, RuO2, and ZnO. Experimental studies and first-principles calculations suggest the formation of M-O-C≡C- core-ligand linkages that lead to effective interfacial charge delocalization, in contrast to hopping/tunneling by the conventional M-O-CO- interfacial bonds in the carboxyl-capped counterparts. This leads to the generation of an interfacial state within the oxide bandgap and much enhanced sensitization of the nanoparticle photoluminescence emissions as well as photocatalytic activity, as manifested in the comparative studies with TiO2 nanoparticles functionalized with ethynylpyrene and pyrenecarboxylic acid. These results highlight the significance of the unique interfacial bonding chemistry by acetylene anchoring group in facilitating efficient charge transfer through the oxide-ligand interfacial linkage and hence the fundamental implication in their practical applications.
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Affiliation(s)
- Yi Peng
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States
| | - Bingzhang Lu
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States
| | - Feng Wu
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States
| | - Fengqi Zhang
- New Energy Research Institute, School of Environment and Energy , South China University of Technology, Guangzhou Higher Education Mega Center , Guangzhou , Guangdong 510006 , China
| | - Jia En Lu
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States
| | - Xiongwu Kang
- New Energy Research Institute, School of Environment and Energy , South China University of Technology, Guangzhou Higher Education Mega Center , Guangzhou , Guangdong 510006 , China
| | - Yuan Ping
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States
| | - Shaowei Chen
- Department of Chemistry and Biochemistry , University of California , 1156 High Street , Santa Cruz , California 95060 , United States.,New Energy Research Institute, School of Environment and Energy , South China University of Technology, Guangzhou Higher Education Mega Center , Guangzhou , Guangdong 510006 , China
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Mede T, Jäger M, Schubert US. "Chemistry-on-the-complex": functional Ru II polypyridyl-type sensitizers as divergent building blocks. Chem Soc Rev 2018; 47:7577-7627. [PMID: 30246196 DOI: 10.1039/c8cs00096d] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ruthenium polypyridyl type complexes are potent photoactive compounds, and have found - among others - a broad range of important applications in the fields of biomedical diagnosis and phototherapy, energy conversion schemes such as dye-sensitized solar cells (DSSCs) and molecular assemblies for tailored photo-initiated processes. In this regard, the linkage of RuII polypyridyl-type complexes with specific functional moieties is highly desirable to enhance their inherent photophysical properties, e.g., with a targeting function to achieve cell selectivity, or with a dye or redox-active subunits for energy- and electron-transfer. However, the classical approach of performing ligand syntheses first and the formation of Ru complexes in the last steps imposes synthetic limitations with regard to tolerating functional groups or moieties as well as requiring lengthy convergent routes. Alternatively, the diversification of Ru complexes after coordination (termed "chemistry-on-the-complex") provides an elegant complementary approach. In addition to the Click chemistry concept, the rapidly developing synthesis and purification methodologies permit the preparation of Ru conjugates via amidation, alkylation and cross-coupling reactions. In this regard, recent developments in chromatography shifted the limits of purification, e.g., by using new commercialized surface-modified silica gels and automated instrumentation. This review provides detailed insights into applying the "chemistry-on-the-complex" concept, which is believed to stimulate the modular preparation of unpreceded molecular assemblies as well as functional materials based on Ru-based building blocks, including combinatorial approaches.
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Affiliation(s)
- Tina Mede
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany.
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McElhinny KM, Park J, Ahn Y, Huang P, Joo Y, Lakkham A, Pateras A, Wen H, Gopalan P, Evans PG. Photoisomerization Dynamics in a Densely Packed Optically Transformable Azobenzene Monolayer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:10828-10836. [PMID: 30145906 DOI: 10.1021/acs.langmuir.8b01524] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Molecular monolayers that can be reconfigured through the use of external stimuli promise to enable the creation of interfaces with precisely selected dynamically adjustable physical and electronic properties with potential impact ranging from electronics to energy storage. Azobenzene-containing molecular monolayers have multiple stable molecular conformations but face a challenging nanoscale problem associated with understanding the basic mechanisms of reconfiguration. Time-resolved X-ray reflectivity studies show that the reconfiguration of a densely packed rhenium-azobenzene monolayer occurs in a period of many seconds. The degree of reconfiguration from trans to cis forms depends on the integrated UV fluence and has kinetics that are consistent with a mechanism in which the transformation occurs through the nucleation and growth of nanoscale two-dimensional regions of the cis isomer.
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Affiliation(s)
- Kyle M McElhinny
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Joonkyu Park
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Youngjun Ahn
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Peishen Huang
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Yongho Joo
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Arunee Lakkham
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Anastasios Pateras
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Haidan Wen
- Advanced Photon Source , Argonne National Laboratory , Argonne , Illinois 60439 , United States
| | - Padma Gopalan
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Paul G Evans
- Department of Materials Science and Engineering , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
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22
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Matias TA, Parussulo AL, Benavides PA, Guimarães RR, Dourado AH, Nakamura M, de Torresi SIC, Bertotti M, Araki K. Polymeric binuclear ruthenium complex as efficient electrocatalyst for oxygen evolution reaction. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.06.138] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Zamalyutin VV, Bezdenezhnykh VA, Nichugovskiy AI, Flid VR. New Approaches to the Synthesis of 2,2′: 6′,2″-Terpyridine and Some of Its Derivatives. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1070428018030089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Ding X, Zhang L, Wang Y, Liu A, Gao Y. Design of photoanode-based dye-sensitized photoelectrochemical cells assembling with transition metal complexes for visible light-induced water splitting. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.10.020] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Bangle R, Sampaio RN, Troian-Gautier L, Meyer GJ. Surface Grafting of Ru(II) Diazonium-Based Sensitizers on Metal Oxides Enhances Alkaline Stability for Solar Energy Conversion. ACS APPLIED MATERIALS & INTERFACES 2018; 10:3121-3132. [PMID: 29272096 DOI: 10.1021/acsami.7b16641] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The electrografting of [Ru(ttt)(tpy-C6H4-N2+)]3+, where "ttt" is 4,4',4″-tri-tert-butyl-2,2':6',2″-terpyridine, was investigated on several wide band gap metal oxide surfaces (TiO2, SnO2, ZrO2, ZnO, In2O3:Sn) and compared to structurally analogous sensitizers that differed only by the anchoring group, i.e., -PO3H2 and -COOH. An optimized procedure for diazonium electrografting to semiconductor metal oxides is presented that allowed surface coverages that ranged between 4.7 × 10-8 and 10.6 × 10-8 mol cm-2 depending on the nature of the metal oxide. FTIR analysis showed the disappearance of the diazonium stretch at 2266 cm-1 after electrografting. XPS analysis revealed a characteristic peak of Ru 3d at 285 eV as well as a peak at 531.6 eV that was attributed to O 1s in Ti-O-C bonds. Photocurrents were measured to assess electron injection efficiency of these modified surfaces. The electrografted sensitizers exhibited excellent stability across a range of pHs spanning from 1 to 14, where classical binding groups such as carboxylic and phosphonic derivatives were hydrolyzed.
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Affiliation(s)
- Rachel Bangle
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Renato N Sampaio
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Ludovic Troian-Gautier
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
| | - Gerald J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599-3290, United States
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26
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Leem G, Sherman BD, Schanze KS. Polymer-based chromophore-catalyst assemblies for solar energy conversion. NANO CONVERGENCE 2017; 4:37. [PMID: 29299399 PMCID: PMC5740205 DOI: 10.1186/s40580-017-0132-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 12/07/2017] [Indexed: 05/20/2023]
Abstract
The synthesis of polymer-based assemblies for light harvesting has been motivated by the multi-chromophore antennas that play a role in natural photosynthesis for the potential use in solar conversion technologies. This review describes a general strategy for using polymer-based chromophore-catalyst assemblies for solar-driven water oxidation at a photoanode in a dye-sensitized photoelectrochemical cell (DSPEC). This report begins with a summary of the synthetic methods and fundamental photophysical studies of light harvesting polychormophores in solution which show these materials can transport excited state energy to an acceptor where charge-separation can occur. In addition, studies describing light harvesting polychromophores containing an anchoring moiety (ionic carboxylate) for covalent bounding to wide band gap mesoporous semiconductor surfaces are summarized to understand the photophysical mechanisms of directional energy flow at the interface. Finally, the performance of polychromophore/catalyst assembly-based photoanodes capable of light-driven water splitting to oxygen and hydrogen in a DSPEC are summarized.
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Affiliation(s)
- Gyu Leem
- Department of Chemistry, University of Texas at San Antonio, San Antonio, TX 78249 USA
| | - Benjamin D. Sherman
- Department of Chemistry & Biochemistry, Texas Christian University, Fort Worth, TX 76129 USA
| | - Kirk S. Schanze
- Department of Chemistry, University of Texas at San Antonio, San Antonio, TX 78249 USA
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27
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Hu K, Sampaio RN, Marquard SL, Brennaman MK, Tamaki Y, Meyer TJ, Meyer GJ. A High-Valent Metal-Oxo Species Produced by Photoinduced One-Electron, Two-Proton Transfer Reactivity. Inorg Chem 2017; 57:486-494. [DOI: 10.1021/acs.inorgchem.7b02758] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ke Hu
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
- Department
of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Renato N. Sampaio
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
| | - Seth L. Marquard
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
| | - M. Kyle Brennaman
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
| | - Yusuke Tamaki
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
| | - Thomas J. Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
| | - Gerald J. Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill, CB 3290, Chapel Hill, North Carolina 27599, United States
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28
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Martínez MÁ, Carranza MP, Massaguer A, Santos L, Organero JA, Aliende C, de Llorens R, Ng-Choi I, Feliu L, Planas M, Rodríguez AM, Manzano BR, Espino G, Jalón FA. Synthesis and Biological Evaluation of Ru(II) and Pt(II) Complexes Bearing Carboxyl Groups as Potential Anticancer Targeted Drugs. Inorg Chem 2017; 56:13679-13696. [DOI: 10.1021/acs.inorgchem.7b01178] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- M Ángeles Martínez
- Department of Chemistry, University of Girona,
Campus Montilivi, 17003 Girona, Catalunya, Spain
- Department
of Biology, University of Girona, Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - M. Pilar Carranza
- Universidad de Castilla-La Mancha, Facultad de Ciencias y Tecnologías Químicas-IRICA, Avda. Camilo J. Cela 10, 13071 Ciudad Real, Spain
| | - Anna Massaguer
- Department
of Biology, University of Girona, Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - Lucia Santos
- Universidad de Castilla-La Mancha, Departamento de Química Física, Avda. Camilo J. Cela s/n, 13071 Ciudad Real, Spain
| | - Juan A. Organero
- Universidad de Castilla-La Mancha, Departamento
de Química Física, Facultad de Ciencias Ambientales
y Bioquímica, and INAMOL, Avenida Carlos III, S.N., 45071 Toledo, Spain
| | - Cristina Aliende
- Universidad de Burgos. Dpto de Química, Facultad de Ciencias, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Rafael de Llorens
- Department
of Biology, University of Girona, Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - Iteng Ng-Choi
- Laboratori d’Innovació en Processos i Productes
de Síntesi Orgànica (LIPPSO), Department of Chemistry, University of Girona,
Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - Lidia Feliu
- Laboratori d’Innovació en Processos i Productes
de Síntesi Orgànica (LIPPSO), Department of Chemistry, University of Girona,
Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - Marta Planas
- Laboratori d’Innovació en Processos i Productes
de Síntesi Orgànica (LIPPSO), Department of Chemistry, University of Girona,
Campus Montilivi, 17003 Girona, Catalunya, Spain
| | - Ana M. Rodríguez
- Universidad de Castilla-La Mancha, Escuela Técnica Superior de
Ingenieros Industriales, Avda. Camilo J. Cela, 13071 Ciudad Real, Spain
| | - Blanca R. Manzano
- Universidad de Castilla-La Mancha, Facultad de Ciencias y Tecnologías Químicas-IRICA, Avda. Camilo J. Cela 10, 13071 Ciudad Real, Spain
| | - Gustavo Espino
- Universidad de Burgos. Dpto de Química, Facultad de Ciencias, Pza. Misael Bañuelos s/n, 09001 Burgos, Spain
| | - Félix A. Jalón
- Universidad de Castilla-La Mancha, Facultad de Ciencias y Tecnologías Químicas-IRICA, Avda. Camilo J. Cela 10, 13071 Ciudad Real, Spain
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29
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Alibabaei L, Brennaman MK, Meyer TJ. Light-Driven Water Splitting in the Dye-Sensitized Photoelectrosynthesis Cell. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/978-981-10-5924-7_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
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30
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Wang D, Sheridan MV, Shan B, Farnum BH, Marquard SL, Sherman BD, Eberhart MS, Nayak A, Dares CJ, Das AK, Bullock RM, Meyer TJ. Layer-by-Layer Molecular Assemblies for Dye-Sensitized Photoelectrosynthesis Cells Prepared by Atomic Layer Deposition. J Am Chem Soc 2017; 139:14518-14525. [PMID: 28810743 DOI: 10.1021/jacs.7b07216] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In a dye sensitized photoelectrosynthesis cell (DSPEC), the relative orientation of the catalyst and chromophore plays an important role in determining the device efficiency. Here we introduce a new, robust atomic layer deposition (ALD) procedure for the preparation of molecular chromophore-catalyst assemblies on wide bandgap semiconductors. In this procedure, solution deposited, phosphonate derivatized metal complexes on metal oxide surfaces are treated with reactive metal reagents in the gas phase by ALD to form an outer metal ion bridging group, which can bind a second phosphonate containing species from solution to establish a R1-PO2-O-M-O-PO2-R2 type surface assembly. With the ALD procedure, assemblies bridged by Al(III), Sn(IV), Ti(IV), or Zr(IV) metal oxide units have been prepared. To evaluate the performance of this new type of surface assembly, intra-assembly electron transfer was investigated by transient absorption spectroscopy, and light-driven water splitting experiments under steady-state illumination were conducted. A SnO2 bridged assembly on SnO2/TiO2 core/shell electrodes undergoes light-driven water oxidation with an incident photon to current efficiency (IPCE) of 17.1% at 440 nm. Light-driven water reduction with a ruthenium trisbipyridine chromophore and molecular Ni(II) catalyst on NiO films was also used to produce H2. Compared to conventional solution-based procedures, the ALD approach offers significant advantages in scope and flexibility for the preparation of stable surface structures.
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Affiliation(s)
- Degao Wang
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Matthew V Sheridan
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Bing Shan
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Byron H Farnum
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Seth L Marquard
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Benjamin D Sherman
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Michael S Eberhart
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Animesh Nayak
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Christopher J Dares
- Department of Chemistry and Biochemistry, Florida International University , 11200 SW 8th St, Miami, Florida 33199, United States
| | - Atanu K Das
- Center for Molecular Electrocatalysis, Physical Sciences Division, Pacific Northwest National Laboratory , P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - R Morris Bullock
- Center for Molecular Electrocatalysis, Physical Sciences Division, Pacific Northwest National Laboratory , P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Thomas J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
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Gilson RC, Black KCL, Lane DD, Achilefu S. Hybrid TiO 2 -Ruthenium Nano-photosensitizer Synergistically Produces Reactive Oxygen Species in both Hypoxic and Normoxic Conditions. Angew Chem Int Ed Engl 2017; 56:10717-10720. [PMID: 28667692 PMCID: PMC5749187 DOI: 10.1002/anie.201704458] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Indexed: 12/15/2022]
Abstract
Photodynamic therapy (PDT) is widely used to treat diverse diseases, but its dependence on oxygen to produce cytotoxic reactive oxygen species (ROS) diminishes the therapeutic effect in a hypoxic environment, such as solid tumors. Herein, we developed a ROS-producing hybrid nanoparticle-based photosensitizer capable of maintaining high levels of ROS under both normoxic and hypoxic conditions. Conjugation of a ruthenium complex (N3) to a TiO2 nanoparticle afforded TiO2 -N3. Upon exposure of TiO2 -N3 to light, the N3 injected electrons into TiO2 to produce three- and four-fold more hydroxyl radicals and hydrogen peroxide, respectively, than TiO2 at 160 mmHg. TiO2 -N3 maintained three-fold higher hydroxyl radicals than TiO2 under hypoxic conditions via N3-facilitated electron-hole reduction of adsorbed water molecules. The incorporation of N3 transformed TiO2 from a dual type I and II PDT agent to a predominantly type I photosensitizer, irrespective of the oxygen content.
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Affiliation(s)
- Rebecca C Gilson
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, 4515 McKinley Avenue, Saint Louis, MO, 63130, USA
- Biomedical Engineering, Washington University in Saint Louis, 1 Brookings Drive, Saint Louis, MO, 63130, USA
| | - Kvar C L Black
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, 4515 McKinley Avenue, Saint Louis, MO, 63130, USA
| | - Daniel D Lane
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, 4515 McKinley Avenue, Saint Louis, MO, 63130, USA
- Biomedical Engineering, Washington University in Saint Louis, 1 Brookings Drive, Saint Louis, MO, 63130, USA
| | - Samuel Achilefu
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, 4515 McKinley Avenue, Saint Louis, MO, 63130, USA
- Biomedical Engineering, Washington University in Saint Louis, 1 Brookings Drive, Saint Louis, MO, 63130, USA
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32
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Gilson RC, Black KCL, Lane DD, Achilefu S. Hybrid TiO2
-Ruthenium Nano-photosensitizer Synergistically Produces Reactive Oxygen Species in both Hypoxic and Normoxic Conditions. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704458] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rebecca C. Gilson
- Mallinckrodt Institute of Radiology; Washington University School of Medicine; 4515 McKinley Avenue Saint Louis MO 63130 USA
- Biomedical Engineering; Washington University in Saint Louis; 1 Brookings Drive Saint Louis MO 63130 USA
| | - Kvar C. L. Black
- Mallinckrodt Institute of Radiology; Washington University School of Medicine; 4515 McKinley Avenue Saint Louis MO 63130 USA
| | - Daniel D. Lane
- Mallinckrodt Institute of Radiology; Washington University School of Medicine; 4515 McKinley Avenue Saint Louis MO 63130 USA
- Biomedical Engineering; Washington University in Saint Louis; 1 Brookings Drive Saint Louis MO 63130 USA
| | - Samuel Achilefu
- Mallinckrodt Institute of Radiology; Washington University School of Medicine; 4515 McKinley Avenue Saint Louis MO 63130 USA
- Biomedical Engineering; Washington University in Saint Louis; 1 Brookings Drive Saint Louis MO 63130 USA
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33
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Pati PB, Zhang L, Philippe B, Fernández‐Terán R, Ahmadi S, Tian L, Rensmo H, Hammarström L, Tian H. Insights into the Mechanism of a Covalently Linked Organic Dye-Cobaloxime Catalyst System for Dye-Sensitized Solar Fuel Devices. CHEMSUSCHEM 2017; 10:2480-2495. [PMID: 28338295 PMCID: PMC5488223 DOI: 10.1002/cssc.201700285] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 03/23/2017] [Indexed: 05/16/2023]
Abstract
A covalently linked organic dye-cobaloxime catalyst system based on mesoporous NiO is synthesized by a facile click reaction for mechanistic studies and application in a dye-sensitized solar fuel device. The system is systematically investigated by photoelectrochemical measurements, density functional theory, time-resolved fluorescence, transient absorption spectroscopy, and photoelectron spectroscopy. The results show that irradiation of the dye-catalyst on NiO leads to ultrafast hole injection into NiO from the excited dye, followed by a fast electron transfer process to reduce the catalyst. Moreover, the dye adopts different structures with different excited state energies, and excitation energy transfer occurs between neighboring molecules on the semiconductor surface. The photoelectrochemical experiments also show hydrogen production by this system. The axial chloride ligands of the catalyst are released during photocatalysis to create the active sites for proton reduction. A working mechanism of the dye-catalyst system on the photocathode is proposed on the basis of this study.
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Affiliation(s)
- Palas Baran Pati
- Department of Chemistry-Ångström LaboratoryUppsala UniversityBox 523SE 751 20UppsalaSweden
| | - Lei Zhang
- Department of Chemistry-Ångström LaboratoryUppsala UniversityBox 523SE 751 20UppsalaSweden
| | - Bertrand Philippe
- Department of Physics and AstronomyUppsala UniversityBox 516SE 751 20UppsalaSweden
| | | | - Sareh Ahmadi
- Department of Physics and AstronomyUppsala UniversityBox 516SE 751 20UppsalaSweden
| | - Lei Tian
- Department of Chemistry-Ångström LaboratoryUppsala UniversityBox 523SE 751 20UppsalaSweden
| | - Håkan Rensmo
- Department of Physics and AstronomyUppsala UniversityBox 516SE 751 20UppsalaSweden
| | - Leif Hammarström
- Department of Chemistry-Ångström LaboratoryUppsala UniversityBox 523SE 751 20UppsalaSweden
| | - Haining Tian
- Department of Chemistry-Ångström LaboratoryUppsala UniversityBox 523SE 751 20UppsalaSweden
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34
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Morseth ZA, Pho TV, Sheridan MV, Meyer TJ, Schanze KS, Reynolds JR, Papanikolas JM. Interfacial Dynamics within an Organic Chromophore-Based Water Oxidation Molecular Assembly. ACS APPLIED MATERIALS & INTERFACES 2017; 9:16651-16659. [PMID: 28441864 DOI: 10.1021/acsami.7b02713] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Photoinduced electron injection, intra-assembly electron transfer, and back-electron transfer are investigated in a single-site molecular assembly formed by covalently linking a phosphonated terthiophene (T3) chromophore to a Ru(terpyridine)(bipyridine)(L)2+ (L = MeCN or H2O) water oxidation catalyst adsorbed onto a mesoporous metal-oxide (MOx) film. Density functional theory calculations of the T3-trpy-Ru-L assembly indicate that the molecular components are strongly coupled with enhanced low-energy absorptions owing to the presence of an intraligand charge transfer (ILCT) transition between the T3 and trpy moieties. Ultrafast spectroscopy of the MOx//T3-trpy-Ru-L assemblies reveals that excitation of the surface-bound T3 chromophore results in ps-ns electron injection into the metal-oxide conduction band. Electron injection is followed by rapid (<35 ps) intra-assembly electron transfer from the RuII catalyst to regenerate the T3 chromophore with subsequent back-electron transfer on the microsecond time scale.
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Affiliation(s)
- Zachary A Morseth
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Toan V Pho
- School of Chemistry and Biochemistry, School of Materials Science and Engineering, Center for Organic Photonics and Electronics, Georgia Tech Polymer Network, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
| | - Matthew V Sheridan
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Thomas J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Kirk S Schanze
- Department of Chemistry, University of Texas at San Antonio , San Antonio, Texas 78249, United States
| | - John R Reynolds
- School of Chemistry and Biochemistry, School of Materials Science and Engineering, Center for Organic Photonics and Electronics, Georgia Tech Polymer Network, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
| | - John M Papanikolas
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
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35
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Wang Y, Li F, Zhou X, Yu F, Du J, Bai L, Sun L. Highly Efficient Photoelectrochemical Water Splitting with an Immobilized Molecular Co4
O4
Cubane Catalyst. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703039] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yong Wang
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Fei Li
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Xu Zhou
- Institute of Nuclear Physics and Chemistry; China Academy of Engineering Physics (CAEP); Mianyang 621900 China
| | - Fengshou Yu
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Jian Du
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Lichen Bai
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Licheng Sun
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
- Department of Chemistry; School of Chemical Science and Engineering; KTH Royal Institute of Technology; Stockholm 10044 Sweden
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36
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Wang Y, Li F, Zhou X, Yu F, Du J, Bai L, Sun L. Highly Efficient Photoelectrochemical Water Splitting with an Immobilized Molecular Co4
O4
Cubane Catalyst. Angew Chem Int Ed Engl 2017; 56:6911-6915. [DOI: 10.1002/anie.201703039] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Yong Wang
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Fei Li
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Xu Zhou
- Institute of Nuclear Physics and Chemistry; China Academy of Engineering Physics (CAEP); Mianyang 621900 China
| | - Fengshou Yu
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Jian Du
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Lichen Bai
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
| | - Licheng Sun
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); Dalian 116024 China
- Department of Chemistry; School of Chemical Science and Engineering; KTH Royal Institute of Technology; Stockholm 10044 Sweden
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37
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Queyriaux N, Wahyuono RA, Fize J, Gablin C, Wächtler M, Martinez E, Léonard D, Dietzek B, Artero V, Chavarot-Kerlidou M. Aqueous Photocurrent Measurements Correlated to Ultrafast Electron Transfer Dynamics at Ruthenium Tris Diimine-Sensitized NiO Photocathodes. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2017; 121:5891-5904. [PMID: 28676835 PMCID: PMC5493983 DOI: 10.1021/acs.jpcc.6b12536] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Understanding the structural and electronic factors governing the efficiency of dye-sensitized NiO photocathodes is essential to optimize solar fuel production in photoelectrochemical cells (PECs). For these purpose, three different ruthenium dyes, bearing either two or four methylphosphonate anchoring groups and either a bipyridine or a dipyridophenazine ancillary ligand, were synthesized and grafted onto NiO films. These photoelectrodes were fully characterized by XPS, ToF-SIMS, UV-vis absorption, time-resolved emission and femtosecond transient absorption spectroscopies. Increasing the number of anchoring groups from two to four proved beneficial for the grafting efficiency. No significant modification of the electronic properties compared to the parent photosensitizer was observed, in accordance with the non-conjugated nature of the grafted linker. The photoelectrochemical activity of the dye-sensitized NiO electrodes was assessed in fully aqueous medium in the presence of an irreversible electron acceptor and photocurrents reaching 190 μA.cm-2 were recorded. The transient absorption study revealed the presence of two charge recombination pathways for each of the sensitizers and evidenced a stabilized charge separated state in the dppz derivative, supporting its superior photoelectrochemical activity.
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Affiliation(s)
- Nicolas Queyriaux
- Laboratoire de Chimie et Biologie des Métaux, UMR 5249 University Grenoble Alpes, CNRS, CEA, 17 rue des Martyrs, 38000 Grenoble, France
| | - Ruri A. Wahyuono
- Leibniz Institute of Photonic Technology (IPHT) Jena e. V., Albert-Einstein-Strasse 9, Jena 07745, Germany
- Institute for Physical Chemistry and Center for Energy and Environmental Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
| | - Jennifer Fize
- Laboratoire de Chimie et Biologie des Métaux, UMR 5249 University Grenoble Alpes, CNRS, CEA, 17 rue des Martyrs, 38000 Grenoble, France
| | - Corinne Gablin
- Institut des Sciences Analytiques, UMR 5280 (Université Claude Bernard Lyon 1 /CNRS / ENS de Lyon), 5 rue de la Doua, 69100 Villeurbanne, France
| | - Maria Wächtler
- Leibniz Institute of Photonic Technology (IPHT) Jena e. V., Albert-Einstein-Strasse 9, Jena 07745, Germany
- Institute for Physical Chemistry and Center for Energy and Environmental Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
| | - Eugénie Martinez
- CEA, Leti, MINATEC Campus, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Didier Léonard
- Institut des Sciences Analytiques, UMR 5280 (Université Claude Bernard Lyon 1 /CNRS / ENS de Lyon), 5 rue de la Doua, 69100 Villeurbanne, France
| | - Benjamin Dietzek
- Leibniz Institute of Photonic Technology (IPHT) Jena e. V., Albert-Einstein-Strasse 9, Jena 07745, Germany
- Institute for Physical Chemistry and Center for Energy and Environmental Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany
| | - Vincent Artero
- Laboratoire de Chimie et Biologie des Métaux, UMR 5249 University Grenoble Alpes, CNRS, CEA, 17 rue des Martyrs, 38000 Grenoble, France
| | - Murielle Chavarot-Kerlidou
- Laboratoire de Chimie et Biologie des Métaux, UMR 5249 University Grenoble Alpes, CNRS, CEA, 17 rue des Martyrs, 38000 Grenoble, France
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38
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Luo Y, Barthelmes K, Wächtler M, Winter A, Schubert US, Dietzek B. Energy versus Electron Transfer: Controlling the Excitation Transfer in Molecular Triads. Chemistry 2017; 23:4917-4922. [PMID: 28198051 DOI: 10.1002/chem.201700413] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Indexed: 01/23/2023]
Abstract
The photochemistry of RuII coordination compounds is generally discussed to originate from the lowest lying triplet metal-to-ligand charge-transfer state (3 MLCT). However, when heteroleptic complexes are considered, for example, in the design of molecular triads for efficient photoinduced charge separation, a complex structure of 1 MLCT states, which can be populated in a rather narrow spectral window (typically around 450 nm) is to be considered. In this contribution we show that the localization of MLCT excited states on different ligands can affect the following ps to ns decay pathways to an extent that by tuning the excitation wavelength, intermolecular energy transfer from a RuII -terpyridine unit to a fullerene acceptor can be favored over electron transfer within the molecular triad. These results might have important implications for the design of molecular dyads, triads, pentads and so forth with respect to a specifically targeted response of these complexes to photoexcitation.
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Affiliation(s)
- Yusen Luo
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743, Jena, Germany.,Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Strasse 9, 07745, Jena, Germany
| | - Kevin Barthelmes
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743, Jena, Germany.,Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstrasse 10, 07743, Jena, Germany
| | - Maria Wächtler
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Strasse 9, 07745, Jena, Germany
| | - Andreas Winter
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743, Jena, Germany.,Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstrasse 10, 07743, Jena, Germany
| | - Ulrich S Schubert
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743, Jena, Germany.,Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstrasse 10, 07743, Jena, Germany
| | - Benjamin Dietzek
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743, Jena, Germany.,Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Strasse 9, 07745, Jena, Germany.,Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, 07743, Jena, Germany
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39
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Yang Y, Ciampi S, Gooding JJ. Coupled Thermodynamic and Kinetic Changes in the Electrochemistry of Ferrocenyl Monolayers Induced by Light. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:2497-2503. [PMID: 28212037 DOI: 10.1021/acs.langmuir.6b04106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report on the light-induced systematic changes to the thermodynamics and kinetics of ferrocene units attached to a n-type silicon(100) photoelectrode. Both the reaction rate and the energetics of the charge transfer are simultaneously affected by changes in the intensity of the incident light. Cyclic voltammetry shows that increases in the intensity of illumination can drive the redox process toward less positive potentials, with a downhill shift in E1/2 of ca. 160 mV by increasing the light intensity from 3 to 94 mW cm-2. However, this thermodynamic shift is paralleled by an increase in the kinetics of the charge transfer. This latter observation-light-induced kinetic effects at monolayers on silicon electrodes-is made possible only by the stability of the surface chemistry construct. Furthermore, electrochemical impedance measurements showed that the electrodes exhibit faster electron-transfer kinetics under illumination than previously reported for ferrocene-terminated highly doped silicon (around 1 order of magnitude faster). An explanation for the kinetic effects is proposed on the basis of the consistent increase in photogenerated charge carriers inside silicon and the enlarged potential difference between the valence band of silicon and the surface-attached ferrocene.
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Affiliation(s)
- Ying Yang
- School of Chemistry, The University of New South Wales , Sydney NSW 2052, Australia
| | - Simone Ciampi
- Department of Chemistry, Curtin University , Bentley WA 6102, Australia
| | - J Justin Gooding
- School of Chemistry, The University of New South Wales , Sydney NSW 2052, Australia
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40
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Odrobina J, Scholz J, Pannwitz A, Francàs L, Dechert S, Llobet A, Jooss C, Meyer F. Backbone Immobilization of the Bis(bipyridyl)pyrazolate Diruthenium Catalyst for Electrochemical Water Oxidation. ACS Catal 2017. [DOI: 10.1021/acscatal.6b02860] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jann Odrobina
- Institute
of Inorganic Chemistry, Georg-August-University, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Julius Scholz
- Institute
for Materials Physics, Georg-August-University, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
| | - Andrea Pannwitz
- Institute
of Inorganic Chemistry, Georg-August-University, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Laia Francàs
- Institute of Chemical
Research of Catalonia (ICIQ), Av. Països
Catalans 16, E-43007 Tarragona, Spain
| | - Sebastian Dechert
- Institute
of Inorganic Chemistry, Georg-August-University, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Antoni Llobet
- Institute of Chemical
Research of Catalonia (ICIQ), Av. Països
Catalans 16, E-43007 Tarragona, Spain
- Departament
de Química, Universitat Autònoma de Barcelona, 08460 Cerdanyola del Vallès, Barcelona, Spain
| | - Christian Jooss
- Institute
for Materials Physics, Georg-August-University, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
- International
Center for Advanced Studies of Energy Conversion (ICASEC), Georg-August-University, D-37077 Göttingen, Germany
| | - Franc Meyer
- Institute
of Inorganic Chemistry, Georg-August-University, Tammannstraße 4, D-37077 Göttingen, Germany
- International
Center for Advanced Studies of Energy Conversion (ICASEC), Georg-August-University, D-37077 Göttingen, Germany
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41
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Shaffer DW, Xie Y, Concepcion JJ. O–O bond formation in ruthenium-catalyzed water oxidation: single-site nucleophilic attack vs. O–O radical coupling. Chem Soc Rev 2017; 46:6170-6193. [DOI: 10.1039/c7cs00542c] [Citation(s) in RCA: 159] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A review of water oxidation by ruthenium-based molecular catalysts, with emphasis on the mechanism of O–O bond formation.
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Affiliation(s)
| | - Yan Xie
- Chemistry Division
- Brookhaven National Laboratory
- Upton
- USA
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42
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Farran R, Le Quang L, Jouvenot D, Loiseau F, Pansu R, Deronzier A, Chauvin J. Photoelectrochemical behavior of multimetallic assemblies based on [Ru(bpy)3]2+-terpyridine building block: [Ru(II)–M–Ru(II)]+ in solution and [Ru(II)–M]+ dyad anchored on ITO (M = Co(III), Fe(II)). Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.05.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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43
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Li H, Li F, Wang Y, Bai L, Yu F, Sun L. Visible-Light-Driven Water Oxidation on a Photoanode by Supramolecular Assembly of Photosensitizer and Catalyst. Chempluschem 2016; 81:1056-1059. [DOI: 10.1002/cplu.201500539] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/10/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Hua Li
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
| | - Fei Li
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
| | - Yong Wang
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
| | - Lichen Bai
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
| | - Fengshou Yu
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
| | - Licheng Sun
- State Key Laboratory of Fine Chemicals; DUT-KTH Joint Education and Research Center on Molecular Devices; Dalian University of Technology (DUT); 116024 Dalian P. R. China
- Department of Chemistry; School of Chemical Science and Engineering; KTH Royal Institute of Technology; 10044 Stockholm Sweden
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44
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Brennaman MK, Dillon RJ, Alibabaei L, Gish MK, Dares CJ, Ashford DL, House RL, Meyer GJ, Papanikolas JM, Meyer TJ. Finding the Way to Solar Fuels with Dye-Sensitized Photoelectrosynthesis Cells. J Am Chem Soc 2016; 138:13085-13102. [PMID: 27654634 DOI: 10.1021/jacs.6b06466] [Citation(s) in RCA: 207] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The dye-sensitized photoelectrosynthesis cell (DSPEC) integrates high bandgap, nanoparticle oxide semiconductors with the light-absorbing and catalytic properties of designed chromophore-catalyst assemblies. The goals are photoelectrochemical water splitting into hydrogen and oxygen and reduction of CO2 by water to give oxygen and carbon-based fuels. Solar-driven water oxidation occurs at a photoanode and water or CO2 reduction at a cathode or photocathode initiated by molecular-level light absorption. Light absorption is followed by electron or hole injection, catalyst activation, and catalytic water oxidation or water/CO2 reduction. The DSPEC is of recent origin but significant progress has been made. It has the potential to play an important role in our energy future.
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Affiliation(s)
- M Kyle Brennaman
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Robert J Dillon
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Leila Alibabaei
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Melissa K Gish
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Christopher J Dares
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Dennis L Ashford
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Ralph L House
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Gerald J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - John M Papanikolas
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
| | - Thomas J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , CB#3290, Chapel Hill, North Carolina 27599-3290, United States
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45
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Silicon Compound Decorated Photoanode for Performance Enhanced Visible Light Driven Water Splitting. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.152] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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46
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Zhang L, Gao Y, Ding X. A PMMA overlayer improving the surface-bound stability of photoanode for water splitting. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.04.125] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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47
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Li XC, Sui N, Liu QH, Yuan QL, Wang YH. Investigation of Ultrafast Electronic Transfer Process on Organic/Inorganic Heterojunction by Femtosecond Transient Absorption. CHINESE J CHEM PHYS 2016. [DOI: 10.1063/1674-0068/29/cjcp1512251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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48
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Hu K, Blair AD, Piechota EJ, Schauer PA, Sampaio RN, Parlane FGL, Meyer GJ, Berlinguette CP. Kinetic pathway for interfacial electron transfer from a semiconductor to a molecule. Nat Chem 2016; 8:853-9. [DOI: 10.1038/nchem.2549] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 05/10/2016] [Indexed: 11/09/2022]
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49
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Pho TV, Sheridan MV, Morseth ZA, Sherman BD, Meyer TJ, Papanikolas JM, Schanze KS, Reynolds JR. Efficient Light-Driven Oxidation of Alcohols Using an Organic Chromophore-Catalyst Assembly Anchored to TiO2. ACS APPLIED MATERIALS & INTERFACES 2016; 8:9125-9133. [PMID: 27032068 DOI: 10.1021/acsami.6b00932] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The ligand 5-PO3H2-2,2':5',2″-terthiophene-5-trpy, T3 (trpy = 2,2':6',2″-terpyridine), was prepared and studied in aqueous solutions along with its metal complex assembly [Ru(T3)(bpy)(OH2)](2+) (T3-Ru-OH2, bpy = 2,2'-bipyridine). T3 contains a phosphonic acid group for anchoring to a TiO2 photoanode under aqueous conditions, a terthiophene fragment for light absorption and electron injection into TiO2, and a terminal trpy ligand for the construction of assemblies comprising a molecular oxidation catalyst. At a TiO2 photoanode, T3 displays efficient injection at pH 4.35 as evidenced by the high photocurrents (∼350 uA/cm(2)) arising from hydroquinone oxidation. Addition of [Ru(bpy)(OTf)][OTf]2 (bpy = 2,2'-bipyridine, OTf(-) = triflate) to T3 at the free trpy ligand forms the molecular assembly, T3-Ru-OH2, with the oxidative catalyst fragment: [Ru(trpy)(bpy)(OH2)](2+). The new assembly, T3-Ru-OH2, was used to perform efficient light-driven oxidation of phenol (230 μA/cm(2)) and benzyl alcohol (25 μA/cm(2)) in a dye-sensitized photoelectrosynthesis cell.
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Affiliation(s)
- Toan V Pho
- School of Chemistry & Biochemistry, School of Materials Science & Engineering, Center for Organic Photonics and Electronics, Georgia Tech Polymer Network, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
| | - Matthew V Sheridan
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Zachary A Morseth
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Benjamin D Sherman
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Thomas J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - John M Papanikolas
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Kirk S Schanze
- Department of Chemistry, Center for Macromolecular Science and Engineering, University of Florida , Gainesville, Florida 32611, United States
| | - John R Reynolds
- School of Chemistry & Biochemistry, School of Materials Science & Engineering, Center for Organic Photonics and Electronics, Georgia Tech Polymer Network, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
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50
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Majewski MB, Smith JG, Wolf MO, Patrick BO. Long‐Lived, Emissive Excited States in Direct and Amide‐Linked Thienyl‐Substituted Ru
II
Complexes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Marek B. Majewski
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada, http://https://groups.chem.ubc.ca/wolf/
| | - Jeremy G. Smith
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada, http://https://groups.chem.ubc.ca/wolf/
| | - Michael O. Wolf
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada, http://https://groups.chem.ubc.ca/wolf/
| | - Brian O. Patrick
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada, http://https://groups.chem.ubc.ca/wolf/
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