1
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Firestone E, Staples R, Hamann TW. Open-Cage Copper Complexes Modulate Coordination and Charge Transfer. Inorg Chem 2024; 63:12081-12088. [PMID: 38946341 PMCID: PMC11220750 DOI: 10.1021/acs.inorgchem.4c01046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
This study presents a novel copper-based redox shuttle that employs the PY5 pentadentate polypyridyl ligand in a dye-sensitized solar cell (DSSC). The [Cu(PY5)]2+ complex exhibits a unique five-coordinate square pyramidal geometry, characterized by a strategically labile axial position, to facilitate efficient dye regeneration while minimizing electron recombination, thereby enhancing DSSC performance. Notably, the inclusion of 4-tert-butylpyridine (TBP) as an additive is shown to significantly modulate the electrochemical and photophysical properties of the copper complexes, attributed to its coordination to the vacant axial site. This interaction leads to an improved open-circuit voltage and overall device efficiency, with the complexes achieving promising efficiencies under standard solar irradiance. The findings underscore the potential of utilizing copper-based redox shuttles with designed ligand geometries to overcome the limitations of current DSSC materials, opening new avenues for the design and optimization of solar energy conversion devices. This work not only contributes to the fundamental understanding of the behavior of copper complexes in DSSCs but also paves the way for future research aimed at exploiting the full potential of such geometrical and electronic configurations for the development of more robust and efficient solar energy solutions.
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Affiliation(s)
- Eric Firestone
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824-1322, United States
| | - Richard Staples
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824-1322, United States
| | - Thomas W. Hamann
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824-1322, United States
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2
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Hamo Y, Neudert A, Bendikov T, Lahav M, van der Boom ME. Compositionally Controlled Electron Transfer in Metallo-Organics. J Am Chem Soc 2023; 145:18075-18083. [PMID: 37529898 PMCID: PMC10436274 DOI: 10.1021/jacs.3c05874] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Indexed: 08/03/2023]
Abstract
We demonstrate here the assembly of a nanolayer of electrochromic iron complexes on the top of composite layers of cobalt and ruthenium complexes. Depending on the ratio of the latter two complexes, we can tailor materials that show different electron transport pathways, redox activities, and color transitions. No redox activity of the top layer, consisting of iron complexes, is observable when the relative amount of the ruthenium complexes is low in the underlying composite layer because of the insulating properties of the isostructural cobalt complexes. Increasing the amount of ruthenium complexes opens an electron transport channel, resulting in charge storage in both the cobalt and iron complexes. The trapped charges can be chemically released by redox-active ferrocyanide complexes at the film-water interface.
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Affiliation(s)
- Yonatan Hamo
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Alena Neudert
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Tatyana Bendikov
- Department
of Chemical Research Support, The Weizmann
Institute of Science, 7610001 Rehovot, Israel
| | - Michal Lahav
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Milko E. van der Boom
- Department
of Molecular Chemistry and Materials Science, The Weizmann Institute of Science, 7610001 Rehovot, Israel
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3
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Kim HK. Redox Shuttle-Based Electrolytes for Dye-Sensitized Solar Cells: Comprehensive Guidance, Recent Progress, and Future Perspective. ACS OMEGA 2023; 8:6139-6163. [PMID: 36844550 PMCID: PMC9948191 DOI: 10.1021/acsomega.2c06843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
A redox electrolyte is a crucial part of dye-sensitized solar cells (DSSCs), which plays a significant role in the photovoltage and photocurrent of the DSSCs through efficient dye regeneration and minimization of charge recombination. An I-/I3 - redox shuttle has been mostly utilized, but it limits the open-circuit voltage (V oc) to 0.7-0.8 V. To improve the V oc value, an alternative redox shuttle with more positive redox potential is required. Thus, by utilizing cobalt complexes with polypyridyl ligands, a significant power conversion efficiency (PCE) of above 14% with a high V oc of up to 1 V under 1-sun illumination was achieved. Recently, the V oc of a DSSC has exceeded 1 V with a PCE of around 15% by using Cu-complex-based redox shuttles. The PCE of over 34% in DSSCs under ambient light by using these Cu-complex-based redox shuttles also proves the potential for the commercialization of DSSCs in indoor applications. However, most of the developed highly efficient porphyrin and organic dyes cannot be used for the Cu-complex-based redox shuttles due to their higher positive redox potentials. Therefore, the replacement of suitable ligands in Cu complexes or an alternative redox shuttle with a redox potential of 0.45-0.65 V has been required to utilize the highly efficient porphyrin and organic dyes. As a consequence, for the first time, the proposed strategy for a PCE enhancement of over 16% in DSSCs with a suitable redox shuttle is made by finding a superior counter electrode to enhance the fill factor and a suitable near-infrared (NIR)-absorbing dye for cosensitization with the existing dyes to further broaden the light absorption and enhance the short-circuit current density (J sc) value. This review comprehensively analyzes the redox shuttles and redox-shuttle-based liquid electrolytes for DSSCs and gives recent progress and perspectives.
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4
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Liao JM, Chin YK, Wu YT, Chou HH. Effect of regio-specific arylamine substitution on novel π-extended zinc salophen complexes: density functional and time-dependent density functional study on DSSC applications. RSC Adv 2023; 13:2501-2513. [PMID: 36741182 PMCID: PMC9844076 DOI: 10.1039/d2ra07571g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/04/2023] [Indexed: 01/18/2023] Open
Abstract
A series of π-extended salophen-type Schiff-base zinc(ii) complexes, e.g., zinc-salophen complexes (ZSC), were investigated toward potential applications for dye-sensitized solar cells. The ZSC dyes adopt linear-, X-, or π-shaped geometries either with the functionalization of 1 donor/1 acceptor or 2 donors/2 acceptors to achieve a push-pull type molecular structure. The frontier molecular orbitals, light-harvesting properties as well as charge transfer characters against regio-specific substitution of donor/acceptor groups were studied by using density functional theory (DFT) and time-dependent density functional theory (TDDFT). The results reveal that all ZSC dyes of D-ZnS-π-A geometry (where D, S, and A denote to donor, salophen ligand, and acceptor, respectively) exhibit relatively lower HOMO energy compared to the structurally resembled porphyrin dye YD2-o-C8. Natural transition orbital (NTO) and electron-hole separation (EHS) approaches clearly differentiate the linear type YD-series dyes from CL-, AJ1-, and AJ2-series dyes because of poor charge transfer (CT) properties. In contrast, the π-shaped AJ2-series and X-shaped AJ1-series dyes outperform the others in a manner of stronger CT characteristics, broadened UV-vis absorption as well as tunable bandgap simply via substitution of p-ethynylbenzoic acids (EBAs) and arylamine donors at salophen 7,8- and 2,3,12,13-positions, respectively. Both EHS and calculated exciton binding energies suggest the strength of CT character for ZSC dyes with an amino donor in the trend TPA > AN > DPA. This work has provided clear illustration toward molecular design of efficient dyes featuring a zinc-salophen backbone.
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Affiliation(s)
- Jian-Ming Liao
- Department of Applied Chemistry, Providence University Taichung 43301 Taiwan
| | - Yu-Kai Chin
- Department of Applied Chemistry, Providence University Taichung 43301 Taiwan
| | - Yu-Ting Wu
- Department of Applied Chemistry, Providence University Taichung 43301 Taiwan
| | - Hsien-Hsin Chou
- Department of Applied Chemistry, Providence University Taichung 43301 Taiwan
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5
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Nguyen VS, Su TS, Chen CC, Yeh CY, Wei TC. Efficient counter electrode for copper (I)(II)-mediated dye-sensitized solar cells based on polyvinyl alcohol capped platinum nanoclusters. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2022.104626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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6
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Guin PS, Roy S. Recently Reported Ru-Metal Organic Coordination Complexes and Their Application (A Review). RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222080242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Synthesis and characterization of a novel coordination compound based on 2, 6-dimethylpiperazine. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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8
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Teodor AH, Monge S, Aguilar D, Tames A, Nunez R, Gonzalez E, Rodríguez JJM, Bergkamp JJ, Starbird R, Renugopalakrishnan V, Bruce BD, Villarreal C. PEDOT-Carbon Nanotube Counter Electrodes and Bipyridine Cobalt (II/III) Mediators as Universally Compatible Components in Bio-Sensitized Solar Cells Using Photosystem I and Bacteriorhodopsin. Int J Mol Sci 2022; 23:3865. [PMID: 35409224 PMCID: PMC8998335 DOI: 10.3390/ijms23073865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/26/2022] [Accepted: 03/27/2022] [Indexed: 02/04/2023] Open
Abstract
In nature, solar energy is captured by different types of light harvesting protein-pigment complexes. Two of these photoactivatable proteins are bacteriorhodopsin (bR), which utilizes a retinal moiety to function as a proton pump, and photosystem I (PSI), which uses a chlorophyll antenna to catalyze unidirectional electron transfer. Both PSI and bR are well characterized biochemically and have been integrated into solar photovoltaic (PV) devices built from sustainable materials. Both PSI and bR are some of the best performing photosensitizers in the bio-sensitized PV field, yet relatively little attention has been devoted to the development of more sustainable, biocompatible alternative counter electrodes and electrolytes for bio-sensitized solar cells. Careful selection of the electrolyte and counter electrode components is critical to designing bio-sensitized solar cells with more sustainable materials and improved device performance. This work explores the use of poly (3,4-ethylenedioxythiophene) (PEDOT) modified with multi-walled carbon nanotubes (PEDOT/CNT) as counter electrodes and aqueous-soluble bipyridine cobaltII/III complexes as direct redox mediators for both PSI and bR devices. We report a unique counter electrode and redox mediator system that can perform remarkably well for both bio-photosensitizers that have independently evolved over millions of years. The compatibility of disparate proteins with common mediators and counter electrodes may further the improvement of bio-sensitized PV design in a way that is more universally biocompatible for device outputs and longevity.
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Affiliation(s)
- Alexandra H. Teodor
- Graduate School of Genome Science and Technology, University of Tennessee at Knoxville, Knoxville, TN 37996, USA;
| | - Stephanie Monge
- Escuela de Ciencia e Ingeniería de Materiales, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica; (S.M.); (D.A.); (A.T.)
- Centro de Investigación y Extensión en Ingeniería de Materiales (CIEMTEC), Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
- Maestría Ingeniería en Dispositivos Médicos, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Dariana Aguilar
- Escuela de Ciencia e Ingeniería de Materiales, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica; (S.M.); (D.A.); (A.T.)
- Centro de Investigación y Extensión en Ingeniería de Materiales (CIEMTEC), Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Alexandra Tames
- Escuela de Ciencia e Ingeniería de Materiales, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica; (S.M.); (D.A.); (A.T.)
- Centro de Investigación y Extensión en Ingeniería de Materiales (CIEMTEC), Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Roger Nunez
- Department of Chemistry and Biochemistry, California State University Bakersfield, Bakersfield, CA 93311, USA; (R.N.); (E.G.); (J.J.B.)
| | - Elaine Gonzalez
- Department of Chemistry and Biochemistry, California State University Bakersfield, Bakersfield, CA 93311, USA; (R.N.); (E.G.); (J.J.B.)
| | | | - Jesse J. Bergkamp
- Department of Chemistry and Biochemistry, California State University Bakersfield, Bakersfield, CA 93311, USA; (R.N.); (E.G.); (J.J.B.)
| | - Ricardo Starbird
- Centro de Investigación y de Servicios Químicos y Microbiológicos (CEQIATEC), Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica;
- Escuela de Química, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Venkatesan Renugopalakrishnan
- Children’s Hospital, Harvard Medical School, 4 Blackfan Circle, Boston, MA 02115, USA;
- Department of Chemistry and Chemical Biology, Center for Renewable Energy Technology, Northeastern University, 317 Egan Center, Boston, MA 02138, USA
| | - Barry D. Bruce
- Department of Biochemistry, Cellular, and Molecular Biology, University of Tennessee at Knoxville, Knoxville, TN 37996, USA
- Chemical and Biomolecular Engineering Department, University of Tennessee at Knoxville, Knoxville, TN 37996, USA
| | - Claudia Villarreal
- Escuela de Ciencia e Ingeniería de Materiales, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica; (S.M.); (D.A.); (A.T.)
- Centro de Investigación y Extensión en Ingeniería de Materiales (CIEMTEC), Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
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9
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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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10
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Housecroft CE, Constable EC. Solar energy conversion using first row d-block metal coordination compound sensitizers and redox mediators. Chem Sci 2022; 13:1225-1262. [PMID: 35222908 PMCID: PMC8809415 DOI: 10.1039/d1sc06828h] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 01/05/2022] [Indexed: 12/11/2022] Open
Abstract
The use of renewable energy is essential for the future of the Earth, and solar photons are the ultimate source of energy to satisfy the ever-increasing global energy demands. Photoconversion using dye-sensitized solar cells (DSCs) is becoming an established technology to contribute to the sustainable energy market, and among state-of-the art DSCs are those which rely on ruthenium(ii) sensitizers and the triiodide/iodide (I3 -/I-) redox mediator. Ruthenium is a critical raw material, and in this review, we focus on the use of coordination complexes of the more abundant first row d-block metals, in particular copper, iron and zinc, as dyes in DSCs. A major challenge in these DSCs is an enhancement of their photoconversion efficiencies (PCEs) which currently lag significantly behind those containing ruthenium-based dyes. The redox mediator in a DSC is responsible for regenerating the ground state of the dye. Although the I3 -/I- couple has become an established redox shuttle, it has disadvantages: its redox potential limits the values of the open-circuit voltage (V OC) in the DSC and its use creates a corrosive chemical environment within the DSC which impacts upon the long-term stability of the cells. First row d-block metal coordination compounds, especially those containing cobalt, and copper, have come to the fore in the development of alternative redox mediators and we detail the progress in this field over the last decade, with particular attention to Cu2+/Cu+ redox mediators which, when coupled with appropriate dyes, have achieved V OC values in excess of 1000 mV. We also draw attention to aspects of the recyclability of DSCs.
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Affiliation(s)
- Catherine E Housecroft
- Department of Chemistry, University of Basel Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
| | - Edwin C Constable
- Department of Chemistry, University of Basel Mattenstrasse 24a, BPR 1096 4058 Basel Switzerland
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11
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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: 109] [Impact Index Per Article: 36.3] [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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12
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Cho I, Mozer AJ. Effect of Molecular Structure on Interfacial Electron Transfer Kinetics in the Framework of Classical Marcus Theory. Isr J Chem 2021. [DOI: 10.1002/ijch.202100084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Inseong Cho
- ARC Centre of Excellence for Electromaterials Science and Intelligent Polymer Research Institute Innovation Campus Squires Way North Wollongong NSW 2500
| | - Attila J. Mozer
- ARC Centre of Excellence for Electromaterials Science and Intelligent Polymer Research Institute Innovation Campus Squires Way North Wollongong NSW 2500
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13
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Yan M, Wang QH, Zhu YZ, Han ML, Yan YQ, Zheng JY. Effect of triptycene unit on the performance of porphyrin-based dye-sensitized solar cells. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113325] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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14
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Naim W, Novelli V, Nikolinakos I, Barbero N, Dzeba I, Grifoni F, Ren Y, Alnasser T, Velardo A, Borrelli R, Haacke S, Zakeeruddin SM, Graetzel M, Barolo C, Sauvage F. Transparent and Colorless Dye-Sensitized Solar Cells Exceeding 75% Average Visible Transmittance. JACS AU 2021; 1:409-426. [PMID: 34467304 PMCID: PMC8395686 DOI: 10.1021/jacsau.1c00045] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Indexed: 06/13/2023]
Abstract
Most photovoltaic (PV) technologies are opaque to maximize visible light absorption. However, see-through solar cells open additional perspectives for PV integration. Looking beyond maximizing visible light harvesting, this work considers the human eye photopic response to optimize a selective near-infrared sensitizer based on a polymethine cyanine structure (VG20-C x ) to render dye-sensitized solar cells (DSSCs) fully transparent and colorless. This peculiarity was achieved by conferring to the dye the ability to strongly and sharply absorb beyond 800 nm (S0-S1 transition) while rejecting the upper S0-S n contributions far in the blue where the human retina is poorly sensitive. When associated with an aggregation-free anatase TiO2 photoanode, the selective NIR-DSSC can display 3.1% power conversion efficiency, up to 76% average visible transmittance (AVT), a value approaching the 78% AVT value of a standard double glazing window while reaching a color rendering index (CRI) of 92.1%. The ultrafast and fast charge transfer processes are herein discussed, clarifying the different relaxation channels from the dye monomer excited states and highlighting the limiting steps to provide future directions to enhance the performances of this nonintrusive NIR-DSSC technology.
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Affiliation(s)
- Waad Naim
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
| | - Vittoria Novelli
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
| | | | - Nadia Barbero
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
- Department
of Chemistry, NIS Interdepartmental and INSTM Reference Centre, University of Torino, Via Pietro Giuria 7, 10125 Torino, Italy
| | - Iva Dzeba
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
| | - Fionnuala Grifoni
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
| | - Yameng Ren
- Laboratory
of Photonics and Interfaces, Ecole Polytechnique
Fédérale de Lausanne (EPFL), Station 6, 1015 Lausanne, Switzerland
| | - Thomas Alnasser
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
| | - Amalia Velardo
- Dipartimento
di Scienze Agrarie, Forestali e Alimentari, University of Torino, Largo Paolo Braccini 2, Grugliasco 10095, Italy
| | - Raffaele Borrelli
- Dipartimento
di Scienze Agrarie, Forestali e Alimentari, University of Torino, Largo Paolo Braccini 2, Grugliasco 10095, Italy
| | - Stefan Haacke
- IPCMS,
UMR 7504, 23 rue du Loess, 67034 Strasbourg, France
| | - Shaik M. Zakeeruddin
- Laboratory
of Photonics and Interfaces, Ecole Polytechnique
Fédérale de Lausanne (EPFL), Station 6, 1015 Lausanne, Switzerland
| | - Michael Graetzel
- Laboratory
of Photonics and Interfaces, Ecole Polytechnique
Fédérale de Lausanne (EPFL), Station 6, 1015 Lausanne, Switzerland
| | - Claudia Barolo
- Department
of Chemistry, NIS Interdepartmental and INSTM Reference Centre, University of Torino, Via Pietro Giuria 7, 10125 Torino, Italy
| | - Frédéric Sauvage
- Laboratoire
de Réactivité et Chimie des Solides, Université de Picardie Jules Verne (UPJV), CNRS UMR 7314, 33 rue Saint Leu, 80039 Amiens, France
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15
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On the Use of PEDOT as a Catalytic Counter Electrode Material in Dye-Sensitized Solar Cells. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11093795] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Dye-sensitized solar cells (DSSCs) emerged in the early 1990s as a promising alternative to the classic silicon-based solar cell due to their unique combination of low cost, ease of fabrication, color palette for building integration, and high efficiency in indoor applications. This review article describes the fabrication and the properties of poly (3,4-ethylenedioxythiophene) (PEDOT)-based catalytic counter electrodes (CEs) for DSSCs. In particular, the electrochemical reactivity PEDOT CEs used in conjunction with alternative redox mediators for DSSCs is outlined. Among alternative redox shuttles, cobalt and copper complexes, as well as totally organic thiolate/disulfide, have been considered. Finally, PEDOT can also be used as a hole conductor material in electrolyte-free solid-state dye-sensitized solar cells. This review clearly shows that the progress in DSSCs development is strongly linked to the introduction of PEDOT as a new counter electrode material.
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16
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Cai W, Ren K, Zhao A, Wu X, He R, Li M, Shen W. The study of intramolecular decay and intermolecular energy transfer for phosphorescent organic light-emitting devices. Phys Chem Chem Phys 2021; 23:7495-7503. [PMID: 33876109 DOI: 10.1039/d1cp00109d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Due to the huge potential of organic light-emitting diodes (OLEDs) in optical display devices, the exciton utilization of devices should be elucidated comprehensively to achieve a high external quantum efficiency (EQE). In this study, theoretical calculations of intramolecular excited state decay and intermolecular excitation energy transfer (EET) were conducted to investigate the differences in EQE between the two studied systems. Compared to the PtOO7-based system (using PtOO7 as the guest and 26mCPy as the host), the greater EQE of the PtON7-based system (using PtON7 as the guest and 26mCPy as the host) was mainly governed by the stronger energy transfer efficiency, with a secondary role being played by the higher photoluminescence quantum yield of the emitter. We confirmed that the different triplet EET (TEET) rates mainly contribute to the difference in the energy transfer efficiency between two studied systems, where the higher TEET rate from 26mCPy to PtON7 can be attributed to the restrained structural deformation of PtON7 and the desirable energy gap in the energy transfer process. Our calculations indicated that the electronic structure can evidently affect the intramolecular excited state decay and intermolecular excitation energy transfer. In addition, considering the environmental effects on the emission spectra of the emitters, the simulated spectra were consistent with the experimental measurements, which indicated that our descriptions of electronic structures are accurate; furthermore, an effective description of the molecular environment should be obtained. Our computational protocol successfully explored the relationship between the electronic structures, intramolecular excited state decay, and intermolecular excitation energy transfer, which can provide a deep understanding for the design and development of high-quality OLEDs from a molecular perspective.
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Affiliation(s)
- Wanlin Cai
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
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17
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Stojanović M, Flores‐Diaz N, Ren Y, Vlachopoulos N, Pfeifer L, Shen Z, Liu Y, Zakeeruddin SM, Milić JV, Hagfeldt A. The Rise of Dye‐Sensitized Solar Cells: From Molecular Photovoltaics to Emerging Solid‐State Photovoltaic Technologies. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202000230] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Marko Stojanović
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Natalie Flores‐Diaz
- Laboratory of Photomolecular Sciences Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Yameng Ren
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Nikolaos Vlachopoulos
- Laboratory of Photomolecular Sciences Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Lukas Pfeifer
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Zhongjin Shen
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Yuhang Liu
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Shaik M. Zakeeruddin
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Jovana V. Milić
- Laboratory of Photonics and Interfaces Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
| | - Anders Hagfeldt
- Laboratory of Photomolecular Sciences Institute of Chemistry and Chemical Engineering École Polytechnique Fédérale de Lausanne CH-1015 Lausanne Switzerland
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18
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Teodor AH, Ooi EJ, Medina J, Alarcon M, Vaughn MD, Bruce BD, Bergkamp JJ. Aqueous-soluble bipyridine cobalt(ii/iii) complexes act as direct redox mediators in photosystem I-based biophotovoltaic devices. RSC Adv 2021; 11:10434-10450. [PMID: 35423559 PMCID: PMC8695705 DOI: 10.1039/d0ra10221k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 02/28/2021] [Indexed: 01/13/2023] Open
Abstract
Sustainable energy production is critical for meeting growing worldwide energy demands. Due to its stability and reduction potential, photosystem I (PSI) is attractive as the photosensitizer in biophotovoltaic devices. Herein, we characterize aqueous and organic solvent soluble synthetic bipyridine-based cobalt complexes as redox mediators for PSI-based biophotovoltaics applications. Cobalt-based complexes are not destructive to protein and have appropriate midpoint potentials for electron donation to PSI. We report on PSI stability in organic solvents commonly used in biophotovoltaics. We also show the effects of a mixed organic solvent phase on PSI reduction kinetics, slowing reduction rates approximately 8–38 fold as compared to fully aqueous systems, with implications for dye regeneration rates in PSI-based biophotovoltaics. Further, we show evidence of direct electron transfer from cobalt complexes to PSI. Finally, we report on photocurrent generation from Co mediator-PSI biophotovoltaic devices. Taken together, we discuss the development of novel Co complexes and our ability to fine-tune their characteristics via functional groups and counteranion choice to drive interaction with a biological electron acceptor on multiple levels from redox midpoints, spectral overlap, and solvent requirements, among others. This work suggests that fine-tuning of redox active species for interaction with a biological partner is possible for the creation and improvement of low cost, carbon-neutral energy production in the future. Sustainable energy production is critical for meeting growing worldwide energy demands.![]()
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Affiliation(s)
- Alexandra H Teodor
- Graduate School of Genome Science and Technology, University of Tennessee at Knoxville and Oak Ridge National Laboratory USA
| | - Eu-Jee Ooi
- Department of Chemistry and Biochemistry, California State University Bakersfield USA
| | - Jackeline Medina
- Department of Chemistry and Biochemistry, California State University Bakersfield USA
| | - Miguel Alarcon
- Department of Chemistry and Biochemistry, California State University Bakersfield USA
| | | | - Barry D Bruce
- Graduate School of Genome Science and Technology, University of Tennessee at Knoxville and Oak Ridge National Laboratory USA .,Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee at Knoxville USA.,Department of Chemical and Biomolecular Engineering, University of Tennessee at Knoxville USA
| | - Jesse J Bergkamp
- Department of Chemistry and Biochemistry, California State University Bakersfield USA
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19
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Michaels H, Benesperi I, Freitag M. Challenges and prospects of ambient hybrid solar cell applications. Chem Sci 2021; 12:5002-5015. [PMID: 34168767 PMCID: PMC8179625 DOI: 10.1039/d0sc06477g] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 03/03/2021] [Indexed: 11/21/2022] Open
Abstract
The impending implementation of billions of Internet of Things and wireless sensor network devices has the potential to be the next digital revolution, if energy consumption and sustainability constraints can be overcome. Ambient photovoltaics provide vast universal energy that can be used to realise near-perpetual intelligent IoT devices which can directly transform diffused light energy into computational inferences based on artificial neural networks and machine learning. At the same time, a new architecture and energy model needs to be developed for IoT devices to optimize their ability to sense, interact, and anticipate. We address the state-of-the-art materials for indoor photovoltaics, with a particular focus on dye-sensitized solar cells, and their effect on the architecture of next generation IoT devices and sensor networks.
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Affiliation(s)
- Hannes Michaels
- Department of Chemistry, Ångström Laboratory, Uppsala University P.O. Box 523 SE-75120 Uppsala Sweden
- School of Natural and Environmental Science, Newcastle University Bedson Building NE1 7RU Newcastle upon Tyne UK
| | - Iacopo Benesperi
- School of Natural and Environmental Science, Newcastle University Bedson Building NE1 7RU Newcastle upon Tyne UK
| | - Marina Freitag
- Department of Chemistry, Ångström Laboratory, Uppsala University P.O. Box 523 SE-75120 Uppsala Sweden
- School of Natural and Environmental Science, Newcastle University Bedson Building NE1 7RU Newcastle upon Tyne UK
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20
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Tunç G, Zambrano-Angulo M, Arslan BS, Güzel E, Nebioğlu M, Ahsen V, Şişman İ, Cárdenas-Jirón G, Gürek AG. Insight into the effects of the anchoring groups on the photovoltaic performance of unsymmetrical phthalocyanine based dye-sensitized solar cells. Dalton Trans 2021; 50:2981-2996. [PMID: 33565528 DOI: 10.1039/d0dt03696j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Push-pull zinc phthalocyanine dyes bearing hexylsulfanyl moieties as electron donors and carboxyethynyl as mono- or di-anchoring groups have been designed, synthesized and tested as sensitizers in dye-sensitized solar cells (DSSCs). The effects of the anchoring groups on the optical, electrochemical and photovoltaic properties were investigated. The incorporation of a carboxyethynyl group in GT23 has a considerable effect on preventing dye aggregation due to its relatively non-planar structure. The mono-anchoring dye bearing a phenyl carboxyethynyl group, GT5, has a higher molar extinction coefficient and sufficient charge injection into the TiO2 conduction band. Therefore, GT5 achieved at least 90% higher power conversion efficiency than the di-anchoring dyes (GT31 and GT32). Time-dependent density functional theory (PBE0/6-31G(d,p)) was also used to calculate the electronic absorption spectra, which predicted very well the measured UV-Vis with an error of up to 0.11 eV for the Q bands and 0.3 eV for the B bands. The longest charge transfer bands are obtained in the visible light region and they correspond to a transfer phthalocyanine core → substituent with a carboxyethynyl group where the absorptions of GT32 (465 nm) and GT31 (461 nm) are red-shifted compared to GT23 (429 nm) and GT5 (441 nm). The interaction energy between the phthalocyanine and a cluster of anatase-TiO2 (H4Ti40O82) was calculated using density functional theory. For all phthalocyanines, the interaction favored is monodentate and corresponds to -O(OH)Ti(TiO2), where the stronger interaction occurs for GT32 (-2.11 eV) and GT31 (-2.25 eV). This study presents the molecular combination of the anchoring groups in zinc phthalocyanine sensitizers, which is one of the effective strategies for improving the performance of DSSCs.
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Affiliation(s)
- Gülenay Tunç
- Department of Chemistry, Gebze Technical University, Kocaeli, Turkey.
| | - Michael Zambrano-Angulo
- Laboratory of Theoretical Chemistry, Faculty of Chemistry and Biology, University of Santiago de Chile (USACH), Santiago, Chile.
| | | | - Emre Güzel
- Department of Fundamental Sciences, Faculty of Technology, Sakarya University of Applied Sciences, Sakarya, Turkey
| | - Mehmet Nebioğlu
- Department of Chemistry, Sakarya University, Sakarya, Turkey. and Department of Renewable Energy Systems, Sakarya University, Sakarya, Turkey and Biomedical, Magnetic and Semiconductor Materials Research Center (BIMAS-RC), Sakarya University, Sakarya, Turkey
| | - Vefa Ahsen
- Department of Chemistry, Gebze Technical University, Kocaeli, Turkey.
| | - İlkay Şişman
- Department of Chemistry, Sakarya University, Sakarya, Turkey. and Department of Renewable Energy Systems, Sakarya University, Sakarya, Turkey and Biomedical, Magnetic and Semiconductor Materials Research Center (BIMAS-RC), Sakarya University, Sakarya, Turkey
| | - Gloria Cárdenas-Jirón
- Laboratory of Theoretical Chemistry, Faculty of Chemistry and Biology, University of Santiago de Chile (USACH), Santiago, Chile.
| | - Ayşe Gül Gürek
- Department of Chemistry, Gebze Technical University, Kocaeli, Turkey.
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21
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Yang K, Yang X, Zhang L, An J, Wang H, Deng Z. Copper redox mediators with alkoxy groups suppressing recombination for dye-sensitized solar cells. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2020.137564] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Cho I, Wagner P, Innis PC, Mori S, Mozer AJ. Substrate-Dependent Electron-Transfer Rate of Mixed-Ligand Electrolytes: Tuning Electron-Transfer Rate without Changing Driving Force. J Am Chem Soc 2021; 143:488-495. [PMID: 33351629 DOI: 10.1021/jacs.0c12050] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
To meet various requirements for electron transfer (ET) at the substrate/electrolyte interface, mixed redox couples assigned to different functions have been applied. While in all studies the mixed redox species had different redox potentials, such redox systems inherently lose energy by ET between the species. We report interfacial ET kinetics employing mixed-ligand electrolytes based on Co2+/3+ complexes with mixtures of dimethyl- and dinonyl-substituted bipyridyl (bpy) ligands with the same redox potential. The ET rates of the mixed electrolytes decrease with the increasing ratio of the dinonyl-bpy ligand, with substrates adsorbed by molecules without alkyl chains due to a blocking effect. However, when the molecules on substrates have four alkyl chains, the ET rate between the molecules and the electrolytes with increasing ratio of the dinonyl-bpy ligand is enhanced. The substrate-dependent behavior is explained by selective intermolecular interactions. The results open design flexibility for mixed-redox electrolyte systems to control ET at multi-substrate interfaces and provide a novel means to tune ET rates simultaneously for various ET processes in a system without losing energy by the ET.
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Affiliation(s)
- Inseong Cho
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia
| | - Pawel Wagner
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia
| | - Peter C Innis
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia
| | - Shogo Mori
- Division of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
| | - Attila J Mozer
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia
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23
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Cho I, Wagner P, Innis PC, Mozer AJ. The impact of insufficient time resolution on dye regeneration lifetime determined using transient absorption spectroscopy. Phys Chem Chem Phys 2021; 23:13001-13010. [PMID: 34085680 DOI: 10.1039/d1cp01217g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Dye regeneration lifetimes of a combination of dyes and redox mediators were determined by two transient absorption (TA) spectrometers with 0.5 ns (sub-ns) and 6 ns (ns) time resolutions to elucidate the impact of insufficient time resolution on the measurements of dye regeneration kinetics in dye-sensitised semiconductor electrodes. Due to the disordered nature of the dye-sensitised electrodes, the dye regeneration lifetime is often characterised by half-decay time (τ1/2) of the initial signal magnitude. Alternatively, τ1/2,S is calculated from stretched-exponential lifetime (τww) and the distribution of lifetimes characterised by the stretch parameter (β). Stretched-exponential functions were numerically modelled, showing that to keep the error in τ1/2 ≤ 10%, τww needs to be at least 20 times longer than the time resolution in case of non-dispersive transients (β = 0.9) but at least 870 times longer when dispersive (β = 0.5). To test the predictions, TA decays of a combination of organic and porhyrin dyes and three cobalt-complex mediators are analysed, spanning a range of τww and β. These examples show that a 262% error in τ1/2 is possible if the time resolution of the TA setup is only 13 times faster than τww and smaller β results in larger error when τww is similar. Determining τ1/2,S by stretched-exponential fitting generally reduces the error compared to that determined directly from the graph. However, if the stretched-exponential function does not correctly describe the early signal transient, even a larger error by stretched-exponetial fitting is introduced. The key requirement for accurate measurement is to have a fast-enough TA setup to resolve the initial plateau of the TA signal. To demonstrate the impact of the measured errors, the measured regeneration lifetimes are plotted versus the driving force of the reaction and modelled using Marcus theory. Erroneous regeneration rates lead to an underestimated electronic coupling term by 2.2 times in case of a series of porphyrin dyes matched with Co complex electrolytes, a significant impact when the interpretation of factors affecting electron transfer at dye-sensitised semiconductor/electrolyte interface is discussed.
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Affiliation(s)
- Inseong Cho
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia.
| | - Pawel Wagner
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia.
| | - Peter C Innis
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia.
| | - Attila J Mozer
- Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science, University of Wollongong, New South Wales 2522, Australia.
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24
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Dixon IM, Rat S, Sournia-Saquet A, Molnár G, Salmon L, Bousseksou A. On the Spin-State Dependence of Redox Potentials of Spin Crossover Complexes. Inorg Chem 2020; 59:18402-18406. [PMID: 33284611 DOI: 10.1021/acs.inorgchem.0c03043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Resistance switching properties of nanoscale junctions of spin crossover molecules have received recently much interest. In many cases, this property has been traced back to the variation of molecular orbital energies upon spin transition. However, one can also expect a substantial reorganization of the molecular structure due to charge localization, which calls for a better understanding of the relationship between the redox potential and the spin state of the molecule. To investigate this issue, we carried out a detailed density functional theory and variable temperature cyclic voltammetry investigation of the benchmark compound [Fe(HB(1,2,4-triazol-1-yl)3)2] in solution. We show that, for a correct thermodynamical picture, it is necessary to take into account the charge transfer-induced electronic and structural reorganization as well as spin equilibria in the oxidized and reduced species.
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Affiliation(s)
- Isabelle M Dixon
- Laboratoire de Chimie et Physique Quantiques, UMR 5626 CNRS/Université Toulouse 3-Paul Sabatier, Université de Toulouse, 118 route de Narbonne, 31062 Toulouse, France
| | - Sylvain Rat
- Laboratoire de Chimie de Coordination, UPR 8241, CNRS and Université de Toulouse, UPS, INP, 205 route de Narbonne, 31077 Toulouse, France
| | - Alix Sournia-Saquet
- Laboratoire de Chimie de Coordination, UPR 8241, CNRS and Université de Toulouse, UPS, INP, 205 route de Narbonne, 31077 Toulouse, France
| | - Gábor Molnár
- Laboratoire de Chimie de Coordination, UPR 8241, CNRS and Université de Toulouse, UPS, INP, 205 route de Narbonne, 31077 Toulouse, France
| | - Lionel Salmon
- Laboratoire de Chimie de Coordination, UPR 8241, CNRS and Université de Toulouse, UPS, INP, 205 route de Narbonne, 31077 Toulouse, France
| | - Azzedine Bousseksou
- Laboratoire de Chimie de Coordination, UPR 8241, CNRS and Université de Toulouse, UPS, INP, 205 route de Narbonne, 31077 Toulouse, France
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25
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Hailu YM, Nguyen MT, Jiang JC. Theoretical study on the interaction of iodide electrolyte/organic dye with the TiO 2 surface in dye-sensitized solar cells. Phys Chem Chem Phys 2020; 22:26410-26418. [PMID: 33179644 DOI: 10.1039/d0cp02532a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The iodide/triiodide interaction with the dye on a semiconductor surface plays a significant role in understanding the dye-sensitized solar cells (DSSCs) mechanism and improving its efficiency. In the present study, density functional theory (DFT) calculations were used to determine the interaction between the complexed iodide redox couple with dye/TiO2 for the relevance of DSSCs. Three new metal-free organic dyes noted as D1Y, D2Y and D3Y, featured with D-π-A configuration were designed by varying functional groups on the donor moiety. We analyzed the structural and electronic properties of these dyes when standing alone and being adsorbed on the oxide surface with the iodide electrolyte. Of the designed dyes, the incorporation of a strong donor unit in D1Y and D2Y sensitizers in conjunction with iodide electrolytes on the TiO2 surface provides better adsorption and electronic properties in comparison to those from the dye alone on the TiO2 surface. Analysis of density of states (DOS) indicates that the introduction of a strong electron-donating group into the organic dye, mainly D1Y and D2Y with an iodide electrolyte on the surface remarkably upshifts the Fermi energy, thereby improving the efficiency of the DSSCs by an increase of the open-circuit voltage (Voc). The present finding constitutes the basis for achieving a deeper understanding of the intrinsic interaction taking place at the electrolyte/dye/TiO2 interface and provides us with directions for the design of efficient dyes and redox electrolytes for improving DSSCs.
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Affiliation(s)
- Yohannes Mulugeta Hailu
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.
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26
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Kessinger MC, Brillhart C, Vaissier Welborn V, Morris AJ. The effect of inner-sphere reorganization on charge separated state lifetimes at sensitized TiO 2 interfaces. J Chem Phys 2020; 153:124711. [PMID: 33003711 DOI: 10.1063/5.0023591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Improving the efficiency of photo-electrocatalytic cells depends on controlling the rates of interfacial electron transfer to promote the formation of long-lived charge separated states. Ultimately, for efficient catalytic assemblies to see widespread implementation, repeated electron transfer in the absence of charge recombination needs to be realized. In this study, a series of manganese-based transition metal complexes known to undergo charge transfer-induced spin crossover are employed to study how significant increases in inner-sphere reorganization energy affect the rates of interfacial electron transfer. Each complex is characterized by transient spectroscopic and electrochemical methods to calculate the rate of electron transfer to a model chromophore anchored to the surface of a TiO2 film. Likewise, open-circuit voltage decay measurements were used to determine the voltage-dependent lifetime of injected electrons in TiO2 in the presence of each complex. To further characterize the rates of electronic recombination, density functional theory was used to calculate the inner-sphere and outer-sphere reorganization energy for each complex. These calculations were then combined with classical Marcus theory to determine the theoretical rate of back-electron transfer from the TiO2 conduction band. These results show that, in model complexes, a significant reduction in the recombination rate constant is achieved for complexes possessing a significant inner-sphere reorganization energy.
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Affiliation(s)
- M C Kessinger
- Department of Chemsitry, Virginia Polytechnic and State University, Blacksburg, Virginia 24061, USA
| | - C Brillhart
- Department of Chemsitry, Virginia Polytechnic and State University, Blacksburg, Virginia 24061, USA
| | - V Vaissier Welborn
- Department of Chemsitry, Virginia Polytechnic and State University, Blacksburg, Virginia 24061, USA
| | - A J Morris
- Department of Chemsitry, Virginia Polytechnic and State University, Blacksburg, Virginia 24061, USA
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27
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Ferrocene Derivatives Functionalized with Donor/Acceptor (Hetero)Aromatic Substituents: Tuning of Redox Properties. ENERGIES 2020. [DOI: 10.3390/en13153937] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A series of functionalized ferrocene derivatives carrying electron-donor and electron-withdrawing (hetero)aromatic substituents has been designed as potential alternative electrolyte redox couples for dye-sensitized solar cells (DSSC). The compounds have been synthesized and fully characterized in their optical and electrochemical properties. A general synthetic approach that implies the use of a microwave assisted Suzuki coupling has been developed to access a significative number of compounds. The presence of different electron-rich and electron-poor substituents provided fine tuning of optical properties and energy levels. HOMO and LUMO energy values showed that the substitution of one or two cyclopentadienyl rings of ferrocene can be successfully exploited to increase the maximum attainable voltage from a standard DSSC device using TiO2 as a semiconductor, opening the way to highly efficient, non-toxic, and cheap redox shuttles to be employed in solar energy technologies.
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28
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Interacting Ru(bpy)
3
2
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Dye Molecules and TiO2 Semiconductor in Dye-Sensitized Solar Cells. MATHEMATICS 2020. [DOI: 10.3390/math8050841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Solar energy is an alternative source of energy that can be used to replace fossil fuels. Various types of solar cells have been developed to harvest this seemingly endless supply of energy, leading to the construction of solar cell devices, such as dye-sensitized solar cells. An important factor that affects energy conversion efficiency of dye-sensitized solar cells is the distribution of dye molecules within the porous semiconductor (TiO 2 ). In this paper, we formulate a continuum model for the interaction between the dye molecule Tris(2,2 ′ -bipyridyl)ruthenium(II) (Ru(bpy) 3 2 + ) and titanium dioxide (TiO 2 ) semiconductor. We obtain the equilibrium position at the minimum energy position between the dye molecules and between the dye and TiO 2 nanoporous structure. Our main outcome is an analytical expression for the energy of the two molecules as a function of their sizes. We also show that the interaction energy obtained using the continuum model is in close agreement with molecular dynamics simulations.
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29
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AlDamen MA, Sinnokrot MO, Atta SB, Al Qawasmeh RA, Gómez-García CJ. Crystal Structure and Magnetic Properties of a New Wells-Dawson [β-P2CoW17O62]10− Polyoxoanion. J STRUCT CHEM+ 2020. [DOI: 10.1134/s0022476620040083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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30
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Pahan S, Sengupta A, Yadav AK, Jha SN, Bhattacharyya D, Musharaf Ali S, Khan PN, Debnath AK, Banerjee D, Vincent T, Manohar S, Kaushik CP. Exploring functionalized titania for task specific application of efficient separation of trivalent f-block elements. NEW J CHEM 2020. [DOI: 10.1039/d0nj01014f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Functionalized titania, obtained by grafting the dipicolinic acid functionality, was explored for task specific application of highly efficient separation of trivalent f-block elements.
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Affiliation(s)
- Sumit Pahan
- Process Development Division
- Bhabha Atomic Research Centre
- India
- Homi Bhabha National Institute
- India
| | - Arijit Sengupta
- Homi Bhabha National Institute
- India
- Radiochemistry Division
- Bhabha Atomic Research Centre
- India
| | - A. K. Yadav
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- India
| | - S. N. Jha
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- India
| | - D. Bhattacharyya
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- India
| | | | - P. N. Khan
- Process Development Division
- Bhabha Atomic Research Centre
- India
| | - A. K. Debnath
- Technical Physics Division
- Bhabha Atomic Research Centre
- India
| | - D. Banerjee
- Process Development Division
- Bhabha Atomic Research Centre
- India
| | - T. Vincent
- Process Development Division
- Bhabha Atomic Research Centre
- India
| | - S. Manohar
- Process Development Division
- Bhabha Atomic Research Centre
- India
| | - C. P. Kaushik
- Homi Bhabha National Institute
- India
- Nuclear Recycle Group
- Bhabha Atomic Research Centre
- India
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31
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Kusama H. Interaction of tris(4-anisyl)amine mediator in dye-sensitized solar cells. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Ikeda K, Mahyuddin MH, Shiota Y, Staykov A, Matsumoto T, Ogo S, Yoshizawa K. Computational Study on the Light-Induced Oxidation of Iridium-Aqua Complex to Iridium-Oxo Complex over WO 3(001) Surface. Inorg Chem 2019; 59:415-422. [PMID: 31829576 DOI: 10.1021/acs.inorgchem.9b02704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An iridium aqua complex [IrIII(η5-C5Me5){bpy(COOH)2}(H2O)]2+ under visible light irradiation has been experimentally reported to form an iridium-oxo (Ir-oxo) complex [IrV(η5-C5Me5){bpy(COOH)2}(O)]2+, which oxidizes H2O to O2. However, the mechanism for the formation of this Ir-oxo complex remains unclear, due to the difficulties in observing the unstable Ir-oxo complex and computing light-induced systems having different numbers of electrons. In this study, we perform density functional theory (DFT) and time-dependent DFT (TD-DFT) calculations to investigate more in detail our previously proposed deprotonation and light-induced oxidation reactions composing the formation of the Ir-oxo complex. In particular, we discuss effects of light irradiation and WO3 support on the formation of the Ir-oxo complex. We suggest two distinct mechanisms, that is, direct and indirect for the light-induced oxidation. In the direct mechanism electrons are directly transferred from the occupied π* orbitals of IrIII-OH or IrIV=O• to the conduction band of the WO3 surface, whereas in the indirect mechanism electrons are first excited from the valence band to the conduction band of the WO3 surface due to the UV light, and then the resultant electron hole oxidizes the Ir complex. In the direct mechanism, in particular, we found that the lowest energy of the anode's conduction band determines the adsorption wavelength of the light irradiation, enabling us to predict alternative semiconductor anodes for more efficient formation of the Ir-oxo complex.
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Affiliation(s)
- Kei Ikeda
- Institute for Materials Chemistry and Engineering , Kyushu University , Fukuoka 819-0395 , Japan
| | - Muhammad Haris Mahyuddin
- Institute for Materials Chemistry and Engineering , Kyushu University , Fukuoka 819-0395 , Japan
| | - Yoshihito Shiota
- Institute for Materials Chemistry and Engineering , Kyushu University , Fukuoka 819-0395 , Japan
| | - Aleksandar Staykov
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , Fukuoka 819-0395 , Japan
| | - Takahiro Matsumoto
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , Fukuoka 819-0395 , Japan.,Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,Center for Small Molecule Energy , Kyushu University , Fukuoka 819-0395 , Japan
| | - Seiji Ogo
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , Fukuoka 819-0395 , Japan.,Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,Center for Small Molecule Energy , Kyushu University , Fukuoka 819-0395 , Japan
| | - Kazunari Yoshizawa
- Institute for Materials Chemistry and Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , Fukuoka 819-0395 , Japan.,Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,Center for Small Molecule Energy , Kyushu University , Fukuoka 819-0395 , Japan
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33
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Hannachi A, Valkonen A, Gómez García CJ, Rzaigui M, Smirani W. Synthesis of isomorphous cobalt and nickel thiocyanate coordination compounds: Effect of metals on compound properties. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.114122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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34
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Iftikhar H, Sonai GG, Hashmi SG, Nogueira AF, Lund PD. Progress on Electrolytes Development in Dye-Sensitized Solar Cells. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E1998. [PMID: 31234406 PMCID: PMC6631186 DOI: 10.3390/ma12121998] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 06/18/2019] [Accepted: 06/19/2019] [Indexed: 01/20/2023]
Abstract
Dye-sensitized solar cells (DSSCs) have been intensely researched for more than two decades. Electrolyte formulations are one of the bottlenecks to their successful commercialization, since these result in trade-offs between the photovoltaic performance and long-term performance stability. The corrosive nature of the redox shuttles in the electrolytes is an additional limitation for industrial-scale production of DSSCs, especially with low cost metallic electrodes. Numerous electrolyte formulations have been developed and tested in various DSSC configurations to address the aforementioned challenges. Here, we comprehensively review the progress on the development and application of electrolytes for DSSCs. We particularly focus on the improvements that have been made in different types of electrolytes, which result in enhanced photovoltaic performance and long-term device stability of DSSCs. Several recently introduced electrolyte materials are reviewed, and the role of electrolytes in different DSSC device designs is critically assessed. To sum up, we provide an overview of recent trends in research on electrolytes for DSSCs and highlight the advantages and limitations of recently reported novel electrolyte compositions for producing low-cost and industrially scalable solar cell technology.
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Affiliation(s)
- Haider Iftikhar
- New Energy Technologies Group, Department of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Espoo, Finland.
| | - Gabriela Gava Sonai
- Laboratory of Nanotechnology and Solar Energy, Chemistry Institute, University of Campinas-UNICAMP, P.O. Box 6154, 13083-970 Campinas, SP, Brazil.
| | - Syed Ghufran Hashmi
- Department of Applied Physics, Aalto Startup Center, A-Grid, Otakaari 5, FI-02150 Espoo, Finland.
| | - Ana Flávia Nogueira
- Laboratory of Nanotechnology and Solar Energy, Chemistry Institute, University of Campinas-UNICAMP, P.O. Box 6154, 13083-970 Campinas, SP, Brazil.
| | - Peter David Lund
- New Energy Technologies Group, Department of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Espoo, Finland.
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35
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Kusumawati Y, Puteri ZR, Ivansyah AL, Fansuri H, Martoprawiro MA. The study of nitroxide radical redox-couple and anatase surface interaction: a guide to choose the best sensitizer. Theor Chem Acc 2019. [DOI: 10.1007/s00214-019-2452-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Abstract
Dye-sensitized solar cells (DSSCs) have attracted a substantial interest in the last 30 years for the conversion of solar power to electricity. An important component is the redox mediator effecting the transport of charge between the photoelectrode and the dark counter electrode (CE). Among the possible mediators, metal coordination complexes play a prominent role and at present are incorporated in several types of devices with a power conversion efficiency exceeding 10%. The present review, after a brief introduction to the operation of DSSCs, discusses at first the requirements for a successful mediator. Subsequently, the properties of various classes of inorganic coordination complexes functioning as mediators relevant to DSSC operation are presented and the operational characteristics of DSSC devices analyzed. Particular emphasis is paid to the two main classes of efficient redox mediators, the coordination complexes of cobalt and copper; however other less efficient but promising classes of mediators, notably complexes of iron, nickel, manganese and vanadium, are also presented.
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37
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Urzúa-Leiva R, Pino-Rios R, Cárdenas-Jirón G. The influence of antenna and anchoring moieties on the improvement of photoelectronic properties in Zn(ii)-porphyrin-TiO 2 as potential dye-sensitized solar cells. Phys Chem Chem Phys 2019; 21:4339-4348. [PMID: 30724278 DOI: 10.1039/c8cp06988c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A systematic study for the rational design of porphyrins (P4 spider-shaped derivatives) with potential application in dye-sensitized solar cells is presented. Using density functional theory (DFT) (B3LYP/6-31G*) and time-dependent DFT (M06/6-31G*) we show that the UV-vis absorption properties of a spider-shaped Zn(ii) porphyrin, previously synthesized by Stangel et al., may be greatly improved by applying some push-pull strategies in meso positions. We found that the selected triphenylamine push group induces a remarkable improvement in the absorption bands of P4 spider-shaped derivatives. The pull effect reached through the π-electron-rich phenyl group and the benzodithiazole (BTD) group allowed the Q bands to be red-shifted up to 689 nm, much longer than the 593 nm reported experimentally for the original spider-shaped porphyrin. The adsorption results of the P4 spider-shaped derivatives onto a TiO2-anatase surface model [Ti16O34H4] through the carboxylic acid group showed that the adsorptions energies were favourable and very similar in all cases. Natural bond orbitals (NBO) indicated a two-center bond (BD) O(carboxyl)-Ti(TiO2) for the porphyrin with the highest adsorption energy (8.27 kcal mol-1), and donor acceptor interactions from LP O(carboxyl) to Ti(TiO2) for the other porphyrins. The natural transition orbitals (NTO) for P4-derivatives-TiO2 confirm the nature of the excited states associated with Q and Soret bands. Finally, the frontier molecular orbitals revealed charge-separated states between those occupied and unoccupied, indicating a favourable charge-transfer process between the dyes and the surface conduction bands. In conclusion, this work showed a systematic study based on the push-pull strategy that improves the performance of porphyrins with the purpose to be used in dye-sensitized solar cells.
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Affiliation(s)
- Rodrigo Urzúa-Leiva
- Laboratory of Theoretical Chemistry, Faculty of Chemistry and Biology, University of Santiago de Chile (USACH), 9170022, Santiago, Chile.
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38
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Fantacci S, De Angelis F. Ab Initio Modeling of Solar Cell Dye Sensitizers: The Hunt for Red Photons Continues. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801258] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Simona Fantacci
- Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), CNR‐ISTM Via Elce di Sotto 8 06123 Perugia Italy
| | - Filippo De Angelis
- Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), CNR‐ISTM Via Elce di Sotto 8 06123 Perugia Italy
- D3‐CompuNet Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
- Department of Chemistry Biology and Biotechnology University of Perugia Via Elce di Sotto, 8 06123 Perugia Italy
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39
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Vincent Joseph KL, Mary Rosana NT, Easwaramoorthi R, Judith Vijaya J, Karthikeyan S, Kim JK. Output current enhancement of hexylthiophene functionalized D–π-extended–A triphenylamine in dye sensitized solar cells. NEW J CHEM 2019. [DOI: 10.1039/c9nj01970g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this work, we report the synthesis of triphenylamine based D–π-extended–A hexylthiophene functionalized MY-102 dye and its solar power conversion efficiency improvement in dye sensitized solar cells (DSCs).
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Affiliation(s)
- K. L. Vincent Joseph
- New Energy Materials Laboratory
- Chennai Institute of Technology, Kundrathur
- Chennai-600 069
- India
| | - N. T. Mary Rosana
- Department of Chemical Engineering
- Sathyabama Institute of Science and Technology
- Chennai-600 099
- India
- Department of Chemical Engineering
| | - R. Easwaramoorthi
- Centre for Solar Energy Materials (CSEM)
- International Advanced Centre for Powder Metallurgy and Nanomaterials (ARCI)
- Hyderabad-500 005
- India
| | - J. Judith Vijaya
- Catalysis and Nanomaterials Research Laboratory
- Department of Chemistry
- Loyola College
- Chennai-600 034
- India
| | - S. Karthikeyan
- PG and Research Department of Chemistry
- Khadir Mohideen College
- Adirampattinam-614 701
- India
| | - J. K. Kim
- National Creative Research Center for Block Copolymer Self-Assembly
- Department of Chemical Engineering, Pohang
- University of Science and Technology
- Kyungbuk 790-784
- Korea
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40
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Fereidoni S, Ghiasi R, Pasdar H. Theoretical Study of the Solvent Effect on the Electronic and Vibrational Properties of [CpFe(CO)2(NCS)] and [CpFe(CO)2(SCN)] Linkage Isomers. J STRUCT CHEM+ 2018. [DOI: 10.1134/s0022476618050074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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41
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Zhao L. Application of stepped light-induced transient measurements of photocurrent and photovoltage in charge-transfer mechanism characterization. J CHIN CHEM SOC-TAIP 2018. [DOI: 10.1002/jccs.201800196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Long Zhao
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang P. R. China
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42
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43
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Copper Complexes with Tetradentate Ligands for Enhanced Charge Transport in Dye-Sensitized Solar Cells. INORGANICS 2018. [DOI: 10.3390/inorganics6020053] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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44
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Energy conversion process of substituted phthalocyanines with potential application to DSSC: a theoretical study. Theor Chem Acc 2018. [DOI: 10.1007/s00214-018-2229-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Ferdowsi P, Saygili Y, Zakeeruddin SM, Mokhtari J, Grätzel M, Hagfeldt A, Kavan L. Alternative bases to 4-tert-butylpyridine for dye-sensitized solar cells employing copper redox mediator. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.01.142] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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DiMarco BN, Troian-Gautier L, Sampaio RN, Meyer GJ. Dye-sensitized electron transfer from TiO 2 to oxidized triphenylamines that follows first-order kinetics. Chem Sci 2018; 9:940-949. [PMID: 29629161 PMCID: PMC5874694 DOI: 10.1039/c7sc03839a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/16/2017] [Indexed: 11/21/2022] Open
Abstract
Two sensitizers, [Ru(bpy)2(dcb)]2+ (RuC) and [Ru(bpy)2(dpb)]2+ (RuP), where bpy is 2,2'-bipyridine, dcb is 4,4'-dicarboxylic acid-2,2'-bipyridine and dpb is 4,4'-diphosphonic acid-2,2'-bipyridine, were anchored to mesoporous TiO2 thin films and utilized to sensitize the reaction of TiO2 electrons with oxidized triphenylamines, TiO2(e-) + TPA+ → TiO2 + TPA, to visible light in CH3CN electrolytes. A family of four symmetrically substituted triphenylamines (TPAs) with formal Eo(TPA+/0) reduction potentials that spanned a 0.5 eV range was investigated. Surprisingly, the reaction followed first-order kinetics for two TPAs that provided the largest thermodynamic driving force. Such first-order reactivity indicates a strong Coulombic interaction between TPA+ and TiO2 that enables the injected electron to tunnel back in one concerted step. The kinetics for the other TPA derivatives were non-exponential and were modelled with the Kohlrausch-William-Watts (KWW) function. A Perrin-like reaction sphere model is proposed to rationalize the kinetic data. The activation energies were the same for all of the TPAs, within experimental error. The average rate constants were found to increase with the thermodynamic driving force, consistent with electron transfer in the Marcus normal region.
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Affiliation(s)
- Brian N DiMarco
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , USA .
| | - Ludovic Troian-Gautier
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , USA .
| | - Renato N Sampaio
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , USA .
| | - Gerald J Meyer
- Department of Chemistry , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina 27599-3290 , USA .
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47
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Abhervé A, Benmansour S, Gómez-García CJ, Avarvari N. Iron( ii) and cobalt( ii) complexes based on anionic phenanthroline-imidazolate ligands: reversible single-crystal-to-single-crystal transformations. CrystEngComm 2018. [DOI: 10.1039/c8ce00561c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Among the series of FeIIand CoIIcomplexes based on phenanthroline-imidazolate ligands, the FeIIcomplex (H9O4)[Fe(PIMP)3]·(C4H10O)2(H2O) (1a) exhibits reversible single-crystal-to-single-crystal transformations by solvent uptake/release.
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Affiliation(s)
- Alexandre Abhervé
- Laboratoire MOLTECH-Anjou UMR 6200
- UFR Sciences
- CNRS
- Université d'Angers
- 49045 Angers
| | - Samia Benmansour
- Departamento de Química Inorgánica
- Instituto de Ciencia Molecular (ICMol)
- Parque Científico
- Universidad de Valencia
- 46980 Paterna
| | - Carlos José Gómez-García
- Departamento de Química Inorgánica
- Instituto de Ciencia Molecular (ICMol)
- Parque Científico
- Universidad de Valencia
- 46980 Paterna
| | - Narcis Avarvari
- Laboratoire MOLTECH-Anjou UMR 6200
- UFR Sciences
- CNRS
- Université d'Angers
- 49045 Angers
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48
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Chen KY, Schauer PA, Patrick BO, Berlinguette CP. Correlating cobalt redox couples to photovoltage in the dye-sensitized solar cell. Dalton Trans 2018; 47:11942-11952. [DOI: 10.1039/c8dt01921e] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two sets of structurally analogous Co(iii/ii)-based redox mediators were incorporated in the dye-sensitized solar cells and a linear correlation was demonstrated between redox potential and photovoltage.
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Affiliation(s)
- Kitty Y. Chen
- Department of Chemistry
- University of British Columbia
- Vancouver
- Canada
| | - Phil A. Schauer
- Department of Chemistry
- University of British Columbia
- Vancouver
- Canada
| | - Brian O. Patrick
- Department of Chemistry
- University of British Columbia
- Vancouver
- Canada
| | - Curtis P. Berlinguette
- Department of Chemistry
- University of British Columbia
- Vancouver
- Canada
- Department of Chemical & Biological Engineering
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49
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Tamura R, Kono T, Mori S, Kimura M. Structural Effect of the Pendant Unit in Thiocyanate‐Free Ru
II
Sensitizers on the Dye‐Sensitized Solar Cell Performance. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rei Tamura
- Department of Chemistry and Materials Faculty of Textile Science and Technology Shinshu University 386‐8567 Ueda Japan
| | - Takahiro Kono
- Department of Chemistry and Materials Faculty of Textile Science and Technology Shinshu University 386‐8567 Ueda Japan
| | - Shogo Mori
- Department of Chemistry and Materials Faculty of Textile Science and Technology Shinshu University 386‐8567 Ueda Japan
| | - Mutsumi Kimura
- Department of Chemistry and Materials Faculty of Textile Science and Technology Shinshu University 386‐8567 Ueda Japan
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50
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Aghazada S, Ren Y, Wang P, Nazeeruddin MK. Effect of Donor Groups on the Performance of Cyclometalated Ruthenium Sensitizers in Dye-Sensitized Solar Cells. Inorg Chem 2017; 56:13437-13445. [DOI: 10.1021/acs.inorgchem.7b02164] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sadig Aghazada
- Group for Molecular
Engineering of Functional Materials, Institute of Chemical Sciences
and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), CH-1950 Sion, Switzerland
| | - Yameng Ren
- Center for Chemistry of Novel & High-Performance Materials, Department of Chemistry, Zhejiang University, 310028 Hangzhou, People’s Republic of China
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, People’s Republic of China
| | - Peng Wang
- Center for Chemistry of Novel & High-Performance Materials, Department of Chemistry, Zhejiang University, 310028 Hangzhou, People’s Republic of China
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular
Engineering of Functional Materials, Institute of Chemical Sciences
and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), CH-1950 Sion, Switzerland
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