1
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Bae S, Kim M, Jo N, Kim KM, Lee C, Kwon TH, Nam YS, Ryu J. Amine-Rich Hydrogels for Molecular Nanoarchitectonics of Photosystem II and Inverse Opal TiO 2 toward Solar Water Oxidation. ACS APPLIED MATERIALS & INTERFACES 2024; 16:16086-16095. [PMID: 38506502 DOI: 10.1021/acsami.3c18289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Solar water oxidation is a crucial process in light-driven reductive synthesis, providing electrons and protons for various chemical reductions. Despite advances in light-harvesting materials and cocatalysts, achieving high efficiency and stability remains challenging. In this study, we present a simple yet effective strategy for immobilizing natural photosystems (PS) made of abundant and inexpensive elements, using amine-rich polyethylenimine (PEI) hydrogels, to fabricate organic/inorganic hybrid photoanodes. Natural PS II extracted from spinach was successfully immobilized on inverse opal TiO2 photoanodes in the presence of PEI hydrogels, leading to greatly enhanced solar water oxidation activity. Photoelectrochemical (PEC) analyses reveal that PS II can be immobilized in specific orientations through electrostatic interactions between the positively charged amine groups of PEI and the negatively charged stromal side of PS II. This specific orientation ensures efficient photogenerated charge separation and suppresses undesired side reactions such as the production of reactive oxygen species. Our study provides an effective immobilization platform and sheds light on the potential utilization of PS II in PEC water oxidation.
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Affiliation(s)
- Sanghyun Bae
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Minjung Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Nyeongbeen Jo
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Kwang Min Kim
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Chaiheon Lee
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Tae-Hyuk Kwon
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Center for Renewable Carbon, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Yoon Sung Nam
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Jungki Ryu
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Center for Renewable Carbon, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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2
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Romito D, Govind C, Nikolaou V, Fernández-Terán RJ, Stoumpidi A, Agapaki E, Charalambidis G, Diring S, Vauthey E, Coutsolelos AG, Odobel F. Dye-Sensitized Photocatalysis: Hydrogen Evolution and Alcohol-to-Aldehyde Oxidation without Sacrifical Electron Donor. Angew Chem Int Ed Engl 2024; 63:e202318868. [PMID: 38227346 DOI: 10.1002/anie.202318868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/17/2024]
Abstract
There is a growing interest in developing dye-sensitized photocatalytic systems (DSPs) to produce molecular hydrogen (H2 ) as alternative energy source. To improve the sustainability of this technology, we replaced the sacrificial electron donor (SED), typically an expensive and polluting chemical, with an alcohol oxidation catalyst. This study demonstrates the first dye-sensitized system using a diketopyrrolopyrrole dye covalently linked to 2,2,6,6-tetramethyl-1-piperidine-N-oxyl (TEMPO) based catalyst for simultaneous H2 evolution and alcohol-to-aldehyde transformation operating in water with visible irradiation.
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Affiliation(s)
- Deborah Romito
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000, Nantes, France
| | - Chinju Govind
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211, Geneva, Switzerland
| | - Vasilis Nikolaou
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000, Nantes, France
| | - Ricardo J Fernández-Terán
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, CH-1211, Geneva, Switzerland
| | - Aspasia Stoumpidi
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete Voutes Campus, 70013 Heraklion, Crete, Greece
| | - Eleni Agapaki
- Laboratory of Bioinorganic Chemistry, Department of Chemistry, University of Crete Voutes Campus, 70013 Heraklion, Crete, Greece
| | - Georgios Charalambidis
- Theoretical and Physical Chemistry Institute , National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 11635, Athens, Greece
| | - Stéphane Diring
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000, Nantes, 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
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology - Hellas (FORTH), Vassilika Vouton, GR 70013 Heraklion, Crete, Greece
| | - Fabrice Odobel
- Nantes Université, CNRS, CEISAM, UMR 6230, F-44000, Nantes, France
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3
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Boro B, Kim N, Kim JS, Paul R, Nailwal Y, Choi Y, Seo DH, Mondal J, Ryu J. Photocatalytic H 2O 2 production from water and air using porous organic polymers. J Colloid Interface Sci 2023; 652:1784-1792. [PMID: 37683406 DOI: 10.1016/j.jcis.2023.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023]
Abstract
Producing hydrogen peroxide (H2O2) from H2O and O2 under visible light irradiation is a promising solar-to-chemical energy conversion technology. Hydrogen peroxide has versatile applications as a green oxidant and liquid energy carrier but has been produced through energy-intensive and complex anthraquinone processes. Herein, we report the rational design of efficient and stable porous organic polymer (POP) containing redox centers, anthraquinone photocatalyst (ANQ-POP) for solar H2O2 production. ANQ-POP is readily synthesized with stable dioxin-linkages via efficient one-pot, transition-metal-free nucleophilic aromatic substitution reactions between 1,2,3,4,5,6,7,8-octafluoro-9,10-anthraquinone (OFANQ) and 2,3,6,7,10,11-hexahydroxytriphenylene (HHTP). Exhibiting a fibrillar morphology, ANQ-POP boasts a high surface area of 380 m2∙g-1 and demonstrates thermal stability. With 10 % ethanol, ANQ-POP yields an H2O2 production rate of 320 μmol g-1 under visible light irradiation. Moreover, ANQ-POP alone can efficiently produce H2O2 without any photosensitizers and cocatalysts. Density functional theory calculations reveal that the quinone groups of the anthraquinone moieties can serve as redox centers for H2O2 production under light irradiation. Furthermore, unlike most conventional photocatalysts, it can produce H2O2 using only water and air by catalyzing both oxygen reduction and evolution reactions under light irradiation. Our findings provide an efficient, eco-friendly pathway for photocatalytic production of H2O2 under mild reaction conditions using a dioxin-derived POP-based photocatalyst.
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Affiliation(s)
- Bishal Boro
- Department of Catalysis & Fine Chemicals, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500 007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nayeong Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jae-Seung Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Ratul Paul
- Department of Catalysis & Fine Chemicals, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500 007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Yogendra Nailwal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, Manauli 140306, India
| | - Yuri Choi
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Dong-Hwa Seo
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - John Mondal
- Department of Catalysis & Fine Chemicals, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500 007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Jungki Ryu
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea; Center for Renewable Carbon, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
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4
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Shen M, Rackers WH, Sadtler B. Getting the Most Out of Fluorogenic Probes: Challenges and Opportunities in Using Single-Molecule Fluorescence to Image Electro- and Photocatalysis. CHEMICAL & BIOMEDICAL IMAGING 2023; 1:692-715. [PMID: 38037609 PMCID: PMC10685636 DOI: 10.1021/cbmi.3c00075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 12/02/2023]
Abstract
Single-molecule fluorescence microscopy enables the direct observation of individual reaction events at the surface of a catalyst. It has become a powerful tool to image in real time both intra- and interparticle heterogeneity among different nanoscale catalyst particles. Single-molecule fluorescence microscopy of heterogeneous catalysts relies on the detection of chemically activated fluorogenic probes that are converted from a nonfluorescent state into a highly fluorescent state through a reaction mediated at the catalyst surface. This review article describes challenges and opportunities in using such fluorogenic probes as proxies to develop structure-activity relationships in nanoscale electrocatalysts and photocatalysts. We compare single-molecule fluorescence microscopy to other microscopies for imaging catalysis in situ to highlight the distinct advantages and limitations of this technique. We describe correlative imaging between super-resolution activity maps obtained from multiple fluorogenic probes to understand the chemical origins behind spatial variations in activity that are frequently observed for nanoscale catalysts. Fluorogenic probes, originally developed for biological imaging, are introduced that can detect products such as carbon monoxide, nitrite, and ammonia, which are generated by electro- and photocatalysts for fuel production and environmental remediation. We conclude by describing how single-molecule imaging can provide mechanistic insights for a broader scope of catalytic systems, such as single-atom catalysts.
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Affiliation(s)
- Meikun Shen
- Department
of Chemistry and Biochemistry, University
of Oregon, Eugene, Oregon 97403, United States
| | - William H. Rackers
- Department
of Chemistry, Washington University, St. Louis, Missouri 63130, United States
| | - Bryce Sadtler
- Department
of Chemistry, Washington University, St. Louis, Missouri 63130, United States
- Institute
of Materials Science & Engineering, Washington University, St. Louis, Missouri 63130, United States
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5
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Heterogenization of Molecular Water Oxidation Catalysts in Electrodes for (Photo)Electrochemical Water Oxidation. WATER 2022. [DOI: 10.3390/w14030371] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Water oxidation is still one of the most important challenges to develop efficient artificial photosynthetic devices. In recent decades, the development and study of molecular complexes for water oxidation have allowed insight into the principles governing catalytic activity and the mechanism as well as establish ligand design guidelines to improve performance. However, their durability and long-term stability compromise the performance of molecular-based artificial photosynthetic devices. In this context, heterogenization of molecular water oxidation catalysts on electrode surfaces has emerged as a promising approach for efficient long-lasting water oxidation for artificial photosynthetic devices. This review covers the state of the art of strategies for the heterogenization of molecular water oxidation catalysts onto electrodes for (photo)electrochemical water oxidation. An overview and description of the main binding strategies are provided explaining the advantages of each strategy and their scope. Moreover, selected examples are discussed together with the the differences in activity and stability between the homogeneous and the heterogenized system when reported. Finally, the common design principles for efficient (photo)electrocatalytic performance summarized.
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6
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Kim H, Kim N, Ryu J. Porous framework-based hybrid materials for solar-to-chemical energy conversion: from powder photocatalysts to photoelectrodes. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00543j] [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
Porous framework materials such as metal organic frameworks (MOFs) and covalent organic frameworks (COFs) can be considered promising materials for solar-to-chemical energy conversion.
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Affiliation(s)
- Hyunwoo Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Nayeong Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jungki Ryu
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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7
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Li J, Triana CA, Wan W, Adiyeri Saseendran DP, Zhao Y, Balaghi SE, Heidari S, Patzke GR. Molecular and heterogeneous water oxidation catalysts: recent progress and joint perspectives. Chem Soc Rev 2021; 50:2444-2485. [DOI: 10.1039/d0cs00978d] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The recent synthetic and mechanistic progress in molecular and heterogeneous water oxidation catalysts highlights the new, overarching strategies for knowledge transfer and unifying design concepts.
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Affiliation(s)
- J. Li
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - C. A. Triana
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - W. Wan
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | | | - Y. Zhao
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - S. E. Balaghi
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - S. Heidari
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
| | - G. R. Patzke
- Department of Chemistry
- University of Zurich
- CH-8057 Zurich
- Switzerland
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8
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Domestici C, Tensi L, Boccalon E, Zaccaria F, Costantino F, Zuccaccia C, Macchioni A. Molecular and Heterogenized Cp*Ir Water Oxidation Catalysts Bearing Glyphosate and Glyphosine as Ancillary and Anchoring Ligands. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202001003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chiara Domestici
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
| | - Leonardo Tensi
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
| | - Elisa Boccalon
- Department of Industrial Engineering University of Salerno Via Giovanni Paolo II, 132 84084 Fisciano SA Italy
| | - Francesco Zaccaria
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
| | - Ferdinando Costantino
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
| | - Cristiano Zuccaccia
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
| | - Alceo Macchioni
- Department of Chemistry Biology and Biotechnology University of Perugia and CIRCC Via Elce di Sotto, 8 06123 Perugia Italy
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9
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Domestici C, Tensi L, Zaccaria F, Kissimina N, Valentini M, D'Amato R, Costantino F, Zuccaccia C, Macchioni A. Molecular and heterogenized dinuclear Ir-Cp* water oxidation catalysts bearing EDTA or EDTMP as bridging and anchoring ligands. Sci Bull (Beijing) 2020; 65:1614-1625. [PMID: 36659037 DOI: 10.1016/j.scib.2020.06.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/16/2020] [Accepted: 06/01/2020] [Indexed: 01/21/2023]
Abstract
The development of efficient water oxidation catalysts (WOCs) is of key importance in order to drive sustainable reductive processes aimed at producing renewable fuels. Herein, two novel dinuclear complexes, [(Cp*Ir)2(μ-κ3-O,N,O-H4-EDTMP)] (Ir-H4-EDTMP, H4-EDTMP4- = ethylenediamine tetra(methylene phosphonate)) and [(Cp*Ir)2(μ-κ3-O,N,O-EDTA)] (Ir-EDTA, EDTA4- = ethylenediaminetetraacetate), were synthesized and completely characterized in solution, by multinuclear and multidimensional NMR spectroscopy, and in the solid state, by single crystal X-Ray diffraction. They were supported onto rutile TiO2 nanocrystals obtaining Ir-H4-EDTMP@TiO2 and Ir-EDTA@TiO2 hybrid materials. Both molecular complexes and hybrid materials were found to be efficient catalysts for WO driven by NaIO4, providing almost quantitative yields, and TON values only limited by the amount of NaIO4 used. As for the molecular catalysts, Ir-H4-EDTMP (TOF up to 184 min-1) exhibited much higher activity than Ir-EDTA (TOF up to 19 min-1), likely owing to the higher propensity of the former to generate a coordination vacancy through the dissociation of a Ir-OP bond (2.123 Å, significantly longer than Ir-OC, 2.0913 Å), which is a necessary step to activate these saturated complexes. Ir-H4-EDTMP@TiO2 (up to 33 min-1) and Ir-EDTA@TiO2 (up to 41 min-1) hybrid materials showed similar activity that was only marginally reduced in the second and third catalytic runs carried out after having separated the supernatant, which did not show any sign of activity, instead. The observed TOF values for hybrid materials are higher than those reported for analogous systems deriving from heterogenized mononuclear complexes. This suggests that supporting dinuclear molecular precursors could be a successful strategy to obtain efficient heterogenized water oxidation catalysts.
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Affiliation(s)
- Chiara Domestici
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy
| | - Leonardo Tensi
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy
| | - Francesco Zaccaria
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy.
| | - Nade Kissimina
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy; École Supérieure d'Ingénieurs de Rennes, University of Rennes 1, Rennes 35042, France
| | | | - Roberto D'Amato
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy
| | - Ferdinando Costantino
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy.
| | - Cristiano Zuccaccia
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy.
| | - Alceo Macchioni
- Department of Chemistry, Biology and Biotechnology, University of Perugia and CIRCC, Perugia 06123, Italy.
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10
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Machín A, Arango JC, Fontánez K, Cotto M, Duconge J, Soto-Vázquez L, Resto E, Petrescu FIT, Morant C, Márquez F. Biomimetic Catalysts Based on Au@ZnO-Graphene Composites for the Generation of Hydrogen by Water Splitting. Biomimetics (Basel) 2020; 5:E39. [PMID: 32839383 PMCID: PMC7558139 DOI: 10.3390/biomimetics5030039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/19/2020] [Accepted: 08/19/2020] [Indexed: 02/06/2023] Open
Abstract
For some decades, the scientific community has been looking for alternatives to the use of fossil fuels that allow for the planet's sustainable and environmentally-friendly development. To do this, attempts have been made to mimic some processes that occur in nature, among which the photosystem-II stands out, which allows water splitting operating with different steps to generate oxygen and hydrogen. This research presents promising results using synthetic catalysts, which try to simulate some natural processes, and which are based on Au@ZnO-graphene compounds. These catalysts were prepared by incorporating different amounts of gold nanoparticles (1 wt.%, 3 wt.%, 5 wt.%, 10 wt.%) and graphene (1 wt.%) on the surface of synthesized zinc oxide nanowires (ZnO NWs), and zinc oxide nanoparticles (ZnO NPs), along with a commercial form (commercial ZnO) for comparison purposes. The highest amount of hydrogen (1127 μmol/hg) was reported by ZnO NWs with a gold and graphene loadings of 10 wt.% and 1 wt.%, respectively, under irradiation at 400 nm. Quantities of 759 μmol/hg and 709 μmol/hg were obtained with catalysts based on ZnO NPs and commercial ZnO, respectively. The photocatalytic activity of all composites increased with respect to the bare semiconductors, being 2.5 times higher in ZnO NWs, 8.8 times higher for ZnO NPs, and 7.5 times higher for commercial ZnO. The high photocatalytic activity of the catalysts is attributed, mainly, to the synergism between the different amount of gold and graphene incorporated, and the surface area of the composites.
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Affiliation(s)
- Abniel Machín
- Arecibo Observatory, Universidad Ana G. Méndez-Cupey Campus, San Juan, PR 00926, USA
| | - Juan C. Arango
- Nanomaterials Research Group, School of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA; (J.C.A.); (K.F.); (M.C.); (J.D.); (F.M.)
| | - Kenneth Fontánez
- Nanomaterials Research Group, School of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA; (J.C.A.); (K.F.); (M.C.); (J.D.); (F.M.)
| | - María Cotto
- Nanomaterials Research Group, School of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA; (J.C.A.); (K.F.); (M.C.); (J.D.); (F.M.)
| | - José Duconge
- Nanomaterials Research Group, School of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA; (J.C.A.); (K.F.); (M.C.); (J.D.); (F.M.)
| | - Loraine Soto-Vázquez
- Materials Characterization Center Inc., Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926, USA; (L.S.-V.); (E.R.)
| | - Edgar Resto
- Materials Characterization Center Inc., Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926, USA; (L.S.-V.); (E.R.)
| | | | - Carmen Morant
- Department of Applied Physics, Autonomous University of Madrid, 28041 Madrid, Spain;
| | - Francisco Márquez
- Nanomaterials Research Group, School of Natural Sciences and Technology, Universidad Ana G. Méndez-Gurabo Campus, Gurabo, PR 00778, USA; (J.C.A.); (K.F.); (M.C.); (J.D.); (F.M.)
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11
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Jeon D, Park J, Shin C, Kim H, Jang JW, Lee DW, Ryu J. Superaerophobic hydrogels for enhanced electrochemical and photoelectrochemical hydrogen production. SCIENCE ADVANCES 2020; 6:eaaz3944. [PMID: 32300656 PMCID: PMC7148083 DOI: 10.1126/sciadv.aaz3944] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 01/13/2020] [Indexed: 05/24/2023]
Abstract
The efficient removal of gas bubbles in (photo)electrochemical gas evolution reactions is an important but underexplored issue. Conventionally, researchers have attempted to impart bubble-repellent properties (so-called superaerophobicity) to electrodes by controlling their microstructures. However, conventional approaches have limitations, as they are material specific, difficult to scale up, possibly detrimental to the electrodes' catalytic activity and stability, and incompatible with photoelectrochemical applications. To address these issues, we report a simple strategy for the realization of superaerophobic (photo)electrodes via the deposition of hydrogels on a desired electrode surface. For a proof-of-concept demonstration, we deposited a transparent hydrogel assembled from M13 virus onto (photo)electrodes for a hydrogen evolution reaction. The hydrogel overlayer facilitated the elimination of hydrogen bubbles and substantially improved the (photo)electrodes' performances by maintaining high catalytic activity and minimizing the concentration overpotential. This study can contribute to the practical application of various types of (photo)electrochemical gas evolution reactions.
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Affiliation(s)
- Dasom Jeon
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Jinwoo Park
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Changhwan Shin
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Hyunwoo Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Ji-Wook Jang
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Dong Woog Lee
- Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Jungki Ryu
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
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12
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Oh H, Choi Y, Shin C, Nguyen TVT, Han Y, Kim H, Kim YH, Lee JW, Jang JW, Ryu J. Phosphomolybdic Acid as a Catalyst for Oxidative Valorization of Biomass and Its Application as an Alternative Electron Source. ACS Catal 2020. [DOI: 10.1021/acscatal.9b04099] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | | | | | | | - Jae-Won Lee
- Department of Wood Science and Engineering, College of Agriculture & Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Ji-Wook Jang
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jungki Ryu
- Emergent Hydrogen Technology R&D Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
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13
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Mahanta A, Barman K, Jasimuddin S. Electrocatalytic Water Oxidation with Surface Anchored Mononuclear Manganese (II) ‐ Polypyridine Complexes. ChemistrySelect 2019. [DOI: 10.1002/slct.201902953] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Abhinandan Mahanta
- Department of ChemistrySchool of Physical SciencesAssam University, Silchar Assam- 788011 India
| | | | - Sk Jasimuddin
- Department of ChemistrySchool of Physical SciencesAssam University, Silchar Assam- 788011 India
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14
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Bae S, Kim H, Jeon D, Ryu J. Catalytic Multilayers for Efficient Solar Water Oxidation through Catalyst Loading and Surface-State Passivation of BiVO 4 Photoanodes. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7990-7999. [PMID: 30757899 DOI: 10.1021/acsami.8b20785] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We studied the kinetics of photoelectrochemical (PEC) water oxidation using a model photoanode BiVO4 modified with various water oxidation catalysts (WOCs) by electrochemical impedance spectroscopy. In particular, we prepared BiVO4 photoanodes with catalytic multilayers (CMs), where cationic polyelectrolytes and anionic polyoxometalate (POM) WOCs were assembled in a desired amount at a nanoscale precision, and compared their performance with those with well-known WOCs such as cobalt phosphate (CoPi) and NiOOH. Our comparative kinetics analysis suggested that the deposition of the CMs improved the kinetics of both the photogenerated charge carrier separation/transport in bulk BiVO4 due to passivation of surface recombination centers and water oxidation at the electrode/electrolyte interface due to deposition of efficient molecular WOCs. On the contrary, the conventional WOCs were mostly effective in the former and less effective in the latter, which is consistent with previous reports. These findings explain why the CMs exhibit an outstanding performance. We also found that separated charge carriers can be efficiently transported to POM WOCs via a hopping mechanism due to the delicate architecture of the CMs, which is reminiscent of natural photosynthetic systems. We believe that this study can not only broaden our understanding on the underlying mechanism of PEC water oxidation but also provide insights for the design and fabrication of novel electrochemical and PEC devices, including efficient water oxidation photoanodes.
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Affiliation(s)
- Sanghyun Bae
- Department of Energy Engineering, School of Energy and Chemical Engineering , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea
| | - Hyunwoo Kim
- Department of Energy Engineering, School of Energy and Chemical Engineering , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea
| | - Dasom Jeon
- Department of Energy Engineering, School of Energy and Chemical Engineering , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea
| | - Jungki Ryu
- Department of Energy Engineering, School of Energy and Chemical Engineering , Ulsan National Institute of Science and Technology (UNIST) , Ulsan 44919 , Republic of Korea
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