1
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Nguyen TN, Khiarak BN, Xu Z, Farzi A, Sadaf SM, Seifitokaldani A, Dinh CT. Multi-metallic Layered Catalysts for Stable Electrochemical CO 2 Reduction to Formate and Formic Acid. ChemSusChem 2024:e202301894. [PMID: 38490951 DOI: 10.1002/cssc.202301894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 03/08/2024] [Accepted: 03/14/2024] [Indexed: 03/17/2024]
Abstract
Electrochemical CO2 reduction (ECR) to value-added products such as formate/formic acid is a promising approach for CO2 mitigation. Practical ECR requires long-term stability at industrially relevant reduction rates, which is challenging due to the rapid degradation of most catalysts at high current densities. Herein, we report the development of a bismuth (Bi) gas diffusion electrode on a polytetrafluoroethylene-based electrically conductive silver (Ag) substrate (Ag@Bi), which exhibits high Faradaic efficiency (FE) for formate of over 90 % in 1 M KOH and 1 M KHCO3 electrolytes. The catalyst also shows high selectivity of formic acid above 85 % in 1 M NaCl catholyte, which has a bulk pH of 2-3 during ECR, at current densities up to 300 mA cm-2. In 1 M KHCO3 condition, Ag@Bi maintains formate FE above 90 % for at least 500 hours at the current density of 100 mA cm-2. We found that the Ag@Bi catalyst degrades over time due to the leaching of Bi in the NaCl catholyte. To overcome this challenge, we deposited a layer of Ag nanoparticles on the surface of Ag@Bi to form a multi-layer Ag@Bi/Ag catalyst. This designed catalyst exhibits 300 hours of stability with FE for formic acid ≥70 % at 100 mA cm-2. Our work establishes a new strategy for achieving the operational longevity of ECR under wide pH conditions, which is critical for practical applications.
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Affiliation(s)
- Tu N Nguyen
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada
- Helen Scientific Research and Technological Development Co., Ltd, Ho Chi Minh, City, 700000, Vietnam
| | | | - Zijun Xu
- Department of Chemical Engineering, McGill University, Montreal, Quebec, H3A 0C5, Canada
| | - Amirhossein Farzi
- Department of Chemical Engineering, McGill University, Montreal, Quebec, H3A 0C5, Canada
| | - Sharif Md Sadaf
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS)-Université du Québec, 1650 Boulevard Lionel-Boulet, Varennes, Quebec, J3X 1S2, Canada
| | - Ali Seifitokaldani
- Department of Chemical Engineering, McGill University, Montreal, Quebec, H3A 0C5, Canada
| | - Cao-Thang Dinh
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada
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2
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Obasanjo CA, Gao G, Crane J, Golovanova V, García de Arquer FP, Dinh CT. High-rate and selective conversion of CO 2 from aqueous solutions to hydrocarbons. Nat Commun 2023; 14:3176. [PMID: 37264000 DOI: 10.1038/s41467-023-38963-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 05/24/2023] [Indexed: 06/03/2023] Open
Abstract
Electrochemical carbon dioxide (CO2) conversion to hydrocarbon fuels, such as methane (CH4), offers a promising solution for the long-term and large-scale storage of renewable electricity. To enable this technology, CO2-to-CH4 conversion must achieve high selectivity and energy efficiency at high currents. Here, we report an electrochemical conversion system that features proton-bicarbonate-CO2 mass transport management coupled with an in-situ copper (Cu) activation strategy to achieve high CH4 selectivity at high currents. We find that open matrix Cu electrodes sustain sufficient local CO2 concentration by combining both dissolved CO2 and in-situ generated CO2 from the bicarbonate. In-situ Cu activation through alternating current operation renders and maintains the catalyst highly selective towards CH4. The combination of these strategies leads to CH4 Faradaic efficiencies of over 70% in a wide current density range (100 - 750 mA cm-2) that is stable for at least 12 h at a current density of 500 mA cm-2. The system also delivers a CH4 concentration of 23.5% in the gas product stream.
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Affiliation(s)
- Cornelius A Obasanjo
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Guorui Gao
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Jackson Crane
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Viktoria Golovanova
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Barcelona, 08860, Spain
| | - F Pelayo García de Arquer
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Barcelona, 08860, Spain
| | - Cao-Thang Dinh
- Department of Chemical Engineering, Queen's University, Kingston, ON, K7L 3N6, Canada.
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3
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Luo M, Ozden A, Wang Z, Li F, Erick Huang J, Hung SF, Wang Y, Li J, Nam DH, Li YC, Xu Y, Lu R, Zhang S, Lum Y, Ren Y, Fan L, Wang F, Li HH, Appadoo D, Dinh CT, Liu Y, Chen B, Wicks J, Chen H, Sinton D, Sargent EH. Coordination Polymer Electrocatalysts Enable Efficient CO-to-Acetate Conversion. Adv Mater 2023; 35:e2209567. [PMID: 36584285 DOI: 10.1002/adma.202209567] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Upgrading carbon dioxide/monoxide to multi-carbon C2+ products using renewable electricity offers one route to more sustainable fuel and chemical production. One of the most appealing products is acetate, the profitable electrosynthesis of which demands a catalyst with higher efficiency. Here, a coordination polymer (CP) catalyst is reported that consists of Cu(I) and benzimidazole units linked via Cu(I)-imidazole coordination bonds, which enables selective reduction of CO to acetate with a 61% Faradaic efficiency at -0.59 volts versus the reversible hydrogen electrode at a current density of 400 mA cm-2 in flow cells. The catalyst is integrated in a cation exchange membrane-based membrane electrode assembly that enables stable acetate electrosynthesis for 190 h, while achieving direct collection of concentrated acetate (3.3 molar) from the cathodic liquid stream, an average single-pass utilization of 50% toward CO-to-acetate conversion, and an average acetate full-cell energy efficiency of 15% at a current density of 250 mA cm-2 .
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Affiliation(s)
- Mingchuan Luo
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Adnan Ozden
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's, College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Ziyun Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
- School of Chemical Sciences, The University of Auckland, Auckland, 1010, New Zealand
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
- School of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Jianan Erick Huang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Sung-Fu Hung
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300, Taiwan
| | - Yuhang Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's, College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Yuguang C Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Yi Xu
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's, College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Ruihu Lu
- School of Chemical Sciences, The University of Auckland, Auckland, 1010, New Zealand
| | - Shuzhen Zhang
- School of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Yanwei Lum
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore, 138634, Singapore
| | - Yang Ren
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois, 60439, USA
| | - Longlong Fan
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois, 60439, USA
| | - Fei Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, P. R. China
| | - Hui-Hui Li
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | | | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Yuan Liu
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Bin Chen
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Joshua Wicks
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Haijie Chen
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's, College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St, George Street, Toronto, Ontario, M5S 1A4, Canada
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4
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Nguyen TN, Chen Z, Zeraati AS, Shiran HS, Sadaf SM, Kibria MG, Sargent EH, Dinh CT. Catalyst Regeneration via Chemical Oxidation Enables Long-Term Electrochemical Carbon Dioxide Reduction. J Am Chem Soc 2022; 144:13254-13265. [PMID: 35796714 DOI: 10.1021/jacs.2c04081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Electrochemical CO2 reduction (ECR) with industrially relevant current densities, high product selectivity, and long-term stability has been a long-sought goal. Unfortunately, copper (Cu) catalysts for producing valuable multicarbon (C2+) products undergo structural and morphological changes under ECR conditions, especially at high current densities, resulting in a rapid decrease in product selectivity. Herein, we report a catalyst regeneration strategy, one that employs an electrolysis method comprising alternating "on" and "off" operating regimes, to increase the operating stability of a Cu catalyst. We find that it increases operating lifetime many times, maintaining ethylene selectivity ≥40% for at least 200 h of electrolysis in neutral pH media at a current density of 150 mA cm-2 using a flow cell. We also demonstrate ECR to ethylene at a current density of 1 A cm-2 with ethylene selectivity ≥40% using a three-dimensional Cu gas diffusion electrode, finding that this system under these conditions is rendered stable for greater than 36 h. This work illustrates that Cu-based catalysts, once they have entered into the state conventionally considered to possess degraded catalytic activity, may be recovered to deliver high C2+ selectivity. We present evidence that the combination of short periods of electrolysis, which minimizes the morphological changes during "on" segments, with the progressive chemical oxidation of Cu atoms on the catalyst surface during "off" segments, united with the added effects of washing the accumulated salt and decreasing the catholyte temperature prolong together the catalyst's operating lifetime.
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Affiliation(s)
- Tu N Nguyen
- Department of Chemical Engineering, Queen's University, Kingston K7L 3N6, ON, Canada.,Helen Scientific Research and Technological Development Co., Ltd, Ho Chi Minh City 700000, Vietnam
| | - Zhu Chen
- Department of Electrical and Computer Engineering, University of Toronto, Toronto M5S 1A4, Ontario, Canada
| | - Ali Shayesteh Zeraati
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW Calgary, Alberta, Canada T2N 1N4
| | - Hadi Shaker Shiran
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW Calgary, Alberta, Canada T2N 1N4
| | - Sharif Md Sadaf
- Centre Energie, Matériaux et Télécommunications, Institut National de La Recherche Scientifique (INRS)-Université Du Québec, 1650 Boulevard Lionel-Boulet, Varennes, Quebec J3X 1S2, Canada
| | - Md Golam Kibria
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW Calgary, Alberta, Canada T2N 1N4
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, Toronto M5S 1A4, Ontario, Canada
| | - Cao-Thang Dinh
- Department of Chemical Engineering, Queen's University, Kingston K7L 3N6, ON, Canada
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5
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Kulkarni VK, Khiarak BN, Takano S, Malola S, Albright EL, Levchenko TI, Aloisio MD, Dinh CT, Tsukuda T, Häkkinen H, Crudden CM. N-Heterocyclic Carbene-Stabilized Hydrido Au 24 Nanoclusters: Synthesis, Structure, and Electrocatalytic Reduction of CO 2. J Am Chem Soc 2022; 144:9000-9006. [PMID: 35549258 DOI: 10.1021/jacs.2c00789] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Atomically precise hydrido gold nanoclusters are extremely rare but interesting due to their potential applications in catalysis. By optimization of molecular precursors, we have prepared an unprecedented N-heterocyclic carbene-stabilized hydrido gold nanocluster, [Au24(NHC)14Cl2H3]3+. This cluster comprises a dimer of two Au12 kernels, each adopting an icosahedral shape with one missing vertex. The two kernels are joined through triangular faces, which are capped with a total of three hydrides. The hydrides are detected by electrospray ionization mass spectrometry and nuclear magnetic resonance spectroscopy, with density functional theory calculations supporting their position bridging the six uncoordinated gold sites. The reactivity of this Au24H3 cluster in the electrocatalytic reduction of CO2 is demonstrated and benchmarked against related catalysts.
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Affiliation(s)
- Viveka K Kulkarni
- Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario K7L 3N6, Canada
| | | | - Shinjiro Takano
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Sami Malola
- Departments of Chemistry and Physics, Nanoscience Center, University of Jyväskylä, Jyväskylä 40014, Finland
| | - Emily L Albright
- Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario K7L 3N6, Canada
| | - Tetyana I Levchenko
- Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario K7L 3N6, Canada
| | - Mark D Aloisio
- Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario K7L 3N6, Canada
| | - Cao-Thang Dinh
- Department of Chemical Engineering, Queen's University, Dupuis Hall, Kingston, Ontario K7L 3N6, Canada
| | - Tatsuya Tsukuda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hannu Häkkinen
- Departments of Chemistry and Physics, Nanoscience Center, University of Jyväskylä, Jyväskylä 40014, Finland
| | - Cathleen M Crudden
- Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario K7L 3N6, Canada.,Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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6
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Huang JE, Li F, Ozden A, Sedighian Rasouli A, García de Arquer FP, Liu S, Zhang S, Luo M, Wang X, Lum Y, Xu Y, Bertens K, Miao RK, Dinh CT, Sinton D, Sargent EH. CO 2 electrolysis to multicarbon products in strong acid. Science 2021; 372:1074-1078. [PMID: 34083485 DOI: 10.1126/science.abg6582] [Citation(s) in RCA: 241] [Impact Index Per Article: 80.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/28/2021] [Indexed: 12/16/2022]
Abstract
Carbon dioxide electroreduction (CO2R) is being actively studied as a promising route to convert carbon emissions to valuable chemicals and fuels. However, the fraction of input CO2 that is productively reduced has typically been very low, <2% for multicarbon products; the balance reacts with hydroxide to form carbonate in both alkaline and neutral reactors. Acidic electrolytes would overcome this limitation, but hydrogen evolution has hitherto dominated under those conditions. We report that concentrating potassium cations in the vicinity of electrochemically active sites accelerates CO2 activation to enable efficient CO2R in acid. We achieve CO2R on copper at pH <1 with a single-pass CO2 utilization of 77%, including a conversion efficiency of 50% toward multicarbon products (ethylene, ethanol, and 1-propanol) at a current density of 1.2 amperes per square centimeter and a full-cell voltage of 4.2 volts.
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Affiliation(s)
- Jianan Erick Huang
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada. .,School of Chemical and Biomolecular Engineering and University of Sydney Nano Institute, University of Sydney, Sydney, NSW 2006, Australia
| | - Adnan Ozden
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Armin Sedighian Rasouli
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Shijie Liu
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Shuzhen Zhang
- School of Chemical and Biomolecular Engineering and University of Sydney Nano Institute, University of Sydney, Sydney, NSW 2006, Australia
| | - Mingchuan Luo
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Xue Wang
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Yanwei Lum
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Yi Xu
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Koen Bertens
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - Rui Kai Miao
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada.
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A4, Canada.
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7
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Li J, Che F, Pang Y, Zou C, Howe JY, Burdyny T, Edwards JP, Wang Y, Li F, Wang Z, De Luna P, Dinh CT, Zhuang TT, Saidaminov MI, Cheng S, Wu T, Finfrock YZ, Ma L, Hsieh SH, Liu YS, Botton GA, Pong WF, Du X, Guo J, Sham TK, Sargent EH, Sinton D. Publisher Correction: Copper adparticle enabled selective electrosynthesis of n-propanol. Nat Commun 2020; 11:1034. [PMID: 32080197 PMCID: PMC7033088 DOI: 10.1038/s41467-020-14883-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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8
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Abstract
Anthropogenic carbon dioxide (CO2) emissions contribute to the greenhouse effect and global warming, which can lead to undesirable climate change and extinction of species. Besides the ongoing efforts to develop environmentally benign sources of energy and to advance technologies for the capture and sequestration of CO2, the transformation of emitted CO2 into valuable products is a pragmatic solution to curb its accumulation in the atmosphere. In this regard, electrochemical CO2 reduction (ECR) powered by renewable electricity provides an attractive approach because it not only converts CO2 to valuable fuels and chemicals but also offers a solution for the long-term storage of intermittent renewable energies. In ECR, the gas diffusion electrode (GDE) is the most critical component and has been the subject of intensive research in the last few years. This tutorial review provides an insightful guide to developing GDEs with high activity, selectivity, and stability, the three important performance metrics in ECR. First, we introduce critical fundamentals of ECR, including the chemical and physical phenomena at the electrodes as well as the electrochemical cell configurations. Next, we discuss recent advances in GDE design, focusing on their structure-performance correlation and fabrication techniques for each component of GDEs. Finally, we discuss the remaining challenges and propose promising research directions for the design of efficient GDEs. This review aims at promoting the development of industrially relevant ECR systems to bring this technology to practical applications.
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Affiliation(s)
- Tu N Nguyen
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada.
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9
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Zheng XL, Dinh CT, de Arquer FPG, Zhang B, Liu M, Voznyy O, Li YY, Knight G, Hoogland S, Lu ZH, Du XW, Sargent EH. ZnFe 2O 4 Leaves Grown on TiO 2 Trees Enhance Photoelectrochemical Water Splitting. Small 2020; 16:e2004354. [PMID: 33439545 DOI: 10.1002/smll.202004354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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Zhong M, Tran K, Min Y, Wang C, Wang Z, Dinh CT, De Luna P, Yu Z, Rasouli AS, Brodersen P, Sun S, Voznyy O, Tan CS, Askerka M, Che F, Liu M, Seifitokaldani A, Pang Y, Lo SC, Ip A, Ulissi Z, Sargent EH. Accelerated discovery of CO2 electrocatalysts using active machine learning. Nature 2020; 581:178-183. [DOI: 10.1038/s41586-020-2242-8] [Citation(s) in RCA: 407] [Impact Index Per Article: 101.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 03/13/2020] [Indexed: 12/24/2022]
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12
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García de Arquer FP, Dinh CT, Ozden A, Wicks J, McCallum C, Kirmani AR, Nam DH, Gabardo C, Seifitokaldani A, Wang X, Li YC, Li F, Edwards J, Richter LJ, Thorpe SJ, Sinton D, Sargent EH. CO 2 electrolysis to multicarbon products at activities greater than 1 A cm -2. Science 2020; 367:661-666. [PMID: 32029623 DOI: 10.1126/science.aay4217] [Citation(s) in RCA: 395] [Impact Index Per Article: 98.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/22/2019] [Accepted: 12/23/2019] [Indexed: 12/24/2022]
Abstract
Electrolysis offers an attractive route to upgrade greenhouse gases such as carbon dioxide (CO2) to valuable fuels and feedstocks; however, productivity is often limited by gas diffusion through a liquid electrolyte to the surface of the catalyst. Here, we present a catalyst:ionomer bulk heterojunction (CIBH) architecture that decouples gas, ion, and electron transport. The CIBH comprises a metal and a superfine ionomer layer with hydrophobic and hydrophilic functionalities that extend gas and ion transport from tens of nanometers to the micrometer scale. By applying this design strategy, we achieved CO2 electroreduction on copper in 7 M potassium hydroxide electrolyte (pH ≈ 15) with an ethylene partial current density of 1.3 amperes per square centimeter at 45% cathodic energy efficiency.
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Affiliation(s)
- F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Adnan Ozden
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd., Toronto, Ontario M5S 3G8, Canada
| | - Joshua Wicks
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada.,Department of Materials Science & Engineering (MSE), University of Toronto, 184 College St., Toronto, Ontario M5S 3E4, Canada
| | - Christopher McCallum
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd., Toronto, Ontario M5S 3G8, Canada
| | - Ahmad R Kirmani
- Materials Science and Engineering Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899, USA
| | - Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Christine Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd., Toronto, Ontario M5S 3G8, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Xue Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Yuguang C Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada
| | - Jonathan Edwards
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd., Toronto, Ontario M5S 3G8, Canada
| | - Lee J Richter
- Materials Science and Engineering Division, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899, USA
| | - Steven J Thorpe
- Department of Materials Science & Engineering (MSE), University of Toronto, 184 College St., Toronto, Ontario M5S 3E4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd., Toronto, Ontario M5S 3G8, Canada.
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George St., Toronto, Ontario M5S 1A4, Canada.
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13
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Wang Y, Xu A, Wang Z, Huang L, Li J, Li F, Wicks J, Luo M, Nam DH, Tan CS, Ding Y, Wu J, Lum Y, Dinh CT, Sinton D, Zheng G, Sargent EH. Enhanced Nitrate-to-Ammonia Activity on Copper–Nickel Alloys via Tuning of Intermediate Adsorption. J Am Chem Soc 2020; 142:5702-5708. [DOI: 10.1021/jacs.9b13347] [Citation(s) in RCA: 264] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yuhang Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Aoni Xu
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Ziyun Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Linsong Huang
- Laboratory of Advanced Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Joshua Wicks
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Mingchuan Luo
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Chih-Shan Tan
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Yu Ding
- Laboratory of Advanced Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Jiawen Wu
- Laboratory of Advanced Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Yanwei Lum
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Gengfeng Zheng
- Laboratory of Advanced Materials, Department of Chemistry, Fudan University, Shanghai 200438, China
| | - Edward H. Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
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14
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Lum Y, Huang JE, Wang Z, Luo M, Nam DH, Leow WR, Chen B, Wicks J, Li YC, Wang Y, Dinh CT, Li J, Zhuang TT, Li F, Sham TK, Sinton D, Sargent EH. Tuning OH binding energy enables selective electrochemical oxidation of ethylene to ethylene glycol. Nat Catal 2020. [DOI: 10.1038/s41929-019-0386-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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15
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Wang X, Wang Z, Zhuang TT, Dinh CT, Li J, Nam DH, Li F, Huang CW, Tan CS, Chen Z, Chi M, Gabardo CM, Seifitokaldani A, Todorović P, Proppe A, Pang Y, Kirmani AR, Wang Y, Ip AH, Richter LJ, Scheffel B, Xu A, Lo SC, Kelley SO, Sinton D, Sargent EH. Efficient upgrading of CO to C 3 fuel using asymmetric C-C coupling active sites. Nat Commun 2019; 10:5186. [PMID: 31780655 PMCID: PMC6882816 DOI: 10.1038/s41467-019-13190-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 10/22/2019] [Indexed: 11/25/2022] Open
Abstract
The electroreduction of C1 feedgas to high-energy-density fuels provides an attractive avenue to the storage of renewable electricity. Much progress has been made to improve selectivity to C1 and C2 products, however, the selectivity to desirable high-energy-density C3 products remains relatively low. We reason that C3 electrosynthesis relies on a higher-order reaction pathway that requires the formation of multiple carbon-carbon (C-C) bonds, and thus pursue a strategy explicitly designed to couple C2 with C1 intermediates. We develop an approach wherein neighboring copper atoms having distinct electronic structures interact with two adsorbates to catalyze an asymmetric reaction. We achieve a record n-propanol Faradaic efficiency (FE) of (33 ± 1)% with a conversion rate of (4.5 ± 0.1) mA cm−2, and a record n-propanol cathodic energy conversion efficiency (EEcathodic half-cell) of 21%. The FE and EEcathodic half-cell represent a 1.3× improvement relative to previously-published CO-to-n-propanol electroreduction reports. Catalysts for CO electroreduction have focused on Cu, and their main products have been C2 chemicals. Here authors use the concept of asymmetric active sites to develop a class of doped Cu catalysts for C-C coupling, delivering record selectivity to n-propanol.
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Affiliation(s)
- Xue Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Ziyun Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Tao-Tao Zhuang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada.,Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Chun-Wei Huang
- Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu, 31040, Taiwan
| | - Chih-Shan Tan
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Zitao Chen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37830, USA
| | - Miaofang Chi
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN, 37830, USA
| | - Christine M Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Petar Todorović
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Andrew Proppe
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada.,Department of Chemistry, University of Toronto, 80 St George Street, Toronto, ON, M5S 3H6, Canada
| | - Yuanjie Pang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada.,Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Ahmad R Kirmani
- Materials Science and Engineering Division, National Institute of Standards and Technology (NIST), 100 Bureau Dr, Gaithersburg, MD, 20899, USA
| | - Yuhang Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Alexander H Ip
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Lee J Richter
- Materials Science and Engineering Division, National Institute of Standards and Technology (NIST), 100 Bureau Dr, Gaithersburg, MD, 20899, USA
| | - Benjamin Scheffel
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Aoni Xu
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada
| | - Shen-Chuan Lo
- Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu, 31040, Taiwan
| | - Shana O Kelley
- Department of Chemistry, University of Toronto, 80 St George Street, Toronto, ON, M5S 3H6, Canada.,Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, ON, M5S 3M2, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, ON, M5S 1A4, Canada.
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16
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Kibria MG, Edwards JP, Gabardo CM, Dinh CT, Seifitokaldani A, Sinton D, Sargent EH. Electrochemical CO 2 Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design. Adv Mater 2019; 31:e1807166. [PMID: 31095806 DOI: 10.1002/adma.201807166] [Citation(s) in RCA: 350] [Impact Index Per Article: 70.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/16/2018] [Indexed: 05/21/2023]
Abstract
The electrochemical reduction of CO2 is a promising route to convert intermittent renewable energy to storable fuels and valuable chemical feedstocks. To scale this technology for industrial implementation, a deepened understanding of how the CO2 reduction reaction (CO2 RR) proceeds will help converge on optimal operating parameters. Here, a techno-economic analysis is presented with the goal of identifying maximally profitable products and the performance targets that must be met to ensure economic viability-metrics that include current density, Faradaic efficiency, energy efficiency, and stability. The latest computational understanding of the CO2 RR is discussed along with how this can contribute to the rational design of efficient, selective, and stable electrocatalysts. Catalyst materials are classified according to their selectivity for products of interest and their potential to achieve performance targets is assessed. The recent progress and opportunities in system design for CO2 electroreduction are described. To conclude, the remaining technological challenges are highlighted, suggesting full-cell energy efficiency as a guiding performance metric for industrial impact.
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Affiliation(s)
- Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Jonathan P Edwards
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Christine M Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
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17
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Li YC, Wang Z, Yuan T, Nam DH, Luo M, Wicks J, Chen B, Li J, Li F, de Arquer FPG, Wang Y, Dinh CT, Voznyy O, Sinton D, Sargent EH. Binding Site Diversity Promotes CO2 Electroreduction to Ethanol. J Am Chem Soc 2019; 141:8584-8591. [DOI: 10.1021/jacs.9b02945] [Citation(s) in RCA: 219] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yuguang C. Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Ziyun Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Tiange Yuan
- Department of Physical and Environmental Sciences, University of Toronto, Scarborough, 1065 Military Trail, Toronto, Ontario M1C 1A4, Canada
| | - Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Mingchuan Luo
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Joshua Wicks
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Bin Chen
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - F. Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Ying Wang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Oleksandr Voznyy
- Department of Physical and Environmental Sciences, University of Toronto, Scarborough, 1065 Military Trail, Toronto, Ontario M1C 1A4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Edward H. Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
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18
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Pang Y, Li J, Wang Z, Tan CS, Hsieh PL, Zhuang TT, Liang ZQ, Zou C, Wang X, De Luna P, Edwards JP, Xu Y, Li F, Dinh CT, Zhong M, Lou Y, Wu D, Chen LJ, Sargent EH, Sinton D. Efficient electrocatalytic conversion of carbon monoxide to propanol using fragmented copper. Nat Catal 2019. [DOI: 10.1038/s41929-019-0225-7] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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19
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Kibria MG, Dinh CT, Seifitokaldani A, De Luna P, Burdyny T, Quintero-Bermudez R, Ross MB, Bushuyev OS, García de Arquer FP, Yang P, Sinton D, Sargent EH. A Surface Reconstruction Route to High Productivity and Selectivity in CO 2 Electroreduction toward C 2+ Hydrocarbons. Adv Mater 2018; 30:e1804867. [PMID: 30302836 DOI: 10.1002/adma.201804867] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 09/09/2018] [Indexed: 05/09/2023]
Abstract
Electrochemical carbon dioxide reduction (CO2 ) is a promising technology to use renewable electricity to convert CO2 into valuable carbon-based products. For commercial-scale applications, however, the productivity and selectivity toward multi-carbon products must be enhanced. A facile surface reconstruction approach that enables tuning of CO2 -reduction selectivity toward C2+ products on a copper-chloride (CuCl)-derived catalyst is reported here. Using a novel wet-oxidation process, both the oxidation state and morphology of Cu surface are controlled, providing uniformity of the electrode morphology and abundant surface active sites. The Cu surface is partially oxidized to form an initial Cu (I) chloride layer which is subsequently converted to a Cu (I) oxide surface. High C2+ selectivity on these catalysts are demonstrated in an H-cell configuration, in which 73% Faradaic efficiency (FE) for C2+ products is reached with 56% FE for ethylene (C2 H4 ) and overall current density of 17 mA cm-2 . Thereafter, the method into a flow-cell configuration is translated, which allows operation in a highly alkaline medium for complete suppression of CH4 production. A record C2+ FE of ≈84% and a half-cell power conversion efficiency of 50% at a partial current density of 336 mA cm-2 using the reconstructed Cu catalyst are reported.
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Affiliation(s)
- Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Phil De Luna
- Department of Materials Science and Engineering, University of Toronto, Toronto, ON, Canada 184 College St, Toronto, ON, M5S 3E4, Canada
| | - Thomas Burdyny
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Rafael Quintero-Bermudez
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Michael B Ross
- Bio-inspired Solar Energy Program, Canadian Institute for Advanced Research, Toronto, Ontario, M5G 1Z8, Canada
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Oleksandr S Bushuyev
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Peidong Yang
- Bio-inspired Solar Energy Program, Canadian Institute for Advanced Research, Toronto, Ontario, M5G 1Z8, Canada
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Kavli Energy Nanosciences Institute, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
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20
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Li J, Che F, Pang Y, Zou C, Howe JY, Burdyny T, Edwards JP, Wang Y, Li F, Wang Z, De Luna P, Dinh CT, Zhuang TT, Saidaminov MI, Cheng S, Wu T, Finfrock YZ, Ma L, Hsieh SH, Liu YS, Botton GA, Pong WF, Du X, Guo J, Sham TK, Sargent EH, Sinton D. Copper adparticle enabled selective electrosynthesis of n-propanol. Nat Commun 2018; 9:4614. [PMID: 30397203 PMCID: PMC6218481 DOI: 10.1038/s41467-018-07032-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 10/10/2018] [Indexed: 11/12/2022] Open
Abstract
The electrochemical reduction of carbon monoxide is a promising approach for the renewable production of carbon-based fuels and chemicals. Copper shows activity toward multi-carbon products from CO reduction, with reaction selectivity favoring two-carbon products; however, efficient conversion of CO to higher carbon products such as n-propanol, a liquid fuel, has yet to be achieved. We hypothesize that copper adparticles, possessing a high density of under-coordinated atoms, could serve as preferential sites for n-propanol formation. Density functional theory calculations suggest that copper adparticles increase CO binding energy and stabilize two-carbon intermediates, facilitating coupling between adsorbed *CO and two-carbon intermediates to form three-carbon products. We form adparticle-covered catalysts in-situ by mediating catalyst growth with strong CO chemisorption. The new catalysts exhibit an n-propanol Faradaic efficiency of 23% from CO reduction at an n-propanol partial current density of 11 mA cm-2.
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Affiliation(s)
- Jun Li
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Fanglin Che
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Yuanjie Pang
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Chengqin Zou
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
- Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin University, 300072, Tianjin, China
| | - Jane Y Howe
- Hitachi High Technologies America, Inc., 22610 Gateway Center Drive, Suite 100, Clarksburg, MD, 20871, USA
| | - Thomas Burdyny
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
- Materials for Energy Conversion and Storage, Department of Chemical Engineering, Delft University of Technology, 2629 HZ, Delft, The Netherlands
| | - Jonathan P Edwards
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Yuhang Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Fengwang Li
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Ziyun Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Phil De Luna
- Department of Materials Science and Engineering, University of Toronto, 194 College Street, Toronto, ON, M5S 3E4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Tao-Tao Zhuang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Makhsud I Saidaminov
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada
| | - Shaobo Cheng
- Canadian Center for Electron Microscopy, McMaster University, Hamilton, ON, L8S 4M1, Canada
| | - Tianpin Wu
- Advanced Photon Source, Argonne National Laboratory, Lemont, IL, 60439, USA
| | - Y Zou Finfrock
- Advanced Photon Source, Argonne National Laboratory, Lemont, IL, 60439, USA
- Science Division, Canadian Light Source Inc., 44 Innovation Boulevard, Saskatoon, SK, S7N 2V3, Canada
| | - Lu Ma
- Advanced Photon Source, Argonne National Laboratory, Lemont, IL, 60439, USA
| | - Shang-Hsien Hsieh
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Department of Physics, Tamkang University, 151 Yingzhuan Road, Tamsui District, 25137, New Taipei City, Taiwan, ROC
| | - Yi-Sheng Liu
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Gianluigi A Botton
- Canadian Center for Electron Microscopy, McMaster University, Hamilton, ON, L8S 4M1, Canada
| | - Way-Faung Pong
- Department of Physics, Tamkang University, 151 Yingzhuan Road, Tamsui District, 25137, New Taipei City, Taiwan, ROC
| | - Xiwen Du
- Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin University, 300072, Tianjin, China
| | - Jinghua Guo
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Tsun-Kong Sham
- Department of Chemistry, University of Western Ontario, 1151 Richmond Street, London, ON, N6A 5B7, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON, M5S 3G4, Canada.
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada.
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21
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García de Arquer FP, Bushuyev OS, De Luna P, Dinh CT, Seifitokaldani A, Saidaminov MI, Tan CS, Quan LN, Proppe A, Kibria MG, Kelley SO, Sinton D, Sargent EH. 2D Metal Oxyhalide-Derived Catalysts for Efficient CO 2 Electroreduction. Adv Mater 2018; 30:e1802858. [PMID: 30091157 DOI: 10.1002/adma.201802858] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/12/2018] [Indexed: 05/28/2023]
Abstract
Electrochemical reduction of CO2 is a compelling route to store renewable electricity in the form of carbon-based fuels. Efficient electrochemical reduction of CO2 requires catalysts that combine high activity, high selectivity, and low overpotential. Extensive surface reconstruction of metal catalysts under high productivity operating conditions (high current densities, reducing potentials, and variable pH) renders the realization of tailored catalysts that maximize the exposure of the most favorable facets, the number of active sites, and the oxidation state all the more challenging. Earth-abundant transition metals such as tin, bismuth, and lead have been proven stable and product-specific, but exhibit limited partial current densities. Here, a strategy that employs bismuth oxyhalides as a template from which 2D bismuth-based catalysts are derived is reported. The BiOBr-templated catalyst exhibits a preferential exposure of highly active Bi ( 11¯0 ) facets. Thereby, the CO2 reduction reaction selectivity is increased to over 90% Faradaic efficiency and simultaneously stable current densities of up to 200 mA cm-2 are achieved-more than a twofold increase in the production of the energy-storage liquid formic acid compared to previous best Bi catalysts.
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Affiliation(s)
- F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Oleksandr S Bushuyev
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
- Leslie Dan Faculty of Pharmacy, Faculty of Medicine, Biochemistry, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Phil De Luna
- Department of Materials Science Engineering, University of Toronto, 27 King's College Circle, Toronto, ON, M5S 1A1, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Makhsud I Saidaminov
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Chih-Shan Tan
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Li Na Quan
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Andrew Proppe
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
| | - Shana O Kelley
- Leslie Dan Faculty of Pharmacy, Faculty of Medicine, Biochemistry, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, ON, M5S 1A4, Canada
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22
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Nam DH, Bushuyev OS, Li J, De Luna P, Seifitokaldani A, Dinh CT, García de Arquer FP, Wang Y, Liang Z, Proppe AH, Tan CS, Todorović P, Shekhah O, Gabardo CM, Jo JW, Choi J, Choi MJ, Baek SW, Kim J, Sinton D, Kelley SO, Eddaoudi M, Sargent EH. Metal–Organic Frameworks Mediate Cu Coordination for Selective CO2 Electroreduction. J Am Chem Soc 2018; 140:11378-11386. [DOI: 10.1021/jacs.8b06407] [Citation(s) in RCA: 220] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Oleksandr S. Bushuyev
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Jun Li
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Phil De Luna
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
- Department of Materials Science and Engineering, University of Toronto, 184 College Street, Toronto, Ontario M5S 3E4, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - F. Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Yuhang Wang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Zhiqin Liang
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Andrew H. Proppe
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3G4, Canada
| | - Chih Shan Tan
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Petar Todorović
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Osama Shekhah
- Division of Physical Sciences and Engineering, Advanced Membranes and Porous Materials Center, Functional Materials Design, Discovery and Development Research Group (FMD3), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Christine M. Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Jea Woong Jo
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Jongmin Choi
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Min-Jae Choi
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Se-Woong Baek
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - Junghwan Kim
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Shana O. Kelley
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3G4, Canada
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, Ontario M5S 3M2, Canada
| | - Mohamed Eddaoudi
- Division of Physical Sciences and Engineering, Advanced Membranes and Porous Materials Center, Functional Materials Design, Discovery and Development Research Group (FMD3), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Edward H. Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King’s College Road, Toronto, Ontario M5S 3G4, Canada
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23
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Dinh CT, Burdyny T, Kibria MG, Seifitokaldani A, Gabardo CM, García de Arquer FP, Kiani A, Edwards JP, De Luna P, Bushuyev OS, Zou C, Quintero-Bermudez R, Pang Y, Sinton D, Sargent EH. CO 2 electroreduction to ethylene via hydroxide-mediated copper catalysis at an abrupt interface. Science 2018; 360:783-787. [PMID: 29773749 DOI: 10.1126/science.aas9100] [Citation(s) in RCA: 861] [Impact Index Per Article: 143.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/03/2018] [Indexed: 12/14/2022]
Abstract
Carbon dioxide (CO2) electroreduction could provide a useful source of ethylene, but low conversion efficiency, low production rates, and low catalyst stability limit current systems. Here we report that a copper electrocatalyst at an abrupt reaction interface in an alkaline electrolyte reduces CO2 to ethylene with 70% faradaic efficiency at a potential of -0.55 volts versus a reversible hydrogen electrode (RHE). Hydroxide ions on or near the copper surface lower the CO2 reduction and carbon monoxide (CO)-CO coupling activation energy barriers; as a result, onset of ethylene evolution at -0.165 volts versus an RHE in 10 molar potassium hydroxide occurs almost simultaneously with CO production. Operational stability was enhanced via the introduction of a polymer-based gas diffusion layer that sandwiches the reaction interface between separate hydrophobic and conductive supports, providing constant ethylene selectivity for an initial 150 operating hours.
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Affiliation(s)
- Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Thomas Burdyny
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
| | - Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Christine M Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
| | - F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Amirreza Kiani
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Jonathan P Edwards
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
| | - Phil De Luna
- Department of Materials Science Engineering, University of Toronto, 184 College Street, Toronto, ON M5S 3E4, Canada
| | - Oleksandr S Bushuyev
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Chengqin Zou
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada.,Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Rafael Quintero-Bermudez
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada
| | - Yuanjie Pang
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, ON M5S 3G4, Canada.
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24
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Seifitokaldani A, Gabardo CM, Burdyny T, Dinh CT, Edwards JP, Kibria MG, Bushuyev OS, Kelley SO, Sinton D, Sargent EH. Hydronium-Induced Switching between CO2 Electroreduction Pathways. J Am Chem Soc 2018; 140:3833-3837. [DOI: 10.1021/jacs.7b13542] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Christine M. Gabardo
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Thomas Burdyny
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Jonathan P. Edwards
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Oleksandr S. Bushuyev
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3G4, Canada
| | - Shana O. Kelley
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3G4, Canada
- Department of Pharmaceutical Sciences, University of Toronto, Leslie Dan Faculty of Pharmacy, 144 College Street, Toronto, Ontario M5S 3M2, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario M5S 3G8, Canada
| | - Edward H. Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
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25
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Tian Y, García de Arquer FP, Dinh CT, Favraud G, Bonifazi M, Li J, Liu M, Zhang X, Zheng X, Kibria MG, Hoogland S, Sinton D, Sargent EH, Fratalocchi A. Enhanced Solar-to-Hydrogen Generation with Broadband Epsilon-Near-Zero Nanostructured Photocatalysts. Adv Mater 2017; 29:1701165. [PMID: 28481018 DOI: 10.1002/adma.201701165] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 03/26/2017] [Indexed: 06/07/2023]
Abstract
The direct conversion of solar energy into fuels or feedstock is an attractive approach to address increasing demand of renewable energy sources. Photocatalytic systems relying on the direct photoexcitation of metals have been explored to this end, a strategy that exploits the decay of plasmonic resonances into hot carriers. An efficient hot carrier generation and collection requires, ideally, their generation to be enclosed within few tens of nanometers at the metal interface, but it is challenging to achieve this across the broadband solar spectrum. Here the authors demonstrate a new photocatalyst for hydrogen evolution based on metal epsilon-near-zero metamaterials. The authors have designed these to achieve broadband strong light confinement at the metal interface across the entire solar spectrum. Using electron energy loss spectroscopy, the authors prove that hot carriers are generated in a broadband fashion within 10 nm in this system. The resulting photocatalyst achieves a hydrogen production rate of 9.5 µmol h-1 cm-2 that exceeds, by a factor of 3.2, that of the best previously reported plasmonic-based photocatalysts for the dissociation of H2 with 50 h stable operation.
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Affiliation(s)
- Yi Tian
- PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | | | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Gael Favraud
- PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Marcella Bonifazi
- PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Jun Li
- Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal, 239955, Saudi Arabia
| | - Min Liu
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Xixiang Zhang
- Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal, 239955, Saudi Arabia
| | - Xueli Zheng
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Md Golam Kibria
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Sjoerd Hoogland
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 Kings College Road, Toronto, Ontario, M5S 3G8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Andrea Fratalocchi
- PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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26
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Abstract
Sunlight-driven photocatalysis has emerged as a potential technology to address organic pollutant issues.
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Affiliation(s)
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering
- University of Toronto
- Toronto
- Canada
| | - Trong-On Do
- Department of Chemical Engineering
- Laval University
- Quebec
- Canada
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27
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Saberi Safaei T, Mepham A, Zheng X, Pang Y, Dinh CT, Liu M, Sinton D, Kelley SO, Sargent EH. High-Density Nanosharp Microstructures Enable Efficient CO 2 Electroreduction. Nano Lett 2016; 16:7224-7228. [PMID: 27736080 DOI: 10.1021/acs.nanolett.6b03615] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Conversion of CO2 to CO powered by renewable electricity not only reduces CO2 pollution but also is a means to store renewable energy via chemical production of fuels from CO. However, the kinetics of this reaction are slow due its large energetic barrier. We have recently reported CO2 reduction that is considerably enhanced via local electric field concentration at the tips of sharp gold nanostructures. The high local electric field enhances CO2 concentration at the catalytic active sites, lowering the activation barrier. Here we engineer the nucleation and growth of next-generation Au nanostructures. The electroplating overpotential was manipulated to generate an appreciably increased density of honed nanoneedles. Using this approach, we report the first application of sequential electrodeposition to increase the density of sharp tips in CO2 electroreduction. Selective regions of the primary nanoneedles are passivated using a thiol SAM (self-assembled monolayer), and then growth is concentrated atop the uncovered high-energy planes, providing new nucleation sites that ultimately lead to an increase in the density of the nanosharp structures. The two-step process leads to a new record in CO2 to CO reduction, with a geometric current density of 38 mA/cm2 at -0.4 V (vs reversible hydrogen electrode), and a 15-fold improvement over the best prior reports of electrochemical surface area (ECSA) normalized current density.
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Affiliation(s)
- Tina Saberi Safaei
- Department of Electrical and Computer Engineering, University of Toronto , 35 St George Street, Toronto, Ontario M5S 1A4, Canada
| | - Adam Mepham
- Institute for Biomaterials and Biomedical Engineering, University of Toronto , 164 College Street, Toronto, Ontario M5S 3G9, Canada
| | - Xueli Zheng
- Department of Electrical and Computer Engineering, University of Toronto , 35 St George Street, Toronto, Ontario M5S 1A4, Canada
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University , Tianjin 300072, China
| | - Yuanjie Pang
- Department of Mechanical and Industrial Engineering, University of Toronto , 5 King's College Road, Toronto, Ontario M5S 3G8, Canada
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto , 35 St George Street, Toronto, Ontario M5S 1A4, Canada
| | - Min Liu
- Department of Electrical and Computer Engineering, University of Toronto , 35 St George Street, Toronto, Ontario M5S 1A4, Canada
| | - David Sinton
- Department of Mechanical and Industrial Engineering, University of Toronto , 5 King's College Road, Toronto, Ontario M5S 3G8, Canada
| | - Shana O Kelley
- Institute for Biomaterials and Biomedical Engineering, University of Toronto , 164 College Street, Toronto, Ontario M5S 3G9, Canada
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto , Toronto, Ontario M5S 3M2, Canada
- Department of Biochemistry, Faculty of Medicine, University of Toronto , 1 King's College Circle, Toronto, Ontario M5S 1A8, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto , 35 St George Street, Toronto, Ontario M5S 1A4, Canada
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28
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Klinkova A, De Luna P, Dinh CT, Voznyy O, Larin EM, Kumacheva E, Sargent EH. Rational Design of Efficient Palladium Catalysts for Electroreduction of Carbon Dioxide to Formate. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01719] [Citation(s) in RCA: 227] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna Klinkova
- Department
of Chemistry, University of Toronto
, Toronto, Ontario
M5S 3H6, Canada
| | - Phil De Luna
- Department of Materials Science & Engineering, University of Toronto , 184 College Street, Toronto, Ontario M5S 3E4, Canada
| | - Cao-Thang Dinh
- The
Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto
, 10 King’s College Road, Toronto, Ontario
M5S 3G4, Canada
| | - Oleksandr Voznyy
- The
Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto
, 10 King’s College Road, Toronto, Ontario
M5S 3G4, Canada
| | - Egor M. Larin
- Department
of Chemistry, University of Toronto
, Toronto, Ontario
M5S 3H6, Canada
| | - Eugenia Kumacheva
- Department
of Chemistry, University of Toronto
, Toronto, Ontario
M5S 3H6, Canada
| | - Edward H. Sargent
- The
Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto
, 10 King’s College Road, Toronto, Ontario
M5S 3G4, Canada
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29
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Zheng XL, Dinh CT, de Arquer FPG, Zhang B, Liu M, Voznyy O, Li YY, Knight G, Hoogland S, Lu ZH, Du XW, Sargent EH. ZnFe2 O4 Leaves Grown on TiO2 Trees Enhance Photoelectrochemical Water Splitting. Small 2016; 12:3181-3188. [PMID: 27145726 DOI: 10.1002/smll.201600534] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 03/20/2016] [Indexed: 06/05/2023]
Abstract
TiO2 has excellent electrochemical properties but limited solar photocatalytic performance in light of its large bandgap. One important class of visible-wavelength sensitizers of TiO2 is based on ZnFe2 O4 , which has shown fully a doubling in performance relative to pure TiO2 . Prior efforts on this important front have relied on presynthesized nanoparticles of ZnFe2 O4 adsorbed on a TiO2 support; however, these have not yet achieved the full potential of this system since they do not provide a consistently maximized area of the charge-separating heterointerface per volume of sensitizing absorber. A novel atomic layer deposition (ALD)-enhanced synthesis of sensitizing ZnFe2 O4 leaves grown on the trunks of TiO2 trees is reported. These new materials exhibit fully a threefold enhancement in photoelectrochemical performance in water splitting compared to pristine TiO2 under visible illumination. The new materials synthesis strategy relies first on the selective growth of FeOOH nanosheets, 2D structures that shoot off from the sides of the TiO2 trees; these templates are then converted to ZnFe2 O4 with the aid of a novel ALD step, a strategy that preserves morphology while adding the Zn cation to achieve enhanced optical absorption and optimize the heterointerface band alignment.
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Affiliation(s)
- Xue-Li Zheng
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
- Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Bo Zhang
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Min Liu
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Oleksandr Voznyy
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Yi-Ying Li
- Department of Materials Science and Engineering, University of Toronto, 184 College Street, Toronto, Ontario, M5S 3E4, Canada
| | - Gordon Knight
- Trojan Technologies, 3020 Gore Road London, Ontario, N5V 4T7, Canada
| | - Sjoerd Hoogland
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
| | - Zheng-Hong Lu
- Department of Materials Science and Engineering, University of Toronto, 184 College Street, Toronto, Ontario, M5S 3E4, Canada
| | - Xi-Wen Du
- Institute of New-Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 35 St George Street, Toronto, Ontario, M5S 1A4, Canada
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30
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Burdyny T, Riordon J, Dinh CT, Sargent EH, Sinton D. Self-assembled nanoparticle-stabilized photocatalytic reactors. Nanoscale 2016; 8:2107-2115. [PMID: 26700375 DOI: 10.1039/c5nr05859g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The efficiency of nanostructured photocatalysts continues to improve at an impressive pace and is closing in on those needed for commercial applications; however, present-day reactor strategies used to deploy these nanostructures fail to achieve the sufficient areas (>1 m(2)) needed for solar application. Here we report the Self-assembled Nanoparticle-stabilized Photocatalytic Reactor (SNPR), a fully-scalable reactor strategy comprised only of nanoparticles adsorbed at the fluid-fluid interfaces of oil-in-water emulsions, water-in-oil emulsions, and CO2-in-water foams. We show that SNPRs naturally disperse over open water and need no physical substrate, requiring only photocatalysts and fluid. In environmental applications the SNPR provides more than double the reaction rate of a comparable single-phase reactor. In continuous mode, the SNPR achieves 100% photocatalyst retention and processes 96% of the stream over 20 hours; in contrast, the performance of a comparable aqueous suspension declines to zero over this interval, losing all photocatalyst to the outlet stream. We further characterize the photoactivity of individual photocatalytic droplets, with reactants in both the continuous and dispersed phases. These results demonstrate SNPRs as a robust and flexible reactor strategy and a route-to-scale for nanomaterials.
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Affiliation(s)
- Thomas Burdyny
- Department of Mechanical and Industrial Engineering and Institute for Sustainable Energy, University of Toronto, 5 King's College Road, Toronto, ON, Canada M5S 3G8.
| | - Jason Riordon
- Department of Mechanical and Industrial Engineering and Institute for Sustainable Energy, University of Toronto, 5 King's College Road, Toronto, ON, Canada M5S 3G8.
| | - Cao-Thang Dinh
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, Canada M5S 3G4
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, Canada M5S 3G4
| | - David Sinton
- Department of Mechanical and Industrial Engineering and Institute for Sustainable Energy, University of Toronto, 5 King's College Road, Toronto, ON, Canada M5S 3G8.
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31
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Affiliation(s)
- Cao-Thang Dinh
- Department of Electrical
and Computer Engineering, University of Toronto, 10 King’s
College, Toronto, Ontario M5S 3G4, Canada
| | - Sjoerd Hoogland
- Department of Electrical
and Computer Engineering, University of Toronto, 10 King’s
College, Toronto, Ontario M5S 3G4, Canada
| | - Edward H. Sargent
- Department of Electrical
and Computer Engineering, University of Toronto, 10 King’s
College, Toronto, Ontario M5S 3G4, Canada
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Reza Gholipour M, Dinh CT, Béland F, Do TO. Nanocomposite heterojunctions as sunlight-driven photocatalysts for hydrogen production from water splitting. Nanoscale 2015; 7:8187-208. [PMID: 25804291 DOI: 10.1039/c4nr07224c] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Hydrogen production via photocatalytic water splitting using sunlight has enormous potential in solving the worldwide energy and environmental crisis. The key challenge in this process is to develop efficient photocatalysts which must satisfy several criteria such as high chemical and photochemical stability, effective charge separation and strong sunlight absorption. The combination of different semiconductors to create composite materials offers a promising way to achieve efficient photocatalysts because doing so can improve the charge separation, light absorption and stability of the photocatalysts. In this review article, we summarized the most recent studies on semiconductor composites for hydrogen production under visible light irradiation. After a general introduction about the photocatalysis phenomenon, typical heterojunctions of widely studied heterogeneous semiconductors, including titanium dioxide, cadmium sulfide and graphitic carbon nitride are discussed in detail.
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Nguyen TD, Dinh CT, Do TO. Tailoring the assembly, interfaces, and porosity of nanostructures toward enhanced catalytic activity. Chem Commun (Camb) 2015; 51:624-35. [DOI: 10.1039/c4cc05741d] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The evolution of nanotechnology has inspired materials scientists to invent nanostructures with achievements in numerous practical applications, particularly in catalysis.
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Affiliation(s)
| | - Cao-Thang Dinh
- Department of Chemical Engineering
- Laval University
- Quebec
- Canada
| | - Trong-On Do
- Department of Chemical Engineering
- Laval University
- Quebec
- Canada
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Dinh CT, Yen H, Kleitz F, Do TO. Frontispiz: Three-Dimensional Ordered Assembly of Thin-Shell Au/TiO 2Hollow Nanospheres for Enhanced Visible-Light-Driven Photocatalysis. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201482671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Dinh CT, Yen H, Kleitz F, Do TO. Frontispiece: Three-Dimensional Ordered Assembly of Thin-Shell Au/TiO 2Hollow Nanospheres for Enhanced Visible-Light-Driven Photocatalysis. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/anie.201482671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Dinh CT, Pham MH, Seo Y, Kleitz F, Do TO. Design of multicomponent photocatalysts for hydrogen production under visible light using water-soluble titanate nanodisks. Nanoscale 2014; 6:4819-4829. [PMID: 24664235 DOI: 10.1039/c3nr06602a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We report the design of efficient multicomponent photocatalysts (MPs) for H2 production under visible light by using water-soluble ultrathin titanate nanodisks (TNDs) stabilized by tetraethylammonium cations (TEA(+)) as building blocks. The photocatalysts are designed in such a way to significantly enhance simultaneously the efficiency of the three main steps in the photocatalytic process i.e., light absorption, charge separation and catalytic reaction. We show, as an example, the construction of water-soluble CdS-TND-Ni MPs. The designed CdS-TND-Ni MPs, in which CdS nanoparticles and TNDs are intimately assembled to enhance the charge transfer and surface area, are controlled in composition to optimize visible light absorption. The conception of the MPs allows them to be highly dispersed in water which markedly improves the photocatalytic H2 production process. Most importantly, a Ni co-catalyst is selectively located on the surface of TNDs, enabling vectorial electron transfer from CdS to TND and to Ni, which drastically improves the charge separation. Consequently, under visible light illumination (λ ≥ 420 nm), the optimally designed CdS-TND-Ni MPs could generate H2 from ethanol-water solution with rate as high as 15.326 mmol g(-1) h(-1) during a reaction course of 15 h and with an apparent quantum yield of 24% at 420 nm. Moreover, we also demonstrate that TNDs can be combined with other single or mixed metal sulfide to form water-soluble metal sulfide-TNDs composites which could also be of great interest for photocatalytic H2 production.
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Affiliation(s)
- Cao-Thang Dinh
- Department of Chemical Engineering and Centre de Catalyse et Chimie Verte, Laval University, Quebec, G1V 0A6, Canada.
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Dinh CT, Yen H, Kleitz F, Do TO. Three-Dimensional Ordered Assembly of Thin-Shell Au/TiO2Hollow Nanospheres for Enhanced Visible-Light-Driven Photocatalysis. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400966] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Dinh CT, Yen H, Kleitz F, Do TO. Three-Dimensional Ordered Assembly of Thin-Shell Au/TiO2Hollow Nanospheres for Enhanced Visible-Light-Driven Photocatalysis. Angew Chem Int Ed Engl 2014; 53:6618-23. [DOI: 10.1002/anie.201400966] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Indexed: 11/10/2022]
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Pham MH, Dinh CT, Vuong GT, Ta ND, Do TO. Visible light induced hydrogen generation using a hollow photocatalyst with two cocatalysts separated on two surface sides. Phys Chem Chem Phys 2014; 16:5937-41. [DOI: 10.1039/c3cp54629b] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Eshraghi AA, Dinh CT, Bohorquez J, Angeli S, Abi-Hachem R, Van De Water TR. Local drug delivery to conserve hearing: mechanisms of action of eluted dexamethasone within the cochlea. Cochlear Implants Int 2013; 12 Suppl 1:S51-3. [DOI: 10.1179/146701011x13001035753254] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Nguyen TD, Dinh CT, Mrabet D, Tran-Thi MN, Do TO. Controlled synthesis of ceria nanoparticles for the design of nanohybrids. J Colloid Interface Sci 2013; 394:100-7. [DOI: 10.1016/j.jcis.2012.12.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 11/21/2012] [Accepted: 12/09/2012] [Indexed: 11/16/2022]
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Dinh CT, Seo Y, Nguyen TD, Kleitz F, Do TO. Rücktitelbild: Controlled Synthesis of Titanate Nanodisks as Versatile Building Blocks for the Design of Hybrid Nanostructures (Angew. Chem. 27/2012). Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201204357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dinh CT, Seo Y, Nguyen TD, Kleitz F, Do TO. Back Cover: Controlled Synthesis of Titanate Nanodisks as Versatile Building Blocks for the Design of Hybrid Nanostructures (Angew. Chem. Int. Ed. 27/2012). Angew Chem Int Ed Engl 2012. [DOI: 10.1002/anie.201204357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Dinh CT, Seo Y, Nguyen TD, Kleitz F, Do TO. Controlled Synthesis of Titanate Nanodisks as Versatile Building Blocks for the Design of Hybrid Nanostructures. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201202046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dinh CT, Seo Y, Nguyen TD, Kleitz F, Do TO. Controlled Synthesis of Titanate Nanodisks as Versatile Building Blocks for the Design of Hybrid Nanostructures. Angew Chem Int Ed Engl 2012; 51:6608-12. [DOI: 10.1002/anie.201202046] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2012] [Indexed: 11/07/2022]
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Dinh CT, Nguyen TD, Kleitz F, Do TO. A new route to size and population control of silver clusters on colloidal TiO₂ nanocrystals. ACS Appl Mater Interfaces 2011; 3:2228-2234. [PMID: 21675750 DOI: 10.1021/am200480b] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Formation of hybrid Ag-TiO(2) nanocrystals (NCs) in which Ag clusters are uniformly deposited on individual TiO(2) NC surface has been achieved by using hydrophobic surfactant-capped TiO(2) NCs in combination with a photodeposition technique. The population of Ag clusters on the individual TiO(2) NC surface can be controlled by the degree of hydrophobicity (e.g., the number of vacant sites) on the TiO(2) NC surface while their size may be altered simply by varying irradiation time. A reversible change in color of the resulting hybrid Ag-TiO(2) NCs is induced by alternating UV light and visible-light illumination; however, the size and population of Ag clusters on TiO(2) NCs are almost unchanged. Furthermore, these materials also exhibit much higher photocatalytic performance as compared to that of Ag supported on commercial TiO(2)-P25.
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Affiliation(s)
- Cao-Thang Dinh
- Department of Chemical Engineering, Centre de recherche sur les propriétés des interfaces et la catalyse (CERPIC), Laval University, Quebec G1 V 0A6, Canada
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Dinh CT, Nguyen TD, Kleitz F, Do TO. Large-scale synthesis of uniform silver orthophosphate colloidal nanocrystals exhibiting high visible light photocatalytic activity. Chem Commun (Camb) 2011; 47:7797-9. [PMID: 21633747 DOI: 10.1039/c1cc12014j] [Citation(s) in RCA: 154] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Silver orthophosphate nanocrystals with controlled particle size have been synthesized using a simple, reproducible and easily scaled up route based on the reaction between silver ions, oleylamine and phosphoric acid. The obtained nanocrystals are highly uniform in size and exhibit high visible light activity for the photodecomposition of organic compounds.
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Affiliation(s)
- Cao-Thang Dinh
- Department of Chemical Engineering, Laval University, Quebec, G1V 0A6, Canada
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Dinh CT, Nguyen TD, Kleitz F, Do TO. A solvothermal single-step route towards shape-controlled titanium dioxide nanocrystals. CAN J CHEM ENG 2011. [DOI: 10.1002/cjce.20574] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Dinh CT, Bas E, Chan SS, Dinh JN, Vu L, Van De Water TR. Dexamethasone treatment of tumor necrosis factor-alpha challenged organ of Corti explants activates nuclear factor kappa B signaling that induces changes in gene expression that favor hair cell survival. Neuroscience 2011; 188:157-67. [PMID: 21571041 DOI: 10.1016/j.neuroscience.2011.04.061] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2010] [Revised: 04/27/2011] [Accepted: 04/29/2011] [Indexed: 12/20/2022]
Abstract
The objective was to determine the role of nuclear factor kappa B (NFκB) in dexamethasone base (DXMb) protection of auditory hair cells from tumor necrosis factor-alpha (TNFα)-induced loss on gene expression and cell signaling levels. Organ of Corti (OC) explants from 3-day-old rats were cultured under one of the following conditions: (1) media only--no treatment; (2) media+TNFα; (3) media+TNFα+DXMb; (4) media+TNFα+DXMb+NFκB-Inhibitor (NFκB-I); or (5) media+TNFα+DXMb+NFκBI-Scrambled control (NFκBI-C). A total of 60 organ of Corti explants (OC) were stained with FITC-Phalloidin after 96 h in culture (conditions 1-5) for hair cell counts and imaging of surface characteristics. A total of 108 OC were used for gene expression studies (i.e. B-actin, Bax, Bcl-2, Bcl-xl, and TNFR1) after 0, 24, or 48 h in vitro (conditions 1-4). A total of 86 OC were cultured (conditions 1-3) for 48 h, 36 of which were used for phosphorylated NFκB (p-NFκB) ELISA studies and 50 for whole mount anti-p-NFκB immunostain experiments. TNFα+DXMb exposed cultures demonstrated significant upregulation in anti-apoptotic Bcl-2 and Bcl-xl genes and downregulation in pro-apoptotic Bax gene expression; DXMb treatment of TNFα explants also lowered the Bax/Bcl-2 ratio and inhibited TNFR1 upregulation. After inhibiting NFκB activity with NFκB-I, the gene expression profile following TNFα+DXMb treatment now mimics that of TNFα-challenged OC explants. The levels of p-NFκB and the degree of nuclear translocation are significantly greater in TNFα+DXMb exposed OC explants than observed in the TNFα and control groups in the middle+basal turns of OC explants. These findings were supported by the results of the hair cell counts and the imaging results obtained from the whole mount OC specimens. DXMb protects against TNFα-induced apoptosis of auditory hair cells in vitro via activation of NFκB signaling in hair cell nuclei, and regulation of the expression levels of anti- and pro-apoptotic genes and a pro-inflammatory gene.
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Affiliation(s)
- C T Dinh
- Cochlear Implant Research Program, University of Miami Ear Institute, Department of Otolaryngology, University of Miami, Miller School of Medicine, 1600 NW 10th Avenue, RMSB 3160, Miami, FL 33136-1015, USA
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Nguyen TD, Dinh CT, Do TO. A general procedure to synthesize highly crystalline metal oxide and mixed oxide nanocrystals in aqueous medium and photocatalytic activity of metal/oxide nanohybrids. Nanoscale 2011; 3:1861-1873. [PMID: 21409273 DOI: 10.1039/c1nr10109a] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A conventional and general route has been exploited to the high yield synthesis of many kinds of highly crystalline metal oxide and mixed oxide nanocrystals with different morphologies including belt, rod, truncated-octahedron, cubic, sphere, sheet via the hydrothermal reaction of inorganic precursors in aqueous solution in the presence of bifunctional 6-aminohexanoic acid (AHA) molecules as a capping agent. This method is a simple, reproducible and general route for the preparation of a variety of high-crystalline inorganic nanocrystals in scale-up. The shape of inorganic nanocrystals such as CoWO(4), La(2)(MoO(4))(3) can be controlled by simply adjusting the synthesis conditions including pH solution and reaction temperature. Further, by tuning precursor monomer concentration, the mesocrystal hierarchical aggregated microspheres (e.g., MnWO(4), La(2)(MoO(4))(3)) can be achieved, due to the spontaneous assembly of individual AHA-capped nanoparticles. These obtained AHA-capped nanocrystals are excellent supports for the synthesis of a variety of hybrid metal/oxide nanocrystals in which noble metal particles are uniformly deposited on the surface of each individual nanosupport. The photocatalytic activity of Ag/TiO(2) nanobelts as a typical hybrid photocatalyst sample for Methylene Blue degradation was also studied.
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Affiliation(s)
- Thanh-Dinh Nguyen
- Department of Chemical Engineering, Laval University, Quebec, G1K 7P4, Canada
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