1
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Li H, Wei P, Liu T, Li M, Wang C, Li R, Ye J, Zhou ZY, Sun SG, Fu Q, Gao D, Wang G, Bao X. CO electrolysis to multicarbon products over grain boundary-rich Cu nanoparticles in membrane electrode assembly electrolyzers. Nat Commun 2024; 15:4603. [PMID: 38816404 PMCID: PMC11139892 DOI: 10.1038/s41467-024-49095-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Producing valuable chemicals like ethylene via catalytic carbon monoxide conversion is an important nonpetroleum route. Here we demonstrate an electrochemical route for highly efficient synthesis of multicarbon (C2+) chemicals from CO. We achieve a C2+ partial current density as high as 4.35 ± 0.07 A cm-2 at a low cell voltage of 2.78 ± 0.01 V over a grain boundary-rich Cu nanoparticle catalyst in an alkaline membrane electrode assembly (MEA) electrolyzer, with a C2+ Faradaic efficiency of 87 ± 1% and a CO conversion of 85 ± 3%. Operando Raman spectroscopy and density functional theory calculations reveal that the grain boundaries of Cu nanoparticles facilitate CO adsorption and C - C coupling, thus rationalizing a qualitative trend between C2+ production and grain boundary density. A scale-up demonstration using an electrolyzer stack with five 100 cm2 MEAs achieves high C2+ and ethylene formation rates of 118.9 mmol min-1 and 1.2 L min-1, respectively, at a total current of 400 A (4 A cm-2) with a C2+ Faradaic efficiency of 64%.
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Affiliation(s)
- Hefei Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pengfei Wei
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Tianfu Liu
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Mingrun Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Chao Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Rongtan Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinyu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Zhi-You Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Shi-Gang Sun
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Qiang Fu
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Dunfeng Gao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Guoxiong Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Xinhe Bao
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
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2
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Goodenough I, Boyanich MC, McDonnell RP, Castellana L, Datta Devulapalli VS, Luo TY, Das P, Richard M, Rosi NL, Borguet E. Reversible solvent interactions with UiO-67 metal-organic frameworks. J Chem Phys 2024; 160:044711. [PMID: 38294314 DOI: 10.1063/5.0180924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/06/2023] [Indexed: 02/01/2024] Open
Abstract
The utility of UiO-67 Metal-Organic Frameworks (MOFs) for practical applications requires a comprehensive understanding of intermolecular host-guest MOF-analyte interactions. To investigate intermolecular interactions between UiO-67 MOFs and complex molecules, it is useful to evaluate the interactions with simple polar and non-polar analytes. This problem is approached by investigating the interactions of polar (acetone and isopropanol) and non-polar (n-heptane) molecules with functionalized UiO-67 MOFs via temperature programmed desorption mass spectrometry and temperature programmed Fourier transform infrared spectroscopy. We find that isopropanol, acetone, and n-heptane bind reversibly and non-destructively to UiO-67 MOFs, where MOF and analyte functionality influence relative binding strengths (n-heptane ≈ isopropanol > acetone). During heating, all three analytes diffuse into the internal pore environment and directly interact with the μ3-OH groups located within the tetrahedral pores, evidenced by the IR response of ν(μ3-OH). We observe nonlinear changes in the infrared cross sections of the ν(CH) modes of acetone, isopropanol, and n-heptane following diffusion into UiO-67. Similarly, acetone's ν(C=O) infrared cross section increases dramatically when diffused into UiO-67. Ultimately, this in situ investigation provides insights into how individual molecular functional groups interact with UiO MOFs and enables a foundation where MOF interactions with complex molecular systems can be evaluated.
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Affiliation(s)
- Isabella Goodenough
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
| | - Mikaela C Boyanich
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
| | - Ryan P McDonnell
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
| | - Lauren Castellana
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
| | | | - Tian-Yi Luo
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Prasenjit Das
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Mélissandre Richard
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
| | - Nathaniel L Rosi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Eric Borguet
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA
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3
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Zhang L, Yang X, Yuan Q, Wei Z, Ding J, Chu T, Rong C, Zhang Q, Ye Z, Xuan FZ, Zhai Y, Zhang B, Yang X. Elucidating the structure-stability relationship of Cu single-atom catalysts using operando surface-enhanced infrared absorption spectroscopy. Nat Commun 2023; 14:8311. [PMID: 38097617 PMCID: PMC10721631 DOI: 10.1038/s41467-023-44078-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/29/2023] [Indexed: 12/17/2023] Open
Abstract
Understanding the structure-stability relationship of catalysts is imperative for the development of high-performance electrocatalytic devices. Herein, we utilize operando attenuated total reflectance surface-enhanced infrared absorption spectroscopy (ATR-SEIRAS) to quantitatively monitor the evolution of Cu single-atom catalysts (SACs) during the electrochemical reduction of CO2 (CO2RR). Cu SACs are converted into 2-nm Cu nanoparticles through a reconstruction process during CO2RR. The evolution rate of Cu SACs is highly dependent on the substrates of the catalysts due to the coordination difference. Density functional theory calculations demonstrate that the stability of Cu SACs is highly dependent on their formation energy, which can be manipulated by controlling the affinity between Cu sites and substrates. This work highlights the use of operando ATR-SEIRAS to achieve mechanistic understanding of structure-stability relationship for long-term applications.
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Affiliation(s)
- Li Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan, 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaoju Yang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan, 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Qing Yuan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan, 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhiming Wei
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Jie Ding
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Tianshu Chu
- Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, Key Laboratory of Pressure Systems and Safety of Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Chao Rong
- Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, Key Laboratory of Pressure Systems and Safety of Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Qiao Zhang
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Zhenkun Ye
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan, 430074, China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Fu-Zhen Xuan
- Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, Key Laboratory of Pressure Systems and Safety of Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yueming Zhai
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Bowei Zhang
- Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, Key Laboratory of Pressure Systems and Safety of Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Xuan Yang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology, Wuhan, 430074, China.
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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4
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Chang X, Xiong H, Lu Q, Xu B. Mechanistic Implications of Low CO Coverage on Cu in the Electrochemical CO and CO 2 Reduction Reactions. JACS AU 2023; 3:2948-2963. [PMID: 38034971 PMCID: PMC10685414 DOI: 10.1021/jacsau.3c00494] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/05/2023] [Accepted: 10/05/2023] [Indexed: 12/02/2023]
Abstract
Electrochemical CO or CO2 reduction reactions (CO(2)RR), powered by renewable energy, represent one of the promising strategies for upgrading CO2 to valuable products. To design efficient and selective catalysts for the CO(2)RR, a comprehensive mechanistic understanding is necessary, including a comprehensive understanding of the reaction network and the identity of kinetically relevant steps. Surface-adsorbed CO (COad) is the most commonly reported reaction intermediate in the CO(2)RR, and its surface coverage (θCO) and binding energy are proposed to be key to the catalytic performance. Recent experimental evidence sugguests that θCO on Cu electrode at electrochemical conditions is quite low (∼0.05 monolayer), while relatively high θCO is often assumed in literature mechanistic discussion. This Perspective briefly summarizes existing efforts in determining θCO on Cu surfaces, analyzes mechanistic impacts of low θCO on the reaction pathway and catalytic performance, and discusses potential fruitful future directions in advancing our understanding of the Cu-catalyzed CO(2)RR.
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Affiliation(s)
- Xiaoxia Chang
- College
of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Haocheng Xiong
- Department
of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Qi Lu
- Department
of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Bingjun Xu
- College
of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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5
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Zi X, Zhou Y, Zhu L, Chen Q, Tan Y, Wang X, Sayed M, Pensa E, Geioushy RA, Liu K, Fu J, Cortés E, Liu M. Breaking K + Concentration Limit on Cu Nanoneedles for Acidic Electrocatalytic CO 2 Reduction to Multi-Carbon Products. Angew Chem Int Ed Engl 2023; 62:e202309351. [PMID: 37639659 DOI: 10.1002/anie.202309351] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/14/2023] [Accepted: 08/28/2023] [Indexed: 08/31/2023]
Abstract
Electrocatalytic CO2 reduction reaction (CO2 RR) to multi-carbon products (C2+ ) in acidic electrolyte is one of the most advanced routes for tackling our current climate and energy crisis. However, the competing hydrogen evolution reaction (HER) and the poor selectivity towards the valuable C2+ products are the major obstacles for the upscaling of these technologies. High local potassium ions (K+ ) concentration at the cathode's surface can inhibit proton-diffusion and accelerate the desirable carbon-carbon (C-C) coupling process. However, the solubility limit of potassium salts in bulk solution constrains the maximum achievable K+ concentration at the reaction sites and thus the overall acidic CO2 RR performance of most electrocatalysts. In this work, we demonstrate that Cu nanoneedles induce ultrahigh local K+ concentrations (4.22 M) - thus breaking the K+ solubility limit (3.5 M) - which enables a highly efficient CO2 RR in 3 M KCl at pH=1. As a result, a Faradaic efficiency of 90.69±2.15 % for C2+ (FEC2+ ) can be achieved at 1400 mA.cm-2 , simultaneous with a single pass carbon efficiency (SPCE) of 25.49±0.82 % at a CO2 flow rate of 7 sccm.
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Affiliation(s)
- Xin Zi
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Yajiao Zhou
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Li Zhu
- Nanoinstitut München, Fakultät für Physik, Ludwig-Maximilians-Universität München, 80539, München, Germany
| | - Qin Chen
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Yao Tan
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Xiqing Wang
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Mahmoud Sayed
- Chemistry Department, Faculty of Science, Fayoum University, Fayoum, 63514, Egypt
| | - Evangelina Pensa
- Nanoinstitut München, Fakultät für Physik, Ludwig-Maximilians-Universität München, 80539, München, Germany
| | - Ramadan A Geioushy
- Central Metallurgical Research and Development Institute, CMRDI P.O. Box: 87, Helwan, 11421, Cairo, Egypt
| | - Kang Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Junwei Fu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
| | - Emiliano Cortés
- Nanoinstitut München, Fakultät für Physik, Ludwig-Maximilians-Universität München, 80539, München, Germany
| | - Min Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physics, Central South University, Changsha, 410083, Hunan, P. R. China
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6
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Xiong H, Sun Q, Chen K, Xu Y, Chang X, Lu Q, Xu B. Correlating the Experimentally Determined CO Adsorption Enthalpy with the Electrochemical CO Reduction Performance on Cu Surfaces. Angew Chem Int Ed Engl 2023; 62:e202218447. [PMID: 36655721 DOI: 10.1002/anie.202218447] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/20/2023]
Abstract
CO binding energy has been widely employed as a descriptor for effective catalysts in the electrochemical CO2 and CO reduction reactions (CO(2) RR), however, it has yet to be determined experimentally at electrochemical interfaces due to the lack of suitable techniques. In this work, we developed a method to determine the standard adsorption enthalpy of CO on Cu surfaces with quantitative surface enhanced infrared absorption spectroscopy. On dendritic Cu at -0.75 V vs. SHE, the standard adsorption enthalpy, entropy and Gibbs free energy were determined to 1.5±0.5 kJ mol-1 , ≈37.9±13.4 J/(mol K), and ≈-9.8±4.0 kJ mol-1 , respectively. Comparison of the standard adsorption enthalpy of oxide-derived Cu and dendritic Cu, as well as their CORR activities, suggests the presence of stronger binding sites on OD Cu, which could favor multicarbon products. The method developed in this work will help establish the correlation between the CO binding energy and the CO(2) RR activity.
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Affiliation(s)
- Haocheng Xiong
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.,State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Qiwen Sun
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Kedang Chen
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yifei Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xiaoxia Chang
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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7
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Hou J, Chang X, Li J, Xu B, Lu Q. Correlating CO Coverage and CO Electroreduction on Cu via High-Pressure in Situ Spectroscopic and Reactivity Investigations. J Am Chem Soc 2022; 144:22202-22211. [PMID: 36404600 DOI: 10.1021/jacs.2c09956] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The absolute coverage of CO has been a missing piece in the mechanistic puzzle of the CO reduction reaction (CORR) on Cu. For the first time, we revealed the upper bound of the CO coverage under electrocatalytic conditions to be 0.05 monolayer at atmospheric pressure and the saturation CO coverage to be ∼0.25 monolayer by conducting surface enhanced infrared spectroscopy at CO pressures up to 60 barg in a custom-designed spectroelectrochemical cell. CORR activities on Cu were also determined in the same pressure range. Calculated reaction orders of C2+ products with respect to adsorbed CO are substantially less than unity, clearly indicating that the coupling of adsorbed CO is not the rate-determining step leading to multicarbon products. The increase in CO coverage can reduce the C affinity on the Cu surface and favor the selectivity towards oxygenates, especially acetate, over ethylene. Uncommon products, including ethane, glycolaldehyde, and ethylene glycol, were detected in appreciable amounts, likely due to a new C-C coupling mechanism taking place at elevated CO pressures.
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Affiliation(s)
- Jiajie Hou
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing100084, China
| | - Xiaoxia Chang
- College of Chemistry and Molecular Engineering, Peking University, Beijing100871, China
| | - Jing Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing100084, China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing100871, China
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing100084, China
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8
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Su HS, Chang X, Xu B. Surface-enhanced vibrational spectroscopies in electrocatalysis: Fundamentals, challenges, and perspectives. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(22)64157-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Li J, Li C, Hou J, Gao W, Chang X, Lu Q, Xu B. Intercepting Elusive Intermediates in Cu-Mediated CO Electrochemical Reduction with Alkyl Species. J Am Chem Soc 2022; 144:20495-20506. [DOI: 10.1021/jacs.2c09378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jing Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Chunsong Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Jiajie Hou
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Wenqiang Gao
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiaoxia Chang
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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10
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Yang B, Liu K, Li H, Liu C, Fu J, Li H, Huang JE, Ou P, Alkayyali T, Cai C, Duan Y, Liu H, An P, Zhang N, Li W, Qiu X, Jia C, Hu J, Chai L, Lin Z, Gao Y, Miyauchi M, Cortés E, Maier SA, Liu M. Accelerating CO 2 Electroreduction to Multicarbon Products via Synergistic Electric-Thermal Field on Copper Nanoneedles. J Am Chem Soc 2022; 144:3039-3049. [PMID: 35112839 DOI: 10.1021/jacs.1c11253] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Electrochemical CO2 reduction is a promising way to mitigate CO2 emissions and close the anthropogenic carbon cycle. Among products from CO2RR, multicarbon chemicals, such as ethylene and ethanol with high energy density, are more valuable. However, the selectivity and reaction rate of C2 production are unsatisfactory due to the sluggish thermodynamics and kinetics of C-C coupling. The electric field and thermal field have been studied and utilized to promote catalytic reactions, as they can regulate the thermodynamic and kinetic barriers of reactions. Either raising the potential or heating the electrolyte can enhance C-C coupling, but these come at the cost of increasing side reactions, such as the hydrogen evolution reaction. Here, we present a generic strategy to enhance the local electric field and temperature simultaneously and dramatically improve the electric-thermal synergy desired in electrocatalysis. A conformal coating of ∼5 nm of polytetrafluoroethylene significantly improves the catalytic ability of copper nanoneedles (∼7-fold electric field and ∼40 K temperature enhancement at the tips compared with bare copper nanoneedles experimentally), resulting in an improved C2 Faradaic efficiency of over 86% at a partial current density of more than 250 mA cm-2 and a record-high C2 turnover frequency of 11.5 ± 0.3 s-1 Cu site-1. Combined with its low cost and scalability, the electric-thermal strategy for a state-of-the-art catalyst not only offers new insight into improving activity and selectivity of value-added C2 products as we demonstrated but also inspires advances in efficiency and/or selectivity of other valuable electro-/photocatalysis such as hydrogen evolution, nitrogen reduction, and hydrogen peroxide electrosynthesis.
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Affiliation(s)
- Baopeng Yang
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Kang Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - HuangJingWei Li
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Changxu Liu
- Chair in Hybrid Nanosystems, Nanoinstitute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, D-80539 München, Germany
| | - Junwei Fu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Hongmei Li
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Jianan Erick Huang
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario M5S 1A4, Canada
| | - Pengfei Ou
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario M5S 1A4, Canada
| | - Tartela Alkayyali
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S 3G8, Canada
| | - Chao Cai
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Yuxia Duan
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
| | - Hui Liu
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Pengda An
- School of Materials Science and Engineering, Central South University, Changsha 410083, China
| | - Ning Zhang
- School of Materials Science and Engineering, Central South University, Changsha 410083, China
| | - Wenzhang Li
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Xiaoqing Qiu
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Chuankun Jia
- College of Materials Science and Engineering, Changsha University of Science & Technology, Changsha 410114, China
| | - Junhua Hu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002, China
| | - Liyuan Chai
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Zhang Lin
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Yongli Gao
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, United States
| | - Masahiro Miyauchi
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo 152-8552, Japan
| | - Emiliano Cortés
- Chair in Hybrid Nanosystems, Nanoinstitute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, D-80539 München, Germany
| | - Stefan A Maier
- Chair in Hybrid Nanosystems, Nanoinstitute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, D-80539 München, Germany.,Department of Physics, Imperial College London, London SW7 2AZ, U.K
| | - Min Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, State Key Laboratory of Powder Metallurgy, School of Physical and Electronics, Central South University, Changsha 410083, China
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11
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Chang X, Li J, Xiong H, Zhang H, Xu Y, Xiao H, Lu Q, Xu B. C−C Coupling Is Unlikely to Be the Rate‐Determining Step in the Formation of C
2+
Products in the Copper‐Catalyzed Electrochemical Reduction of CO. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiaoxia Chang
- College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
- Center for Catalytic Science and Technology Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
| | - Jing Li
- State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University Beijing 100084 China
| | - Haocheng Xiong
- College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
- State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University Beijing 100084 China
| | - Haochen Zhang
- State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University Beijing 100084 China
| | - Yifei Xu
- College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
| | - Hai Xiao
- Department of Chemistry Tsinghua University Beijing 100084 China
| | - Qi Lu
- State Key Laboratory of Chemical Engineering Department of Chemical Engineering Tsinghua University Beijing 100084 China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
- Center for Catalytic Science and Technology Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
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12
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Chang X, Li J, Xiong H, Zhang H, Xu Y, Xiao H, Lu Q, Xu B. C-C Coupling Is Unlikely to Be the Rate-Determining Step in the Formation of C 2+ Products in the Copper-Catalyzed Electrochemical Reduction of CO. Angew Chem Int Ed Engl 2021; 61:e202111167. [PMID: 34779566 DOI: 10.1002/anie.202111167] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Indexed: 11/10/2022]
Abstract
The identity of the rate-determining step (RDS) in the electrochemical CO reduction reaction (CORR) on Cu catalysts remains unresolved because: 1) the presence of mass transport limitation of CO; and 2) the absence of quantitative correlation between CO partial pressure (pCO ) and surface CO coverage. In this work, we determined CO adsorption isotherms on Cu in a broad pH range of 7.2-12.9. Together with electrokinetic data, we demonstrate that the reaction orders of adsorbed CO at pCO <0.4 and >0.6 atm are 1st and 0th , respectively, for multi-carbon (C2+ ) products on three Cu catalysts. These results indicate that the C-C coupling is unlikely to be the RDS in the formation of C2+ products in the CORR. We propose that the hydrogenation of CO with adsorbed water is the RDS, and the site competition between CO and water leads to the observed transition of the CO reaction order.
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Affiliation(s)
- Xiaoxia Chang
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.,Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, 19716, USA
| | - Jing Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Haocheng Xiong
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.,State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Haochen Zhang
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yifei Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Hai Xiao
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.,Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, 19716, USA
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13
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Pérez-Martínez L, Machado de los Toyos LM, Shibuya JJT, Cuesta A. Methanol Dehydrogenation on Pt Electrodes: Active Sites and Role of Adsorbed Spectators Revealed through Time-Resolved ATR-SEIRAS. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03870] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Laura Pérez-Martínez
- School of Natural and Computing Sciences, University of Aberdeen, Aberdeen AB24 3UE, Scotland, U.K
| | | | - Jani J. T. Shibuya
- School of Natural and Computing Sciences, University of Aberdeen, Aberdeen AB24 3UE, Scotland, U.K
| | - Angel Cuesta
- School of Natural and Computing Sciences, University of Aberdeen, Aberdeen AB24 3UE, Scotland, U.K
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14
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Li J, Chang X, Zhang H, Malkani AS, Cheng MJ, Xu B, Lu Q. Electrokinetic and in situ spectroscopic investigations of CO electrochemical reduction on copper. Nat Commun 2021; 12:3264. [PMID: 34075039 PMCID: PMC8169934 DOI: 10.1038/s41467-021-23582-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/30/2021] [Indexed: 12/30/2022] Open
Abstract
Rigorous electrokinetic results are key to understanding the reaction mechanisms in the electrochemical CO reduction reaction (CORR), however, most reported results are compromised by the CO mass transport limitation. In this work, we determined mass transport-free CORR kinetics by employing a gas-diffusion type electrode and identified dependence of catalyst surface speciation on the electrolyte pH using in-situ surface enhanced vibrational spectroscopies. Based on the measured Tafel slopes and reaction orders, we demonstrate that the formation rates of C2+ products are most likely limited by the dimerization of CO adsorbate. CH4 production is limited by the CO hydrogenation step via a proton coupled electron transfer and a chemical hydrogenation step of CO by adsorbed hydrogen atom in weakly (7 < pH < 11) and strongly (pH > 11) alkaline electrolytes, respectively. Further, CH4 and C2+ products are likely formed on distinct types of active sites. Electrokinetic results are key to understanding the mechanisms in electrochemical CO reduction reaction. Here, the authors determine mass transport free kinetics using a gas-diffusion electrode and identified dependence of copper surface speciation on the electrolyte pH using in situ surface enhanced spectroscopies.
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Affiliation(s)
- Jing Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, China
| | - Xiaoxia Chang
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA
| | - Haochen Zhang
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, China
| | - Arnav S Malkani
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA
| | - Mu-Jeng Cheng
- Department of Chemistry, National Cheng Kung University, Tainan, Taiwan
| | - Bingjun Xu
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA. .,College of Chemistry and Molecular Engineering, Peking University, Beijing, China.
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, China.
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15
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Carter-Fenk KA, Carter-Fenk K, Fiamingo ME, Allen HC, Herbert JM. Vibrational exciton delocalization precludes the use of infrared intensities as proxies for surfactant accumulation on aqueous surfaces. Chem Sci 2021; 12:8320-8332. [PMID: 34221313 PMCID: PMC8221057 DOI: 10.1039/d1sc01276b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Surface-sensitive vibrational spectroscopy is a common tool for measuring molecular organization and intermolecular interactions at interfaces. Peak intensity ratios are typically used to extract molecular information from one-dimensional spectra but vibrational coupling between surfactant molecules can manifest as signal depletion in one-dimensional spectra. Through a combination of experiment and theory, we demonstrate the emergence of vibrational exciton delocalization in infrared reflection–absorption spectra of soluble and insoluble surfactants at the air/water interface. Vibrational coupling causes a significant decrease in peak intensities corresponding to C–F vibrational modes of perfluorooctanoic acid molecules. Vibrational excitons also form between arachidic acid surfactants within a compressed monolayer, manifesting as signal reduction of C–H stretching modes. Ionic composition of the aqueous phase impacts surfactant intermolecular distance, thereby modulating vibrational coupling strength between surfactants. Our results serve as a cautionary tale against employing alkyl and fluoroalkyl vibrational peak intensities as proxies for concentration, although such analysis is ubiquitous in interface science. Coupling between surfactant molecules at the air/water interface bleeds intensity into a diffuse background, such that single-wavelength vibrational intensity is effectively depleted at high surface coverage.![]()
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Affiliation(s)
| | - Kevin Carter-Fenk
- Department of Chemistry & Biochemistry, The Ohio State University Columbus OH USA
| | - Michelle E Fiamingo
- Department of Chemistry & Biochemistry, The Ohio State University Columbus OH USA
| | - Heather C Allen
- Department of Chemistry & Biochemistry, The Ohio State University Columbus OH USA
| | - John M Herbert
- Department of Chemistry & Biochemistry, The Ohio State University Columbus OH USA
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16
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Chang X, Xiong H, Xu Y, Zhao Y, Lu Q, Xu B. Determining intrinsic stark tuning rates of adsorbed CO on copper surfaces. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01090e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
This work reports a general and effective strategy of determining the intrinsic Stark tuning rate by removing the impact of the dynamical coupling of adsorbed CO on the Cu surface with surface enhanced infrared absorption spectroscopy (SEIRAS).
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Affiliation(s)
- Xiaoxia Chang
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100871, China
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Haocheng Xiong
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100871, China
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yifei Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100871, China
| | - Yaran Zhao
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Bingjun Xu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100871, China
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
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17
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Malkani AS, Li J, Oliveira NJ, He M, Chang X, Xu B, Lu Q. Understanding the electric and nonelectric field components of the cation effect on the electrochemical CO reduction reaction. SCIENCE ADVANCES 2020; 6:6/45/eabd2569. [PMID: 33158873 PMCID: PMC7673714 DOI: 10.1126/sciadv.abd2569] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/22/2020] [Indexed: 05/31/2023]
Abstract
Electrolyte cations affect the activity of surface-mediated electrocatalytic reactions; however, understanding the modes of interaction between cations and reaction intermediates remains lacking. We show that larger alkali metal cations (excluding the thickness of the hydration shell) promote the electrochemical CO reduction reaction on polycrystalline Cu surfaces in alkaline electrolytes. Combined reactivity and in situ surface-enhanced spectroscopic investigations show that changes to the interfacial electric field strength cannot solely explain the reactivity trend with cation size, suggesting the presence of a nonelectric field strength component in the cation effect. Spectroscopic investigations with cation chelating agents and organic molecules show that the electric and nonelectric field components of the cation effect could be affected by both cation identity and composition of the electrochemical interface. The interdependent nature of interfacial species indicates that the cation effect should be considered an integral part of the broader effect of composition and structure of the electrochemical interface on electrode-mediated reactions.
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Affiliation(s)
- A S Malkani
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - J Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - N J Oliveira
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - M He
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - X Chang
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - B Xu
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA.
| | - Q Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
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18
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Baricuatro JH, Kim YG, Tsang CF, Javier AC, Cummins KD, Hemminger JC. Reprint of "Selective conversion of CO into ethanol on Cu(511) surface reconstructed from Cu(pc): Operando studies by electrochemical scanning tunneling microscopy, mass spectrometry, quartz crystal nanobalance, and infrared spectroscopy". J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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19
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Gunathunge CM, Li J, Li X, Waegele MM. Surface-Adsorbed CO as an Infrared Probe of Electrocatalytic Interfaces. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03316] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Charuni M. Gunathunge
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jingyi Li
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Xiang Li
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Matthias M. Waegele
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
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20
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Zhang ZQ, Banerjee S, Thoi VS, Shoji Hall A. Reorganization of Interfacial Water by an Amphiphilic Cationic Surfactant Promotes CO 2 Reduction. J Phys Chem Lett 2020; 11:5457-5463. [PMID: 32524821 DOI: 10.1021/acs.jpclett.0c01334] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The presence of cetyltrimethylammonium bromide (CTAB) near the surface of a Cu electrode promotes the electrochemical reduction of CO2 to fuels. CTAB increases the CO2 reduction rate by as much as 10× and decreased the HER rate by 4×, leading to ∼75% selectivity toward the reduction of CO2. Surface enhanced infrared absorption spectroscopy (SEIRAS) was used to probe the effects of CTAB adsorption on the structure of interfacial water and CO2 reduction intermediates. HER suppression was found to arise from the displacement of interfacial water molecules from CTAB adsorption within the double layer. The enhanced CO2 reduction rate can be correlated to an increased population of atop-bound CO and the emergence of a low frequency atop-CO band. These results unravel the role of additives in improving CO2-to-fuels electrocatalysis and establishing this as a powerful methodology for directing product selectivity.
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Affiliation(s)
- Zhuo-Qun Zhang
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Soumyodip Banerjee
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - V Sara Thoi
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Anthony Shoji Hall
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
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21
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Redfern LR, Lo WS, Dillingham IJ, Eatman JG, Mian MR, Tsung CK, Farha OK. Enhancing Four-Carbon Olefin Production from Acetylene over Copper Nanoparticles in Metal-Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2020; 12:31496-31502. [PMID: 32543827 DOI: 10.1021/acsami.0c08244] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Four-carbon olefins, such as 1-butene and 1,3-butadiene, are important chemical feedstocks for the production of adhesives and synthetic rubber. These compounds are found in the C4 fraction of "green oil" products that can arise during the hydrogenation of acetylene. Here, we demonstrate that control of the catalyst structure increases the yield and productivity of these important olefins with a family of catalyst materials comprising Cu nanoparticles (CuNPs) bound within the pores of Zr-based metal-organic frameworks. Using carbon monoxide as a probe molecule, we characterize the surfaces of these catalytic CuNPs with diffuse reflectance infrared Fourier transform spectroscopy, revealing that the electronic structure of the CuNP surfaces is size-dependent. Furthermore, we find that as the CuNP diameter decreases, the selectivity for C4 products increases and that lowering the stoichiometric ratio of H2/acetylene improves the selectivity and productivity of the catalyst.
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Affiliation(s)
- Louis R Redfern
- International Institute of Nanotechnology and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Wei-Shang Lo
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Ian J Dillingham
- International Institute of Nanotechnology and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Jamila G Eatman
- International Institute of Nanotechnology and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Mohammad Rasel Mian
- International Institute of Nanotechnology and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Chia-Kuang Tsung
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Omar K Farha
- International Institute of Nanotechnology and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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22
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Gunathunge CM, Li J, Li X, Hong JJ, Waegele MM. Revealing the Predominant Surface Facets of Rough Cu Electrodes under Electrochemical Conditions. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05532] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Charuni M. Gunathunge
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jingyi Li
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Xiang Li
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Julie J. Hong
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Matthias M. Waegele
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467, United States
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23
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Selective conversion of CO into ethanol on Cu(511) surface reconstructed from Cu(pc): Operando studies by electrochemical scanning tunneling microscopy, mass spectrometry, quartz crystal nanobalance, and infrared spectroscopy. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113704] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Malkani AS, Li J, Anibal J, Lu Q, Xu B. Impact of Forced Convection on Spectroscopic Observations of the Electrochemical CO Reduction Reaction. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03581] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Arnav S. Malkani
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Jing Li
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, 100084 Beijing, China
| | - Jacob Anibal
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Qi Lu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, 100084 Beijing, China
| | - Bingjun Xu
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
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25
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Kas R, Ayemoba O, Firet NJ, Middelkoop J, Smith WA, Cuesta A. In-Situ Infrared Spectroscopy Applied to the Study of the Electrocatalytic Reduction of CO 2 : Theory, Practice and Challenges. Chemphyschem 2019; 20:2904-2925. [PMID: 31441195 DOI: 10.1002/cphc.201900533] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 08/22/2019] [Indexed: 11/11/2022]
Abstract
The field of electrochemical CO2 conversion is undergoing significant growth in terms of the number of publications and worldwide research groups involved. Despite improvements of the catalytic performance, the complex reaction mechanisms and solution chemistry of CO2 have resulted in a considerable amount of discrepancies between theoretical and experimental studies. A clear identification of the reaction mechanism and the catalytic sites are of key importance in order to allow for a qualitative breakthrough and, from an experimental perspective, calls for the use of in-situ or operando spectroscopic techniques. In-situ infrared spectroscopy can provide information on the nature of intermediate species and products in real time and, in some cases, with relatively high time resolution. In this contribution, we review key theoretical aspects of infrared reflection spectroscopy, followed by considerations of practical implementation. Finally, recent applications to the electrocatalytic reduction of CO2 are reviewed, including challenges associated with the detection of reaction intermediates.
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Affiliation(s)
- Recep Kas
- Department of Chemical Engineering, Delft University of Technology, 2629 HZ, Delft, The Netherlands
| | - Onagie Ayemoba
- School of Natural and Computing Sciences, University of Aberdeen, Aberdeen, AB24 3UE, Scotland, UK
| | - Nienke J Firet
- Department of Chemical Engineering, Delft University of Technology, 2629 HZ, Delft, The Netherlands
| | - Joost Middelkoop
- Department of Chemical Engineering, Delft University of Technology, 2629 HZ, Delft, The Netherlands
| | - Wilson A Smith
- Department of Chemical Engineering, Delft University of Technology, 2629 HZ, Delft, The Netherlands
| | - Angel Cuesta
- School of Natural and Computing Sciences, University of Aberdeen, Aberdeen, AB24 3UE, Scotland, UK
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26
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Lončarić I, Alducin M, Juaristi JI, Novko D. CO Stretch Vibration Lives Long on Au(111). J Phys Chem Lett 2019; 10:1043-1047. [PMID: 30776894 DOI: 10.1021/acs.jpclett.9b00069] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Measured lifetimes of the CO internal stretch mode on various metal surfaces routinely lie in the picosecond regime. These short vibrational lifetimes, which are actually reproduced by current first-principles nonadiabatic calculations, are attributed to the rapid vibrational energy loss that is caused by the facile excitation of electron-hole pairs in metals. However, this explanation was recently questioned by the huge discrepancy that exists for CO on Au(111) between the experimental vibrational lifetime that is larger than 100 ps and the previous theoretical predictions of 4.8 and 1.6 ps. Here, we show that the state-of-the-art nonadiabatic theory does reproduce the long CO lifetime measured in Au(111) provided the molecule-surface interaction is properly described. Importantly, our new results confirm that the current understanding of the adsorbates' vibrational relaxation at metal surfaces is indeed valid.
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Affiliation(s)
- Ivor Lončarić
- Ruđer Bošković Institute , Bijenička 54 , HR-10000 Zagreb , Croatia
- Donostia International Physics Center DIPC , P. Manuel de Lardizabal 4 , 20018 Donostia-San Sebastián , Spain
| | - M Alducin
- Donostia International Physics Center DIPC , P. Manuel de Lardizabal 4 , 20018 Donostia-San Sebastián , Spain
- Centro de Física de Materiales CFM/MPC (CSIC-UPV/EHU) , P. Manuel de Lardizabal 5 , 20018 Donostia-San Sebastián , Spain
| | - J I Juaristi
- Donostia International Physics Center DIPC , P. Manuel de Lardizabal 4 , 20018 Donostia-San Sebastián , Spain
- Centro de Física de Materiales CFM/MPC (CSIC-UPV/EHU) , P. Manuel de Lardizabal 5 , 20018 Donostia-San Sebastián , Spain
- Departamento de Física de Materiales, Facultad de Químicas , Universidad del País Vasco (UPV/EHU) , Apartado 1072 , 20080 Donostia-San Sebastián , Spain
| | - D Novko
- Donostia International Physics Center DIPC , P. Manuel de Lardizabal 4 , 20018 Donostia-San Sebastián , Spain
- Center of Excellence for Advanced Materials and Sensing Devices , Institute of Physics , Bijenička 46 , 10000 Zagreb , Croatia
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27
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Malkani AS, Dunwell M, Xu B. Operando Spectroscopic Investigations of Copper and Oxide-Derived Copper Catalysts for Electrochemical CO Reduction. ACS Catal 2018. [DOI: 10.1021/acscatal.8b04269] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Arnav S. Malkani
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Marco Dunwell
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Bingjun Xu
- Center for Catalytic Science and Technology, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
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28
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Kokalj A, Makino T, Okada M. DFT and TPD study of the role of steps in the adsorption of CO on copper: Cu(4 1 0) versus Cu(1 0 0). JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2017; 29:194001. [PMID: 28291017 DOI: 10.1088/1361-648x/aa66a3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Adsorption of carbon monoxide (CO) was studied on stepped Cu(4 1 0) by temperature programmed desorption (TPD) and density-functional-theory (DFT) calculations. For comparison, the adsorption of CO was characterized also on Cu(1 0 0) by DFT calculations. On Cu(4 1 0) TPD reveals two desorption peaks: a high temperature peak (∼210 K) is attributed to the desorption of CO from step-edge sites and low temperature peak (∼170 K) to desorption from terrace sites. According to DFT calculations, CO prefers to adsorb at step-edges of Cu(4 1 0), although the step-edge versus terrace site preference is rather small at low coverage of 1/16 ML, about 0.05 eV; the respective DFT predicted CO binding energies are -0.89 and -0.84 eV at the step-edge and terrace top sites, whereas the value calculated at top sites of Cu(1 0 0) is -0.86 eV. Although this small step-edge over terrace site preference of 0.05 eV cannot explain the temperature difference of 40 K between the two TPD peaks, when the lateral intermolecular interactions are neglected, it is sufficient that the CO adsorbs almost exclusively at step-edges at low coverage (at 200 K the 0.05 eV corresponds to 3 kT). The emergence of the two TPD peaks on Cu(4 1 0) is therefore attributed to a combination of step-edge preference and lateral repulsion between CO molecules, which increases with increasing coverages and diminishes the net desorption energy of CO. DFT calculations further reveal that the reason for the significant increase of saturation coverage on Cu(4 1 0) compared to Cu(1 0 0) is related to the geometry of the step-edge that allows the CO molecules adsorbed thereon to tilt away from the nearest neighboring CO molecules adsorbed at the terrace and therefore to effectively reduce the lateral repulsion.
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Affiliation(s)
- Anton Kokalj
- Department of Physical and Organic Chemistry, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
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Inoue KI, Watanabe K, Sugimoto T, Matsumoto Y, Yasuike T. Disentangling Multidimensional Nonequilibrium Dynamics of Adsorbates: CO Desorption from Cu(100). PHYSICAL REVIEW LETTERS 2016; 117:186101. [PMID: 27834990 DOI: 10.1103/physrevlett.117.186101] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Indexed: 06/06/2023]
Abstract
Hot carriers at metal surfaces can drive nonthermal reactions of adsorbates. Characterizing nonequilibrium statistics among various degrees of freedom in an ultrafast time scale is crucial to understand and develop hot carrier-driven chemistry. Here we demonstrate multidimensional vibrational dynamics of carbon monoxide (CO) on Cu(100) along hot-carrier induced desorption studied by using time-resolved vibrational sum-frequency generation with phase-sensitive detection. Instantaneous frequency and amplitude of the CO internal stretching mode are tracked with a subpicosecond time resolution that is shorter than the vibrational dephasing time. These experimental results in combination with numerical analysis based on Langevin simulations enable us to extract nonequilibrium distributions of external vibrational modes of desorbing molecules. Superstatistical distributions are generated with mode-dependent frictional couplings in a few hundred femtoseconds after hot-electron excitation, and energy flow from hot electrons and intermode anharmonic coupling play crucial roles in the subsequent evolution of the non-Boltzman distributions.
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Affiliation(s)
- Ken-Ichi Inoue
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Kazuya Watanabe
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Toshiki Sugimoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Yoshiyasu Matsumoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Tomokazu Yasuike
- Department of Liberal Arts, The Open University of Japan, Chiba 261-8586, Japan
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Godowski PJ, Onsgaard J. Low temperature adsorption of CO on modified, vicinal Cu(100) surfaces: A comparative study. CHINESE JOURNAL OF CATALYSIS 2014. [DOI: 10.1016/s1872-2067(12)60747-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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31
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Letendre LT, McNavage W, Pibel C, Liu DK, Dai HL. Time-Resolved FTIR Emission Spectroscopy of Transient Radicals. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200500095] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Hancock M, Fein C, Tobin RG. Copper-on-copper homoepitaxy studied by infrared spectroscopy of adsorbed CO. J Chem Phys 2010; 133:164701. [DOI: 10.1063/1.3503970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Abstract
Reactions of laser-ablated copper atoms with carbon monoxide and dinitrogen in excess argon have been investigated by matrix-isolation infrared spectroscopy. The NNCuCO and (NN)(2)CuCO complexes, as well as copper carbonyls, are formed as reaction products during sample deposition and further annealing whereas no copper dinitrogen complexes were observed. These carbonylcopper dinitrogen complexes are characterized on the basis of the results of the isotopic substitution and the reagent concentration change. Density functional theory calculations of the geometry structures, vibrational frequencies, relative absorption intensities, and isotopic shifts strongly support the experimental assignments. The experimental results reveal promoted adsorption of N(2) on Cu atoms by preadsorbed CO. The theoretical results for reaction characteristics between the coadsorbed CO and N(2) agree with the experimental findings. The joint investigations provide insights with regard to CO and N(2) cooperative adsorption effects and consequent reaction mechanisms.
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Affiliation(s)
- Zhang-Hui Lu
- National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
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Lin YS, Lin JS, Liao YH, Yang CM, Kuo CW, Lin HP, Fan LJ, Yang YW, Lin JL. Reaction pathways of 2-iodoacetic acid on Cu(100): coverage-dependent competition between C-I bond scission and COOH deprotonation and identification of surface intermediates. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:8218-8225. [PMID: 20356026 DOI: 10.1021/la904576z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The chemistry of 2-iodoacetic acid on Cu(100) has been studied by a combination of reflection-absorption infrared spectroscopy (RAIRS), X-ray photoelectron spectroscopy (XPS), temperature-programmed reaction/desorption (TPR/D), and theoretical calculations based on density functional theory for the optimized intermediate structures. In the thermal decomposition of ICH(2)COOH on Cu(100) with a coverage less than a half monolayer, three surface intermediates, CH(2)COO, CH(3)COO, and CCOH, are generated and characterized spectroscopically. Based on their different thermal stabilities, the reaction pathways of ICH(2)COOH on Cu(100) at temperatures higher than 230 K are established to be ICH(2)COOH --> CH(2)COO + H + I, CH(2)COO + H --> CH(3)COO, and CH(3)COO --> CCOH. Theoretical calculations suggest that the surface CH(2)COO has the skeletal plane, with delocalized pi electrons, approximately parallel to the surface. The calculated Mulliken charges agree with the detected binding energies for the two carbon atoms in CH(2)COO on Cu(100). The CCOH derived from CH(3)COO decomposition has a CC stretching frequency at 2025 cm(-1), reflecting its triple-bond character which is consistent with the calculated CCOH structure on Cu(100). Theoretically, CCOH at the bridge and hollow sites has a similar stability and is adsorbed with the molecular axis approximately perpendicular to the surface. The TPR/D study has shown the evolution of the products of H(2), CH(4), H(2)O, CO, CO(2), CH(2)CO, and CH(3)COOH from CH(3)COO decomposition between 500 and 600 K and the formation of H(2) and CO from CCOH between 600 and 700 K. However, at a coverage near one monolayer, the major species formed at 230 and 320 K are proposed to be ICH(2)COO and CH(3)COO. CH(3)COO becomes the only species present on the surface at 400 K. That is, there are two reaction pathways of ICH(2)COOH --> ICH(2)COO + H and ICH(2)COO + H --> CH(3)COO + I (possibly via CH(2)COO), which are different from those observed at lower coverages. Because the C-I bond dissociation of iodoethane on copper single crystal surfaces occurs at approximately 120 K and that the deprotonation of CH(3)COOH on Cu(100) occurs at approximately 220 K, the preferential COOH dehydrogenation of monolayer ICH(2)COOH is an interesting result, possibly due to electronic and/or steric effects.
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Affiliation(s)
- Yi-Shiue Lin
- Department of Chemistry, National Cheng Kung University 1, Ta Hsueh Road, Tainan, Taiwan, ROC
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Liu C, Tobin RG. Bonding-site dependence of surface resistivity: CO on epitaxial Cu(100) films. J Chem Phys 2007; 126:124705. [PMID: 17411150 DOI: 10.1063/1.2672832] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The authors have measured the contribution of CO adsorbed on different bonding sites to the resistivity of epitaxial Cu(100) films. Through an analysis of the correlation between surface resistivity and temperature-programed desorption measurements, CO on terraces is found to affect the resistance much more strongly than CO on defect sites. Two possible explanations are considered: a reduced scattering cross section of defect CO owing to the different local electronic structure at defect sites or strong scattering by the bare defect that is not significantly affected by the adsorption of CO.
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Affiliation(s)
- Chang Liu
- Department of Physics and Astronomy, Tufts University, Medford, Massachusetts 02155, USA
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Koga O, Teruya S, Matsuda K, Minami M, Hoshi N, Hori Y. Infrared spectroscopic and voltammetric study of adsorbed CO on stepped surfaces of copper monocrystalline electrodes. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2004.10.076] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Borguet E, Dai HL. Probing Surface Short Range Order and Inter-Adsorbate Interactions through IR Vibrational Spectroscopy: CO on Cu(100). J Phys Chem B 2005; 109:8509-12. [PMID: 16852000 DOI: 10.1021/jp040527o] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
It is demonstrated that surface vibrational spectroscopy can be used to probe local ordering of adsorbates and the nature of inter-adsorbate interactions through dynamical dipole coupling among neighboring adsorbates. Our studies show that for CO adsorbed on Cu(100), first and second nearest neighbor interactions are repulsive. This repulsion prevents the formation of long range ordered structures at low and medium coverages and can be best understood as an adsorbate induced modification in the local electron density, i.e., Friedel oscillation.
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Affiliation(s)
- Eric Borguet
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, USA
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38
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Salimon J, Hernández-Romero R, Kalaji M. The dynamics of the conversion of linear to bridge bonded CO on Cu. J Electroanal Chem (Lausanne) 2002. [DOI: 10.1016/s0022-0728(02)01052-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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39
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Linke R, Curulla D, Hopstaken MJP, Niemantsverdriet JW. CO/Rh(111): Vibrational frequency shifts and lateral interactions in adsorbate layers. J Chem Phys 2001. [DOI: 10.1063/1.1355767] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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40
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Trenary M. Reflection absorption infrared spectroscopy and the structure of molecular adsorbates on metal surfaces. Annu Rev Phys Chem 2000; 51:381-403. [PMID: 11031287 DOI: 10.1146/annurev.physchem.51.1.381] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Infrared (IR) spectroscopy is widely used to identify molecular adsorbates that form on metals in the course of surface chemical reactions. Because IR spectroscopy is one of the few surface-sensitive probes that provide molecule-specific information without perturbing the chemisorbed state, there is great interest in extracting as much structural information from the spectra as possible. The various ways IR spectroscopy is used to determine the structure of molecular adsorbates, from strictly qualitative interpretations based on symmetry selection rules to the use of ab initio electronic structure calculations to predict the IR spectrum of a chemisorbed molecule, are reviewed.
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Affiliation(s)
- M Trenary
- Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607-7061, USA.
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41
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Celio H, Trenary M. Infrared intensity enhancement of the CN stretch of HCN by coadsorbed CO on the Cu(100) surface. PHYSICAL REVIEW LETTERS 2000; 84:4902-4905. [PMID: 10990827 DOI: 10.1103/physrevlett.84.4902] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/1999] [Indexed: 05/23/2023]
Abstract
Reflection absorption infrared spectra reveal a strong enhancement in the intensity of the CN stretch in a mixed ordered overlayer of HCN and CO on the Cu(100) surface. Various combinations of HCN and CO isotopomers show that the intensity enhancement decreases with increasing frequency difference between nu(CN) and nu(CO). The intensity of the 2092 cm(-1) band of H12C14N is enhanced by a factor of 155+/-20 through coupling to the 2077 cm(-1) band of 12C16O. A simple two-state coupling model explains the isotopomer dependence of the degree of enhancement.
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Affiliation(s)
- H Celio
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, USA
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42
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Dvorak J, Dai HL. Optical reflectivity changes induced by adsorption on metal surfaces: The origin and applications to monitoring adsorption kinetics. J Chem Phys 2000. [DOI: 10.1063/1.480722] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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43
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Zhou M, Andrews L. Infrared spectra and density functional calculations of Cu(CO)1–4+, Cu(CO)1–3, and Cu(CO)1–3− in solid neon. J Chem Phys 1999. [DOI: 10.1063/1.479216] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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44
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Lewis SP, Rappe AM. Structural and vibrational properties of carbon monoxide adlayers on the copper (001) surface. J Chem Phys 1999. [DOI: 10.1063/1.478344] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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45
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Graham AP, Hofmann F, Toennies JP, Williams GP, Hirschmugl CJ, Ellis J. A high resolution helium atom scattering and far infrared study of the dynamics and the lateral potential energy surface of CO molecules chemisorbed on Cu(001). J Chem Phys 1998. [DOI: 10.1063/1.476219] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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46
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Kim CS, Korzeniewski C. Vibrational Coupling as a Probe of Adsorption at Different Structural Sites on a Stepped Single-Crystal Electrode. Anal Chem 1997; 69:2349-53. [DOI: 10.1021/ac961306k] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chung S. Kim
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061
| | - Carol Korzeniewski
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061
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47
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McGuire GE, Weiss PS, Kushmerick JG, Johnson JA, Simko SJ, Nemanich RJ, Parikh NR, Chopra DR. Surface Characterization. Anal Chem 1997. [DOI: 10.1021/a1970009h] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- G. E. McGuire
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - P. S. Weiss
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - J. G. Kushmerick
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - J. A. Johnson
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - Steve J. Simko
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - R. J. Nemanich
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - Nalin R. Parikh
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
| | - D. R. Chopra
- Center for Microelectronics, MCNC, 3021 Cornwallis Road, P.O. Box 12889, Research Triangle Park, North Carolina 27709
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48
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Hofmann F, Toennies JP. High-Resolution Helium Atom Time-of-Flight Spectroscopy of Low-Frequency Vibrations of Adsorbates. Chem Rev 1996; 96:1307-1326. [PMID: 11848791 DOI: 10.1021/cr9502209] [Citation(s) in RCA: 136] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Frank Hofmann
- Max Planck Institut für Strömungsforschung, Bunsenstrasse 10, 37073 Göttingen, Germany
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49
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Schmidt ME, Guyot‐Sionnest P. Electrochemical tuning of the lifetime of the CO stretching vibration for CO/Pt(111). J Chem Phys 1996. [DOI: 10.1063/1.470938] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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50
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