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Li Z, Qian W, Guo H, Long X, Tang Y, Zheng J. Electrostatic Self‐Assembled Bracelet‐Like Au@Pt Nanoparticles: An Efficient Electrocatalyst for Highly Sensitive Non‐Enzymatic Hydrogen Peroxide Sensing. ChemElectroChem 2020. [DOI: 10.1002/celc.202000019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zhi Li
- College of Pharmacy Shaanxi University of Chinese Medicine Xianyang Shaanxi 712046 China
| | - Weina Qian
- The Affiliated Hospital of Shaanxi University of Chinese Medicine Xianyang Shaanxi 712000
| | - Hui Guo
- College of Pharmacy Shaanxi University of Chinese Medicine Xianyang Shaanxi 712046 China
| | - Xu Long
- College of Pharmacy Shaanxi University of Chinese Medicine Xianyang Shaanxi 712046 China
| | - Yuping Tang
- College of Pharmacy Shaanxi University of Chinese Medicine Xianyang Shaanxi 712046 China
| | - Jianbin Zheng
- College of Chemistry and Materials Science Institute of Analytical Science Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry Northwest University Xi'an Shaanxi 710069 China
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Yasuda T, Maeda Y, Matsuzaki K, Okazaki Y, Oda R, Kitada A, Murase K, Fukami K. Spontaneous Symmetry Breaking of Nanoscale Spatiotemporal Pattern as the Origin of Helical Nanopore Etching in Silicon. ACS APPLIED MATERIALS & INTERFACES 2019; 11:48604-48611. [PMID: 31794191 DOI: 10.1021/acsami.9b18025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nanometric chiral objects such as twisted or helical nanoribbons represent a new class of objects having important potential in a large panel of applications, taking advantage, for example, of electromechanical or optical chirality, local chiral environment for catalysis, and chiral recognition. Supramolecular chemistry has played a central role in the production of such structures through either chiral macromolecules/foldamers or the self-assembly of chiral molecules; the latter can also be used as templates for the sol-gel transcription to silica materials, offering them polymorphisms with further structural stability. Here, we report a totally different and dynamic approach to produce helical mesostructures. This study focuses on helical nanopores that are spontaneously formed in the platinum-assisted chemical etching of silicon by dynamic self-organization under a nonequilibrium state. The symmetry breaking of a helical nanopore formation is achieved by the spatial symmetry breaking of a spatiotemporal pattern at the nanoscale and without incorporation of chiral molecules. Rotational motion of the platinum nanocatalyst, which is regarded as a spatiotemporal pattern at the etching frontier (the platinum/silicon interface), induces precession movement of the nanocatalyst, and movement of the catalyst during etching forms helical nanopores in the silicon. We consider that this study is an important milestone to understand the close relation between spatiotemporal pattern formation and the dynamic emergence of symmetry breaking in chemical reactions.
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Affiliation(s)
| | | | | | - Yutaka Okazaki
- Institute de Chimie et Biologie des Membranes & des Nanoobjets (UMR5248 CBMN) , CNRS, Université de Bordeaux, Bordeaux INP , 33607 Pessac , France
| | - Reiko Oda
- Institute de Chimie et Biologie des Membranes & des Nanoobjets (UMR5248 CBMN) , CNRS, Université de Bordeaux, Bordeaux INP , 33607 Pessac , France
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3
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Peng M, Zhao Y, Chen D, Tan Y. Free‐Standing 3D Electrodes for Electrochemical Detection of Hydrogen Peroxide. ChemCatChem 2019. [DOI: 10.1002/cctc.201900913] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ming Peng
- College of Materials Science and EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Yang Zhao
- College of Materials Science and EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Dechao Chen
- College of Materials Science and EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Yongwen Tan
- College of Materials Science and EngineeringHunan University Changsha Hunan 410082 P. R. China
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4
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5
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Transient chaotic behavior during simultaneous occurrence of two electrochemical oscillations. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-015-2813-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Mikhailenko SD, Celso F, Kaliaguine S. Properties of SPEEK based membranes modified with a free radical scavenger. J Memb Sci 2009. [DOI: 10.1016/j.memsci.2009.09.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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7
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Quantitative Modeling of the Oscillatory Electrooxidation of Hydrogen on Pt in the Presence of Poisons. ACTA ACUST UNITED AC 2009. [DOI: 10.1524/zpch.217.4.365.20387] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
A quantitative model of oscillations observed during hydrogen oxidation on platinum in the presence of electrosorbing metal ions and specifically adsorbing anions is presented and the model predictions are compared with experiments. Mass and charge balances of all reactants lead in a first step to a seven variable model which is governed by reaction steps that have been widely studied. We demonstrate that attractive interactions between metal and halide ions on the electrode surface, which were recently reported, are crucial for the observed dynamics. The model parameters were almost exclusively taken out of the literature. The model is then reduced to its minimal form without losing dynamic features arriving at a four variable system. Experimental time series of three of the four variables of the model and measured bifurcation diagrams are presented. It is shown that the integrated time evolution and the calculated bifurcation diagrams of the model agree almost quantitatively with the experiment.
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8
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Han Z, Li W, Huang Y, Zheng B. Measuring Rapid Enzymatic Kinetics by Electrochemical Method in Droplet-Based Microfluidic Devices with Pneumatic Valves. Anal Chem 2009; 81:5840-5. [DOI: 10.1021/ac900811y] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zuoyan Han
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, and Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China
| | - Wentao Li
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, and Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China
| | - Yanyi Huang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, and Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China
| | - Bo Zheng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, and Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing 100871, China
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9
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J Rodríguez-Vázquez M, Blanco MC, Lourido R, Vázquez-Vázquez C, Pastor E, Planes GA, Rivas J, López-Quintela MA. Synthesis of atomic gold clusters with strong electrocatalytic activities. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:12690-12694. [PMID: 18850689 DOI: 10.1021/la8018474] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Small atomic gold clusters in solution, Au n , stabilized by tetrabutyl ammonium bromide (TBABr), have been synthesized by a simple electrochemical technique, based on the anodic dissolution of a gold electrode in the presence of TBABr salt, and using acetronitrile as solvent. The presence of clusters in the range Au3-Au11 were detected by MALDI-TOF spectroscopy, and further characterized by UV-vis absorption spectroscopy, TEM, AFM, X-ray diffraction, and cyclic voltammetry. Clusters display a semiconductor behavior with a band edge of approximately 2.5 eV. We report here their extraordinarily high electrocatalytic activity toward the O2 reduction reaction in acid solutions, which can explain Zhang's results, showing that a four-electron mechanism seems to occur because of the facile reduction of H2O2 on gold clusters compared to bulk gold or larger gold nanoparticles.
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Affiliation(s)
- María J Rodríguez-Vázquez
- Laboratory of Magnetism and Nanotechnology, Technological Research Institute, University of Santiago de Compostela, Spain.
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10
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Wang Y, Balbuena PB. Ab initio molecular dynamics simulations of the oxygen reduction reaction on a Pt(111) surface in the presence of hydrated hydronium (H3O)(+)(H2O)2: direct or series pathway? J Phys Chem B 2007; 109:14896-907. [PMID: 16852887 DOI: 10.1021/jp050241z] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Car-Parrinello molecular dynamics simulations have been performed to investigate the oxygen reduction reaction (ORR) on a Pt(111) surface at 350 K. By progressive loading of (H3O)(+)(H2O)(2,3) + e- into a simulation cell containing a Pt slab and O2 for the first reduction step, and either products or intermediate species for the subsequent reduction steps, the detailed mechanisms of the ORR are well illustrated via monitoring MD trajectories and analyzing Kohn-Sham electronic energies. A proton transfer is found to be involved in the first reduction step; depending on the initial proton-oxygen distance, on the degree of proton hydration, and on the surface charge, such transfer may take place either earlier or later than the O2 chemisorption, in all cases forming an adsorbed end-on complex H-O-O*. Decomposition of H-O-O* takes place with a rather small barrier, after a short lifetime of approximately 0.15 ps, yielding coadsorbed oxygen and hydroxyl (O + HO*). Formation of the one-end adsorbed hydrogen peroxide, HOO*H, is observed via the reduction of H-O-O*, which suggests that the ORR may also proceed via HOO*H, i.e., a series pathway. However, HOO*H readily dissociates homolytically into two coadsorbed hydroxyls (HO* + HO*) rather than forming a dual adsorbed HOOH. Along the direct pathway, the reduction of H-O* + O* yields two possible products, O* + H2O* and HO* + HO*. Of the three intermediates from the second electron-transfer step, HOO*H from the series pathway has the highest energy, followed by O* + H2O* and HO* + HO* from the direct pathway. It is therefore theoretically validated that the O2 reduction on a Pt surface may proceed via a parallel pathway, the direct and series occurring simultaneously, with the direct as the dominant step.
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Affiliation(s)
- Yixuan Wang
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, Texas 77843
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11
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Hammami F, Nasr S, Bellissent-Funel MC, Oumezzine M. Neutron scattering experiments on fully deuterated liquid N-methylformamide DCONDCD3 at various temperatures and under pressure. Comparison to X-ray results. J Phys Chem B 2007; 109:16169-75. [PMID: 16853054 DOI: 10.1021/jp0502095] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Neutron scattering experiments are performed on fully deuterated liquid N-methylformamide (C2D5NO) at various temperatures and under pressure. The recorded data at atmospheric pressure and room temperature are analyzed to yield the molecular form factor and the distinct pair correlation function. Our measurements clearly show that the hydrogen-bond network, of which the parameters are deduced, persists locally in the liquid. The experimental structure factor could be explained in terms of short-range crystal structure. The r(N...O) distance decreases with increasing temperature from 293 to 398 K, whereas no significant variation of the intermolecular structure is detected when varying pressure from 1 bar to 4 kbar. Along the study, some comparison is made with complementary X-ray results.
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Affiliation(s)
- Férid Hammami
- Laboratoire Physico-Chimie des Matériaux, Département de Physique, Faculté des Sciences de Monastir, 5019 Tunisie, France
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12
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Mukouyama Y, Kikuchi M, Samjeské G, Osawa M, Okamoto H. Potential Oscillations in Galvanostatic Electrooxidation of Formic Acid on Platinum: A Mathematical Modeling and Simulation. J Phys Chem B 2006; 110:11912-7. [PMID: 16800494 DOI: 10.1021/jp061129j] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have modeled temporal potential oscillations during the electrooxidation of formic acid on platinum on the basis of the experimental results obtained by time-resolved surface-enhanced infrared absorption spectroscopy (J. Phys. Chem. B 2005, 109, 23509). The model was constructed within the framework of the so-called dual-path mechanism; a direct path via a reactive intermediate and an indirect path via strongly bonded CO formed by dehydration of formic acid. The model differs from earlier ones in the intermediate in the direct path. The reactive intermediate in this model is formate, and the oxidation of formate to CO2 is rate-determining. The reaction rate of the latter process is represented by a second-order rate equation. Simulations using this model well reproduce the experimentally observed oscillation patterns and the temporal changes in the coverages of the adsorbed formate and CO. Most properties of the voltammetric behavior of formic acid, including the potential dependence of adsorbate coverages and a negative differential resistance, are also reproduced.
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Affiliation(s)
- Yoshiharu Mukouyama
- College of Science and Engineering, Tokyo Denki University, Hatoyama, Saitama 350-0394, Japan.
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13
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Sakai SI, Nakanishi S, Nakato Y. Mechanisms of Oscillations and Formation of Nano-Scale Layered Structures in Induced Co-Deposition of Some Iron-Group Alloys (Ni−P, Ni−W, and Co−W), Studied by an In Situ Electrochemical Quartz Crystal Microbalance Technique. J Phys Chem B 2006; 110:11944-9. [PMID: 16800499 DOI: 10.1021/jp061282d] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have investigated mechanisms of oscillations and formation of nano-scale layered structures in induced co-deposition of some iron-group alloys (Ni-P, Ni-W, and Co-W) that have unique properties and are widely used in industries. Detailed in situ electrochemical quartz crystal microbalance (EQCM) experiments have revealed that the electrodeposition (induced co-deposition) of the alloys has negative differential resistances (NDRs), from which the oscillations and the layer-structure formation arise. The NDRs, however, cannot necessarily be seen in current-potential curves owing to overlap of hydrogen evolution current, indicating that the oscillations are of a hidden-NDR (H-NDR) type. The EQCM experiments have also shown that electrolyte components (such as H2PO2- and WO4(2-)) or related species are adsorbed at the electrode (deposit) surface and act as a promoter for the co-deposition reaction and that the NDRs arise from desorption of the adsorbed promoter. Interestingly, the adsorbed promoter is drawn into the deposition reaction itself, thus resulting in the alloy deposits. This mechanism was supported by in situ EQCM investigations of the oscillation as well as Auger electron spectroscopic (AES) analyses of deposits formed during the oscillation. The present work has for the first time clarified a general mechanism for the induced co-deposition reactions of some industrially important iron-group alloys (Ni-P, Ni-W, and Co-W).
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Affiliation(s)
- Sho-ichiro Sakai
- Division of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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14
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Miller B, Chen A. Oscillatory instabilities during the electrochemical oxidation of sulfide on a Pt electrode. J Electroanal Chem (Lausanne) 2006. [DOI: 10.1016/j.jelechem.2006.01.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Li X, Heryadi D, Gewirth AA. Electroreduction activity of hydrogen peroxide on Pt and Au electrodes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2005; 21:9251-9. [PMID: 16171359 DOI: 10.1021/la0508745] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogen peroxide electroreduction on both catalytically active Pt and inactive Au surfaces are studied by using both surface-enhanced Raman spectroscopy (SERS) and density functional theory (DFT) calculations. SERS measurements on Pt show the presence of Pt-OH at negative potentials, which suggests that hydroxide is formed as an intermediate during the electroreduction process. Additionally, the O-O stretch mode of H(2)O(2) is observed on Pt, which shifts to lower energy as potential is swept negatively, indicating that the O-O bond is elongated. For comparison, there is no variation in the energy of the same O-O mode on Au surfaces, and there is no observation of Au-OH. DFT calculations show that H(2)O(2) adsorption on Pt(110) results in the dissociation of O-O bond and the formation of Pt-OH bond. On Au, O-O bond elongation is calculated to occur only on the (110) face. However, the magnitude of the elongation is much smaller than that found on Pt(110).
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Affiliation(s)
- Xiao Li
- Department of Chemistry, and Fredrick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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16
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Tada T, Fukami K, Nakanishi S, Yamasaki H, Fukushima S, Nagai T, Sakai SI, Nakato Y. Tuning of the spacing and thickness of metal latticeworks by modulation of self-organized potential oscillations in tin (Sn) electrodeposition. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2005.01.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Wang Y, Balbuena PB. Potential Energy Surface Profile of the Oxygen Reduction Reaction on a Pt Cluster: Adsorption and Decomposition of OOH and H2O2. J Chem Theory Comput 2005; 1:935-43. [DOI: 10.1021/ct0500794] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yixuan Wang
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, Texas 77843
| | - Perla B. Balbuena
- Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, Texas 77843
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18
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Effect of concentration and temperature on electrochemical oscillations during sulfide oxidation on Ti/Ta2O5–IrO2 electrodes. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2004.10.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Bromide ions induced chaotic behavior in H2O2–H2SO4–Pt electrochemical system. J Solid State Electrochem 2004. [DOI: 10.1007/s10008-004-0609-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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20
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Nakanishi S, Fukami K, Tada T, Nakato Y. Metal Latticeworks Formed by Self-Organization in Oscillatory Electrodeposition. J Am Chem Soc 2004; 126:9556-7. [PMID: 15291556 DOI: 10.1021/ja047042y] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Strikingly well-ordered Sn latticeworks, standing perpendicular to the substrate, are formed spontaneously in oscillatory electrodeposition. Cooperation of various processes, such as needle formation by autocatalytic crystal growth, cuboid formation under a reaction-limited condition, and autocatalytic oxidation at closest-packed surfaces, enabled the self-organization of the latticeworks. The mechanism is generally applicable to deposition of other metals such as Zn, Pb, and Cu. The present work has opened a promising, unique field toward the formation of highly ordered 3-D micro- or nanostructures at solid surfaces.
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Affiliation(s)
- Shuji Nakanishi
- Division of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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21
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Chen A, Miller B. Potential Oscillations during the Electrocatalytic Oxidation of Sulfide on a Microstructured Ti/Ta2O5-IrO2 Electrode. J Phys Chem B 2004. [DOI: 10.1021/jp036639h] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aicheng Chen
- Department of Chemistry, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada
| | - Brad Miller
- Department of Chemistry, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada
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22
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Li X, Gewirth AA. Peroxide electroreduction on bi-modified Au surfaces: vibrational spectroscopy and density functional calculations. J Am Chem Soc 2003; 125:7086-99. [PMID: 12783562 DOI: 10.1021/ja034125q] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The mechanism of the electroreduction of peroxide on Bi-submonolayer-modified Au(111) surfaces is examined using surface-enhanced Raman scattering (SERS) measurements along with detailed density functional theory (DFT) calculations. The spectroscopy shows the presence of Bi-OH and Bi-O species at potentials just positive of that where peroxide is reduced. These species are not present in solutions absent either peroxide or Bi. DFT calculations show that peroxide is unstable relative to Bi-OH when Bi is present in the (2 x 2) configuration on Au(111) known from previous work to be catalytically active. The spacing between Bi adatoms is such that peroxide association with two Bi cannot occur without O-O bond cleavage. The full Bi monolayer is catalytically inactive and exhibits none of the Bi-OH or Bi-O signals seen for the active surface. The calculations show that as the Bi coverage becomes greater and the Bi adatom spacing becomes smaller, peroxide can adsorb on Bi without O-O bond rupture. These results indicate an important role for M-OH species in peroxide electroreduction.
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Affiliation(s)
- Xiao Li
- Department of Chemistry and Fredrick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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23
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Matsumoto F, Uesugi S, Koura N, Ohsaka T. Enhancement of electrochemical reduction of hydrogen peroxide and observation of current oscillatory phenomena during its reduction on a mercury adatom-modified Au electrode. J Electroanal Chem (Lausanne) 2003. [DOI: 10.1016/s0022-0728(03)00222-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Wu X, Wang F, Jin L, Li H, Zhang Z. An Electrochemical Quartz Crystal Microbalance Study of the Electrochemical Oscillation in H 2O 2-Reduction Reaction. CHEM LETT 2002. [DOI: 10.1246/cl.2002.332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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25
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Nakanishi S, Sakai SI, Hatou M, Mukouyama Y, Nakato Y. Oscillatory Peroxodisulfate Reduction on Pt and Au Electrodes under High Ionic Strength Conditions, Caused by the Catalytic Effect of Adsorbed OH. J Phys Chem B 2002. [DOI: 10.1021/jp013275p] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shuji Nakanishi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and Research Center for Solar Energy Chemistry, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Sho-ichiro Sakai
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and Research Center for Solar Energy Chemistry, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Michiru Hatou
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and Research Center for Solar Energy Chemistry, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshiharu Mukouyama
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and Research Center for Solar Energy Chemistry, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshihiro Nakato
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, and Research Center for Solar Energy Chemistry, Osaka University, Toyonaka, Osaka 560-8531, Japan
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26
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Mukouyama Y, Nakanishi S, Konishi H, Ikeshima Y, Nakato Y. New-Type Electrochemical Oscillation Caused by Electrode−Surface Inhomogeneity and Electrical Coupling as Well as Solution Stirring through Electrochemical Gas Evolution Reaction. J Phys Chem B 2001. [DOI: 10.1021/jp012461s] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoshiharu Mukouyama
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Shuji Nakanishi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Hidemitsu Konishi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yusuke Ikeshima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshihiro Nakato
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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27
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UESUGI S, KATSUMATA T, MATSUMOTO F, KOURA N, OHSAKA T. Electrochemical Oscillatory Phenomena during Reduction of Hydrogen Peroxide on Mercury Adatom-modified Au Electrode. ELECTROCHEMISTRY 2001. [DOI: 10.5796/electrochemistry.69.681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Shinji UESUGI
- Faculty of Science and Technology, Tokyo University of Science
| | | | | | - Nobuyuki KOURA
- Faculty of Science and Technology, Tokyo University of Science
| | - Takeo OHSAKA
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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28
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Mukouyama Y, Nakanishi S, Chiba T, Murakoshi K, Nakato Y. Mechanisms of Two Electrochemical Oscillations of Different Types, Observed for H2O2 Reduction on a Pt Electrode in the Presence of a Small Amount of Halide Ions. J Phys Chem B 2001. [DOI: 10.1021/jp0104381] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yoshiharu Mukouyama
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Shuji Nakanishi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Takehiro Chiba
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Kei Murakoshi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshihiro Nakato
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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29
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Nakanishi S, Mukouyama Y, Nakato Y. Catalytic Effect of Adsorbed Iodine Atoms on Hydrogen Peroxide Reduction at Single-Crystal Pt Electrodes, Causing Enhanced Current Oscillations. J Phys Chem B 2001. [DOI: 10.1021/jp0104684] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shuji Nakanishi
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetic of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshiharu Mukouyama
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetic of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshihiro Nakato
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetic of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
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30
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Mukouyama Y, Nishimura T, Nakanishi S, Nakato Y. Roles of Local Deviations and Fluctuations of the Helmholtz-Layer Potential in Transitions from Stationary to Oscillatory Currents in an “H2O2 − Acid−Pt” Electrochemical System. J Phys Chem B 2000. [DOI: 10.1021/jp001701l] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoshiharu Mukouyama
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Takashi Nishimura
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Shuji Nakanishi
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Yoshihiro Nakato
- Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University, Toyonaka, Osaka 560-8531, Japan
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