1
|
Miura M, Sugiyama A, Oshikiri Y, Morimoto R, Mogi I, Miura M, Yamauchi Y, Aogaki R. Excess heat production of the pair annihilation of ionic vacancies in a copper redox reaction using a double bipolar MHD electrode. Sci Rep 2024; 14:1424. [PMID: 38228645 PMCID: PMC10792075 DOI: 10.1038/s41598-024-51834-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 01/10/2024] [Indexed: 01/18/2024] Open
Abstract
Through a copper double bipolar magnetohydrodynamic (MHD) electrode (MHDE) producing twice the amounts of ionic vacancies than a conventional single MHDE, the molar excess heat of the pair annihilation of ionic vacancies, 702 kJ mol-1 at 10 T on average was obtained in a copper redox reaction. It was about twice as large as that of a single MHDE, 387 kJ mol-1 at the same magnetic field. This result strongly suggests that a multi-channel bipolar MHDE will produce much greater excess heat. To conserve the linear momentum and electric charge during electron transfer in an electrode reaction, ionic vacancies are created, storing the solvation energy in the polarized core of the order of 0.1 nm, and the pair annihilation of the vacancies with opposite charges liberates the energy as excess heat. The promoted excess heat by the double bipolar MHDE with a diffuser at 10 T was 710 ± 144 kJ mol-1, whereas as mentioned above, 702 ± 426 kJ mol-1 was obtained by the same electrode without such a diffuser. From the theoretical excess heat of 1140 kJ mol-1, the collision efficiencies in pair annihilation were 0.623 ± 0.126 and 0.616 ± 0.374, respectively. From these results, the reproducibility of the thermal measurement was experimentally validated. At the same time, it was concluded that at magnetic fields beyond 10 T, the concentration of ionic vacancy and the collision efficiency take constant uppermost values.
Collapse
Affiliation(s)
- Makoto Miura
- Tohoku Polytechnic College, Kurihara, Miyagi, 987-2223, Japan.
| | | | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata, 990-2473, Japan
| | - Ryoichi Morimoto
- Saitama Industrial Technology Center, Kawaguchi, Saitama, 333-0844, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
| | - Miki Miura
- Polytechnic Center Kimitsu, Kimitsu, Chiba, 299-1142, Japan
| | - Yusuke Yamauchi
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia.
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, 464-8603, Japan.
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
| | | |
Collapse
|
2
|
Takagi S, Asada T, Oshikiri Y, Miura M, Morimoto R, Sugiyama A, Mogi I, Aogaki R. Erratum to: “Nanobubble formation from ionic vacancies in an electrode reaction on a fringed disk electrode under a uniform vertical magnetic field −1. Formation process in a vertical magnetohydrodynamic (MHD) flow” [J. Electroanal. Chem. 914 (2022) 116291]. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
3
|
Takagi S, Asada T, Oshikiri Y, Miura M, Morimoto R, Sugiyama A, Mogi I, Aogaki R. Nanobubble formation from ionic vacancies in an electrode reaction on a fringed disk electrode under a uniform vertical magnetic field -2. Measurement of the angular velocity of a vertical magnetohydrodynamic (MHD) flow by the microbubbles originating from ionic vacancies. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
4
|
Takagi S, Asada T, Oshikiri Y, Miura M, Morimoto R, Sugiyama A, Mogi I, Aogaki R. Nanobubble formation from ionic vacancies in an electrode reaction on a fringed disk electrode under a uniform vertical magnetic field -1. Formation process in a vertical magnetohydrodynamic (MHD) flow. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116291] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
5
|
Morimoto R, Miura M, Sugiyama A, Miura M, Oshikiri Y, Kim Y, Mogi I, Takagi S, Yamauchi Y, Aogaki R. Long-Term Electrodeposition under a Uniform Parallel Magnetic Field. 1. Instability of Two-Dimensional Nucleation in an Electric Double Layer. J Phys Chem B 2020; 124:11854-11869. [PMID: 33379871 DOI: 10.1021/acs.jpcb.0c05903] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Under a parallel magnetic field, after long-term copper deposition from an acidic copper sulfate solution, numerous spherical secondary nodules of 10 to 100 μm diameters were formed one upon another in dendritic mode. This is a new type of micro-magnetohydrodynamic (MHD) effect arising from the unstable growth of three-dimensional (3D) and two-dimensional (2D) nuclei by specific adsorption of hydrogen ions (second micro-MHD effect). From the viewpoint of instability in electrodeposition, though 3D nucleation in the diffusion layer is always unstable, with ionic specific adsorption such as hydrogen ions, stable 2D nucleation turns unstable after long-term deposition. The resultant competitive growth of 3D and 2D nuclei produces spherical nodules as their composite, leading to their dendritic growth. Furthermore, though negligibly small, nonequilibrium fluctuations occurring in 2D nucleation migrate with the laminar solution flow caused by Lorentz force (MHD flow). Depending on whether the ionic adsorption is specific or nonspecific, the traveling asymmetrical fluctuation changes the direction to the upstream or downstream side, respectively.
Collapse
Affiliation(s)
- Ryoichi Morimoto
- Saitama Industrial Technology Center, Kawaguchi, Saitama 333-0844, Japan
| | - Miki Miura
- Polytechnic Center Kimitsu, Kimitsu, Chiba 299-1142, Japan
| | - Atsushi Sugiyama
- Yoshino Denka Kogyo, Inc., Yoshikawa, Saitama 342-0008, Japan.,Research Organization for Nano and Life Innovation, Waseda University, Shinjuku, Tokyo 162-0041, Japan.,International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
| | - Makoto Miura
- Hokkaido Polytechnic College, Otaru, Hokkaido 047-0292, Japan
| | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata 990-2473, Japan
| | - Yena Kim
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai 980-8577, Japan
| | - Satoshi Takagi
- Koriyama Technical Academy, Koriyama, Fukushima 963-8816, Japan
| | - Yusuke Yamauchi
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland 4072, Australia.,JST-ERATO Yamauchi Materials Space-Tectonics and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.,Department of Plant & Environmental New Resources, Kyung Hee University, Yongin-si, Gyeonggi-do 446-701, South Korea
| | - Ryoichi Aogaki
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.,Polytechnic University, Sumida, Tokyo 130-0026, Japan
| |
Collapse
|
6
|
Morimoto R, Miura M, Sugiyama A, Miura M, Oshikiri Y, Kim Y, Mogi I, Takagi S, Yamauchi Y, Aogaki R. Long-Term Electrodeposition under a Uniform Parallel Magnetic Field. 2. Flow-Mode Transition from Laminar MHD Flow to Convection Cells with Two-Dimensional (2D) Nucleation. J Phys Chem B 2020; 124:11870-11881. [PMID: 33347294 DOI: 10.1021/acs.jpcb.0c05905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Following the analysis of the self-organization of two-dimensional (2D) nuclei in Part 1, the flow-mode transition from laminar magnetohydrodynamics (MHD) flow to convection cells accompanied by 2D nucleation under a uniform parallel magnetic field was theoretically examined using the statistical mechanics of nonequilibrium fluctuation. As a result, it was clarified that secondary nodules of 2D nuclei develop with multiple nucleations during the transition, forming a one-upon-another structure. Then, the evolution of the convection cells as well as the secondary nodules requires unstable growth of the asymmetrical fluctuations by the specific adsorption of an ion. As predicted by the theory, the electrolytic current in copper deposition with specific adsorption of hydrogen ions under a parallel magnetic field developed with time, resulting in a nonlinear steplike curve in a 1200 s deposition time.
Collapse
Affiliation(s)
- Ryoichi Morimoto
- Saitama Industrial Technology Center, Kawaguchi, Saitama 333-0844, Japan
| | - Miki Miura
- Polytechnic Center Kimitsu, Kimitsu, Chiba 299-1142, Japan
| | - Atsushi Sugiyama
- Yoshino Denka Kogyo, Inc., Yoshikawa, Saitama 342-0008, Japan.,Research Organization for Nano and Life Innovation, Waseda University, Shinjuku, Tokyo 162-0041, Japan.,JST-ERATO Yamauchi Materials Space-Tectonics and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
| | - Makoto Miura
- Hokkaido Polytechnic College, Otaru, Hokkaido 047-0292, Japan
| | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata 990-2473, Japan
| | - Yena Kim
- JST-ERATO Yamauchi Materials Space-Tectonics and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai 980-8577, Japan
| | - Satoshi Takagi
- Koriyama Technical Academy, Koriyama, Fukushima 963-8816, Japan
| | - Yusuke Yamauchi
- JST-ERATO Yamauchi Materials Space-Tectonics and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.,School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland 4072, Australia.,Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, South Korea
| | - Ryoichi Aogaki
- JST-ERATO Yamauchi Materials Space-Tectonics and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.,Polytechnic University, Sumida, Tokyo 130-0026, Japan
| |
Collapse
|
7
|
Miura M, Sugiyama A, Oshikiri Y, Morimoto R, Mogi I, Miura M, Takagi S, Kim J, Yamauchi Y, Aogaki R. Excess Heat Production by the Pair Annihilation of Ionic Vacancies in Copper Redox Reactions. Sci Rep 2019; 9:13695. [PMID: 31548656 PMCID: PMC6757050 DOI: 10.1038/s41598-019-49310-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 08/12/2019] [Indexed: 11/30/2022] Open
Abstract
In the pair annihilation of ionic vacancies with opposite charges, a drastic excess heat production up to 410 kJ mol−1 in average at 10 T (i. e., 1.5 times larger than the heat production by the combustion of H2, 285.8 kJ mol−1) was observed, which was then attributed to the emission of the solvation energy stored in 0.61 nm radius vacancies with two unit charges. Under a high magnetic field, using Lorentz force, we made ionic vacancies created in copper cathodic and anodic reactions collide with each other, and measured the reaction heat by their annihilation. Ionic vacancy is initially created as a byproduct in electrode reaction in keeping the conservation of linear momentum and electric charge during electron transfer. The unstable polarized particle is stabilized by solvation, and the solvation energy is stored in the free space of the order of 0.1 nm surrounded by oppositely charged ionic cloud. The collision of the ionic vacancies was carried out by circulation-type magnetohydrodynamic electrode (c-type MHDE) composed of a rectangular channel with a pair of copper electrodes and a narrow electrolysis cell.
Collapse
Affiliation(s)
- Makoto Miura
- Hokkaido Polytechnic College, Otaru, Hokkaido, 047-0292, Japan.
| | - Atsushi Sugiyama
- Yoshino Denka Kogyo, Inc., Yoshikawa, Saitama, 342-0008, Japan.,Research Organization for Nano and Life Innovation, Waseda University, Shinjuku, Tokyo, 162-0041, Japan.,International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan
| | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata, 990-2473, Japan
| | - Ryoichi Morimoto
- Saitama Industrial Technology Center, Kawaguchi, Saitama, 333-0844, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Aoba, Sendai, 980-8577, Japan
| | - Miki Miura
- Polytechnic Center Kimitsu, Kimitsu, Chiba, 299-1142, Japan
| | - Satoshi Takagi
- Graduate School of Symbiotic Systems Science and Technology, Fukushima University, Fukushima, 960-1296, Japan
| | - Jeonghun Kim
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Yusuke Yamauchi
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan. .,School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia.
| | - Ryoichi Aogaki
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, 305-0044, Japan. .,Polytechnic University, Sumida, Tokyo, 130-0026, Japan.
| |
Collapse
|
8
|
Morimoto R, Miura M, Sugiyama A, Miura M, Oshikiri Y, Mogi I, Takagi S, Yamauchi Y, Aogaki R. Theory of microscopic electrodeposition under a uniform parallel magnetic field - 2. Suppression of 3D nucleation by micro-MHD flow. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113255] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
9
|
Miura M, Oshikiri Y, Sugiyama A, Morimoto R, Mogi I, Miura M, Takagi S, Yamauchi Y, Aogaki R. Magneto-Dendrite Effect: Copper Electrodeposition under High Magnetic Field. Sci Rep 2017; 7:45511. [PMID: 28374758 PMCID: PMC5379626 DOI: 10.1038/srep45511] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 02/27/2017] [Indexed: 11/09/2022] Open
Abstract
Ionic vacancy is a by-product in electrochemical reaction, composed of polarized free space of the order of 0.1 nm with a 1 s lifetime, and playing key roles in nano-electrochemical processes. However, its chemical nature has not yet been clarified. In copper electrodeposition under a high magnetic field of 15 T, using a new electrode system called cyclotron magnetohydrodynamic (MHD) electrode (CMHDE) composed of a pair of concentric cylindrical electrodes, we have found an extraordinary dendritic growth with a drastic positive potential shift from hydrogen-gas evolution potential. Dendritic deposition is characterized by the co-deposition of hydrogen molecule, but such a positive potential shift makes hydrogen-gas evolution impossible. However, in the high magnetic field, instead of flat deposit, remarkable dendritic growth emerged. By examining the chemical nature of ionic vacancy, it was concluded that ionic vacancy works on the dendrite formation with the extraordinary potential shift.
Collapse
Affiliation(s)
- Makoto Miura
- Hokkaido Polytechnic College, Otaru, Hokkaido 047-0292, Japan
| | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata 990-2473, Japan
| | - Atsushi Sugiyama
- Yoshino Denka Kogyo, Inc., Yoshikawa, Saitama 342-0008, Japan.,Research Organization for Nano and Life Innovation, Waseda University, Shinjuku, Tokyo 162-0041, Japan.,National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
| | - Ryoichi Morimoto
- Saitama Prefectural Showa Water Filtration Plant, Kasukabe, Saitama 344-0113, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Aoba-ku, Sendai 980-8577, Japan
| | - Miki Miura
- Yokohama Harbor Polytechnic College, Naka, Yokohama 231-0811, Japan
| | - Satoshi Takagi
- Koriyama Technical Academy, Koriyama, Fukushima 963-8816, Japan
| | - Yusuke Yamauchi
- National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
| | - Ryoichi Aogaki
- National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan.,Polytechnic University, Sumida, Tokyo 130-0026, Japan
| |
Collapse
|
10
|
Sugiyama A, Morimoto R, Osaka T, Mogi I, Asanuma M, Miura M, Oshikiri Y, Yamauchi Y, Aogaki R. Lifetime of Ionic Vacancy Created in Redox Electrode Reaction Measured by Cyclotron MHD Electrode. Sci Rep 2016; 6:19795. [PMID: 26791269 PMCID: PMC4726188 DOI: 10.1038/srep19795] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 12/18/2015] [Indexed: 11/09/2022] Open
Abstract
The lifetimes of ionic vacancies created in ferricyanide-ferrocyanide redox reaction have been first measured by means of cyclotron magnetohydrodynamic electrode, which is composed of coaxial cylinders partly exposed as electrodes and placed vertically in an electrolytic solution under a vertical magnetic field, so that induced Lorentz force makes ionic vacancies circulate together with the solution along the circumferences. At low magnetic fields, due to low velocities, ionic vacancies once created become extinct on the way of returning, whereas at high magnetic fields, in enhanced velocities, they can come back to their initial birthplaces. Detecting the difference between these two states, we can measure the lifetime of ionic vacancy. As a result, the lifetimes of ionic vacancies created in the oxidation and reduction are the same, and the intrinsic lifetime is 1.25 s, and the formation time of nanobubble from the collision of ionic vacancies is 6.5 ms.
Collapse
Affiliation(s)
- Atsushi Sugiyama
- Research Organization for Nano and Life Innovation, Waseda University, Shinjuku-ku, Tokyo 162-0041, Japan
| | - Ryoichi Morimoto
- Saitama Prefectural Showa Water Filtration Plant, Kasukabe, Saitama 344-0113, Japan
| | - Tetsuya Osaka
- Research Organization for Nano and Life Innovation, Waseda University, Shinjuku-ku, Tokyo 162-0041, Japan.,School of Science and Engineering, Waseda University, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Iwao Mogi
- Institute for Materials Research, Tohoku University, Sendai, Sendai 980-8577, Japan
| | - Miki Asanuma
- Yokohama Harbor Polytechnic College, Naka-ku, Yokohama 231-0811, Japan
| | - Makoto Miura
- Hokkaido Polytechnic College, Otaru, Hokkaido 047-0292, Japan
| | - Yoshinobu Oshikiri
- Yamagata College of Industry and Technology, Matsuei, Yamagata 990-2473, Japan
| | - Yusuke Yamauchi
- School of Science and Engineering, Waseda University, Shinjuku-ku, Tokyo 169-8555, Japan.,National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
| | - Ryoichi Aogaki
- National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan.,Polytechnic University, Sumida-ku, Tokyo 130-0026, Japan
| |
Collapse
|
11
|
Mogi I, Aogaki R, Watanabe K. Tailoring of Surface Chirality by Micro-Vortices and Specific Adsorption in Magnetoelectrodeposition. BCSJ 2015. [DOI: 10.1246/bcsj.20150208] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Iwao Mogi
- Institute for Materials Research, Tohoku University
| | | | | |
Collapse
|
12
|
Mogi I, Morimoto R, Aogaki R, Watanabe K. Surface chirality induced by rotational electrodeposition in magnetic fields. Sci Rep 2014; 3:2574. [PMID: 23999254 PMCID: PMC3759836 DOI: 10.1038/srep02574] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Accepted: 08/15/2013] [Indexed: 11/10/2022] Open
Abstract
The surfaces of minerals could serve important catalytic roles in the prebiotic syntheses of organic molecules, such as amino acids. Thus, the surface chirality is responsible for the asymmetric syntheses of biomolecules. Here, we show induction of the surface chirality of copper metal film by electrodeposition via electrochemical cell rotation in magnetic fields. Such copper film electrodes exhibit chiral behaviour in the electrochemical reaction of alanine enantiomers, and the rotating direction allows control of the chiral sign. These findings are discussed in connection with the asymmetric influence of the system rotation on the magnetohydrodynamic micro-vortices around the electrode surfaces.
Collapse
Affiliation(s)
- Iwao Mogi
- Institute for Materials Research, Tohoku University, Katahira, Sendai 980-8577, Japan.
| | | | | | | |
Collapse
|
13
|
Affiliation(s)
- Iwao Mogi
- Institute for Materials Research, Tohoku University
| | | |
Collapse
|
14
|
Abstract
Chiral behavior of magnetoelectrodeposited (MED) Cu film electrodes was investigated for the electrochemical reactions of amino acids. The Cu films were electrodeposited under a magnetic field of 5 T perpendicular to the electrode surface. Such MED Cu films were employed as an electrode, and cyclic voltammograms were measured for the electrochemical reactions of several kinds of amino acids. Chiral behavior was clearly observed as oxidation current difference between the enantiomers of alanine, aspartic acid, and glutamic acid. The MED film electrodes with the thickness of 50~500 nm exhibited such chiral behavior, and their surface morphologies had network structures, which could be induced by the micro-MHD effect.
Collapse
Affiliation(s)
- Iwao Mogi
- Institute for Materials Research, Tohoku University, Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Kazuo Watanabe
- Institute for Materials Research, Tohoku University, Katahira, Aoba-ku, Sendai 980-8577, Japan
| |
Collapse
|
15
|
Koza JA, Mogi I, Tschulik K, Uhlemann M, Mickel C, Gebert A, Schultz L. Electrocrystallisation of metallic films under the influence of an external homogeneous magnetic field—Early stages of the layer growth. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.06.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
16
|
Mogi I, Watanabe K. Chirality of magneto-electrodeposited metal film electrodes. Sci Technol Adv Mater 2008; 9:024210. [PMID: 27877961 PMCID: PMC5099718 DOI: 10.1088/1468-6996/9/2/024210] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2007] [Revised: 05/20/2008] [Accepted: 12/13/2007] [Indexed: 06/06/2023]
Abstract
The chiral electrode behaviors of magneto-electrodeposited (MED) Ag and Cu films were examined for the electrochemical reactions of D-glucose, L-glucose and L-cysteine. The Ag and Cu films were electrodeposited under a magnetic field of 2 T parallel (+2 T) or antiparallel (-2 T) to the faradaic current. For MED films of both Ag and Cu, the oxidation current of L-glucose was larger than that of D-glucose on the +2 T-film electrodes, and the results were opposite on the - 2 T-film electrodes. These facts demonstrate that the MED metal films possess the ability of chiral recognition for D- and L-glucoses. The MED Ag film electrodes also exhibited chiral behavior for the oxidation of L-cysteine.
Collapse
Affiliation(s)
- Iwao Mogi
- Institute for Materials Research, Tohoku University, Katahira, Sendai 980-8577, Japan
| | | |
Collapse
|
17
|
|
18
|
Oshio H, Ino E, Mogi I, Ito T. A weak antiferromagnetic interaction between manganese(2+) centers through a TCNQ column: crystal structures and magnetic properties of [MnII(tpa)(TCNQ)(CH3OH)](TCNQ)2.cntdot.CH3CN, [MnII(tpa)(.mu.-O2CCH3)]2(TCNQ)2.cntdot.2CH3CN, and [MnII(tpa)(NCS)2].cntdot.CH3CN (tpa = tris(2-pyridylmethyl)amine). Inorg Chem 2002. [DOI: 10.1021/ic00077a009] [Citation(s) in RCA: 104] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
19
|
Konno A, Mogi I, Watanabe K. Effect of strong magnetic fields on the photocurrent of a poly(N-methylpyrrole) modified electrode. J Electroanal Chem (Lausanne) 2001. [DOI: 10.1016/s0022-0728(01)00390-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
20
|
|
21
|
|
22
|
Kobayashi H, Uryû N, Mogi I, Miyamoto R, Ohba Y, Iwaizumi M, Sasaki Y, Ohto A, Suwabe M, Ito T. Magnetic Properties of Some Triangular Trinuclear Complexes of [Ru2M(μ-CH3COO)6(μ3-O)(py)3]n+with a Paramagnetic Ion M. BCSJ 1996. [DOI: 10.1246/bcsj.69.3163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
23
|
|
24
|
Mogi I, Kikuya H, Watanabe K, Awaji S, Motokawa M. Magnetic Field Effects on the Current Oscillations in Anodic Zinc Dissolution. CHEM LETT 1996. [DOI: 10.1246/cl.1996.673] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
25
|
|
26
|
|
27
|
|
28
|
Kobayashi H, Uryû N, Mogi I, Miyamoto R, Ohba Y, Iwaizumi M, Sasaki Y, Ohto A, Ito T. Magnetic Properties of Some Triangular Trinuclear Complexes of [Ru2M(μ-CH3COO)6(μ3-O)(py)3]n+with a Diamagnetic Ion M. BCSJ 1995. [DOI: 10.1246/bcsj.68.2551] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
29
|
Yasui T, Segawa Y, Aoyagi Y, Iimura Y, Bauer GE, Mogi I, Kido G. Exciton states in two-dimensional systems of GaAs/AlAs multi-quantum-well structures under high magnetic fields. Phys Rev B Condens Matter 1995; 51:9813-9819. [PMID: 9977652 DOI: 10.1103/physrevb.51.9813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
30
|
Takagi T, Tani J, Matsubara Y, Mogi I. Dynamic behavior of fusion structural components under strong magnetic fields. Fusion Engineering and Design 1995. [DOI: 10.1016/0920-3796(95)90162-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
31
|
Oshio H, Ino E, Mogi I, Ito T. A weak antiferromagnetic interaction between Mn2+ centers through a TCNQ column: crystal structures and magnetic properties of [MnII(tpa)(TCNQ)(CH3OH)](TCNQ)2.cntdot.CH3CN, [MnII(tpa)(.mu.-O2CCH3)]2(TCNQ)2.cntdot.2CH3CN, and [MnII(tpa)(NCS)2].cntdot.CH3CN (tpa = tris(2-pyridylmethyl)amine). [Erratum to document cited in CA119:285105]. Inorg Chem 1994. [DOI: 10.1021/ic00095a037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
32
|
Kojima N, Kawarazaki M, Mogi I, Takeda M, Kido G, Nakagawa Y. Bound state of an exciton-magnon system under high magnetic fields. I. MnF2. Phys Rev B Condens Matter 1993; 47:15086-15090. [PMID: 10005883 DOI: 10.1103/physrevb.47.15086] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
33
|
Sasaki Y, Yoshida Y, Ohto A, Tokiwa A, Ito T, Kobayashi H, Uryû N, Mogi I. Mixed Chromium(III)-Ruthenium(III) Trinuclear Complex, [CrRu2(μ3-O)(μ-CH3COO)6(pyridine)3]+. CHEM LETT 1993. [DOI: 10.1246/cl.1993.69] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
|
34
|
|
35
|
|