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Choi S, Liu C, Seo DH, Im SW, Kim RM, Jo J, Kim JW, Park GS, Kim M, Brinck T, Nam KT. Kink-Controlled Gold Nanoparticles for Electrochemical Glucose Oxidation. NANO LETTERS 2024; 24:4528-4536. [PMID: 38573311 DOI: 10.1021/acs.nanolett.4c00413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
Enzymes in nature efficiently catalyze chiral organic molecules by elaborately tuning the geometrical arrangement of atoms in the active site. However, enantioselective oxidation of organic molecules by heterogeneous electrocatalysts is challenging because of the difficulty in controlling the asymmetric structures of the active sites on the electrodes. Here, we show that the distribution of chiral kink atoms on high-index facets can be precisely manipulated even on single gold nanoparticles; and this enabled stereoselective oxidation of hydroxyl groups on various sugar molecules. We characterized the crystallographic orientation and the density of kink atoms and investigated their specific interactions with the glucose molecule due to the geometrical structure and surface electrostatic potential.
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Affiliation(s)
- Seungwoo Choi
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Soft Foundry, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang Liu
- Department of Chemistry, CBH, KTH Royal Institute of Technology; Stockholm SE-10044, Sweden
- Stockholm University, Chemical Physics, Albanova University Center, Stockholm SE-10690, Sweden
| | - Da Hye Seo
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Sang Won Im
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Soft Foundry, Seoul National University, Seoul 08826, Republic of Korea
| | - Ryeong Myeong Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaeyeon Jo
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jeong Won Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Gyeong-Su Park
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Soft Foundry, Seoul National University, Seoul 08826, Republic of Korea
- Institute of Next-Generation Semiconductor Convergence Technology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Miyoung Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Tore Brinck
- Department of Chemistry, CBH, KTH Royal Institute of Technology; Stockholm SE-10044, Sweden
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
- Soft Foundry, Seoul National University, Seoul 08826, Republic of Korea
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2
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Li X, Zhang Z, Zhang Z, Kou J, Wu M, Zhao M, Qiao R, Ding Z, Zhang Z, Liu F, Yang X, Zou D, Wang X, Gao P, Fu Y, Wang E, Liu K. Production of single-crystal Cu plates by electrodeposition on high-index Cu foils. Sci Bull (Beijing) 2023; 68:1611-1615. [PMID: 37438157 DOI: 10.1016/j.scib.2023.06.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/24/2023] [Accepted: 06/21/2023] [Indexed: 07/14/2023]
Affiliation(s)
- Xingguang Li
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Zhihong Zhang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China.
| | - Zhibin Zhang
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Jinzong Kou
- Songshan Lake Materials Laboratory, Dongguan 523808, China; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Muhong Wu
- Songshan Lake Materials Laboratory, Dongguan 523808, China; International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University, Beijing 100871, China; Interdisciplinary Institute of Light-Element Quantum Materials and Research Centre for Light-Element Advanced Materials, Peking University, Beijing 100871, China
| | - Mengze Zhao
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Ruixi Qiao
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Zhiqiang Ding
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Zhiqiang Zhang
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Fang Liu
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Xiaonan Yang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
| | - Dingxin Zou
- Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xinqiang Wang
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China
| | - Peng Gao
- International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University, Beijing 100871, China
| | - Ying Fu
- Songshan Lake Materials Laboratory, Dongguan 523808, China
| | - Enge Wang
- Songshan Lake Materials Laboratory, Dongguan 523808, China; International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University, Beijing 100871, China; School of Physics, Liaoning University, Shenyang 110036, China.
| | - Kaihui Liu
- State Key Laboratory for Mesoscopic Physics, Frontiers Science Centre for Nano-optoelectronics, School of Physics, Peking University, Beijing 100871, China; Songshan Lake Materials Laboratory, Dongguan 523808, China; International Centre for Quantum Materials, Collaborative Innovation Centre of Quantum Matter, Peking University, Beijing 100871, China.
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3
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Zhang X, Luo B, Banik A, Tubbesing JZ, Switzer JA. Epitaxial Single-Domain Cu-BTC Metal-Organic Framework Thin Films and Foils by Electrochemical Conversion of Cuprous Oxide. ACS APPLIED MATERIALS & INTERFACES 2023; 15:18440-18449. [PMID: 37011229 DOI: 10.1021/acsami.2c22983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Metal-organic frameworks (MOFs) are an important class of crystalline porous materials with extensive chemical and structural merits. However, the fabrication of MOF thin films oriented along all crystallographic axes to achieve well-aligned nanopores and nanochannels with uniform apertures remains a challenge. Here, we achieved highly crystalline single-domain MOF thin films with the [111] out-of-plane orientation by electrochemical conversion of cuprous oxide. Copper(II)-benzene-1,3,5-tricarboxylate, Cu3(BTC)2 (referred to as Cu-BTC), is a well-known metal-organic open framework material with a cubic crystal system. Epitaxial Cu-BTC(111) thin films were manufactured by electrochemical oxidation of Cu2O(111) films electrodeposited on single-crystal Au(111). The Cu-BTC(111) shows an in-plane antiparallel relationship with the precursor Cu2O(111) with a -0.91% coincidence site lattice mismatch. A plausible mechanism was proposed for the electrochemical conversion of Cu2O into Cu-BTC, indicating formation of intermediate CuO, growth of Cu-BTC islands, and termination with coalesce into a dense film with a limiting thickness of about 740 nm. The Faradaic efficiency for the electrochemical conversion was 63%. In addition, epitaxial Cu-BTC(111) foils were fabricated by epitaxial lift-off following the electrochemical etching of residual Cu2O underneath the Cu-BTC. It was also demonstrated that Cu-BTC(111) films with two in-plane domains and textured Cu-BTC(111) films can be achieved on a large scale using electrodeposited Au/Si and Au-coated glass as low-cost substrates.
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Affiliation(s)
- Xiaoting Zhang
- Department of Chemistry and Graduate Center for Materials Research, Missouri University of Science and Technology, Rolla, Missouri 65409-1170, United States
| | - Bin Luo
- Department of Chemistry and Graduate Center for Materials Research, Missouri University of Science and Technology, Rolla, Missouri 65409-1170, United States
| | - Avishek Banik
- Department of Chemistry and Graduate Center for Materials Research, Missouri University of Science and Technology, Rolla, Missouri 65409-1170, United States
| | - John Z Tubbesing
- Department of Chemistry and Graduate Center for Materials Research, Missouri University of Science and Technology, Rolla, Missouri 65409-1170, United States
| | - Jay A Switzer
- Department of Chemistry and Graduate Center for Materials Research, Missouri University of Science and Technology, Rolla, Missouri 65409-1170, United States
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Liang L, Feng Q, Wang X, Hübner J, Gernert U, Heggen M, Wu L, Hellmann T, Hofmann JP, Strasser P. Electroreduction of CO 2 on Au(310)@Cu High-index Facets. Angew Chem Int Ed Engl 2023; 62:e202218039. [PMID: 36656994 DOI: 10.1002/anie.202218039] [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: 12/07/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
The chemical selectivity and faradaic efficiency of high-index Cu facets for the CO2 reduction reaction (CO2 RR) is investigated. More specifically, shape-controlled nanoparticles enclosed by Cu {hk0} facets are fabricated using Cu multilayer deposition at three distinct layer thicknesses on the surface facets of Au truncated ditetragonal nanoprisms (Au DTPs). Au DTPs are shapes enclosed by 12 high-index {310} facets. Facet angle analysis confirms DTP geometry. Elemental mapping analysis shows Cu surface layers are uniformly distributed on the Au {310} facets of the DTPs. The 7 nm Au@Cu DTPs high-index {hk0} facets exhibit a CH4 : CO product ratio of almost 10 : 1 compared to a 1 : 1 ratio for the reference 7 nm Au@Cu nanoparticles (NPs). Operando Fourier transform infrared spectroscopy spectra disclose reactive adsorbed *CO as the main intermediate, whereas CO stripping experiments reveal the high-index facets enhance the *CO formation followed by rapid desorption or hydrogenation.
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Affiliation(s)
- Liang Liang
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Quanchen Feng
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Xingli Wang
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Jessica Hübner
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Ulrich Gernert
- Institutes of Physical Science and Information Technology, Center for Electron Microscopy (ZELMI), Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Marc Heggen
- Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Longfei Wu
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
| | - Tim Hellmann
- Surface Science Laboratory, Department of Materials and Earth Sciences, Technical University of Darmstadt, Otto-Berndt-Straße 3, 64287, Darmstadt, Germany
| | - Jan P Hofmann
- Surface Science Laboratory, Department of Materials and Earth Sciences, Technical University of Darmstadt, Otto-Berndt-Straße 3, 64287, Darmstadt, Germany
| | - Peter Strasser
- Department of Chemistry, Chemical Engineering Division, Technical University Berlin, Straße des 17. Juni 124, 10623, Berlin, Germany
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5
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Wu F, Tian Y, Luan X, Lv X, Li F, Xu G, Niu W. Synthesis of Chiral Au Nanocrystals with Precise Homochiral Facets for Enantioselective Surface Chemistry. NANO LETTERS 2022; 22:2915-2922. [PMID: 35362992 DOI: 10.1021/acs.nanolett.2c00094] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Metal surfaces with intrinsic chirality play an irreplaceable role in many significant enantioselective chemical processes such as enantioselective catalysis, sensing, and separation. Nonetheless, current methods for the precise preparation of such chiral surfaces suffer with issues of unscalable production and low surface areas. Herein, we report the synthesis of chiral Au nanoparticles with precisely determined homochiral facets. Though a scalable wet chemical method, {125̅8}R and {85̅12}S high-Miller-index facets are obtained with the l- and d-chiral Au nanocrystals, respectively. The growth process of these homochiral facets is investigated, and a new nanocrystal growth pathway is revealed. More importantly, the remarkable enantioselective recognition properties of these homochiral surfaces are demonstrated and enable an efficient electrochemical method for chiral discrimination of l-/d-tryptophan. These results provide a foundation of fundamental studies of heterogeneous enantioselective processes and may pave way for the development of nanocatalysts for enantioselective chemistry.
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Affiliation(s)
- Fengxia Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Yu Tian
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Xiaoxi Luan
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Xiali Lv
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Fenghua Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
| | - Wenxin Niu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei 230026, China
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6
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Directing electrochemical asymmetric synthesis at heterogeneous interfaces: Past, present, and challenges. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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7
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Li Y, Sun L, Liu H, Wang Y, Liu Z. Preparation of single-crystal metal substrates for the growth of high-quality two-dimensional materials. Inorg Chem Front 2021. [DOI: 10.1039/d0qi00923g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Recent advances on preparing single-crystal metals and their crucial roles in controlled growth of high-quality 2D materials are reviewed.
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Affiliation(s)
- Yanglizhi Li
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Luzhao Sun
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Haiyang Liu
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Yuechen Wang
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
| | - Zhongfan Liu
- Center for Nanochemistry
- Beijing Science and Engineering Center for Nanocarbons
- Beijing National Laboratory for Molecular Sciences
- College of Chemistry and Molecular Engineering
- Peking University
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8
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Ma Y, Shi L, Yue H, Gao X. Recognition at chiral interfaces: From molecules to cells. Colloids Surf B Biointerfaces 2020; 195:111268. [DOI: 10.1016/j.colsurfb.2020.111268] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 06/26/2020] [Accepted: 07/21/2020] [Indexed: 01/24/2023]
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9
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Shukla N, Gellman AJ. Chiral metal surfaces for enantioselective processes. NATURE MATERIALS 2020; 19:939-945. [PMID: 32747699 DOI: 10.1038/s41563-020-0734-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 06/15/2020] [Indexed: 05/24/2023]
Abstract
Chiral surfaces are critical components of enantioselective heterogeneous processes such as those used to prepare enantiomerically pure pharmaceuticals. While the majority of chiral surfaces in practical use are based on achiral materials whose surfaces have been modified with enantiomerically pure chiral adsorbates, there are many inorganic materials with valuable surface properties that could be rendered enantiospecific, if their surfaces were intrinsically chiral. This Perspective discusses recent developments in the fabrication of intrinsically chiral surfaces exhibiting enantiospecific adsorption, surface chemistry and electron emission. We propose possible paths to the scalable fabrication of high-surface-area, enantiomerically pure surfaces and discuss opportunities for future progress.
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Affiliation(s)
- Nisha Shukla
- Institute for Complex Engineered Systems, Carnegie Mellon University, Pittsburgh, PA, USA
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Andrew J Gellman
- Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA.
- W.E. Scott Institute for Energy Innovation, Carnegie Mellon University, Pittsburgh, PA, USA.
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Wu M, Zhang Z, Xu X, Zhang Z, Duan Y, Dong J, Qiao R, You S, Wang L, Qi J, Zou D, Shang N, Yang Y, Li H, Zhu L, Sun J, Yu H, Gao P, Bai X, Jiang Y, Wang ZJ, Ding F, Yu D, Wang E, Liu K. Seeded growth of large single-crystal copper foils with high-index facets. Nature 2020; 581:406-410. [DOI: 10.1038/s41586-020-2298-5] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 03/11/2020] [Indexed: 11/09/2022]
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11
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Maeda Y, Yasuda T, Matsuzaki K, Okazaki Y, Pouget E, Oda R, Kitada A, Murase K, Raffy G, Bassani DM, Fukami K. Common mechanism for helical nanotube formation by anodic polymerization and by cathodic deposition using helical pores on silicon electrodes. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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12
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Wattanakit C, Kuhn A. Encoding Chiral Molecular Information in Metal Structures. Chemistry 2020; 26:2993-3003. [PMID: 31724789 DOI: 10.1002/chem.201904835] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/13/2019] [Indexed: 11/07/2022]
Abstract
The concept of encoding molecular information in bulk metals has been proposed over the past decade. The structure of various types of molecules, including enantiomers, can be imprinted in achiral substrates. Typically, to encode metals with chiral information, several approaches, based on chemical and electrochemical concepts, can be used. In this Minireview, recent achievements with respect to the development of such materials are discussed, including the entrapment of chiral biomolecules in metals, the chiral imprinting of metals, as well as the combination of imprinting with nanostructuring. The features and potential applications of these designer materials, such as chirooptical properties, enantioselective adsorption and separation, as well as their use for asymmetric synthesis will be presented. This will illustrate that the development of molecularly encoded metal structures opens up very interesting perspectives, especially in the frame of chiral technologies.
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Affiliation(s)
- Chularat Wattanakit
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 21210, Rayong, Thailand
| | - Alexander Kuhn
- CNRS UMR 5255, Bordeaux INP, Site ENSCBP, University of Bordeaux, 33607, Pessac, France
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Karagoz B, Payne M, Reinicker A, Kondratyuk P, Gellman AJ. A Most Enantioselective Chiral Surface: Tartaric Acid on All Surfaces Vicinal to Cu(110). LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:16438-16443. [PMID: 31729881 DOI: 10.1021/acs.langmuir.9b02476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Enantioselective chemistry on intrinsically chiral surfaces is the quintessential form of structure-sensitive surface chemistry, arising purely from the dissymmetry of the surface structure. Identification or design of chiral surface structures that maximize enantioselectivity for a given processes is extremely challenging because of the limited magnitude of the enantiospecific interaction energetics of chiral molecules with chiral surfaces. Using spherical Cu single crystals exposing surfaces with a continuous two-dimensional distribution of crystallographic orientations, we mapped the enantiospecific surface reaction kinetics of tartaric acid decomposition across the surface orientation space. These measurements reveal both the mechanistic origin of enantioselectivity and identify the structural features of the most enantiospecific surface orientation.
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14
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Assavapanumat S, Ketkaew M, Kuhn A, Wattanakit C. Synthesis, Characterization, and Electrochemical Applications of Chiral Imprinted Mesoporous Ni Surfaces. J Am Chem Soc 2019; 141:18870-18876. [DOI: 10.1021/jacs.9b10507] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sunpet Assavapanumat
- School of Molecular Science and Engineering, School of Energy Science and Engineering and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong, 21210, Thailand
- University of Bordeaux, CNRS, UMR 5255, Bordeaux INP, Site ENSCBP, 16 Avenue Pey Berland, 33607, Pessac, France
| | - Marisa Ketkaew
- School of Molecular Science and Engineering, School of Energy Science and Engineering and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong, 21210, Thailand
- University of Bordeaux, CNRS, UMR 5255, Bordeaux INP, Site ENSCBP, 16 Avenue Pey Berland, 33607, Pessac, France
| | - Alexander Kuhn
- University of Bordeaux, CNRS, UMR 5255, Bordeaux INP, Site ENSCBP, 16 Avenue Pey Berland, 33607, Pessac, France
| | - Chularat Wattanakit
- School of Molecular Science and Engineering, School of Energy Science and Engineering and Nanocatalysts and Nanomaterials for Sustainable Energy and Environment Research Network of NANOTEC, Vidyasirimedhi Institute of Science and Technology, Rayong, 21210, Thailand
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15
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Abstract
The deposition of palladium nanoparticles (PdNPs) on the surface of n-Si (100) substrate by pulsed electrolysis in dimethyl sulfoxide (DMSO) solutions of Pd(NO3)2 was investigated. It has been shown that nonaqueous medium (DMSO) contributes the Pd (II) recovery at high cathode potential values avoiding side processes to occur. In combination with the pulse mode, this allows the deposition of spherical PdNPs with their uniform distribution on the silicon surface. We established that the main factors influencing the geometry of PdNPs are the value of the cathode potential, the concentration of palladium ions in solution, and the number of pulse-pause cycles. It is shown that with increasing Ecathode value there is a tendency to increase the density of silicon surface filling with nanoparticles. As the concentration of Pd(NO3)2 increases from 1 to 6 mM, the density of silicon surface filling with PdNPs and their average size also increase. We found that with increasing the number of pulse-pause cycles, there is a predominant growth of nanoparticles in diameter, which causes 2D filling of the substrate surface.
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16
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Ma Y, Shi L, Zhou M, Li B, Chen Z, Wu L. Cell adhesion and proliferation in chiral pores triggered by polyoxometalates. Chem Commun (Camb) 2019; 55:7001-7004. [DOI: 10.1039/c9cc03432c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The chirality of polyoxometalate anchoring in the cavity of pitted films was demonstrated to strongly influence the adhesion and proliferation of E. coli cells.
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Affiliation(s)
- Yingyi Ma
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Lei Shi
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Mengcheng Zhou
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Zhijun Chen
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Lixin Wu
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- China
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