1
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Gao HY. Recent advances in organic molecule reactions on metal surfaces. Phys Chem Chem Phys 2024. [PMID: 38860468 DOI: 10.1039/d3cp06148e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Chemical reactions of organic molecules on metal surfaces have been intensively investigated in the past decades, where metals play the role of catalysts in many cases. In this review, first, we summarize recent works on spatial molecules, small H2O, O2, CO, CO2 molecules, and the molecules carrying silicon groups as the new trends of molecular candidates for on-surface chemistry applications. Then, we introduce spectroscopy and DFT study advances in on-surface reactions. Especially, in situ spectroscopy technologies, such as electron spectroscopy, force spectroscopy, X-ray photoemission spectroscopy, STM-induced luminescence, tip-enhanced Raman spectroscopy, temperature-programmed desorption spectroscopy, and infrared reflection adsorption spectroscopy, are important to confirm the occurrence of organic reactions and analyze the products. To understand the underlying mechanism, the DFT study provides detailed information about reaction pathways, conformational evolution, and organometallic intermediates. Usually, STM/nc-AFM topological images, in situ spectroscopy data, and DFT studies are combined to describe the mechanism behind on-surface organic reactions.
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Affiliation(s)
- Hong-Ying Gao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
- Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300350, China
- Tianjin Key Laboratory of Applied Catalysis Science and Engineering, Tianjin 300350, China
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2
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Alshubramy MA, Alamry KA, Hussein MA. An overview of the synthetic strategies of C3-symmetric polymeric materials containing benzene and triazine cores and their biomedical applications. RSC Adv 2023; 13:14317-14339. [PMID: 37179987 PMCID: PMC10170496 DOI: 10.1039/d3ra01336g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
C3-symmetric star-shaped materials are an emerging category of porous organic polymers with distinctive properties such as permanent porosity, good thermal and chemical stability, high surface area, and appropriate functionalization that promote outstanding potential in various applications. This review is mostly about constructing benzene or s-triazine rings as the center of C3-symmetric molecules and using side-arm reactions to add functions to these molecules. Over and above this, the performance of various polymerization processes has been additionally investigated in detail, including the trimerization of alkynes or aromatic nitriles, polycondensation of monomers with specific functional groups, and cross-coupling building blocks with benzene or triazine cores. Finally, the most recent progress in biomedical applications for C3-symmetric materials based on benzene or s-triazine have been summarized.
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Affiliation(s)
- Maha A Alshubramy
- Chemistry Department, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Khalid A Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Mahmoud A Hussein
- Chemistry Department, Faculty of Science, King Abdulaziz University Jeddah 21589 Saudi Arabia
- Chemistry Department, Faculty of Science, Assiut University Assiut 71516 Egypt
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3
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Wang L, Ma R, Xia J, Liu X, Sun J, Zheng G, Zhang Q. DBU-Mediated Isomerization/6-π Electro-Cyclization/Oxidation Cascade of Sulfonyl-Substituted Allenyl Ketones for the Construction of Hetero-1,3,5-Trisubstituted Benzene. Chemistry 2023; 29:e202203309. [PMID: 36509732 DOI: 10.1002/chem.202203309] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/26/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022]
Abstract
1,3,5-tri-substituted benzene rings emerged with unique properties has widespread applications in materials, boosting the rapid development of their synthesis. Despite the significance, the direct construction of hetero-1,3,5-trisubstituted benzene core was far less-developed. Herein, we realized a DBU-mediated isomerization/6-π electro-cyclization/oxidative aromatization cascade of sulfonyl-substituted allenyl ketones under an air atmosphere (DBU=1,8-diazabicyclo[5.4.0]undec-7-ene). This versatile protocol featured metal-free conditions, easy operation, and broad functional group tolerance provides a new avenue for the construction of hetero-1,3,5-tri-substituted benzene.
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Affiliation(s)
- Lihong Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Ruiyang Ma
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Jiuli Xia
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Ximin Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Jiaqiong Sun
- School of Environment, Northeast Normal University, Changchun 130117, Changchun, 130024, P. R. China
| | - Guangfan Zheng
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China
| | - Qian Zhang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun, 130024, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
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4
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Nath S, Puthukkudi A, Mohapatra J, Bommakanti S, Chandrasekhar N, Biswal BP. Carbon-Carbon Linked Organic Frameworks: An Explicit Summary and Analysis. Macromol Rapid Commun 2023; 44:e2200950. [PMID: 36625406 DOI: 10.1002/marc.202200950] [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: 12/14/2022] [Indexed: 01/11/2023]
Abstract
Organic frameworks with carbon-carbon (CC) linkage are an important class of materials owing to their outstanding chemical stability and extended π-electron delocalization resulting in unique optoelectronic properties. In the first part of this review article, the design principles for the bottom-up synthesis of 2D and 3D sp/sp2 CC linked organic frameworks are summarized. Representative reaction methodologies, such as Knoevenagel condensation, Aldol condensation, Horner-Wadsworth-Emmons reaction, Wittig reaction, and coupling reactions (Ullmann, Suzuki, Heck, Yamamoto, etc.) are included. This is discussed in the context of their reaction mechanism, reaction dynamics, and whether and why resulting in an amorphous or crystalline product. This is followed by a discussion of different state-of-the art bottom-up synthesis methodologies, like solvothermal, interfacial, and solid-state synthesis. In the second part, the structure-property relationships in CC linked organic frameworks with representative examples of organocatalysis, photo(electro)catalysis, energy storage and conversion, magnetism, and molecular storage and separation are analyzed. The importance of linkage type, building blocks, topology, and crystallinity of the framework material in connection with the structure-property relationship is highlighted. Finally, brief concluding remarks are presented based on the key development of bottom-up synthetic methods and provide perspectives for future development in this field.
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Affiliation(s)
- Satyapriya Nath
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatni, Khurda, Odisha, 752050, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Adithyan Puthukkudi
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatni, Khurda, Odisha, 752050, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Jeebanjyoti Mohapatra
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatni, Khurda, Odisha, 752050, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
| | - Suresh Bommakanti
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatni, Khurda, Odisha, 752050, India
| | - Naisa Chandrasekhar
- Centre for Advancing Electronics Dresden (cfaed), Department of Chemistry and Food Chemistry, Dresden University of Technology, Momenstrasse 4, 01069, Dresden, Germany
| | - Bishnu P Biswal
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatni, Khurda, Odisha, 752050, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400094, India
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5
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Wang J, Niu K, Xu C, Zhu H, Ding H, Han D, Zheng Y, Xi J, You S, Deng C, Lin H, Rosen J, Zhu J, Björk J, Li Q, Chi L. Influence of Molecular Configurations on the Desulfonylation Reactions on Metal Surfaces. J Am Chem Soc 2022; 144:21596-21605. [DOI: 10.1021/jacs.2c08736] [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]
Affiliation(s)
- Junbo Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
| | - Kaifeng Niu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
- Department of Physics, Chemistry and Biology, IFM, Linköping University, Linköping 58183, Sweden
| | - Chaojie Xu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Huaming Zhu
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
| | - Honghe Ding
- National Synchrotron Radiation Laboratory, Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230029, China
| | - Dong Han
- National Synchrotron Radiation Laboratory, Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230029, China
| | - Yuanjing Zheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Jiahao Xi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Sifan You
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Chuan Deng
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
| | - Haiping Lin
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
| | - Johanna Rosen
- Department of Physics, Chemistry and Biology, IFM, Linköping University, Linköping 58183, Sweden
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei 230029, China
| | - Jonas Björk
- Department of Physics, Chemistry and Biology, IFM, Linköping University, Linköping 58183, Sweden
| | - Qing Li
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
- Department of Materials Science and Engineering, Macau University of Science and Technology, Macau 999078, China
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6
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Li DY, Wang Y, Hou XY, Ren YT, Kang LX, Xue FH, Zhu YC, Liu JW, Liu M, Shi XQ, Qiu X, Liu PN. On-Surface Synthesis of [3]Radialenes via [1+1+1] Cycloaddition. Angew Chem Int Ed Engl 2022; 61:e202117714. [PMID: 35179282 DOI: 10.1002/anie.202117714] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Indexed: 01/20/2023]
Abstract
[3]Radialenes are the smallest carbocyclic structures with unusual topologies and cross-conjugated π-electronic structures. Here, we report a novel [1+1+1] cycloaddition reaction for the synthesis of aza[3]radialenes on the Ag(111) surface, where the steric hindrance of the chlorine substituents guides the selective and orientational assembling of the isocyanide precursors. By combining scanning tunneling microscopy, non-contact atomic force microscopy, and time-of-flight secondary ion mass spectrometry, we determined the atomic structure of the produced aza[3]radialenes. Furthermore, two reaction pathways including synergistic and stepwise are proposed based on density functional theory calculations, which reveal the role of the chlorine substituents in the activation of the isocyano groups via electrostatic interaction.
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Affiliation(s)
- Deng-Yuan Li
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Ying Wang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Xiao-Yu Hou
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China.,Sino-Danish College, Sino-Danish Center for Education and Research, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yin-Ti Ren
- College of Physics Science and Technology, Hebei University, Baoding, 071002, China
| | - Li-Xia Kang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Fu-Hua Xue
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Ya-Cheng Zhu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Jian-Wei Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Mengxi Liu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xing-Qiang Shi
- College of Physics Science and Technology, Hebei University, Baoding, 071002, China
| | - Xiaohui Qiu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pei-Nian Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
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7
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Li D, Wang Y, Hou X, Ren Y, Kang L, Xue F, Zhu Y, Liu J, Liu M, Shi X, Qiu X, Liu P. On‐Surface Synthesis of [3]Radialenes via [1+1+1] Cycloaddition. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Deng‐Yuan Li
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Ying Wang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Xiao‐Yu Hou
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
- Sino-Danish College Sino-Danish Center for Education and Research University of Chinese Academy of Sciences Beijing 100049 China
| | - Yin‐Ti Ren
- College of Physics Science and Technology Hebei University Baoding 071002 China
| | - Li‐Xia Kang
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Fu‐Hua Xue
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Ya‐Cheng Zhu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Jian‐Wei Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
| | - Mengxi Liu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xing‐Qiang Shi
- College of Physics Science and Technology Hebei University Baoding 071002 China
| | - Xiaohui Qiu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Pei‐Nian Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center Frontiers Science Center for Materiobiology and Dynamic Chemistry School of Chemistry and Molecular Engineering East China University of Science & Technology 130 Meilong Road Shanghai 200237 China
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8
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Gong K, Li C, Zhang D, Lu H, Wang Y, Li H, Zhang H. Sulfonic acid functionalized covalent organic frameworks as efficient catalyst for the one-pot tandem reactions. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Yang B, Niu K, Haag F, Cao N, Zhang J, Zhang H, Li Q, Allegretti F, Björk J, Barth JV, Chi L. Abiotic Formation of an Amide Bond via Surface‐Supported Direct Carboxyl–Amine Coupling. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Biao Yang
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
- Physics Department E20 Technical University of Munich 85748 Garching Germany
| | - Kaifeng Niu
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
- Department of Physics, Chemistry and Biology, IFM Linköping University 58183 Linköping Sweden
| | - Felix Haag
- Physics Department E20 Technical University of Munich 85748 Garching Germany
| | - Nan Cao
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
- Physics Department E20 Technical University of Munich 85748 Garching Germany
| | - Junjie Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
| | - Haiming Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
| | - Qing Li
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
| | | | - Jonas Björk
- Department of Physics, Chemistry and Biology, IFM Linköping University 58183 Linköping Sweden
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich 85748 Garching Germany
| | - Lifeng Chi
- Institute of Functional Nano and Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices Soochow University 215123 Suzhou P. R. China
- Institute for Advanced Study (TUM-IAS) Technical University of Munich 85748 Garching Germany
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10
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Yang B, Niu K, Haag F, Cao N, Zhang J, Zhang H, Li Q, Allegretti F, Björk J, Barth JV, Chi L. Abiotic Formation of Amide Bond via Surface-Supported Direct Carboxyl-Amine Coupling. Angew Chem Int Ed Engl 2021; 61:e202113590. [PMID: 34708485 DOI: 10.1002/anie.202113590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Indexed: 11/08/2022]
Abstract
Amide bond formation is one of the most important reactions in biochemistry, notably being of crucial importance for the origin of life. Herein, we combine scanning tunneling microscopy and X-ray photoelectron spectroscopy studies to provide evidence for thermally activated abiotic formation of amide bonds between adsorbed precursors through direct carboxyl-amine coupling under ultrahigh vacuum conditions by means of on-surface synthesis. Complementary insights from temperature-programmed desorption measurements and density functional theory calculations reveal the competition between cross-coupling amide formation and decarboxylation reactions on the Au(111) surface. Furthermore, we demonstrate the critical influence of the employed metal support: whereas on Au(111) the coupling readily occurs, different reaction scenarios prevail on Ag(111) and Cu(111). The systematic experiments signal that archetypical bio-related molecules can be abiotically synthesized in clean environments without water or oxygen.
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Affiliation(s)
- Biao Yang
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Kaifeng Niu
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Felix Haag
- Technical University of Munich: Technische Universitat Munchen, Physics department, James-Franck-Straße 1, 85748, GARCHING, GERMANY
| | - Nan Cao
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Junjie Zhang
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Haiming Zhang
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Qing Li
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), 199 Ren-ai Road, Suzhou Industrial Park, 215123, Suzhou, CHINA
| | - Francesco Allegretti
- Technical University Munich: Technische Universitat Munchen, Physics department, James-Franck-Str.1, 85748, Garching, GERMANY
| | - Jonas Björk
- Linköping University, Department of Phesics, Chemistry and Biology, 58183, Linköping, SWEDEN
| | - Johannes V Barth
- Technical University of Munich: Technische Universitat Munchen, Physics department, James-Franck-Str.1, 85748, Garching, GERMANY
| | - Lifeng Chi
- Soochow University, Institute of Functional Nano & Soft Materials (FUNSOM), Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Box 33, 199 Ren-ai Road, Suzhou Industrial Park, also: Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, 215123, Suzhou, CHINA
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11
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Valenzuela C, Chen C, Sun M, Ye Z, Zhang J. Strategies and applications of covalent organic frameworks as promising nanoplatforms in cancer therapy. J Mater Chem B 2021; 9:3450-3483. [PMID: 33909746 DOI: 10.1039/d1tb00041a] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cancer nanomedicine is the best option to face the limits of conventional chemotherapy and phototherapy methods, and thus the intensive quest for new nanomaterials to improve therapeutic efficacy and safety is still underway. Owing to their low density, well-defined structures, large surface area, finely tunable pore size, and metal ion free features, covalent organic frameworks (COFs) have been extensively studied in many research fields. The recent great interest in nanoscale COFs to improve the properties of bulk COFs has led to broadening of their applicability in the biomedical field, such as nanocarriers with an outstanding loading capacity and efficient delivery of therapeutic agents, smart theranostic nanoplatforms with excellent stability, high ROS generation, light-to-heat conversion capabilities, and different response and diagnostic characteristics. The COFs and related nanoplatforms with a wide variety of designability and functionalization have opened up a new avenue for exciting opportunities in cancer therapy. Herein we review the state-of-the-art technical and scientific developments in this emerging field, focusing on the overall progress addressed so far in building versatile COF-based nanoplatforms to enhance chemotherapy, photodynamic/photothermal therapy, and combination. Future perspectives for achieving the synergistic effect of cancer elimination and clinical translation are further discussed to motivate future contributions and explore new possibilities.
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Affiliation(s)
- Cristian Valenzuela
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Chu Chen
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Mengxiao Sun
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Zhanpeng Ye
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Jianhua Zhang
- Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China. and Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300350, China
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12
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Han D, Zhu J. Surface-assisted fabrication of low-dimensional carbon-based nanoarchitectures. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2021; 33:343001. [PMID: 34111858 DOI: 10.1088/1361-648x/ac0a1b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/10/2021] [Indexed: 06/12/2023]
Abstract
On-surface synthesis, as an alternative to traditional in-solution synthesis, has become an emerging research field and attracted extensive attention over the past decade due to its ability to fabricate nanoarchitectures with exotic properties. Compared to wet chemistry, the on-surface synthesis conducted on atomically flat solid surfaces under ultrahigh vacuum exhibits unprecedented characteristics and advantages, opening novel reaction pathways for chemical synthesis. Various low-dimensional nanostructures have been fabricated on solid surfaces (mostly metal surfaces) based on this newly developed approach. This paper reviews the classic and latest works regarding carbon-based low-dimensional nanostructures since the arrival of on-surface synthesis era. These nanostructures are categorized into zero-, one- and two-dimensional classes and each class is composed of numerous sub-nanostructures. For certain specific nanostructures, comprehensive reports are given, including precursor design, substrate choice, synthetic strategies and so forth. We hope that our review will shed light on the fabrication of some significant nanostructures in this young and promising scientific area.
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Affiliation(s)
- Dong Han
- National Synchrotron Radiation Laboratory, Department of Chemical Physics, University of Science and Technology of China, Hefei 230029, People's Republic of China
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory, Department of Chemical Physics, University of Science and Technology of China, Hefei 230029, People's Republic of China
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13
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Yang K, Wang P, Sun ZY, Guo M, Zhao W, Tang X, Wang G. Hydrogen-Bonding Controlled Nickel-Catalyzed Regioselective Cyclotrimerization of Terminal Alkynes. Org Lett 2021; 23:3933-3938. [PMID: 33970647 DOI: 10.1021/acs.orglett.1c01095] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein we report a hydrogen-bonding controlled nickel-catalyzed regioselective cyclotrimerization of terminal alkynes in moderate to excellent yields with high regioselectivities toward 1,3,5-trisubstituted benzenes. This method features a cheap catalyst, mild reaction conditions, and excellent functional group compatibility. The Ni-B(OH)2 complex in situ generated from NiCl2·DME and tetrahydroxydiboron might act as an active catalyst. After three consecutive cis-additions of terminal alkynes, internal migratory insertion cyclization, and β-boron elimination induced aromatization, 1,3,5-trisubstituted benzenes were selectively established.
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Affiliation(s)
- Kai Yang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Pengfei Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Ze-Ying Sun
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Minjie Guo
- Institute for Molecular Design and Synthesis, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Wentao Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Xiangyang Tang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
| | - Guangwei Wang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, P. R. China
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14
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Zhang G, Zeng Y, Gordiichuk P, Strano MS. Chemical kinetic mechanisms and scaling of two-dimensional polymers via irreversible solution-phase reactions. J Chem Phys 2021; 154:194901. [PMID: 34240902 DOI: 10.1063/5.0044050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Two-dimensional (2D) polymers are extended networks of multi-functional repeating units that are covalently linked together but confined to a single plane. The past decade has witnessed a surge in interest and effort toward producing and utilizing 2D polymers. However, facile synthesis schemes suitable for mass production are yet to be realized. In addition, unifying theories to describe the 2D polymerization process, such as those for linear polymers, have not yet been established. Herein, we perform a chemical kinetic simulation to study the recent synthesis of 2D polymers in homogeneous solution with irreversible chemistry. We show that reaction sites for polymerization in 2D always scale unfavorably compared to 3D, growing as molecular weight to the 1/2 power vs 2/3 power for 3D. However, certain mechanisms can effectively suppress out-of-plane defect formation and subsequent 3D growth. We consider two such mechanisms, which we call bond-planarity and templated autocatalysis. In the first, although single bonds can easily rotate out-of-plane to render polymerization in 3D, some double-bond linkages prefer a planar configuration. In the second mechanism, stacked 2D plates may act as van der Waals templates for each other to enhance growth, which leads to an autocatalysis. When linkage reactions possess a 1000:1 selectivity (γ) for staying in plane vs rotating, solution-synthesized 2D polymers can have comparable size and yield with those synthesized from confined polymerization on a surface. Autocatalysis could achieve similar effects when self-templating accelerates 2D growth by a factor β of 106. A combined strategy relaxes the requirement of both mechanisms by over one order of magnitude. We map the dependence of molecular weight and yield for the 2D polymer on the reaction parameters, allowing experimental results to be used to estimate β and γ. Our calculations show for the first time from theory the feasibility of producing two-dimensional polymers from irreversible polymerization in solution.
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Affiliation(s)
- Ge Zhang
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Yuwen Zeng
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Pavlo Gordiichuk
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Michael S Strano
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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15
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Che S, Li C, Wang C, Zaheer W, Ji X, Phillips B, Gurbandurdyyev G, Glynn J, Guo ZH, Al-Hashimi M, Zhou HC, Banerjee S, Fang L. Solution-processable porous graphitic carbon from bottom-up synthesis and low-temperature graphitization. Chem Sci 2021; 12:8438-8444. [PMID: 34221325 PMCID: PMC8221055 DOI: 10.1039/d1sc01902c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/17/2021] [Indexed: 11/21/2022] Open
Abstract
It is urgently desired yet challenging to synthesize porous graphitic carbon (PGC) in a bottom-up manner while circumventing the need for high-temperature pyrolysis. Here we present an effective and scalable strategy to synthesize PGC through acid-mediated aldol triple condensation followed by low-temperature graphitization. The deliberate structural design enables its graphitization in situ in solution and at low pyrolysis temperature. The resulting material features ultramicroporosity characterized by a sharp pore size distribution. In addition, the pristine homogeneous composition of the reaction mixture allows for solution-processability of the material for further characterization and applications. Thin films of this PGC exhibit several orders of magnitude higher electrical conductivity compared to analogous control materials that are carbonized at the same temperatures. The integration of low-temperature graphitization and solution-processability not only allows for an energy-efficient method for the production and fabrication of PGC, but also paves the way for its wider employment in applications such as electrocatalysis, sensing, and energy storage.
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Affiliation(s)
- Sai Che
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum Changping Beijing 102249 China
| | - Chenxuan Li
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Chenxu Wang
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Wasif Zaheer
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Xiaozhou Ji
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Bailey Phillips
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | | | - Jessica Glynn
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
| | - Zi-Hao Guo
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology Guangzhou Guangdong 510640 China
| | - Mohammed Al-Hashimi
- Department of Chemistry, Texas A&M University at Qatar P. O. Box 23874 Doha Qatar
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Sarbajit Banerjee
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
| | - Lei Fang
- Department of Chemistry, Texas A&M University College Station Texas 77843 USA
- Department of Materials Science & Engineering, Texas A&M University College Station Texas 77843 USA
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16
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Han Y, Wang J, Song L, Zheng Y, Li Y, Lin H, Li Q, Chi L. A Fundamental Role of the Molecular Length in Forming Metal-Organic Hybrids of Phenol Derivatives on Silver Surfaces. J Phys Chem Lett 2021; 12:1869-1875. [PMID: 33586446 DOI: 10.1021/acs.jpclett.1c00005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In on-surface chemistry, the efficient preparation of metal-organic hybrids is regarded as a primary path to mediate controlled synthesis of well-ordered low-dimensional organic nanostructures. The fundamental mechanisms in forming these hybrid structures, however, are so far insufficiently explored. Here, with scanning tunneling microscopy, we studied the bonding behavior of the adsorbed phenol derivatives with different molecular lengths. We reveal that shorter molecules favor bonding with extracted metal adatoms and result in metal-organic hybrids, whereas longer molecules prefer to bond with lattice metal atoms. The conclusions are further confirmed by density functional theory calculations.
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Affiliation(s)
- Yangyang Han
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Junbo Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Luying Song
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Yuanjing Zheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
| | - Haiping Lin
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China
| | - Qing Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China
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17
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Shi G, Zhou J, Li Z, Sun Y, Kantorovich LN, Fang Q, Besenbacher F, Yu M. Graphene‐Like Covalent Organic Framework with a Wide Band Gap Synthesized On Surface via Stepwise Reactions. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Guoqiang Shi
- State Key Laboratory of Urban Water Resource and Environment School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
| | - Junfeng Zhou
- Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 China
| | - Zhuo Li
- State Key Laboratory of Urban Water Resource and Environment School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
| | - Ye Sun
- Condensed Matter Science and Technology Institute Harbin Institute of Technology Harbin 150001 China
| | - Lev N. Kantorovich
- Department of Physics King's College London The Strand London WC2R 2LS UK
| | - Qiang Fang
- Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 China
| | - Flemming Besenbacher
- Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy Aarhus University Aarhus 8000 Denmark
| | - Miao Yu
- State Key Laboratory of Urban Water Resource and Environment School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
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18
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Shi G, Zhou J, Li Z, Sun Y, Kantorovich LN, Fang Q, Besenbacher F, Yu M. Graphene-Like Covalent Organic Framework with a Wide Band Gap Synthesized On Surface via Stepwise Reactions. Angew Chem Int Ed Engl 2020; 59:15958-15962. [PMID: 32516498 DOI: 10.1002/anie.202006176] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Indexed: 11/10/2022]
Abstract
Developing graphene-like two-dimensional materials naturally possessing a band gap has sparked enormous interest. Thanks to the inherent wide band gap and high mobility in the 2D plane, covalent organic frameworks containing triazine rings (t-COFs) hold great promise in this regard, whilst the synthesis of single-layer t-COFs remains highly challenging. Herein, we present the fabrication of a well-defined graphene-like t-COF on Au(111). Instead of single/multiple-step single-type reactions commonly applied for on-surface synthesis, distinct stepwise on-surface reactions, including alkynyl cyclotrimerization, C-O bond cleavage, and C-H bond activation, are triggered on demand, leading to product evolution in a controlled step-by-step manner. Aside from the precise control in sophisticated on-surface synthesis, this work proposes a single-atomic-layer organic semiconductor with a wide band gap of 3.41 eV.
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Affiliation(s)
- Guoqiang Shi
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Junfeng Zhou
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Zhuo Li
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Ye Sun
- Condensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin, 150001, China
| | - Lev N Kantorovich
- Department of Physics, King's College London, The Strand, London, WC2R 2LS, UK
| | - Qiang Fang
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Flemming Besenbacher
- Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, Aarhus, 8000, Denmark
| | - Miao Yu
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
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19
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Kunitake M, Tanoue R, Higuchi R, Yoshimoto S, Haraguchi R, Uemura S, Kimizuka N, Stieg AZ, Gimzewski JK. Monomolecular covalent honeycomb nanosheets produced by surface-mediated polycondensation between 1,3,5-triamino benzene and benzene-1,3,5-tricarbox aldehyde on Au(111). NANOSCALE ADVANCES 2020; 2:3202-3208. [PMID: 36134287 PMCID: PMC9417909 DOI: 10.1039/d0na00180e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/27/2020] [Indexed: 06/16/2023]
Abstract
Fabrication of a two-dimensional covalent network of honeycomb nanosheets comprising small 1,3,5-triamino benzene and benzene-1,3,5-tricarboxaldehyde aromatic building blocks was conducted on Au(111) in a pH-controlled aqueous solution. In situ scanning tunneling microscopy revealed a large defect-free and homogeneous honeycomb π-conjugated nanosheet at the Au(111)/liquid interface. An electrochemical potential dependence indicated that the nanosheets were the result of thermodynamic self-assembly based not only on the reaction equilibrium but also on the adsorption (partition) equilibrium, which was controlled by the building block surface coverage as a function of electrode potential.
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Affiliation(s)
- Masashi Kunitake
- Institute of Industrial Nanomaterials, Kumamoto University 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
| | - Ryota Tanoue
- Graduate School of Science and Technology, Kumamoto University 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
| | - Rintaro Higuchi
- Graduate School of Science and Technology, Kumamoto University 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
| | - Soichiro Yoshimoto
- Institute of Industrial Nanomaterials, Kumamoto University 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
| | - Ryusei Haraguchi
- Graduate School of Science and Technology, Kumamoto University 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
| | - Shinobu Uemura
- Faculty of Engineering and Design, Kagawa University 2217-20 Hayashi-cho Takamatsu Kagawa 761-0396 Japan
| | - Nobuo Kimizuka
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Adam Z Stieg
- California NanoSystems Institute 570 Westwood Plaza Los Angeles CA 90095 USA
- WPI Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - James K Gimzewski
- California NanoSystems Institute 570 Westwood Plaza Los Angeles CA 90095 USA
- WPI Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
- Department of Chemistry and Biochemistry, University of California-Los Angeles 607 Charles E. Young Drive East Los Angeles CA 90095 USA
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20
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Geng K, He T, Liu R, Dalapati S, Tan KT, Li Z, Tao S, Gong Y, Jiang Q, Jiang D. Covalent Organic Frameworks: Design, Synthesis, and Functions. Chem Rev 2020; 120:8814-8933. [PMID: 31967791 DOI: 10.1021/acs.chemrev.9b00550] [Citation(s) in RCA: 1182] [Impact Index Per Article: 295.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Covalent organic frameworks (COFs) are a class of crystalline porous organic polymers with permanent porosity and highly ordered structures. Unlike other polymers, a significant feature of COFs is that they are structurally predesignable, synthetically controllable, and functionally manageable. In principle, the topological design diagram offers geometric guidance for the structural tiling of extended porous polygons, and the polycondensation reactions provide synthetic ways to construct the predesigned primary and high-order structures. Progress over the past decade in the chemistry of these two aspects undoubtedly established the base of the COF field. By virtue of the availability of organic units and the diversity of topologies and linkages, COFs have emerged as a new field of organic materials that offer a powerful molecular platform for complex structural design and tailor-made functional development. Here we target a comprehensive review of the COF field, provide a historic overview of the chemistry of the COF field, survey the advances in the topology design and synthetic reactions, illustrate the structural features and diversities, scrutinize the development and potential of various functions through elucidating structure-function correlations based on interactions with photons, electrons, holes, spins, ions, and molecules, discuss the key fundamental and challenging issues that need to be addressed, and predict the future directions from chemistry, physics, and materials perspectives.
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Affiliation(s)
- Keyu Geng
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Ting He
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Ruoyang Liu
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Sasanka Dalapati
- Field of Environment and Energy, School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan
| | - Ke Tian Tan
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Zhongping Li
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Shanshan Tao
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Yifan Gong
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Qiuhong Jiang
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Donglin Jiang
- Department of Chemistry, Faulty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, P. R. China
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21
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Jin Y, Hu Y, Ortiz M, Huang S, Ge Y, Zhang W. Confined growth of ordered organic frameworks at an interface. Chem Soc Rev 2020; 49:4637-4666. [DOI: 10.1039/c9cs00879a] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This tutorial review covers the recent design, synthesis, characterization, and property study of COF thin films and covalent monolayers through interfacial polymerization.
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Affiliation(s)
- Yinghua Jin
- Department of Chemistry
- University of Colorado
- Boulder
- USA
| | - Yiming Hu
- Department of Chemistry
- University of Colorado
- Boulder
- USA
| | - Michael Ortiz
- Department of Chemistry
- University of Colorado
- Boulder
- USA
| | | | - Yanqing Ge
- Department of Chemistry
- University of Colorado
- Boulder
- USA
- School of Chemistry and Pharmaceutical Engineering
| | - Wei Zhang
- Department of Chemistry
- University of Colorado
- Boulder
- USA
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22
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Li J, Jing X, Li Q, Li S, Gao X, Feng X, Wang B. Bulk COFs and COF nanosheets for electrochemical energy storage and conversion. Chem Soc Rev 2020; 49:3565-3604. [DOI: 10.1039/d0cs00017e] [Citation(s) in RCA: 314] [Impact Index Per Article: 78.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The current advances, structure-property relationship and future perspectives in covalent organic frameworks (COFs) and their nanosheets for electrochemical energy storage (EES) and conversion (EEC) are summarized.
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Affiliation(s)
- Jie Li
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Xuechun Jing
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Qingqing Li
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Siwu Li
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Xing Gao
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Xiao Feng
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
| | - Bo Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- Key Laboratory of Cluster Science
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
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23
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Chen X, Geng K, Liu R, Tan KT, Gong Y, Li Z, Tao S, Jiang Q, Jiang D. Kovalente organische Gerüstverbindungen: chemische Ansätze für Designerstrukturen und integrierte Funktionen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904291] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xinyi Chen
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Keyu Geng
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Ruoyang Liu
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Ke Tian Tan
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Yifan Gong
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Zhongping Li
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Shanshan Tao
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Qiuhong Jiang
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
| | - Donglin Jiang
- Department of ChemistryFaculty of ScienceNational University of Singapore 3 Science Drive 3 Singapur 117543 Singapur
- Joint School of National University of Singapore, and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou 350207 China
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24
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Chen X, Geng K, Liu R, Tan KT, Gong Y, Li Z, Tao S, Jiang Q, Jiang D. Covalent Organic Frameworks: Chemical Approaches to Designer Structures and Built-In Functions. Angew Chem Int Ed Engl 2019; 59:5050-5091. [PMID: 31144373 DOI: 10.1002/anie.201904291] [Citation(s) in RCA: 257] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Indexed: 12/31/2022]
Abstract
A new approach has been developed to design organic polymers using topology diagrams. This strategy enables covalent integration of organic units into ordered topologies and creates a new polymer form, that is, covalent organic frameworks. This is a breakthrough in chemistry because it sets a molecular platform for synthesizing polymers with predesignable primary and high-order structures, which has been a central aim for over a century but unattainable with traditional design principles. This new field has its own features that are distinct from conventional polymers. This Review summarizes the fundamentals as well as major progress by focusing on the chemistry used to design structures, including the principles, synthetic strategies, and control methods. We scrutinize built-in functions that are specific to the structures by revealing various interplays and mechanisms involved in the expression of function. We propose major fundamental issues to be addressed in chemistry as well as future directions from physics, materials, and application perspectives.
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Affiliation(s)
- Xinyi Chen
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Keyu Geng
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Ruoyang Liu
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Ke Tian Tan
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Yifan Gong
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Zhongping Li
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Shanshan Tao
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Qiuhong Jiang
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Donglin Jiang
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
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25
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Zhang C, Kazuma E, Kim Y. Atomic‐Scale Visualization of the Stepwise Metal‐Mediated Dehalogenative Cycloaddition Reaction Pathways: Competition between Radicals and Organometallic Intermediates. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909111] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chi Zhang
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Emiko Kazuma
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Yousoo Kim
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
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26
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Zhang C, Kazuma E, Kim Y. Atomic‐Scale Visualization of the Stepwise Metal‐Mediated Dehalogenative Cycloaddition Reaction Pathways: Competition between Radicals and Organometallic Intermediates. Angew Chem Int Ed Engl 2019; 58:17736-17744. [DOI: 10.1002/anie.201909111] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/16/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Chi Zhang
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Emiko Kazuma
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Yousoo Kim
- Surface and Interface Science Laboratory RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
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27
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Sakamoto R, Fukui N, Maeda H, Matsuoka R, Toyoda R, Nishihara H. The Accelerating World of Graphdiynes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804211. [PMID: 31222848 DOI: 10.1002/adma.201804211] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 03/27/2019] [Indexed: 05/08/2023]
Abstract
Graphdiyne (GDY), a 2D allotrope of graphene, is first synthesized in 2010 and has attracted attention as a new low-dimensional carbon material. This work surveys the literature on GDYs. The history of GDYs is summarized, including their relationship with 2D graphyne carbons and yearly publication trends. GDY is a molecule-based nanosheet woven from a molecular monomer, hexaethynylbenzene; thus, it is synthesized by bottom-up approaches, which allow rich variation via monomer design. The GDY family and the synthetic procedures are also described. Highly developed π-conjugated electronic structures are common important features in GDY and graphene; however, the coexistence of sp and sp2 carbons differentiates GDY from graphene. This difference gives rise to unique physical properties, such as high conductivity and large carrier mobility. Next, the theoretical and experimental studies of these properties are described in detail. A wide variety of applications are proposed for GDYs, including electrocatalysts and energy devices, which exploit the carbon-rich nature, porous framework, and expanded π-electron system of these compounds. Finally, potential uses are discussed.
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Affiliation(s)
- Ryota Sakamoto
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
- JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Naoya Fukui
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroaki Maeda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ryota Matsuoka
- Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
| | - Ryojun Toyoda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroshi Nishihara
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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28
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Li W, Qiu S, Xu C, Hu J, Chen X. Two solvent-induced variable host-guest two-dimensional binary frameworks mediated by hydrogen bonding. Phys Chem Chem Phys 2019; 21:8940-8944. [PMID: 30985852 DOI: 10.1039/c9cp01395d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two-dimensional binary hydrogen-bonded organic frameworks constructed from 1,3,5-benzenetricarboxylic acid (TMA) and 4,4'-biphenyldicarboxylic acid (BDA) on highly oriented pyrolytic graphite (HOPG) were investigated by scanning tunneling microscopy (STM) in heptanoic acid and octanoic acid solvents. High-resolution STM observations demonstrated that various assemblies of hydrogen-bonded networks are strongly dependent on the nature of the solvent. Well-ordered porous rectangular flowerlike networks were revealed at the heptanoic acid/HOPG interface, whereas two different coexisting densely packed guest-host BDA/TMA structures were observed at the octanoic acid/HOPG interface. It is suggested that the stabilization of the binary networks is possibly associated with the solvent chain length, and longer-chain solvents favored the formation of porous polymorphic networks.
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Affiliation(s)
- Wei Li
- Department of Science, Nanchang Institute of Technology, Nanchang 330099, P. R. China.
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29
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Pigot C, Dumur F. Recent Advances of Hierarchical and Sequential Growth of Macromolecular Organic Structures on Surface. MATERIALS 2019; 12:ma12040662. [PMID: 30813327 PMCID: PMC6416628 DOI: 10.3390/ma12040662] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 02/01/2023]
Abstract
The fabrication of macromolecular organic structures on surfaces is one major concern in materials science. Nanoribbons, linear polymers, and porous nanostructures have gained a lot of interest due to their possible applications ranging from nanotemplates, catalysis, optoelectronics, sensors, or data storage. During decades, supramolecular chemistry has constituted an unavoidable approach for the design of well-organized structures on surfaces displaying a long-range order. Following these initial works, an important milestone has been established with the formation of covalent bonds between molecules. Resulting from this unprecedented approach, various nanostructures of improved thermal and chemical stability compared to those obtained by supramolecular chemistry and displaying unique and unprecedented properties have been developed. However, a major challenge exists: the growth control is very delicate and a thorough understanding of the complex mechanisms governing the on-surface chemistry is still needed. Recently, a new approach consisting in elaborating macromolecular structures by combining consecutive steps has been identified as a promising strategy to elaborate organic structures on surface. By designing precursors with a preprogrammed sequence of reactivity, a hierarchical or a sequential growth of 1D and 2D structures can be realized. In this review, the different reaction combinations used for the design of 1D and 2D structures are reported. To date, eight different sequences of reactions have been examined since 2008, evidencing the intense research activity existing in this field.
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Affiliation(s)
- Corentin Pigot
- Aix Marseille Univ, CNRS, ICR UMR 7273, F-13397 Marseille, France.
| | - Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR UMR 7273, F-13397 Marseille, France.
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30
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Ebeling D, Zhong Q, Schlöder T, Tschakert J, Henkel P, Ahles S, Chi L, Mollenhauer D, Wegner HA, Schirmeisen A. Adsorption Structure of Mono- and Diradicals on a Cu(111) Surface: Chemoselective Dehalogenation of 4-Bromo-3″-iodo- p-terphenyl. ACS NANO 2019; 13:324-336. [PMID: 30550265 DOI: 10.1021/acsnano.8b06283] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Selectivity is a key parameter for building customized organic nanostructures via bottom-up approaches. Therefore, strategies are needed that allow connecting molecular entities at a specific stage of the assembly process in a chemoselective manner. Studying the mechanisms of such reactions is the key to apply these transformations for the buildup of organic nanostructures on surfaces. Especially, the knowledge about the precise adsorption geometry of intermediates at different stages during the reaction process and their interactions with surface atoms or adatoms is of fundamental importance, since often catalytic processes are involved. We show the selective dehalogenation of 4-bromo-3″-iodo- p-terphenyl on the Cu(111) surface using bond imaging atomic force microscopy with CO-functionalized tips. The deiodination and debromination reactions are triggered either by heating or by locally applying voltage pulses with the tip. We observed a strong hierarchical behavior of the dehalogenation with respect to temperature and voltage. In connection with first-principles simulations we can determine the orientation and position of the pristine molecules as well as adsorbed mono/diradicals and the halogens. We find that the isolated radicals are chemisorbed to Cu(111) top sites, which are lifted by 16 pm ( meta-position) and 32 pm ( para-position) from the Cu surface plane. This leads to a strongly twisted and bent 3D adsorption structure. After heating, different types of dimers are observed whose molecules are either bound to surface atoms or connected via Cu adatoms. Such knowledge about the intermediate geometry and its interaction with the surface will open the way to rationally design syntheses on surfaces.
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Affiliation(s)
- Daniel Ebeling
- Institute of Applied Physics , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
| | - Qigang Zhong
- Institute of Applied Physics , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Institute of Functional Nano & Soft Materials (FUNSOM) , Soochow University , 215123 Suzhou , People's Republic of China
| | - Tobias Schlöder
- Institute of Physical Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Jalmar Tschakert
- Institute of Applied Physics , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
| | - Pascal Henkel
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Institute of Physical Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Sebastian Ahles
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Institute of Organic Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM) , Soochow University , 215123 Suzhou , People's Republic of China
| | - Doreen Mollenhauer
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Institute of Physical Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Hermann A Wegner
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Institute of Organic Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - André Schirmeisen
- Institute of Applied Physics , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
- Center for Materials Research (LaMa) , Justus Liebig University Giessen , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
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31
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Xu L, Liu R, Wang F, Yan S, Shi X, Yang J. Preparation of triazine containing porous organic polymer for high performance supercapacitor applications. RSC Adv 2019; 9:1586-1590. [PMID: 35518024 PMCID: PMC9059576 DOI: 10.1039/c8ra09099h] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 01/06/2019] [Indexed: 11/24/2022] Open
Abstract
By condensing M and TFP under solvothermal conditions, a new porous organic polymer POPM–TFP was obtained. The electrode modified with triazine containing POPM–TFP exhibits well-defined rapid redox processes and showed a high specific capacitance of 130.5 F g−1 at 2 A g−1, suggesting well electrochemical performance. POPM–TFP which exhibit well-defined rapid redox processes and high capacitance was prepared under solvothermal conditions.![]()
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Affiliation(s)
- Lirong Xu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
| | - Ruiying Liu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
| | - Fang Wang
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
| | - Shina Yan
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
| | - Xinxin Shi
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
| | - Jiaqin Yang
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu
- China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
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32
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Yang B, Cao N, Ju H, Lin H, Li Y, Ding H, Ding J, Zhang J, Peng C, Zhang H, Zhu J, Li Q, Chi L. Intermediate States Directed Chiral Transfer on a Silver Surface. J Am Chem Soc 2018; 141:168-174. [PMID: 30472840 DOI: 10.1021/jacs.8b05699] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Chiral synthesis on surfaces has acquired tremendous interest. We herein report a novel approach of two-dimensional chiral transfer directed by metal-organic intermediate states on a silver surface. With initial deposition at low temperature, the achiral 4,4'-dihydroxybiphenyl molecules self-assemble into large scale two-dimensional networks with 4-fold symmetry via intermolecular hydrogen bonding. Fine controlled annealing, however, leads to the formation of tetramer-like chiral metal-organic hybrids, which self-organize into enantiomeric islands on the Ag(100) surface. Subsequent ortho C-C couplings of the reactants lead to dimer products. Of great importance, the chirality expressions of the dimer products are observed to be transferred directly from that of the tetramer intermediate states. The detailed reaction pathways are rationalized by DFT calculations and synchrotron-based XPS experiments, demonstrating the mechanisms of the chiral transfer.
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Affiliation(s)
- Biao Yang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Nan Cao
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Huanxin Ju
- National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and Technology , University of Science and Technology of China , Hefei , Anhui 230029 , China
| | - Haiping Lin
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Youyong Li
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Honghe Ding
- National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and Technology , University of Science and Technology of China , Hefei , Anhui 230029 , China
| | - Jinqiang Ding
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Junjie Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Chencheng Peng
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Haiming Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and Technology , University of Science and Technology of China , Hefei , Anhui 230029 , China
| | - Qing Li
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
| | - Lifeng Chi
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China
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33
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Okazaki T, Nakanishi R, Kitagawa T. Effect of solvation of ionic liquid on Brønsted acid-catalyzed aldol cyclotrimerization of indanones and related cyclic ketones. J PHYS ORG CHEM 2018. [DOI: 10.1002/poc.3887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Takao Okazaki
- Department of Chemistry for Materials, Graduate School of Engineering; Mie University; Tsu Mie Japan
| | - Ryota Nakanishi
- Department of Chemistry for Materials, Graduate School of Engineering; Mie University; Tsu Mie Japan
| | - Toshikazu Kitagawa
- Department of Chemistry for Materials, Graduate School of Engineering; Mie University; Tsu Mie Japan
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34
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Sun Y, Hamada I. Insight into the Solvation Structure of Tetraglyme-Based Electrolytes via First-Principles Molecular Dynamics Simulation. J Phys Chem B 2018; 122:10014-10022. [PMID: 30299952 DOI: 10.1021/acs.jpcb.8b07098] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Glyme-lithium salt equimolar mixtures, as solvate ionic liquid electrolytes for rechargeable lithium secondary batteries, are of great interest, due to the desirable properties such as high oxidative stability, low vapor pressure, and nonflammability. However, the fundamental understanding of the solvation shell structure in glyme electrolytes has not been clearly established. Herein, we employ first-principles molecular dynamics (FPMD) simulation to study the lithium bis(trifluoromethylsulfonyl)-amide (LiTFSA) and tetraglyme (G4) electrolyte system. For the case of equimolar ratio, a positive correlation between the total coordination number of Li+ ions and the phase stability is clearly established. At the ground state of equimolar LiTFSA-G4 electrolyte, most of the Li+ ions are coordinated to four O atoms of a curled G4 molecule and one O atom of a TFSA- anion, equivalent to the second most stable contact ion pair in gas-phase cluster calculations. By contrast, Li+ ions prefer to be coordinated by two G4 molecules and not in direct contact with TFSA- anions at a low concentration of Li salt. The significantly increased probability of pairing between the Li-G4 complexes and TFSA- anions at the equimolar ratio could be highly relevant to its ionic-liquid-like properties.
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Affiliation(s)
- Yang Sun
- Global Research Center for Environment and Energy based on Nanomaterials Science (GREEN) , National Institute for Materials Science , 1-1 Namiki , Tsukuba 305-0044 , Japan
| | - Ikutaro Hamada
- Global Research Center for Environment and Energy based on Nanomaterials Science (GREEN) , National Institute for Materials Science , 1-1 Namiki , Tsukuba 305-0044 , Japan.,Department of Precision Science and Technology, Graduate School of Engineering , Osaka University , 2-1 Yamada-oka , Suita , Osaka 565-0871 , Japan
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35
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Hellwig R, Uphoff M, Paintner T, Björk J, Ruben M, Klappenberger F, Barth JV. Ho-Mediated Alkyne Reactions at Low Temperatures on Ag(111). Chemistry 2018; 24:16126-16135. [PMID: 30039631 DOI: 10.1002/chem.201803102] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Indexed: 11/05/2022]
Abstract
Low-temperature approaches to catalytic conversions promise efficiency, selectivity, and sustainable processes. Control over certain coupling reactions can be obtained via the pre-positioning of reactive moieties by self-assembly. However, in the striving field of on-surface synthesis atomistic precision and control remains largely elusive, because the employed coupling reactions proceed at temperatures beyond the thermal stability of the supramolecular templates. Here, utilizing scanning tunneling microscopy, we demonstrate terminal alkyne on-surface reactions mediated by Ho atoms at a weakly reactive Ag(111) substrate at low-temperatures. Density functional theory calculations confirm the catalytic activity of the involved adatoms. Pre-deposited Ho induces alkyne dehydrogenation starting at substrate temperatures as low as 100 K. Ho arriving at molecularly pre-covered surfaces held at 130 and 200 K produces covalent enyne-linked dimers and initiates cyclotrimerization, respectively. Statistical product analysis indicates a two-step pathway for the latter, whereby the enyne intermediates influence the distribution of the products. High chemoselectivity results from the absence of cyclotetramerization and diyne-forming homocoupling. Our analysis indicates that mainly the arriving Ho adatoms enable the coupling. These findings support the concept of dynamic heterogeneity by single-atom catalysts and pave the way for alternative means to control on-surface reactions.
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Affiliation(s)
- Raphael Hellwig
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Martin Uphoff
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Tobias Paintner
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Jonas Björk
- Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
| | - Mario Ruben
- Institute für Nanotechnologie, Karlsruher Institut für Technologie (KIT), 76344, Eggenstein-Leopoldshafen, Germany.,Institut de Physique et Chimie de Matériaux de Strasbourg (IPCMS), CNRS-Université de Strasbourg, 67034, Strasbourg, France
| | | | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
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36
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Zhang CL, Zhang ZF, Xia ZH, Han YF, Ye S. DBU-Mediated Construction of 1,3,5-Trisubstituted Benzenes via Annulation of α,β-Unsaturated Carboxylic Acids and α-Cyano-β-methylenones. J Org Chem 2018; 83:12507-12513. [PMID: 30247035 DOI: 10.1021/acs.joc.8b01740] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A DBU-mediated synthesis of 1,3,5-trisubstituted benzenes was developed via the [2 + 4] annulation of in situ activated α,β-unsaturated carboxylic acids and α-cyano-β-methylenones. The dual role of DBU as Brønsted base and nucleophilic Lewis base is the key for the success of the reaction.
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Affiliation(s)
- Chun-Lin Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China
| | - Zhao-Fei Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Zi-Hao Xia
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - You-Feng Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
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37
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De Marchi F, Galeotti G, Simenas M, Tornau EE, Pezzella A, MacLeod J, Ebrahimi M, Rosei F. Room-temperature surface-assisted reactivity of a melanin precursor: silver metal-organic coordination versus covalent dimerization on gold. NANOSCALE 2018; 10:16721-16729. [PMID: 30156253 DOI: 10.1039/c8nr04002h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The ability of catecholamines to undergo oxidative self-polymerization provides an attractive route for preparation of coatings for biotechnology and biomedicine applications. However, efforts toward developing a complete understanding of the mechanism that underpins polymerization have been hindered by the multiple catechol crosslinking reaction pathways that occur during the reaction. Scanning tunneling microscopy allows the investigation of small molecules in a reduced-complexity environment, providing important insight into how the intermolecular forces drive the formation of supramolecular assemblies in a controlled setting. Capitalizing on this approach, we studied the self-assembly of 5,6-dihydroxy-indole (DHI) on Au(111) and Ag(111) to investigate the interactions that affect the two-dimensional growth mechanism and to elucidate the behavior of the catechol group on these two surfaces. X-ray photoelectron spectroscopy, together with density functional theory and Monte Carlo modeling, helps unravel the differences between the two systems. The molecules form large ordered domains, yet with completely different architectures. Our data reveal that some of the DHI molecules deposited on Ag are in a modified redox state, with their catechol group oxidized into quinone. On Ag(111), the molecules are deposited in long-range lamellar patterns stabilized by metal-organic coordination, while covalent dimer pairs are observed on Au(111). We also show that the oxidation susceptibility is affected by the substrate, with the DHI/Au remaining inert even after being exposed to O2 gas.
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Affiliation(s)
- F De Marchi
- Centre Energie, Materiaux et Telecommunications, Institut National de la Recherche Scientifique, 1650 Boulevard Lionel-Boulet, Varennes, QC, Canada J3X 1S2.
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38
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Zhong Q, Ebeling D, Tschakert J, Gao Y, Bao D, Du S, Li C, Chi L, Schirmeisen A. Symmetry breakdown of 4,4″-diamino-p-terphenyl on a Cu(111) surface by lattice mismatch. Nat Commun 2018; 9:3277. [PMID: 30115915 PMCID: PMC6095862 DOI: 10.1038/s41467-018-05719-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 07/24/2018] [Indexed: 11/13/2022] Open
Abstract
Site-selective functionalization of only one of two identical chemical groups within one molecule is highly challenging, which hinders the production of complex organic macromolecules. Here we demonstrate that adsorption of 4,4″-diamino-p-terphenyl on a metal surface leads to a dissymmetric binding affinity. With low temperature atomic force microscopy, using CO-tip functionalization, we reveal the asymmetric adsorption geometries of 4,4″-diamino-p-terphenyl on Cu(111), while on Au(111) the symmetry is retained. This symmetry breaking on Cu(111) is caused by a lattice mismatch and interactions with the subsurface atomic layer. The dissymmetry results in a change of the binding affinity of one of the amine groups, leading to a non-stationary behavior under the influence of the scanning tip. Finally, we exploit this dissymmetric binding affinity for on-surface self-assembly with 4,4″-diamino-p-terphenyl for side-preferential attachment of 2-triphenylenecarbaldehyde. Our findings provide a new route towards surface-induced dissymmetric activation of a symmetric compound. In a symmetric molecule with identical functional groups, selective activation of only one site is challenging. Here, the authors show that 4,4″-diamino-p-terphenyl adsorbs asymmetrically to a metal surface, leading to a change in binding affinity of one of its amine groups.
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Affiliation(s)
- Qigang Zhong
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, P. R. China
| | - Daniel Ebeling
- Institute of Applied Physics, Justus-Liebig University, Heinrich-Buff-Ring 16, 35392, Giessen, Germany.
| | - Jalmar Tschakert
- Institute of Applied Physics, Justus-Liebig University, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
| | - Yixuan Gao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Deliang Bao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shixuan Du
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
| | - Chen Li
- School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, P. R. China
| | - Lifeng Chi
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, P. R. China.
| | - André Schirmeisen
- Institute of Applied Physics, Justus-Liebig University, Heinrich-Buff-Ring 16, 35392, Giessen, Germany
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39
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Self-assembly directed one-step synthesis of [4]radialene on Cu(100) surfaces. Nat Commun 2018; 9:3113. [PMID: 30082699 PMCID: PMC6078953 DOI: 10.1038/s41467-018-05472-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 07/06/2018] [Indexed: 11/09/2022] Open
Abstract
The synthetic challenges of radialenes have precluded their practical applications. Here, we report a one-step synthetic protocol of [4]radialene on a copper surface. High-resolution scanning tunneling microscopy measurements reveal that such catalytic reaction proceeds readily with high selectivity at the temperature below 120 K. First-principles calculations show that the reaction pathway is characterized by firstly the cooperative inter-molecular hydrogen tautomerization and then the C–C bond formation. The feasibility of such cyclotetramerization reaction can be interpreted by the surface effect of Cu(100), which firstly plays an important role in directing the molecular assembly and then serves as an active catalyst in the hydrogen tautomerization and C–C coupling processes. This work presents not only a novel strategy to the scant number of synthetic methods to produce [4]radialenes via a novel [1 + 1 + 1 + 1] reaction pathway, but also a successful example of C–C bond coupling reactions guided by the surface-induced C–H/π assembly. Radialenes have distinct structural, electronic and chemical properties from other hydrocarbons, but their synthesis remains a challenge. Here, the authors report a copper catalyzed one-step synthetic protocol of [4]radialene via the cyclotetramerization of phenylacetylene molecules upon thermal activation.
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40
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Liu L, Klaasen H, Timmer A, Gao HY, Barton D, Mönig H, Neugebauer J, Fuchs H, Studer A. α-Diazo Ketones in On-Surface Chemistry. J Am Chem Soc 2018; 140:6000-6005. [PMID: 29627973 DOI: 10.1021/jacs.8b02599] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Polymerization of a biphenyl bis α-diazo ketone on Cu(111) and Au(111) surfaces to provide furandiyl bridged poly-para-phenylenes is reported. Polymerization on Cu(111) occurs via initial N2 fragmentation leading to Cu-biscarbene complexes at room temperature as polymeric organometallic structure. At 135 °C, carbene coupling affords polymeric α,β-unsaturated 1,4-diketones, while analogous alkene formation on the Au(111) surface occurs at room temperature. Further temperature increase leads to deoxygenative cyclization of the 1,4-diketone moieties to provide alternating furandiyl biphenyl copolymers on Cu(111) (165 °C) and Au(111) (240 °C) surfaces. This work shows a new approach to generate Cu-biscarbene intermediates on surfaces, opening the pathway for the controlled generation of biphenyl copolymers.
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Affiliation(s)
- Lacheng Liu
- Center for Nanotechnology , Heisenbergstraße 11 , 48149 Münster , Germany.,Physikalisches Institut , Westfälische Wilhelms-Universität , Wilhelm-Klemm-Straße 10 , 48149 Münster , Germany
| | | | - Alexander Timmer
- Center for Nanotechnology , Heisenbergstraße 11 , 48149 Münster , Germany.,Physikalisches Institut , Westfälische Wilhelms-Universität , Wilhelm-Klemm-Straße 10 , 48149 Münster , Germany
| | - Hong-Ying Gao
- Center for Nanotechnology , Heisenbergstraße 11 , 48149 Münster , Germany.,Physikalisches Institut , Westfälische Wilhelms-Universität , Wilhelm-Klemm-Straße 10 , 48149 Münster , Germany
| | - Dennis Barton
- Physics and Materials Science Research Unit , University of Luxembourg , 162 A, Avenue de la Faïencerie , L-1511 Luxembourg
| | - Harry Mönig
- Center for Nanotechnology , Heisenbergstraße 11 , 48149 Münster , Germany.,Physikalisches Institut , Westfälische Wilhelms-Universität , Wilhelm-Klemm-Straße 10 , 48149 Münster , Germany
| | | | - Harald Fuchs
- Center for Nanotechnology , Heisenbergstraße 11 , 48149 Münster , Germany.,Physikalisches Institut , Westfälische Wilhelms-Universität , Wilhelm-Klemm-Straße 10 , 48149 Münster , Germany
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41
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Sun Q, Zhang R, Qiu J, Liu R, Xu W. On-Surface Synthesis of Carbon Nanostructures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018. [PMID: 29513368 DOI: 10.1002/adma.201705630] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Novel carbon nanomaterials have aroused significant interest owing to their prospects in various technological applications. The recently developed on-surface synthesis strategy provides a route toward atomically precise fabrication of nanostructures, which paves the way to functional molecular nanostructures in a controlled fashion. A plethora of low-dimensional nanostructures, challenging to traditional solution chemistry, have been recently fabricated. Within the last few decades, an increasing interest and flourishing studies on the fabrication of novel low-dimensional carbon nanostructures using on-surface synthesis strategies have been witnessed. In particular, carbon materials, including fullerene, carbon nanotubes, and graphene nanoribbons, are synthesized with atomic precision by such bottom-up methods. Herein, starting from the basic concepts and progress made in the field of on-surface synthesis, the recent developments of atomically precise fabrication of low-dimensional carbon nanostructures are reviewed.
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Affiliation(s)
- Qiang Sun
- Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), College of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Renyuan Zhang
- Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), College of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Jun Qiu
- Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), College of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Rui Liu
- Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), College of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Wei Xu
- Key Laboratory for Advanced Civil Engineering Materials (Ministry of Education), College of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
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42
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Li Q, Yang B, Björk J, Zhong Q, Ju H, Zhang J, Cao N, Shi Z, Zhang H, Ebeling D, Schirmeisen A, Zhu J, Chi L. Hierarchical Dehydrogenation Reactions on a Copper Surface. J Am Chem Soc 2018. [DOI: 10.1021/jacs.7b12278] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Qing Li
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Biao Yang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Jonas Björk
- Department of Physics, Chemistry and Biology, IFM, Linköping University, 58183 Linköping, Sweden
| | - Qigang Zhong
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
- Institute of Applied Physics (IAP), Justus Liebig University Giessen, Heinrich-Buff-Ring, 16, 35392 Giessen, Germany
| | - Huanxin Ju
- National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Junjie Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Nan Cao
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Ziliang Shi
- The Center for Soft Condensed Matter Physics & Interdisciplinary Research, Department of Physics, Soochow University, Suzhou 215006, China
| | - Haiming Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
| | - Daniel Ebeling
- Institute of Applied Physics (IAP), Justus Liebig University Giessen, Heinrich-Buff-Ring, 16, 35392 Giessen, Germany
| | - Andre Schirmeisen
- Institute of Applied Physics (IAP), Justus Liebig University Giessen, Heinrich-Buff-Ring, 16, 35392 Giessen, Germany
| | - Junfa Zhu
- National Synchrotron Radiation Laboratory and Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei, Anhui 230029, China
| | - Lifeng Chi
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China
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43
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Yu L, Li ZB, Wang D. Construction of boronate ester based single-layered covalent organic frameworks. Chem Commun (Camb) 2018; 52:13771-13774. [PMID: 27824169 DOI: 10.1039/c6cc07399a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Boronate ester based single-layered covalent organic frameworks (sCOFs) with large domain areas and uniform pore sizes have been fabricated on graphite under an ambient atmosphere. The phase separation to generate the boronate ester based sCOFs, boroxine based sCOFs and other nanostructures could be tuned using the molecular ratio of the two precursors, demonstrating a self-sorting process for on-surface dynamic covalent chemistry.
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Affiliation(s)
- Lei Yu
- Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China. and Graduate University of CAS, Beijing, P. R. China
| | - Zhi-Bo Li
- School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao, P. R. China
| | - Dong Wang
- Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China. and Graduate University of CAS, Beijing, P. R. China
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44
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Liu JM, Hao JL, Yuan XY, Liu HL, Fang GZ, Wang S. Spherical covalent organic frameworks as advanced adsorbents for preconcentration and separation of phenolic endocrine disruptors, followed by high performance liquid chromatography. RSC Adv 2018; 8:26880-26887. [PMID: 35541060 PMCID: PMC9083371 DOI: 10.1039/c8ra04321c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 07/09/2018] [Indexed: 02/02/2023] Open
Abstract
As a promising generation of porous micro-materials, covalent organic frameworks (COFs) have great potentials for applications in separation and adsorption. In the present study, an advanced food-safety inspection method involving COFs as the adsorbents of solid phase extraction (SPE) is proposed for sensitive and accurate determination of target hazardous substances. Typical spherical TpBD COFs with large surface area and superior chemical stability were utilized as adsorbents for the preconcentration of phenolic endocrine disruptors (PEDs), followed by high performance liquid chromatography (HPLC) analysis. The well-prepared TpBD COFs were encapsulated in SPE cartridges and applied in food research, namely, for the separation and enrichment of four target endocrine disruptors in food samples. The possible factors influencing the SPE performance including the composition of the sample solvent, sample solution pH, sample flow rate, composition of the eluent, and the volume of the eluent were investigated and optimized. Due to the porous architecture and superior surface area of spherical TpBD, the enrichment of analytes via a COF-filled SPE column gave extremely low detection limits of 0.056–0.123 μg L−1 along with a wide linear range of 0.5–100 μg L−1 for all the analytes. Nine parallel determinations of the mixed standard with a concentration of 10 μg L−1 produced the relative standard deviations of 2.23–3.08%, indicating the excellent repeatability of the COF-SPE assay. This study can open up a new route for the employment of COFs as efficient SPE adsorbents for the enrichment and quantification of trace/ultra-trace hazardous materials in complex food samples. Spherical COFs as efficient adsorbents for preconcentration and separation of phenolic endocrine disruptors, followed by high performance liquid chromatography.![]()
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Affiliation(s)
- Jing-Min Liu
- Tianjin Key Laboratory of Food Science and Health
- School of Medicine
- Nankai University
- Tianjin
- China
| | - Jia-Li Hao
- Key Laboratory of Food Nutrition and Safety
- Ministry of Education
- Tianjin University of Science and Technology
- Tianjin
- China
| | - Xin-Yue Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health
- Beijing Technology & Business University (BTBU)
- Beijing
- China
| | - Hui-Lin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health
- Beijing Technology & Business University (BTBU)
- Beijing
- China
| | - Guo-Zhen Fang
- Key Laboratory of Food Nutrition and Safety
- Ministry of Education
- Tianjin University of Science and Technology
- Tianjin
- China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health
- School of Medicine
- Nankai University
- Tianjin
- China
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45
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Yu Y, Lin J, Wang Y, Zeng Q, Lei S. Room temperature on-surface synthesis of two-dimensional imine polymers at the solid/liquid interface: concentration takes control. Chem Commun (Camb) 2017; 52:6609-12. [PMID: 27111697 DOI: 10.1039/c6cc02005d] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Though moderate heating in a controlled environment is generally considered to be necessary, in this work we show that the most important prerequisite for obtaining high quality 2D imine polymers at the interface is the concentration and molar ratio of building blocks on the surface. With diverse monomers we have demonstrated that the concentration-in-control strategy is a general and powerful way to construct covalent single layer 2D imine polymers with high regularity at the solid/liquid interface.
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Affiliation(s)
- Yanxia Yu
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, People's Republic of China. and Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin, 150080, People's Republic of China
| | - Jianbin Lin
- Department of Chemistry, College of Chemistry and Chemical Engineering, and MOE Key Laboratory of Analytical Sciences, Xiamen University, Xiamen 361005, People's Republic of China
| | - Yan Wang
- Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin, 150080, People's Republic of China
| | - Qingdao Zeng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing, 100190, People's Republic of China
| | - Shengbin Lei
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, People's Republic of China. and Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin, 150080, People's Republic of China
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46
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Sánchez-Sánchez C, Nicolaï A, Rossel F, Cai J, Liu J, Feng X, Müllen K, Ruffieux P, Fasel R, Meunier V. On-Surface Cyclization of ortho-Dihalotetracenes to Four- and Six-Membered Rings. J Am Chem Soc 2017; 139:17617-17623. [DOI: 10.1021/jacs.7b10026] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carlos Sánchez-Sánchez
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Adrien Nicolaï
- Department
of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Frédéric Rossel
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Jinming Cai
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- School
of Materials Science and Engineering, Kunming University of Science and Technology, 650500 Kunming, China
| | - Junzhi Liu
- Center for Advancing Electronics Dresden & Department of Chemistry and Food Chemistry, Technische Universität Dresden, D-01062 Dresden, Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden & Department of Chemistry and Food Chemistry, Technische Universität Dresden, D-01062 Dresden, Germany
| | - Klaus Müllen
- Max Planck Institut for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Pascal Ruffieux
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Roman Fasel
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- Department
of Chemistry and Biochemistry, University of Bern, Freiestrasse
3, CH-3012 Bern, Switzerland
| | - Vincent Meunier
- Department
of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
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47
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Ammon M, Sander T, Maier S. On-Surface Synthesis of Porous Carbon Nanoribbons from Polymer Chains. J Am Chem Soc 2017; 139:12976-12984. [PMID: 28820266 DOI: 10.1021/jacs.7b04783] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
We demonstrate the on-surface synthesis of porous carbon nanoribbons on Ag(111) via a preprogrammed isomerization of conformationally flexible polymer chains followed by dehydrogenation reactions using thermal annealing. The carbon chains are fabricated by polymerization of prochiral 1,3,5-tris(3-bromophenyl)benzene (mTBPB) directly on the surface using an Ullmann-type reaction. At room temperature, mTBPB partially self-assembles in halogen-bonded 2D networks, which transform into organometallic chains and rings after debromination. The chain and ring formation is facilitated by conformational switching from a C3h to Cs symmetry of mTBPB via rotation of m-phenylene units. The high conformational selectivity toward Cs-conformers is templated by the twofold coordination to Ag adatoms. After thermally induced covalent-linking through aryl-aryl coupling, well-ordered nanoporous chains are created. Finally, the rotation of single phenylene units in combination with dehydrogenation cross-linking reactions within the polymer chains leads to the unexpected formation of porous carbon nanoribbons. We unveil the reaction mechanism in a low-temperature scanning tunneling microscopy study and demonstrate that the rotation of m-phenylene units is a powerful design tool to promote structural control in the synthesis of cyclic covalent organic nanostructures on metal surfaces.
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Affiliation(s)
- Maximilian Ammon
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg , Erwin-Rommel-Strasse 1, 91058 Erlangen, Germany
| | - Tim Sander
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg , Erwin-Rommel-Strasse 1, 91058 Erlangen, Germany
| | - Sabine Maier
- Department of Physics, Friedrich-Alexander-University Erlangen-Nürnberg , Erwin-Rommel-Strasse 1, 91058 Erlangen, Germany
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48
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Wang Y, Li N, Wang Y. Single carbon dioxide molecules on surfaces studied by low-temperature scanning tunneling microscopy. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-3054-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Shi KJ, Shu CH, Wang CX, Wu XY, Tian H, Liu PN. On-Surface Heck Reaction of Aryl Bromides with Alkene on Au(111) with Palladium as Catalyst. Org Lett 2017; 19:2801-2804. [DOI: 10.1021/acs.orglett.7b00855] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ke-Ji Shi
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Chen-Hui Shu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Cheng-Xin Wang
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Xin-Yan Wu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - He Tian
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Pei-Nian Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Laboratory for Advanced Materials, State Key Laboratory of Chemical Engineering and School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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50
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Gao HY, Held PA, Amirjalayer S, Liu L, Timmer A, Schirmer B, Díaz Arado O, Mönig H, Mück-Lichtenfeld C, Neugebauer J, Studer A, Fuchs H. Intermolecular On-Surface σ-Bond Metathesis. J Am Chem Soc 2017; 139:7012-7019. [DOI: 10.1021/jacs.7b02430] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Hong-Ying Gao
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | | | - Saeed Amirjalayer
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | - Lacheng Liu
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | - Alexander Timmer
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | | | - Oscar Díaz Arado
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | - Harry Mönig
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
| | | | | | | | - Harald Fuchs
- Center for Nanotechnology, Heisenbergstraße
11, 48149 Münster, Germany
- Physikalisches
Institut, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Straße 10, 48149 Münster, Germany
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