1
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Piquero-Zulaica I, Hu W, Seitsonen AP, Haag F, Küchle J, Allegretti F, Lyu Y, Chen L, Wu K, El-Fattah ZMA, Aktürk E, Klyatskaya S, Ruben M, Muntwiler M, Barth JV, Zhang YQ. Unconventional Band Structure via Combined Molecular Orbital and Lattice Symmetries in a Surface-Confined Metallated Graphdiyne Sheet. Adv Mater 2024:e2405178. [PMID: 38762788 DOI: 10.1002/adma.202405178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Indexed: 05/20/2024]
Abstract
Graphyne (GY) and graphdiyne (GDY)-based monolayers represent the next generation two-dimensional (2D) carbon-rich materials with tunable structures and properties surpassing those of graphene. However, the detection of band formation in atomically thin GY/GDY analogues has been challenging, as both long-range order and atomic precision have to be fulfilled in the system. Here, we report direct evidence of band formation in on-surface synthesized metallated Ag-GDY sheets with mesoscopic (∼1 µm) regularity. Employing scanning tunneling and angle-resolved photoemission spectroscopies, energy-dependent transitions of real-space electronic states above the Fermi level and formation of the valence band are respectively observed. Furthermore, density functional theory (DFT) calculations corroborate our observations and reveal that doubly degenerate frontier molecular orbitals on a honeycomb lattice give rise to flat, Dirac and Kagome bands close to the Fermi level. DFT modeling also indicates an intrinsic band gap for the pristine sheet material, which is retained for a bilayer with h-BN, whereas adsorption-induced in-gap electronic states evolve at the synthesis platform with Ag-GDY decorating the (111) facet of silver. These results illustrate the tremendous potential for engineering novel band structures via molecular orbital and lattice symmetries in atomically precise 2D carbon materials. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | - Wenqi Hu
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Ari Paavo Seitsonen
- Département de Chemie, École Normale Supérieure, 24 rue Lhomond, Paris, F-75005, France
| | - Felix Haag
- Physics Department E20, Technical University of Munich, D-85748, Garching, Germany
| | - Johannes Küchle
- Physics Department E20, Technical University of Munich, D-85748, Garching, Germany
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, D-85748, Garching, Germany
| | - Yuanhao Lyu
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Lan Chen
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Kehui Wu
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Zakaria M Abd El-Fattah
- Physics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, E-11884, Egypt
- Physics Department, Faculty of Science, Galala University, New Galala City, Suez, 43511, Egypt
| | - Ethem Aktürk
- Department of Physics, Adnan Menderes University, Aydin, 09100, Turkey
| | - Svetlana Klyatskaya
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344, Eggenstein-Leopoldshafen, Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344, Eggenstein-Leopoldshafen, Germany
- IPCMS-CNRS, Université de Strasbourg, 23 rue de Loess, Strasbourg, 67034, France
| | - Matthias Muntwiler
- Paul Scherrer Institute, Forschungsstrasse 111, Villigen PSI, 5232, Switzerland
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, D-85748, Garching, Germany
| | - Yi-Qi Zhang
- Physics Department E20, Technical University of Munich, D-85748, Garching, Germany
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
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2
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Wang J, Niu K, Zhu H, Xu C, Deng C, Zhao W, Huang P, Lin H, Li D, Rosen J, Liu P, Allegretti F, Barth JV, Yang B, Björk J, Li Q, Chi L. Universal inter-molecular radical transfer reactions on metal surfaces. Nat Commun 2024; 15:3030. [PMID: 38589464 PMCID: PMC11001993 DOI: 10.1038/s41467-024-47252-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 03/23/2024] [Indexed: 04/10/2024] Open
Abstract
On-surface synthesis provides tools to prepare low-dimensional supramolecular structures. Traditionally, reactive radicals are a class of single-electron species, serving as exceptional electron-withdrawing groups. On metal surfaces, however, such species are affected by conduction band screening effects that may even quench their unpaired electron characteristics. As a result, radicals are expected to be less active, and reactions catalyzed by surface-stabilized radicals are rarely reported. Herein, we describe a class of inter-molecular radical transfer reactions on metal surfaces. With the assistance of aryl halide precursors, the coupling of terminal alkynes is steered from non-dehydrogenated to dehydrogenated products, resulting in alkynyl-Ag-alkynyl bonds. Dehalogenated molecules are fully passivated by detached hydrogen atoms. The reaction mechanism is unraveled by various surface-sensitive technologies and density functional theory calculations. Moreover, we reveal the universality of this mechanism on metal surfaces. Our studies enrich the on-surface synthesis toolbox and develop a pathway for producing low-dimensional organic materials.
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Affiliation(s)
- Junbo Wang
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710119, China
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, 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
| | - Huaming Zhu
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710119, China
| | - Chaojie Xu
- 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
| | - Wenchao Zhao
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Peipei Huang
- 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
| | - Dengyuan Li
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, State Key Laboratory of Chemical Engineering, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Johanna Rosen
- Department of Physics, Chemistry and Biology, IFM, Linköping University, Linköping, 58183, Sweden
| | - Peinian Liu
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, State Key Laboratory of Chemical Engineering, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Biao Yang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China.
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany.
| | - 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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3
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Xu H, Chakraborty R, Adak AK, Das A, Yang B, Meier D, Riss A, Reichert J, Narasimhan S, Barth JV, Papageorgiou AC. On-Surface Isomerization of Indigo within 1D Coordination Polymers. Angew Chem Int Ed Engl 2024; 63:e202319162. [PMID: 38235942 DOI: 10.1002/anie.202319162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/19/2024]
Abstract
Natural products are attractive components to tailor environmentally friendly advanced new materials. We present surface-confined metallosupramolecular engineering of coordination polymers using natural dyes as molecular building blocks: indigo and the related Tyrian purple. Both building blocks yield identical, well-defined coordination polymers composed of (1 dehydroindigo : 1 Fe) repeat units on two different silver single crystal surfaces. These polymers are characterized atomically by submolecular resolution scanning tunnelling microscopy, bond-resolving atomic force microscopy and X-ray photoelectron spectroscopy. On Ag(100) and on Ag(111), the trans configuration of dehydroindigo results in N,O-chelation in the polymer chains. On the more inert Ag(111) surface, the molecules additionally undergo thermally induced isomerization from the trans to the cis configuration and afford N,N- plus O,O-chelation. Density functional theory calculations confirm that the coordination polymers of the cis-isomers on Ag(111) and of the trans-isomers on Ag(100) are energetically favoured. Our results demonstrate post-synthetic linker isomerization in interfacial metal-organic nanosystems.
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Affiliation(s)
- Hongxiang Xu
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
| | - Ritam Chakraborty
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur, Bangalore, 560054, India
| | - Abhishek Kumar Adak
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur, Bangalore, 560054, India
- Current address: The Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, 34151, Trieste, Italy
| | - Arpan Das
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur, Bangalore, 560054, India
| | - Biao Yang
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, P. R. China
| | - Dennis Meier
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
| | - Alexander Riss
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
| | - Joachim Reichert
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
| | - Shobhana Narasimhan
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur, Bangalore, 560054, India
| | - Johannes V Barth
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
| | - Anthoula C Papageorgiou
- Technical University of Munich, TUM School of Natural Sciences, Physics Department E20, James Franck Strasse 1, 85748, Garching, Germany
- Laboratory of Physical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Panepistimiopolis, 15771, Athens, Greece
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4
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Abadia M, Piquero-Zulaica I, Brede J, Verdini A, Floreano L, V. Barth J, Lobo-Checa J, Corso M, Rogero C. Enhancing Haloarene Coupling Reaction Efficiency on an Oxide Surface by Metal Atom Addition. Nano Lett 2024; 24:1923-1930. [PMID: 38315034 PMCID: PMC10870764 DOI: 10.1021/acs.nanolett.3c04111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/07/2024]
Abstract
The bottom-up synthesis of carbon-based nanomaterials directly on semiconductor surfaces allows for the decoupling of their electronic and magnetic properties from the substrates. However, the typically reduced reactivity of such nonmetallic surfaces adversely affects the course of these reactions. Here, we achieve a high polymerization yield of halogenated polyphenyl molecular building blocks on the semiconducting TiO2(110) surface via concomitant surface decoration with cobalt atoms, which catalyze the Ullmann coupling reaction. Specifically, cobalt atoms trigger the debromination of 4,4″-dibromo-p-terphenyl molecules on TiO2(110) and mediate the formation of an intermediate organometallic phase already at room temperature (RT). As the debromination temperature is drastically reduced, homocoupling and polymerization readily proceed, preventing presursor desorption from the substrate and entailing a drastic increase of the poly-para-phenylene polymerization yield. The general efficacy of this mechanism is shown with an iodinated terphenyl derivative, which exhibits similar dehalogenation and reaction yield.
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Affiliation(s)
- Mikel Abadia
- Centro
de Física de Materiales (CSIC-UPV/EHU), Materials Physics Center
MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Donostia
International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 Donostia-San Sebastián, Spain
| | - Ignacio Piquero-Zulaica
- Donostia
International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 Donostia-San Sebastián, Spain
- Physics
Department E20, Technical University of
Munich (TUM), 85748 Garching, Germany
| | - Jens Brede
- Centro
de Física de Materiales (CSIC-UPV/EHU), Materials Physics Center
MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
| | - Alberto Verdini
- CNR-IOM,
Instituto Officina dei Materiali Laboratorio TASC, 34149 Trieste, Italy
| | - Luca Floreano
- CNR-IOM,
Instituto Officina dei Materiali Laboratorio TASC, 34149 Trieste, Italy
| | - Johannes V. Barth
- Physics
Department E20, Technical University of
Munich (TUM), 85748 Garching, Germany
| | - Jorge Lobo-Checa
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
- Departamento
de Física de la Materia Condensada, Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Martina Corso
- Centro
de Física de Materiales (CSIC-UPV/EHU), Materials Physics Center
MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Donostia
International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 Donostia-San Sebastián, Spain
| | - Celia Rogero
- Centro
de Física de Materiales (CSIC-UPV/EHU), Materials Physics Center
MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Donostia
International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 Donostia-San Sebastián, Spain
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5
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Piquero-Zulaica I, Corral-Rascón E, Diaz de Cerio X, Riss A, Yang B, Garcia-Lekue A, Kher-Elden MA, Abd El-Fattah ZM, Nobusue S, Kojima T, Seufert K, Sakaguchi H, Auwärter W, Barth JV. Deceptive orbital confinement at edges and pores of carbon-based 1D and 2D nanoarchitectures. Nat Commun 2024; 15:1062. [PMID: 38316774 PMCID: PMC10844643 DOI: 10.1038/s41467-024-45138-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 01/15/2024] [Indexed: 02/07/2024] Open
Abstract
The electronic structure defines the properties of graphene-based nanomaterials. Scanning tunneling microscopy/spectroscopy (STM/STS) experiments on graphene nanoribbons (GNRs), nanographenes, and nanoporous graphene (NPG) often determine an apparent electronic orbital confinement into the edges and nanopores, leading to dubious interpretations such as image potential states or super-atom molecular orbitals. We show that these measurements are subject to a wave function decay into the vacuum that masks the undisturbed electronic orbital shape. We use Au(111)-supported semiconducting gulf-type GNRs and NPGs as model systems fostering frontier orbitals that appear confined along the edges and nanopores in STS measurements. DFT calculations confirm that these states originate from valence and conduction bands. The deceptive electronic orbital confinement observed is caused by a loss of Fourier components, corresponding to states of high momentum. This effect can be generalized to other 1D and 2D carbon-based nanoarchitectures and is important for their use in catalysis and sensing applications.
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Affiliation(s)
- Ignacio Piquero-Zulaica
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany.
| | - Eduardo Corral-Rascón
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany
| | - Xabier Diaz de Cerio
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018, Donostia-San Sebastian, Spain
| | - Alexander Riss
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany.
| | - Biao Yang
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany
| | - Aran Garcia-Lekue
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018, Donostia-San Sebastian, Spain.
- Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Spain.
| | - Mohammad A Kher-Elden
- Physics Department, Faculty of Science, Al-Azhar University, Nasr City, E-11884, Cairo, Egypt
| | - Zakaria M Abd El-Fattah
- Physics Department, Faculty of Science, Al-Azhar University, Nasr City, E-11884, Cairo, Egypt
| | - Shunpei Nobusue
- Institute of Advanced Energy, Kyoto University, Uji, 611-0011, Kyoto, Japan
| | - Takahiro Kojima
- Institute of Advanced Energy, Kyoto University, Uji, 611-0011, Kyoto, Japan
| | - Knud Seufert
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany
| | - Hiroshi Sakaguchi
- Institute of Advanced Energy, Kyoto University, Uji, 611-0011, Kyoto, Japan.
| | - Willi Auwärter
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany
| | - Johannes V Barth
- Physics Department E20, TUM School of Natural Sciences, Technical University of Munich, James-Franck-Straße 1, D-85748, Garching, Germany
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6
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Cao N, Björk J, Corral-Rascon E, Chen Z, Ruben M, Senge MO, Barth JV, Riss A. The role of aromaticity in the cyclization and polymerization of alkyne-substituted porphyrins on Au(111). Nat Chem 2023; 15:1765-1772. [PMID: 37723257 DOI: 10.1038/s41557-023-01327-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 08/17/2023] [Indexed: 09/20/2023]
Abstract
Aromaticity is an established and widely used concept for the prediction of the reactivity of organic molecules. However, its role remains largely unexplored in on-surface chemistry, where the interaction with the substrate can alter the electronic and geometric structure of the adsorbates. Here we investigate how aromaticity affects the reactivity of alkyne-substituted porphyrin molecules in cyclization and coupling reactions on a Au(111) surface. We examine and quantify the regioselectivity in the reactions by scanning tunnelling microscopy and bond-resolved atomic force microscopy at the single-molecule level. Our experiments show a substantially lower reactivity of carbon atoms that are stabilized by the aromatic diaza[18]annulene pathway of free-base porphyrins. The results are corroborated by density functional theory calculations, which show a direct correlation between aromaticity and thermodynamic stability of the reaction products. These insights are helpful to understand, and in turn design, reactions with aromatic species in on-surface chemistry and heterogeneous catalysis.
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Affiliation(s)
- Nan Cao
- Physics Department E20, Technical University of Munich, Garching, Germany
| | - Jonas Björk
- Department of Physics, Chemistry and Biology, IFM, Linköping University, Linköping, Sweden
| | | | - Zhi Chen
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, PR China
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
- Centre Européen de Science Quantique, Institut de Science et d'Ingénierie Supramoléculaires (UMR 7006), CNRS-Université de Strasbourg, Strasbourg, France
- Institute of Quantum Materials and Technologies, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Mathias O Senge
- Institute for Advanced Study (TUM-IAS), Focus Group-Molecular and Interfacial Engineering of Organic Nanosystems, Technical University of Munich, Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, Garching, Germany.
| | - Alexander Riss
- Physics Department E20, Technical University of Munich, Garching, Germany.
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7
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Zhang X, Hu Y, Lien-Medrano CR, Li J, Shi J, Qin X, Liao Z, Wang Y, Wang Z, Li J, Chen J, Zhang G, Barth JV, Frauenheim T, Auwärter W, Narita A, Müllen K, Palma CA. Photoresponse of Solution-Synthesized Graphene Nanoribbon Heterojunctions on Diamond Indicating Phototunable Photodiode Polarity. J Am Chem Soc 2023; 145:8757-8763. [PMID: 37042822 DOI: 10.1021/jacs.2c13822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Graphene nanoribbon heterostructures and heterojunctions have attracted interest as next-generation molecular diodes with atomic precision. Their mass production via solution methods and prototypical device integration remains to be explored. Here, the bottom-up solution synthesis and characterization of liquid-phase-processable graphene nanoribbon heterostructures (GNRHs) are demonstrated. Joint photoresponsivity measurements and simulations provide evidence of the structurally defined heterostructure motif acting as a type-I heterojunction. Real-time, time-dependent density functional tight-binding simulations further reveal that the photocurrent polarity can be tuned at different excitation wavelengths. Our results introduce liquid-phase-processable, self-assembled heterojunctions for the development of nanoscale diode circuitry and adaptive hardware.
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Affiliation(s)
- Xiaoxi Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yunbin Hu
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Carlos R Lien-Medrano
- Bremen Center for Computational Materials Science, University of Bremen, Bremen 28359, Germany
| | - Juan Li
- Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Jinping Shi
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Xinshun Qin
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Zhenxing Liao
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, People's Republic of China
| | - Yan Wang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Zishu Wang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jiawei Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jianing Chen
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Guangyu Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
| | - Thomas Frauenheim
- Constructor University Bremen GmbH, Bremen 28759, Germany
- Computational Science and Applied Research Institute (CSAR), Shenzhen, 518110, People's Republic of China
- Beijing Computational Science Research Center (CSRC), Beijing, 100193, People's Republic of China
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
| | - Akimitsu Narita
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department of Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, Mainz 55128, Germany
| | - Carlos-Andres Palma
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
- Department of Physics & IRIS Adlershof, Humboldt-Universität zu Berlin, Newtonstraße 15, Berlin 12489, Germany
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8
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Yang B, Niu K, Cao N, Grover N, Zhao W, Riss A, Björk J, Auwärter W, Barth JV, Senge MO. On-Surface Synthesis of Polyphenylene Wires Comprising Rigid Aliphatic Bicyclo[1.1.1]Pentane Isolator Units. Angew Chem Int Ed Engl 2023; 62:e202218211. [PMID: 36857418 DOI: 10.1002/anie.202218211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/24/2023] [Accepted: 03/01/2023] [Indexed: 03/03/2023]
Abstract
Bicyclo[1.1.1]pentane (BCP) motifs are of growing importance to the pharmaceutical industry as sp3-rich bioisosteres of benzene rings and as molecular tectons in materials science. Herein we explore the behavior of 1,3-disubstituted BCP moieties on metal surfaces by combining low-temperature scanning tunneling microscopy / non-contact atomic force microscopy studies with density functional theory modeling. We examine the configuration of individual BCP-containing precursors on Au(111), their supramolecular assembly and thermally activated dehalogenative coupling reactions, affording polymeric chains with incorporated electronically isolating units. Our studies not only provide the first sub-molecular insights of the BCP scaffold behavior on surfaces, but also extend the potential application of BCP derivatives towards integration in custom-designed surface architectures.
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Affiliation(s)
- Biao Yang
- Technical University Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Kaifeng Niu
- Linköping University: Linkopings universitet, Physics, SWEDEN
| | - Nan Cao
- Technical University Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Nitika Grover
- Trinity College Dublin: The University of Dublin Trinity College, Chemistry, IRELAND
| | - Wenchao Zhao
- Technical University Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Alexander Riss
- Technical University Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Jonas Björk
- Linköping University: Linkopings universitet, Physics, SWEDEN
| | - Wilhelm Auwärter
- Technical University Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Johannes V Barth
- Technical University of Munich: Technische Universitat Munchen, Physics, GERMANY
| | - Mathias O Senge
- Trinity College Dublin, Trinity Biomedical Sciences Institute, School of Chemistry, 152-160 Pearse Street, SFI Tetrapyrrole Laboratory, 2, Dublin, IRELAND
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9
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Yang B, Niu K, Cao N, Grover N, Zhao W, Riss A, Björk J, Auwärter W, Barth JV, Senge MO. On‐Surface Synthesis of Polyphenylene Wires Comprising Rigid Aliphatic Bicyclo[1.1.1]Pentane Isolator Units. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202218211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Biao Yang
- Technical University Munich: Technische Universitat Munchen Physics GERMANY
| | - Kaifeng Niu
- Linköping University: Linkopings universitet Physics SWEDEN
| | - Nan Cao
- Technical University Munich: Technische Universitat Munchen Physics GERMANY
| | - Nitika Grover
- Trinity College Dublin: The University of Dublin Trinity College Chemistry IRELAND
| | - Wenchao Zhao
- Technical University Munich: Technische Universitat Munchen Physics GERMANY
| | - Alexander Riss
- Technical University Munich: Technische Universitat Munchen Physics GERMANY
| | - Jonas Björk
- Linköping University: Linkopings universitet Physics SWEDEN
| | - Wilhelm Auwärter
- Technical University Munich: Technische Universitat Munchen Physics GERMANY
| | - Johannes V. Barth
- Technical University of Munich: Technische Universitat Munchen Physics GERMANY
| | - Mathias O. Senge
- Trinity College Dublin Trinity Biomedical Sciences Institute, School of Chemistry 152-160 Pearse StreetSFI Tetrapyrrole Laboratory 2 Dublin IRELAND
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10
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Frezza F, Schiller F, Cahlík A, Ortega JE, Barth JV, Arnau A, Blanco-Rey M, Jelínek P, Corso M, Piquero-Zulaica I. Electronic band structure of 1D π-d hybridized narrow-gap metal-organic polymers. Nanoscale 2023; 15:2285-2291. [PMID: 36633266 DOI: 10.1039/d2nr05828f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
One-dimensional (1D) metal-organic (MO) nanowires are captivating from fundamental and technological perspectives due to their distinctive magnetic and electronic properties. The solvent-free synthesis of such nanomaterials on catalytic surfaces provides a unique approach for fabricating low-dimensional single-layer materials with atomic precision and low amount of defects. A detailed understanding of the electronic structure of MO polymers such as band gap and dispersive bands is critical for their prospective implementation into nanodevices such as spin sensors or field-effect transistors. Here, we have performed the on-surface reaction of quinoidal ligands with single cobalt atoms (Co-QDI) on a vicinal Au(788) surface in ultra-high vacuum. This procedure promotes the growth and uniaxial alignment of Co-QDI MO chains along the surface atomic steps, while permitting the mapping of their electronic properties with space-averaging angle-resolved photoemission spectroscopy. In the direction parallel to the principal chain axis, a well-defined 1D band structure with weakly dispersive and dispersive bands is observed, confirming a pronounced electron delocalization. Low-temperature scanning tunneling microscopy/spectroscopy delves into the atomically precise structure of the nanowires and elucidates their narrow bandgap. These findings are supported with GW0 band structure calculations showing that the observed electronic bands emanate from the efficient hybridization of Co(3d) and molecular orbitals. Our work paves the way towards a systematic search of similar 1D π-d hybridized MO chains with tunable electronic and magnetic properties defined by the transition or rare earth metal atom of choice.
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Affiliation(s)
- Federico Frezza
- Institute of Physics, Czech Academy of Sciences, 16200 Prague, Czech Republic
- Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague Brehová 78/7, 11519 Prague 1, Czech Republic
| | - Frederik Schiller
- Centro de Física de Materials CSIC/UPV-EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain
| | - Aleš Cahlík
- Institute of Physics, Czech Academy of Sciences, 16200 Prague, Czech Republic
| | - Jose Enrique Ortega
- Centro de Física de Materials CSIC/UPV-EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain
- Departmento de Física Aplicada I, Universidad del País Vasco, 20018 San Sebastián, Spain
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany.
| | - Andres Arnau
- Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, Universidad del País Vasco UPV/EHU, 20080, Donostia-San Sebastián, Spain
- Centro de Física de Materials CSIC/UPV-EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain
| | - María Blanco-Rey
- Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, Universidad del País Vasco UPV/EHU, 20080, Donostia-San Sebastián, Spain
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain
| | - Pavel Jelínek
- Institute of Physics, Czech Academy of Sciences, 16200 Prague, Czech Republic
- Regional Centre of Advanced Technologies and Materials, Palacký University, 78371 Olomuc, Czech Republic
| | - Martina Corso
- Centro de Física de Materials CSIC/UPV-EHU-Materials Physics Center, 20018 San Sebastián, Spain.
- Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain
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11
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Leidinger P, Panighel M, Pérez Dieste V, Villar-Garcia IJ, Vezzoni P, Haag F, Barth JV, Allegretti F, Günther S, Patera LL. Probing dynamic covalent chemistry in a 2D boroxine framework by in situ near-ambient pressure X-ray photoelectron spectroscopy. Nanoscale 2023; 15:1068-1075. [PMID: 36541666 PMCID: PMC9851174 DOI: 10.1039/d2nr04949j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/30/2022] [Indexed: 06/08/2023]
Abstract
Dynamic covalent chemistry is a powerful approach to design covalent organic frameworks, where high crystallinity is achieved through reversible bond formation. Here, we exploit near-ambient pressure X-ray photoelectron spectroscopy to elucidate the reversible formation of a two-dimensional boroxine framework. By in situ mapping the pressure-temperature parameter space, we identify the regions where the rates of the condensation and hydrolysis reactions become dominant, being the key to enable the thermodynamically controlled growth of crystalline frameworks.
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Affiliation(s)
- Paul Leidinger
- Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
| | | | | | | | - Pablo Vezzoni
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Felix Haag
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | | | - Sebastian Günther
- Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
| | - Laerte L Patera
- Department of Chemistry and Catalysis Research Center, Technical University of Munich, 85748 Garching, Germany
- Institute of Physical Chemistry, University of Innsbruck, 6020 Innsbruck, Austria.
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12
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Knecht P, Meier D, Reichert J, Duncan DA, Schwarz M, Küchle JT, Lee T, Deimel PS, Feulner P, Allegretti F, Auwärter W, Médard G, Seitsonen AP, Barth JV, Papageorgiou AC. N‐Heterocyclic Carbenes: Molecular Porters of Surface Mounted Ru‐Porphyrins. Angew Chem Int Ed Engl 2022; 61:e202211877. [PMID: 36200438 PMCID: PMC10092334 DOI: 10.1002/anie.202211877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Indexed: 11/30/2022]
Abstract
Ru-porphyrins act as convenient pedestals for the assembly of N-heterocyclic carbenes (NHCs) on solid surfaces. Upon deposition of a simple NHC ligand on a close packed Ru-porphyrin monolayer, an extraordinary phenomenon can be observed: Ru-porphyrin molecules are transferred from the silver surface to the next molecular layer. We have investigated the structural features and dynamics of this portering process and analysed the associated binding strengths and work function changes. A rearrangement of the molecular layer is induced by the NHC uptake: the NHC selective binding to the Ru causes the ejection of whole porphyrin molecules from the molecular layer on silver to the layer on top. This reorganisation can be reversed by thermally induced desorption of the NHC ligand. We anticipate that the understanding of such mass transport processes will have crucial implications for the functionalisation of surfaces with carbenes.
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Affiliation(s)
- Peter Knecht
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Dennis Meier
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - David A. Duncan
- Diamond Light Source Harwell Science and Innovation Campus Didcot OX11 0QX UK
| | - Martin Schwarz
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes T. Küchle
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Tien‐Lin Lee
- Diamond Light Source Harwell Science and Innovation Campus Didcot OX11 0QX UK
| | - Peter S. Deimel
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Peter Feulner
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Francesco Allegretti
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Willi Auwärter
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Guillaume Médard
- Chair of Proteomics and Bioanalytics Technical University of Munich Emil Erlenmeyer Forum 5 85354 Freising Germany
| | - Ari Paavo Seitsonen
- Département de Chimie École Normale Supérieure 24 rue Lhomond 75005 Paris France
- Université de recherche Paris-Sciences-et-Lettres Sorbonne Université Centre National de la Recherche Scientifique 75005 Paris France
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Department of Chemistry Laboratory of Physical Chemistry National and Kapodistrian University of Athens Panepistimiopolis 157 71 Athens Greece
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13
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Knecht P, Meier D, Reichert J, Duncan DA, Schwarz M, Küchle JT, Lee TL, Deimel P, Feulner P, Allegretti F, Auwärter W, Médard G, Seitsonen AP, Barth JV, Papageorgiou A. N‐Heterocyclic Carbenes: Molecular Porters of Surface Mounted Ru‐Porphyrins. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Peter Knecht
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Dennis Meier
- Technical University Munich: Technische Universitat Munchen Physics James Franck Straße 1 85748 Garching GERMANY
| | - Joachim Reichert
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - David A. Duncan
- Diamond Light Source Ltd Diamond Light Source UNITED KINGDOM
| | - Martin Schwarz
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Johannes T. Küchle
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Tien-Lin Lee
- Diamond Light Source Ltd Diamond Light Source UNITED KINGDOM
| | - Peter Deimel
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Peter Feulner
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Francesco Allegretti
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Willi Auwärter
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Guillaume Médard
- Technical University of Munich: Technische Universitat Munchen Chair of Proteomics and Bioanalytics GERMANY
| | - Ari P. Seitsonen
- École Normale Supérieure: Ecole Normale Superieure Département de Chimie FRANCE
| | - Johannes V. Barth
- Technical University of Munich: Technische Universitat Munchen Physics Department - E20 GERMANY
| | - Anthoula Papageorgiou
- Technical University Munich Physics Department E20 James-Franck Strasse 1 D-85748 Garching GERMANY
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14
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Meier D, Schoof B, Wang J, Li X, Walz A, Huettig A, Schlichting H, Rosu F, Gabelica V, Maurizot V, Reichert J, Papageorgiou AC, Huc I, Barth JV. Structural adaptations of electrosprayed aromatic oligoamide foldamers on Ag(111). Chem Commun (Camb) 2022; 58:8938-8941. [PMID: 35851385 DOI: 10.1039/d2cc03286d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aromatic foldamers are promising for applications such as molecular recognition and molecular machinery. For many of these, defect free, 2D-crystaline monolayers are needed. To this end, submonolayers were prepared in ultra-high vacuum (UHV) on Ag(111) via electrospray controlled ion beam deposition (ES-CIBD). On the surface, the unfolded state is unambiguously identified by real-space single-molecule imaging using scanning tunnelling microscopy (STM) and it is found to assemble in regular structures.
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Affiliation(s)
- Dennis Meier
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Benedikt Schoof
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Jinhua Wang
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Xuesong Li
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Andreas Walz
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Annette Huettig
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Hartmut Schlichting
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Frédéric Rosu
- Institut Européen de Chimie et Biologie (UAR3033/US001), Univ. Bordeaux, CNRS, INSERM, F-33600 Pessac, France
| | - Valérie Gabelica
- Institut Européen de Chimie et Biologie (UAR3033/US001), Univ. Bordeaux, CNRS, INSERM, F-33600 Pessac, France.,ARNA (U1212), Univ. Bordeaux, INSERM, CNRS, F-33600 Pessac, France
| | - Victor Maurizot
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Joachim Reichert
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | | | - Ivan Huc
- Department of Pharmacy, Ludwig-Maximilians-University Munich, D-81377 Munich, Germany. .,Cluster of Excellence e-conversion, D-85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany. .,Cluster of Excellence e-conversion, D-85748 Garching, Germany
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15
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Walz A, Stoiber K, Huettig A, Schlichting H, Barth JV. Navigate Flying Molecular Elephants Safely to the Ground: Mass-Selective Soft Landing up to the Mega-Dalton Range by Electrospray Controlled Ion-Beam Deposition. Anal Chem 2022; 94:7767-7778. [PMID: 35609119 PMCID: PMC9178560 DOI: 10.1021/acs.analchem.1c04495] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The prototype of a highly versatile and efficient preparative mass spectrometry system used for the deposition of molecules in ultrahigh vacuum (UHV) is presented, along with encouraging performance data obtained using four model species that are thermolabile or not sublimable. The test panel comprises two small organic compounds, a small and very large protein, and a large DNA species covering a 4-log mass range up to 1.7 MDa as part of a broad spectrum of analyte species evaluated to date. Three designs of innovative ion guides, a novel digital mass-selective quadrupole (dQMF), and a standard electrospray ionization (ESI) source are combined to an integrated device, abbreviated electrospray controlled ion-beam deposition (ES-CIBD). Full control is achieved by (i) the square-wave-driven radiofrequency (RF) ion guides with steadily tunable frequencies, including a dQMF allowing for investigation, purification, and deposition of a virtually unlimited m/z range, (ii) the adjustable landing energy of ions down to ∼2 eV/z enabling integrity-preserving soft landing, (iii) the deposition in UHV with high ion beam intensity (up to 3 nA) limiting contaminations and deposition time, and (iv) direct coverage control via the deposited charge. The maximum resolution of R = 650 and overall efficiency up to Ttotal = 4.4% calculated from the solution to UHV deposition are advantageous, whereby the latter can be further enhanced by optimizing ionization performance. In the setup presented, a scanning tunneling microscope (STM) is attached for in situ UHV investigations of deposited species, demonstrating a selective, structure-preserving process and atomically clean layers.
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Affiliation(s)
- Andreas Walz
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Karolina Stoiber
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Annette Huettig
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Hartmut Schlichting
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
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16
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Hu W, Kher-Elden MA, Zhang H, Cheng P, Chen L, Piquero-Zulaica I, Abd El-Fattah ZM, Barth JV, Wu K, Zhang YQ. Engineering novel surface electronic states via complex supramolecular tessellations. Nanoscale 2022; 14:7039-7048. [PMID: 35471409 DOI: 10.1039/d2nr00536k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Tailoring Shockley surface-state (SS) electrons utilizing complex interfacial supramolecular tessellations was explored by low-temperature scanning tunnelling microscopy and spectroscopy, combined with computational modelling using electron plane wave expansion (EPWE) and empirical tight-binding (TB) methods. Employing a recently introduced gas-mediated on-surface reaction protocol, three distinct types of open porous networks comprising paired organometallic species as basic tectons were selectively synthesized. In particular, these supramolecular networks feature semiregular Archimedean tilings, providing intricate quantum dots (QDs) coupling scenarios compared to hexagonal porous superlattices. Our experimental results in conjunction with modelling calculations demonstrate the possibility of realizing novel two-dimensional electronic structures such as Kagome- and Dirac-type as well as hybrid Kagome-type bands via QD coupling. Compared to constructing SS electron pathways via molecular manipulations, our studies reveal significant potential of exploiting QD coupling as a complementary and versatile route for the control of surface electronic landscapes.
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Affiliation(s)
- Wenqi Hu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mohammad A Kher-Elden
- Physics Department, Faculty of Science, Al-Azhar University, Nasr City E-11884 Cairo, Egypt.
| | - Hexu Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Peng Cheng
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lan Chen
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
| | | | - Zakaria M Abd El-Fattah
- Physics Department, Faculty of Science, Al-Azhar University, Nasr City E-11884 Cairo, Egypt.
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Kehui Wu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
| | - Yi-Qi Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
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17
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Ran W, Walz A, Stoiber K, Knecht P, Xu H, Papageorgiou AC, Huettig A, Cortizo-Lacalle D, Mora-Fuentes JP, Mateo-Alonso A, Schlichting H, Reichert J, Barth JV. Depositing Molecular Graphene Nanoribbons on Ag(111) by Electrospray Controlled Ion Beam Deposition: Self-Assembly and On-Surface Transformations. Angew Chem Int Ed Engl 2022; 61:e202111816. [PMID: 35077609 PMCID: PMC9305426 DOI: 10.1002/anie.202111816] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Indexed: 12/31/2022]
Abstract
The chemical processing of low‐dimensional carbon nanostructures is crucial for their integration in future devices. Here we apply a new methodology in atomically precise engineering by combining multistep solution synthesis of N‐doped molecular graphene nanoribbons (GNRs) with mass‐selected ultra‐high vacuum electrospray controlled ion beam deposition on surfaces and real‐space visualisation by scanning tunnelling microscopy. We demonstrate how this method yields solely a controllable amount of single, otherwise unsublimable, GNRs of 2.9 nm length on a planar Ag(111) surface. This methodology allows for further processing by employing on‐surface synthesis protocols and exploiting the reactivity of the substrate. Following multiple chemical transformations, the GNRs provide reactive building blocks to form extended, metal–organic coordination polymers.
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Affiliation(s)
- Wei Ran
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Andreas Walz
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Karolina Stoiber
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Peter Knecht
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Hongxiang Xu
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Anthoula C Papageorgiou
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Annette Huettig
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Diego Cortizo-Lacalle
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain
| | - Juan P Mora-Fuentes
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain
| | - Aurelio Mateo-Alonso
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain.,Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Hartmut Schlichting
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Joachim Reichert
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
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18
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Ran W, Walz A, Stoiber K, Knecht P, Xu H, Papageorgiou AC, Huettig A, Cortizo‐Lacalle D, Mora‐Fuentes JP, Mateo‐Alonso A, Schlichting H, Reichert J, Barth JV. Depositing Molecular Graphene Nanoribbons on Ag(111) by Electrospray Controlled Ion Beam Deposition: Self‐Assembly and On‐Surface Transformations. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Wei Ran
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Andreas Walz
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Karolina Stoiber
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Peter Knecht
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Hongxiang Xu
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Annette Huettig
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Diego Cortizo‐Lacalle
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Juan P. Mora‐Fuentes
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Aurelio Mateo‐Alonso
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
- Ikerbasque, Basque Foundation for Science Bilbao Spain
| | - Hartmut Schlichting
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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19
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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20
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Meier D, Adak AK, Knecht P, Reichert J, Mondal S, Suryadevara N, Kuppusamy SK, Eguchi K, Muntwiler MK, Allegretti F, Ruben M, Barth JV, Narasimhan S, Papageorgiou AC. Rotation in an Enantiospecific Self‐Assembled Array of Molecular Raffle Wheels. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107708] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dennis Meier
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | - Abhishek K. Adak
- Theoretical Sciences Unit & School of Advanced Materials Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Bangalore 560054 India
| | - Peter Knecht
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | - Sourav Mondal
- Theoretical Sciences Unit & School of Advanced Materials Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Bangalore 560054 India
| | - Nithin Suryadevara
- Institute of Nanotechnology Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Senthil Kumar Kuppusamy
- Institute for Quantum Materials and Technologies Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Keitaro Eguchi
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | | | - Francesco Allegretti
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | - Mario Ruben
- Institute of Nanotechnology Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute for Quantum Materials and Technologies Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Centre Européen de Sciences Quantiques (CESQ) Institut de Science et d'Ingénierie Supramoléculaires (ISIS) 8 allée Gaspard Monge, BP 70028 67083 Strasbourg Cedex France
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
| | - Shobhana Narasimhan
- Theoretical Sciences Unit & School of Advanced Materials Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Bangalore 560054 India
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich (TUM) James Franck Strasse 1 85748 Garching Germany
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21
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Cao N, Riss A, Corral-Rascon E, Meindl A, Auwärter W, Senge MO, Ebrahimi M, Barth JV. Surface-confined formation of conjugated porphyrin-based nanostructures on Ag(111). Nanoscale 2021; 13:19884-19889. [PMID: 34842889 DOI: 10.1039/d1nr06451g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Porphyrin-based oligomers were synthesized from the condensation of adsorbed 4-benzaldehyde-substituted porphyrins through the formation of CC linkages, following a McMurry-type coupling scheme. Scanning tunneling microscopy, non-contact atomic force microscopy, and X-ray photoelectron spectroscopy data evidence both the dissociation of aldehyde groups and the formation of CC linkages. Our approach provides a path for the on-surface synthesis of porphyrin-based oligomers coupled by CC bridges - as a means to create functional conjugated nanostructures.
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Affiliation(s)
- Nan Cao
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
| | - Alexander Riss
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
| | | | - Alina Meindl
- School of Chemistry, Chair of Organic Chemistry, Trinity Biomedical Sciences Institute, Trinity College Dublin, the University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
- Institute for Advanced Study (TUM-IAS), Technical University of Munich, Focus Group - Molecular and Interfacial Engineering of Organic Nanosystems, Lichtenberg-Str. 2a, 85748 Garching, Germany.
| | - Mathias O Senge
- Institute for Advanced Study (TUM-IAS), Technical University of Munich, Focus Group - Molecular and Interfacial Engineering of Organic Nanosystems, Lichtenberg-Str. 2a, 85748 Garching, Germany.
| | - Maryam Ebrahimi
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
- Department of Chemistry, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario, P7B 5E1, Canada, M. E. is a Tier 2 Canada Research Chair in Low-Dimensional Nanomaterials.
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany
- Institute for Advanced Study (TUM-IAS), Technical University of Munich, Focus Group - Molecular and Interfacial Engineering of Organic Nanosystems, Lichtenberg-Str. 2a, 85748 Garching, Germany.
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22
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Bartl JD, Thomas C, Henning A, Ober MF, Savasci G, Yazdanshenas B, Deimel PS, Magnano E, Bondino F, Zeller P, Gregoratti L, Amati M, Paulus C, Allegretti F, Cattani-Scholz A, Barth JV, Ochsenfeld C, Nickel B, Sharp ID, Stutzmann M, Rieger B. Modular Assembly of Vibrationally and Electronically Coupled Rhenium Bipyridine Carbonyl Complexes on Silicon. J Am Chem Soc 2021; 143:19505-19516. [PMID: 34766502 DOI: 10.1021/jacs.1c09061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hybrid inorganic/organic heterointerfaces are promising systems for next-generation photocatalytic, photovoltaic, and chemical-sensing applications. Their performance relies strongly on the development of robust and reliable surface passivation and functionalization protocols with (sub)molecular control. The structure, stability, and chemistry of the semiconductor surface determine the functionality of the hybrid assembly. Generally, these modification schemes have to be laboriously developed to satisfy the specific chemical demands of the semiconductor surface. The implementation of a chemically independent, yet highly selective, standardized surface functionalization scheme, compatible with nanoelectronic device fabrication, is of utmost technological relevance. Here, we introduce a modular surface assembly (MSA) approach that allows the covalent anchoring of molecular transition-metal complexes with sub-nanometer precision on any solid material by combining atomic layer deposition (ALD) and selectively self-assembled monolayers of phosphonic acids. ALD, as an essential tool in semiconductor device fabrication, is used to grow conformal aluminum oxide activation coatings, down to sub-nanometer thicknesses, on silicon surfaces to enable a selective step-by-step layer assembly of rhenium(I) bipyridine tricarbonyl molecular complexes. The modular surface assembly of molecular complexes generates precisely structured spatial ensembles with strong intermolecular vibrational and electronic coupling, as demonstrated by infrared spectroscopy, photoluminescence, and X-ray photoelectron spectroscopy analysis. The structure of the MSA can be chosen to avoid electronic interactions with the semiconductor substrate to exclusively investigate the electronic interactions between the surface-immobilized molecular complexes.
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Affiliation(s)
- Johannes D Bartl
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany.,Department of Chemistry, WACKER-Chair for Macromolecular Chemistry, Technische Universität München, Lichtenbergstraße 4, 85747 Garching bei München, Germany
| | - Christopher Thomas
- Department of Chemistry, WACKER-Chair for Macromolecular Chemistry, Technische Universität München, Lichtenbergstraße 4, 85747 Garching bei München, Germany
| | - Alex Henning
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany
| | - Martina F Ober
- Faculty of Physics, Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, 80539 München, Germany.,Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, 80539 München, Germany
| | - Gökcen Savasci
- Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich, LMU, Butenandtstraße 5-13, 81377 Munich, Germany.,Cluster of Excellence E-conversion, Lichtenbergstraße 4a, 85748 Garching, Germany
| | - Bahar Yazdanshenas
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany
| | - Peter S Deimel
- Physics Department E20, Technische Universität München, James-Franck-Straße 1, 85748 Garching bei München, Germany
| | - Elena Magnano
- IOM CNR, Laboratorio TASC, AREA Science Park, Strada Statale 14 km 163.5, 34149 Basovizza, Trieste, Italy.,Department of Physics, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South Africa
| | - Federica Bondino
- IOM CNR, Laboratorio TASC, AREA Science Park, Strada Statale 14 km 163.5, 34149 Basovizza, Trieste, Italy
| | - Patrick Zeller
- Elettra-Sincrotrone Trieste SCpA, AREA Science Park, Strada Statale 14 km 163.5, 34149, Trieste, Italy
| | - Luca Gregoratti
- Elettra-Sincrotrone Trieste SCpA, AREA Science Park, Strada Statale 14 km 163.5, 34149, Trieste, Italy
| | - Matteo Amati
- Elettra-Sincrotrone Trieste SCpA, AREA Science Park, Strada Statale 14 km 163.5, 34149, Trieste, Italy
| | - Claudia Paulus
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany
| | - Francesco Allegretti
- Physics Department E20, Technische Universität München, James-Franck-Straße 1, 85748 Garching bei München, Germany
| | - Anna Cattani-Scholz
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany.,Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, 80539 München, Germany
| | - Johannes V Barth
- Physics Department E20, Technische Universität München, James-Franck-Straße 1, 85748 Garching bei München, Germany
| | - Christian Ochsenfeld
- Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich, LMU, Butenandtstraße 5-13, 81377 Munich, Germany.,Cluster of Excellence E-conversion, Lichtenbergstraße 4a, 85748 Garching, Germany
| | - Bert Nickel
- Faculty of Physics, Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, 80539 München, Germany.,Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, 80539 München, Germany
| | - Ian D Sharp
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany
| | - Martin Stutzmann
- Walter Schottky Institute and Physics Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany
| | - Bernhard Rieger
- Department of Chemistry, WACKER-Chair for Macromolecular Chemistry, Technische Universität München, Lichtenbergstraße 4, 85747 Garching bei München, Germany
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23
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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24
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Meier D, Adak AK, Knecht P, Reichert J, Mondal S, Suryadevara N, Kuppusamy SK, Eguchi K, Muntwiler MK, Allegretti F, Ruben M, Barth JV, Narasimhan S, Papageorgiou AC. Rotation in an Enantiospecific Self-Assembled Array of Molecular Raffle Wheels. Angew Chem Int Ed Engl 2021; 60:26932-26938. [PMID: 34555241 PMCID: PMC9299480 DOI: 10.1002/anie.202107708] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 09/21/2021] [Indexed: 11/09/2022]
Abstract
Tailored nano-spaces can control enantioselective adsorption and molecular motion. We report on the spontaneous assembly of a dynamic system-a rigid kagome network with each pore occupied by a guest molecule-employing solely 2,6-bis(1H-pyrazol-1-yl)pyridine-4-carboxylic acid on Ag(111). The network cavity snugly hosts the chemically modified guest, bestows enantiomorphic adsorption and allows selective rotational motions. Temperature-dependent scanning tunnelling microscopy studies revealed distinct anchoring orientations of the guest unit switching with a 0.95 eV thermal barrier. H-bonding between the guest and the host transiently stabilises the rotating guest, as the flapper on a raffle wheel. Density functional theory investigations unravel the detailed molecular pirouette of the guest and how the energy landscape is determined by H-bond formation and breakage. The origin of the guest's enantiodirected, dynamic anchoring lies in the specific interplay of the kagome network and the silver surface.
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Affiliation(s)
- Dennis Meier
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | - Abhishek K Adak
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore, 560054, India
| | - Peter Knecht
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | - Joachim Reichert
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | - Sourav Mondal
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore, 560054, India
| | - Nithin Suryadevara
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Senthil Kumar Kuppusamy
- Institute for Quantum Materials and Technologies, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Keitaro Eguchi
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | | | - Francesco Allegretti
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.,Institute for Quantum Materials and Technologies, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.,Centre Européen de Sciences Quantiques (CESQ), Institut de Science et d'Ingénierie Supramoléculaires (ISIS), 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
| | - Shobhana Narasimhan
- Theoretical Sciences Unit & School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore, 560054, India
| | - Anthoula C Papageorgiou
- Physics Department E20, Technical University of Munich (TUM), James Franck Strasse 1, 85748, Garching, Germany
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25
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Bischoff F, Riss A, Michelitsch GS, Ducke J, Barth JV, Reuter K, Auwärter W. Surface-Mediated Ring-Opening and Porphyrin Deconstruction via Conformational Distortion. J Am Chem Soc 2021; 143:15131-15138. [PMID: 34472340 DOI: 10.1021/jacs.1c05348] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The breakdown of macrocyclic compounds is of utmost importance in manifold biological and chemical processes, usually proceeding via oxygenation-induced ring-opening reactions. Here, we introduce a surface chemical route to selectively break a prototypical porphyrin species, cleaving off one pyrrole unit and affording a tripyrrin derivative. This pathway, operational in an ultrahigh vacuum environment at moderate temperature is enabled by a distinct molecular conformation achieved via the specific interaction between the porphyrin and its copper support. We provide an atomic-level characterization of the surface-anchored tripyrrin, its reaction intermediates, and byproducts by bond-resolved atomic force microscopy, unequivocally identifying the molecular skeletons. The ring-opening is rationalized by the distortion reducing the macrocycle's stability. Our findings open a route to steer ring-opening reactions by conformational design and to study intriguing tetrapyrrole catabolite analogues on surfaces.
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Affiliation(s)
- Felix Bischoff
- Physics Department E20, Technical University of Munich, James-Franck Str. 1, 85748 Garching, Germany
| | - Alexander Riss
- Physics Department E20, Technical University of Munich, James-Franck Str. 1, 85748 Garching, Germany
| | - Georg S Michelitsch
- Theoretical Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstr. 5, 85748 Garching, Germany
| | - Jacob Ducke
- Physics Department E20, Technical University of Munich, James-Franck Str. 1, 85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, James-Franck Str. 1, 85748 Garching, Germany
| | - Karsten Reuter
- Theoretical Chemistry and Catalysis Research Center, Technical University of Munich, Lichtenbergstr. 5, 85748 Garching, Germany.,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin-Dahlem, Germany
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, James-Franck Str. 1, 85748 Garching, Germany
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26
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Rheinfrank E, Pörtner M, Nuñez Beyerle MDC, Haag F, Deimel PS, Allegretti F, Seufert K, Barth JV, Bocquet ML, Feulner P, Auwärter W. Actinide Coordination Chemistry on Surfaces: Synthesis, Manipulation, and Properties of Thorium Bis(porphyrinato) Complexes. J Am Chem Soc 2021; 143:14581-14591. [PMID: 34477375 DOI: 10.1021/jacs.1c04982] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Actinide-based metal-organic complexes and coordination architectures encompass intriguing properties and functionalities but are still largely unexplored on surfaces. We introduce the in situ synthesis of actinide tetrapyrrole complexes under ultrahigh-vacuum conditions, on both a metallic support and a 2D material. Specifically, exposure of a tetraphenylporphyrin (TPP) multilayer to an elemental beam of thorium followed by a temperature-programmed reaction and desorption of surplus molecules yields bis(porphyrinato)thorium (Th(TPP)2) assemblies on Ag(111) and hexagonal boron nitride/Cu(111). A multimethod characterization including X-ray photoelectron spectroscopy, scanning tunneling microscopy, temperature-programmed desorption, and complementary density functional theory modeling provides insights into conformational and electronic properties. Supramolecular assemblies of Th(TPP)2 as well as individual double-deckers are addressed with submolecular precision, e.g., demonstrating the reversible rotation of the top porphyrin in Th(TPP)2 by molecular manipulation. Our findings thus demonstrate prospects for actinide-based functional nanoarchitectures.
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Affiliation(s)
- Erik Rheinfrank
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Mathias Pörtner
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | | | - Felix Haag
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Peter S Deimel
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Knud Seufert
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Marie-Laure Bocquet
- PASTEUR, Départment de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, F-75005 Paris, France
| | - Peter Feulner
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
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27
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Bi H, Jing C, Hasch P, Gong Y, Gerster D, Barth JV, Reichert J. Single Molecules in Strong Optical Fields: A Variable-Temperature Molecular Junction Spectroscopy Setup. Anal Chem 2021; 93:9853-9859. [PMID: 34229433 DOI: 10.1021/acs.analchem.1c01633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In order to advance the development of molecular electronic devices, it is mandatory to improve the understanding of electron transport and functionalities in single molecules, integrated in a well-defined environment. However, limited information can be obtained by solely analyzing I-V characteristics, whence multiparameter studies are required to obtain more information on such systems including chemical bonds, geometry, and intramolecular strain. Therefore, we developed an analytical method incorporating an optical near-field technique, which allows us to investigate single-molecule junctions at variable temperatures in strong optical fields. An apertureless near-field emitter acts as a counter electrode and a plasmonic waveguide to focus surface plasmon polaritons into the molecular junctions, where a strongly enhanced evanescent field is confined to only a few nanometers around the apex of the tip. The proof of concept, even at low temperatures, is demonstrated by simultaneously investigating electronic and optical features of the molecule p-terphenyl-4,4″-dithiol in dependence of its charge state. This multichannel method can be employed to analyze a variety of nearly unexplored properties in single-molecule junctions such as photoconductance and photocurrent generation and allows a characterization of the molecular junctions by spectroscopic means as well.
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Affiliation(s)
- Hai Bi
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
| | - Chao Jing
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany.,Department of Hydrogen Technique, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jialuo Road 2019, 201800 Shanghai, China.,School of Chemistry & Molecular Engineering, East China University of Science and Technology, Meilong Road 130, 200237 Shanghai, China
| | - Peter Hasch
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
| | - Yuxiang Gong
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
| | - Daniel Gerster
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
| | - Johannes V Barth
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
| | - Joachim Reichert
- Physics-Department E20, Technical University of Munich, James Franck Str. 1, 85748 Garching, Germany
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28
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Knecht P, Reichert J, Deimel PS, Feulner P, Haag F, Allegretti F, Garnica M, Schwarz M, Auwärter W, Ryan PTP, Lee T, Duncan DA, Seitsonen AP, Barth JV, Papageorgiou AC. Conformational Control of Chemical Reactivity for Surface-Confined Ru-Porphyrins. Angew Chem Int Ed Engl 2021; 60:16561-16567. [PMID: 33938629 PMCID: PMC8362151 DOI: 10.1002/anie.202104075] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/29/2021] [Indexed: 11/24/2022]
Abstract
We assess the crucial role of tetrapyrrole flexibility in the CO ligation to distinct Ru-porphyrins supported on an atomistically well-defined Ag(111) substrate. Our systematic real-space visualisation and manipulation experiments with scanning tunnelling microscopy directly probe the ligation, while bond-resolving atomic force microscopy and X-ray standing-wave measurements characterise the geometry, X-ray and ultraviolet photoelectron spectroscopy the electronic structure, and temperature-programmed desorption the binding strength. Density-functional-theory calculations provide additional insight into the functional interface. We unambiguously demonstrate that the substituents regulate the interfacial conformational adaptability, either promoting or obstructing the uptake of axial CO adducts.
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Affiliation(s)
- Peter Knecht
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Joachim Reichert
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Peter S. Deimel
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Peter Feulner
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Felix Haag
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Francesco Allegretti
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Manuela Garnica
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
- Current address: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Cantoblanco28049MadridSpain
| | - Martin Schwarz
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Willi Auwärter
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Paul T. P. Ryan
- Diamond Light SourceDidcotOX11 0DEUK
- Department of MaterialsImperial College LondonExhibition RoadSW7 2AZLondonUK
- Current address: Institute of Applied PhysicsTechnische Universität WienWiedner Hauptstraße 8-10/1341040ViennaAustria
| | | | | | - Ari Paavo Seitsonen
- Département de ChimieEcole Normale Supérieure24 rue Lhomond75005ParisFrance
- Université de recherche Paris-Sciences-et-LettresSorbonne UniversitéCentre National de la Recherche Scientifique75005ParisFrance
| | - Johannes V. Barth
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
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29
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Knecht P, Reichert J, Deimel PS, Feulner P, Haag F, Allegretti F, Garnica M, Schwarz M, Auwärter W, Ryan PTP, Lee T, Duncan DA, Seitsonen AP, Barth JV, Papageorgiou AC. Conformational Control of Chemical Reactivity for Surface‐Confined Ru‐Porphyrins. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Peter Knecht
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Peter S. Deimel
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Peter Feulner
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Felix Haag
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Francesco Allegretti
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Manuela Garnica
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Current address: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Cantoblanco 28049 Madrid Spain
| | - Martin Schwarz
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Willi Auwärter
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Paul T. P. Ryan
- Diamond Light Source Didcot OX11 0DE UK
- Department of Materials Imperial College London Exhibition Road SW7 2AZ London UK
- Current address: Institute of Applied Physics Technische Universität Wien Wiedner Hauptstraße 8-10/134 1040 Vienna Austria
| | | | | | - Ari Paavo Seitsonen
- Département de Chimie Ecole Normale Supérieure 24 rue Lhomond 75005 Paris France
- Université de recherche Paris-Sciences-et-Lettres Sorbonne Université Centre National de la Recherche Scientifique 75005 Paris France
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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30
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Guo Y, Jiang L, Seitsonen AP, Zhang B, Reichert J, Papageorgiou AC, Barth JV. Interaction of cyclosporin A molecules with alkali and transition metal atoms on Cu(111). Chem Commun (Camb) 2021; 57:2923-2926. [PMID: 33620361 DOI: 10.1039/d1cc00125f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structure of a cyclic peptide with important biological functionalities, cyclosporin A (CsA), is investigated at the single molecule level. Its adsorption on Cu(111) under ultra-high vacuum is characterised with scanning tunnelling microscopy (STM) and density functional theory. With STM investigations, we demonstrate element specific on-surface coordination schemes of CsA with coadsorbed K, Co and Fe atoms. Thus, clear insights emerge in the behaviour of cyclic peptides at interfaces and their interactions with different metal atoms, providing control of the adsorption structure and assembly and paving the way for the integration of cyclic peptides in functional metal-organic nanostructures on surfaces.
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Affiliation(s)
- Yuanyuan Guo
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany.
| | - Li Jiang
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany.
| | - Ari Paavo Seitsonen
- Département de Chimie, Ecole Normale Supérieure, Paris F-75005, France and Université de recherche Paris-Sciences-et-Lettres, Sorbonne Université, Centre National de la Recherche Scientifique, Paris F-75005, France
| | - Bodong Zhang
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany.
| | - Joachim Reichert
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany.
| | | | - Johannes V Barth
- Physics Department E20, Technical University of Munich, Garching D-85748, Germany.
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31
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Knecht P, Zhang B, Reichert J, Duncan DA, Schwarz M, Haag F, Ryan PTP, Lee TL, Deimel PS, Feulner P, Allegretti F, Auwärter W, Médard G, Seitsonen AP, Barth JV, Papageorgiou AC. Assembly and Manipulation of a Prototypical N-Heterocyclic Carbene with a Metalloporphyrin Pedestal on a Solid Surface. J Am Chem Soc 2021; 143:4433-4439. [DOI: 10.1021/jacs.1c01229] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Peter Knecht
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Bodong Zhang
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Joachim Reichert
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - David A. Duncan
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0QX, U.K
| | - Martin Schwarz
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Felix Haag
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Paul T. P. Ryan
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0QX, U.K
- Department of Materials, Imperial College London, London SW7 2AZ, U.K
| | - Tien-Lin Lee
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0QX, U.K
| | - Peter S. Deimel
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Peter Feulner
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Guillaume Médard
- Chair of Proteomics and Bioanalytics, Technical University of Munich, Emil Erlenmeyer Forum 5, 85354 Freising, Germany
| | - Ari Paavo Seitsonen
- Département de Chimie, École Normale Supérieure, 24 rue Lhomond, F-75005 Paris, France
- Université de Recherche Paris-Sciences-et-Lettres, Sorbonne Université, Centre National de la Recherche Scientifique, F-75005 Paris, France
| | - Johannes V. Barth
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748 Garching, Germany
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32
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Hu W, Zhang H, Cheng P, Chen L, Chen Z, Klyatskaya S, Ruben M, Barth JV, Wu K, Zhang YQ. Creating supramolecular semiregular Archimedean tilings via gas-mediated deprotonation of a terminal alkyne derivative. CrystEngComm 2021. [DOI: 10.1039/d1ce01413g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Combining surface-confined reactions with supramolecular self-assembly allows the chemical transformation of simple molecular precursors into higher-level tectons to generate complex tessellations with unique structural and functional properties.
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Affiliation(s)
- Wenqi Hu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hexu Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Peng Cheng
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lan Chen
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi Chen
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Svetlana Klyatskaya
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
- Institute for Quantum Materials and Technologies (IQMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Centre Européen de Sciences Quantiques (CESQ), Institut de Science et d'Ingénierie Supramoléculaires (ISIS), 8 allée Gaspard Monge, BP 70028, 67083 Strasbourg Cedex, France
| | - Johannes V. Barth
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Kehui Wu
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yi-Qi Zhang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
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33
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Deimel PS, Aguilar PC, Paszkiewicz M, Duncan DA, Barth JV, Klappenberger F, Schöfberger W, Allegretti F. Stabilisation of tri-valent ions with a vacant coordination site at a corrole-metal interface. Chem Commun (Camb) 2020; 56:11219-11222. [PMID: 32818220 DOI: 10.1039/d0cc03947k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By exploiting an established on-surface metallation strategy, we address the ability of the corrolic macrocycle to stabilise transition metal ions in high-valent (III) oxidation states in metal-supported molecular layers. This approach offers a route to engineer adsorbed metal complexes that cannot be easily fabricated by organic synthesis methods and bear a vacant axial coordination site for catalytic conversions.
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Affiliation(s)
- P S Deimel
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
| | - P Casado Aguilar
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
| | - M Paszkiewicz
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
| | - D A Duncan
- Physics Department, Technical University of Munich, D-85748 Garching, Germany. and Diamond Light Source, Harwell Campus, Didcot, OX11 0QX, UK
| | - J V Barth
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
| | - F Klappenberger
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
| | - W Schöfberger
- Institute of Organic Chemistry, Johannes Kepler University, Linz, Austria
| | - F Allegretti
- Physics Department, Technical University of Munich, D-85748 Garching, Germany.
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34
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Ryan PTP, Lalaguna PL, Haag F, Braim MM, Ding P, Payne DJ, Barth JV, Lee TL, Woodruff DP, Allegretti F, Duncan DA. Validation of the inverted adsorption structure for free-base tetraphenyl porphyrin on Cu(111). Chem Commun (Camb) 2020; 56:3681-3684. [PMID: 32118210 DOI: 10.1039/c9cc09638h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Utilising normal incidence X-ray standing waves we rigourously scrutinise the "inverted model" as the adsorption structure of free-base tetraphenyl porphyrin on Cu(111). We demonstrate that the iminic N atoms are anchored at near-bridge adsorption sites on the surface displaced laterally by 1.1 ± 0.2 Å in excellent agreement with previously published calculations.
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Affiliation(s)
- P T P Ryan
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, OX11 0QX, UK.
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35
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Riss A, Richter M, Paz AP, Wang XY, Raju R, He Y, Ducke J, Corral E, Wuttke M, Seufert K, Garnica M, Rubio A, V Barth J, Narita A, Müllen K, Berger R, Feng X, Palma CA, Auwärter W. Polycyclic aromatic chains on metals and insulating layers by repetitive [3+2] cycloadditions. Nat Commun 2020; 11:1490. [PMID: 32198456 PMCID: PMC7083871 DOI: 10.1038/s41467-020-15210-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 02/24/2020] [Indexed: 12/03/2022] Open
Abstract
The vast potential of organic materials for electronic, optoelectronic and spintronic devices entails substantial interest in the fabrication of π-conjugated systems with tailored functionality directly at insulating interfaces. On-surface fabrication of such materials on non-metal surfaces remains to be demonstrated with high yield and selectivity. Here we present the synthesis of polyaromatic chains on metallic substrates, insulating layers, and in the solid state. Scanning probe microscopy shows the formation of azaullazine repeating units on Au(111), Ag(111), and h-BN/Cu(111), stemming from intermolecular homo-coupling via cycloaddition reactions of CN-substituted polycyclic aromatic azomethine ylide (PAMY) intermediates followed by subsequent dehydrogenation. Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry demonstrates that the reaction also takes place in the solid state in the absence of any catalyst. Such intermolecular cycloaddition reactions are promising methods for direct synthesis of regioregular polyaromatic polymers on arbitrary insulating surfaces.
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Affiliation(s)
- Alexander Riss
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany.
| | - Marcus Richter
- Department for Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed), Faculty of Chemistry and Food Chemistry, Dresden University of Technology, Mommsenstr. 4, 01062, Dresden, Germany
| | - Alejandro Pérez Paz
- School of Physical Sciences and Nanotechnology, Yachay Tech University, 100119, Urcuquí, Ecuador
- Chemistry Department, College of Science, United Arab Emirates University (UAEU), P.O. Box 15551, Al Ain, United Arab Emirates
- Nano-Bio Spectroscopy Group and ETSF, Universidad del País Vasco, 20018, San Sebastián, Spain
| | - Xiao-Ye Wang
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 300071, Tianjin, China
| | - Rajesh Raju
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Yuanqin He
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Jacob Ducke
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Eduardo Corral
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Michael Wuttke
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Knud Seufert
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Manuela Garnica
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), 28049, Madrid, Spain
| | - Angel Rubio
- Nano-Bio Spectroscopy Group and ETSF, Universidad del País Vasco, 20018, San Sebastián, Spain
- Max Planck Institute for the Structure and Dynamics of Matter, Luruper Chaussee 149, 22761, Hamburg, Germany
- Center for Free-Electron Laser Science and Department of Physics, University of Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
| | - Akimitsu Narita
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami, Okinawa, 904-0495, Japan
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute of Physical Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, D-55128, Mainz, Germany
| | - Reinhard Berger
- Department for Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed), Faculty of Chemistry and Food Chemistry, Dresden University of Technology, Mommsenstr. 4, 01062, Dresden, Germany
| | - Xinliang Feng
- Department for Molecular Functional Materials, Center for Advancing Electronics Dresden (cfaed), Faculty of Chemistry and Food Chemistry, Dresden University of Technology, Mommsenstr. 4, 01062, Dresden, Germany
| | - Carlos-Andres Palma
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany.
- Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China.
| | - Willi Auwärter
- Physics Department E20, Technical University of Munich, James-Franck-Str. 1, 85748, Garching, Germany
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36
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Zhang R, Liu J, Gao Y, Hua M, Xia B, Knecht P, Papageorgiou AC, Reichert J, Barth JV, Xu H, Huang L, Lin N. On‐surface Synthesis of a Semiconducting 2D Metal–Organic Framework Cu
3
(C
6
O
6
) Exhibiting Dispersive Electronic Bands. Angew Chem Int Ed Engl 2020; 59:2669-2673. [DOI: 10.1002/anie.201913698] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Ran Zhang
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
| | - Jing Liu
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
| | - Yifan Gao
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Muqing Hua
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
| | - Bowen Xia
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Peter Knecht
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | | | - Joachim Reichert
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Hu Xu
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Li Huang
- Department of PhysicsSouthern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Nian Lin
- Department of PhysicsThe Hong Kong University of Science and Technology Hong Kong SAR China
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37
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Bi H, Palma CA, Gong Y, Stallhofer K, Nuber M, Jing C, Meggendorfer F, Wen S, Yam C, Kienberger R, Elbing M, Mayor M, Iglev H, Barth JV, Reichert J. Electron–Phonon Coupling in Current-Driven Single-Molecule Junctions. J Am Chem Soc 2020; 142:3384-3391. [DOI: 10.1021/jacs.9b07757] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hai Bi
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Carlos-Andres Palma
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
- Institute of Physics, Chinese Academy of Sciences, 100190 Beijing, P. R. China
- Department of Physics & IRIS Adlershof, Humboldt-Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany
| | - Yuxiang Gong
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Klara Stallhofer
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Matthias Nuber
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Chao Jing
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Felix Meggendorfer
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Shizheng Wen
- Beijing Computational Science Research Center, 100084 Beijing, P. R. China
| | - ChiYung Yam
- Beijing Computational Science Research Center, 100084 Beijing, P. R. China
| | - Reinhard Kienberger
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Mark Elbing
- Department of Applied Natural Sciences, TH Lübeck, Mönkhofer Weg 239, 23562 Lübeck, Germany
| | - Marcel Mayor
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
- Department of Chemistry, University of Basel, St Johannsring 19, CH-4056 Basel, Switzerland
| | - Hristo Iglev
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Johannes V. Barth
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
| | - Joachim Reichert
- Physics Department, Technical University of Munich, James-Franck-Str. 1, 85748 Garching, Germany
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38
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Jing C, Zhang B, Synkule S, Ebrahimi M, Riss A, Auwärter W, Jiang L, Médard G, Reichert J, Barth JV, Papageorgiou AC. Snapshots of Dynamic Adaptation: Two-Dimensional Molecular Architectonics with Linear Bis-Hydroxamic Acid Modules. Angew Chem Int Ed Engl 2019; 58:18948-18956. [PMID: 31671244 PMCID: PMC6973039 DOI: 10.1002/anie.201912247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Indexed: 12/13/2022]
Abstract
Linear modules equipped with two terminal hydroxamic acid groups act as the building block of diverse two-dimensional supramolecular motifs and patterns with room-temperature stability on the close-packed single-crystal surfaces of silver and gold, revealing a complex self-assembly scenario. By combining multiple investigation techniques (scanning tunneling microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, and density functional theory calculations), we analyze the characteristics of the ordered assemblies which range from close-packed structures to polyporous networks featuring an exceptionally extended primitive unit cell with a side length exceeding 7 nm. The polyporous network shows potential for hosting and promoting the formation of chiral supramolecules, whereas a transition from 1D chiral randomness to an ordered racemate is discovered in a different porous phase. We correlate the observed structural changes to the adaptivity of the building block and surface-induced changes in the chemical state of the hydroxamic acid functional group.
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Affiliation(s)
- Chao Jing
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
- Key Laboratory for Advanced MaterialsSchool of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai200237P. R. China
| | - Bodong Zhang
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Sabine Synkule
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Maryam Ebrahimi
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
- Department of ChemistryLakehead University955 Oliver RdThunder BayONP7B 5E1Canada
| | - Alexander Riss
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Willi Auwärter
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Li Jiang
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Guillaume Médard
- Chair of Proteomics and BioanalyticsTechnical University of MunichEmil Erlenmeyer Forum 585354FreisingGermany
| | - Joachim Reichert
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
| | - Johannes V. Barth
- Physics Department E20Technical University of MunichJames Franck Straße 185748GarchingGermany
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39
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Jing C, Zhang B, Synkule S, Ebrahimi M, Riss A, Auwärter W, Jiang L, Médard G, Reichert J, Barth JV, Papageorgiou AC. Frontispiece: Snapshots of Dynamic Adaptation: Two‐Dimensional Molecular Architectonics with Linear Bis‐Hydroxamic Acid Modules. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/anie.201985262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chao Jing
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Key Laboratory for Advanced Materials School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 P. R. China
| | - Bodong Zhang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Sabine Synkule
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Maryam Ebrahimi
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Department of Chemistry Lakehead University 955 Oliver Rd Thunder Bay ON P7B 5E1 Canada
| | - Alexander Riss
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Willi Auwärter
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Li Jiang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Guillaume Médard
- Chair of Proteomics and Bioanalytics Technical University of Munich Emil Erlenmeyer Forum 5 85354 Freising Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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40
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Jing C, Zhang B, Synkule S, Ebrahimi M, Riss A, Auwärter W, Jiang L, Médard G, Reichert J, Barth JV, Papageorgiou AC. Frontispiz: Snapshots of Dynamic Adaptation: Two‐Dimensional Molecular Architectonics with Linear Bis‐Hydroxamic Acid Modules. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201985262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chao Jing
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Key Laboratory for Advanced Materials School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 P. R. China
| | - Bodong Zhang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Sabine Synkule
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Maryam Ebrahimi
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Department of Chemistry Lakehead University 955 Oliver Rd Thunder Bay ON P7B 5E1 Canada
| | - Alexander Riss
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Willi Auwärter
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Li Jiang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Guillaume Médard
- Chair of Proteomics and Bioanalytics Technical University of Munich Emil Erlenmeyer Forum 5 85354 Freising Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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41
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Jing C, Zhang B, Synkule S, Ebrahimi M, Riss A, Auwärter W, Jiang L, Médard G, Reichert J, Barth JV, Papageorgiou AC. Snapshots of Dynamic Adaptation: Two‐Dimensional Molecular Architectonics with Linear Bis‐Hydroxamic Acid Modules. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912247] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chao Jing
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Key Laboratory for Advanced Materials School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 P. R. China
| | - Bodong Zhang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Sabine Synkule
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Maryam Ebrahimi
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
- Department of Chemistry Lakehead University 955 Oliver Rd Thunder Bay ON P7B 5E1 Canada
| | - Alexander Riss
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Willi Auwärter
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Li Jiang
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Guillaume Médard
- Chair of Proteomics and Bioanalytics Technical University of Munich Emil Erlenmeyer Forum 5 85354 Freising Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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42
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Riemensberger J, Neppl S, Potamianos D, Schäffer M, Schnitzenbaumer M, Ossiander M, Schröder C, Guggenmos A, Kleineberg U, Menzel D, Allegretti F, Barth JV, Kienberger R, Feulner P, Borisov AG, Echenique PM, Kazansky AK. Attosecond Dynamics of sp-Band Photoexcitation. Phys Rev Lett 2019; 123:176801. [PMID: 31702261 DOI: 10.1103/physrevlett.123.176801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 06/03/2019] [Indexed: 06/10/2023]
Abstract
We report measurements of the temporal dynamics of the valence band photoemission from the magnesium (0001) surface across the resonance of the Γ[over ¯] surface state at 134 eV and link them to observations of high-resolution synchrotron photoemission and numerical calculations of the time-dependent Schrödinger equation using an effective single-electron model potential. We observe a decrease in the time delay between photoemission from delocalized valence states and the localized core orbitals on resonance. Our approach to rigorously link excitation energy-resolved conventional steady-state photoemission with attosecond streaking spectroscopy reveals the connection between energy-space properties of bound electronic states and the temporal dynamics of the fundamental electronic excitations underlying the photoelectric effect.
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Affiliation(s)
- Johann Riemensberger
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
- Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
| | - Stefan Neppl
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Dionysios Potamianos
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
- Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
| | - Martin Schäffer
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | | | - Marcus Ossiander
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
- Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
| | - Christian Schröder
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Alexander Guggenmos
- Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
- Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - Ulf Kleineberg
- Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching, Germany
- Fakultät für Physik, Ludwig-Maximilians-Universität München, Am Coulombwall 1, 85748 Garching, Germany
| | - Dietrich Menzel
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Francesco Allegretti
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Johannes V Barth
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Reinhard Kienberger
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Peter Feulner
- Physik Department, Technische Universität München, James-Franck-Str 1, 85748 Garching, Germany
| | - Andrei G Borisov
- Institut des Sciences Moléculaires d'Orsay (ISMO), UMR 8214, CNRS, Université Paris Sud, Université Paris-Saclay, bât 520, F-91405 Orsay, France
- Material Physics Center CSIC-UPV/EHU; Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal 5 20018, Donostia-San Sebastián, Spain
| | - Pedro M Echenique
- Material Physics Center CSIC-UPV/EHU; Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal 5 20018, Donostia-San Sebastián, Spain
| | - Andrey K Kazansky
- Material Physics Center CSIC-UPV/EHU; Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal 5 20018, Donostia-San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
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43
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Zhang L, Zhang YQ, Chen Z, Lin T, Paszkiewicz M, Hellwig R, Huang T, Ruben M, Barth JV, Klappenberger F. On-Surface Activation of Trimethylsilyl-Terminated Alkynes on Coinage Metal Surfaces. Chemphyschem 2019; 20:2382-2393. [PMID: 31120616 DOI: 10.1002/cphc.201900249] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/14/2019] [Indexed: 11/11/2022]
Abstract
The controlled attachment of protecting groups combined with the ability to selectively abstract them is central to organic synthesis. The trimethylsilyl (TMS) functional group is a popular protecting group in solution. However, insights on its activation behavior under ultra-high vacuum (UHV) and surface-confined conditions are scarce. Here we investigate a series of TMS-protected alkyne precursors via scanning tunneling microscopy (STM) regarding their compatibility with organic molecular beam epitaxy (OMBE) and their potential deprotection on various coinage metal surfaces. After in-situ evaporation on the substrates held in UHV at room temperature, we find that all molecules arrived and adsorbed as intact units forming ordered supramolecular aggregates stabilized by non-covalent interactions. Thus, TMS-functionalized alkyne precursors with weights up to 1100 atomic mass units are stable against OMBE evaporation in UHV. Furthermore, the TMS activation through thermal annealing is investigated with STM and X-ray photoelectron spectroscopy (XPS). We observe that deprotection starts to occur between 400 K and 500 K on the copper and gold surfaces, respectively. In contrast, on silver surfaces, the TMS-alkyne bond remains stable up to temperatures where molecular desorption sets in (≈600 K). Hence, TMS functional groups can be utilized as leaving groups on copper and gold surfaces while they serve as protecting groups on silver surfaces.
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Affiliation(s)
- Liding Zhang
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Yi-Qi Zhang
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Zhi Chen
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), 76344, Eggenstein-Leopoldshafen, Germany
| | - Tao Lin
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany.,College of New Materials and New Energies, Shenzhen Technology University, 518118, Shenzhen, China
| | - Mateusz Paszkiewicz
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Raphael Hellwig
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Tianjiao Huang
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Mario Ruben
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), 76344, Eggenstein-Leopoldshafen, Germany.,Département des Matériaux Organiques (DMO), Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), 67034, Strasbourg, France
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
| | - Florian Klappenberger
- Physics Department E20, Technical University of Munich (TUM), 85748, Garching, Germany
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44
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Paintner T, Björk J, Du P, Klyatskaya S, Paszkiewicz M, Hellwig R, Uphoff M, Öner MA, Cuniberto E, Deimel PS, Zhang YQ, Palma CA, Allegretti F, Ruben M, Barth JV, Klappenberger F. Quantum Tunneling Mediated Interfacial Synthesis of a Benzofuran Derivative. Angew Chem Int Ed Engl 2019; 58:11285-11290. [PMID: 31120567 DOI: 10.1002/anie.201904030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Indexed: 11/05/2022]
Abstract
Reaction pathways involving quantum tunneling of protons are fundamental to chemistry and biology. They are responsible for essential aspects of interstellar synthesis, the degradation and isomerization of compounds, enzymatic activity, and protein dynamics. On-surface conditions have been demonstrated to open alternative routes for organic synthesis, often with intricate transformations not accessible in solution. Here, we investigate a hydroalkoxylation reaction of a molecular species adsorbed on a Ag(111) surface by scanning tunneling microscopy complemented by X-ray electron spectroscopy and density functional theory. The closure of the furan ring proceeds at low temperature (down to 150 K) and without detectable side reactions. We unravel a proton-tunneling-mediated pathway theoretically and confirm experimentally its dominant contribution through the kinetic isotope effect with the deuterated derivative.
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Affiliation(s)
- 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
| | - Ping Du
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Svetlana Klyatskaya
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Mateusz Paszkiewicz
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Raphael Hellwig
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Martin Uphoff
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Murat A Öner
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Edoardo Cuniberto
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Peter S Deimel
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Yi-Qi Zhang
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Carlos-Andres Palma
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany.,Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, P. R. China
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.,Institute de Physique et Chimie de Matériaux (IPCMS), Université Strasbourg, 23 rue du Loess, BP 43, 67034, Strasbourg cedex 2, France
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748, Garching, Germany
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45
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Urgel JI, Écija D, Vijayaraghavan S, Pörtner M, Bocquet M, Auwärter W, Barth JV. In‐Situ Growth of Gadolinium Phthalocyaninato Sandwich Complexes on the Ag(111) Surface. Chemphyschem 2019; 20:2301-2304. [DOI: 10.1002/cphc.201900253] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/11/2019] [Indexed: 11/08/2022]
Affiliation(s)
- José I. Urgel
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
- EMPASwiss Federal Laboratories for Materials Science and Technology nanotech@surfaces Laboratory 8600 Dübendorf Switzerland
| | - David Écija
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
- IMDEA Nanociencia C/ Faraday 9Ciudad Universitaria de Cantoblanco 28049 Madrid Spain
| | - Saranyan Vijayaraghavan
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
| | - Mathias Pörtner
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
| | - Marie‐Laure Bocquet
- PASTEUR, Département de chimie, École normale supérieure PSL UniversitySorbonne Université CNRS, 24 Rue Lhomond 75005 Paris France
| | - Willi Auwärter
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20Technical University of Munich James Franck Str. 1 D-85748 Garching Germany
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46
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Paintner T, Björk J, Du P, Klyatskaya S, Paszkiewicz M, Hellwig R, Uphoff M, Öner MA, Cuniberto E, Deimel PS, Zhang Y, Palma C, Allegretti F, Ruben M, Barth JV, Klappenberger F. Quantum Tunneling Mediated Interfacial Synthesis of a Benzofuran Derivative. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tobias Paintner
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Jonas Björk
- Department of Physics, Chemistry and Biology, IFMLinköping University 58183 Linköping Sweden
| | - Ping Du
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Svetlana Klyatskaya
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | | | - Raphael Hellwig
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Martin Uphoff
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Murat A. Öner
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Edoardo Cuniberto
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Peter S. Deimel
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Yi‐Qi Zhang
- Physics Department E20Technical University of Munich 85748 Garching Germany
| | - Carlos‐Andres Palma
- Physics Department E20Technical University of Munich 85748 Garching Germany
- Institute of PhysicsChinese Academy of Sciences 100190 Beijing P. R. China
| | | | - Mario Ruben
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute de Physique et Chimie de Matériaux (IPCMS)Université Strasbourg 23 rue du Loess, BP 43 67034 Strasbourg cedex 2 France
| | - Johannes V. Barth
- Physics Department E20Technical University of Munich 85748 Garching Germany
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47
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Chen Z, Lin T, Zhang L, Zhang L, Xiang B, Xu H, Klappenberger F, Barth JV, Klyatskaya S, Ruben M. Surface‐Dependent Chemoselectivity in C−C Coupling Reactions. Angew Chem Int Ed Engl 2019; 58:8356-8361. [DOI: 10.1002/anie.201900636] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/05/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Zhi Chen
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of EducationCollege of Physics and Optoelectronic EngineeringShenzhen University Shenzhen 518060 China
| | - Tao Lin
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
- College of New Materials and New EnergiesShenzhen Technology University Shenzhen 518118 China
| | - Liding Zhang
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Lei Zhang
- Department of PhysicsSouthern University of Science and Technology Shenzhen 518055 China
| | - Bingxi Xiang
- College of New Materials and New EnergiesShenzhen Technology University Shenzhen 518118 China
| | - Hu Xu
- Department of PhysicsSouthern University of Science and Technology Shenzhen 518055 China
| | - Florian Klappenberger
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Johannes V. Barth
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Svetlana Klyatskaya
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
| | - Mario Ruben
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
- IPCMS-CNRSUniversité de Strasbourg Strasbourg F-67034 France
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48
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Deimel PS, Feulner P, Barth JV, Allegretti F. Spatial decoupling of macrocyclic metal-organic complexes from a metal support: a 4-fluorothiophenol self-assembled monolayer as a thermally removable spacer. Phys Chem Chem Phys 2019; 21:10992-11003. [PMID: 31106802 DOI: 10.1039/c9cp01583c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The precise control over the electronic properties and function of metal centres in metal-organic complexes such as metallo-porphyrins (MPs) and metallo-phthalocyanines (MPcs) holds promise for their targeted application in, e.g., nanoscale chemical conversion devices and molecular sensors. However, when immobilizing these flat chelate complexes on solid supports, the influence of the latter on the metal centres can decisively alter their chemistry and functional properties, e.g. through charge transfer and orbital hybridization on metal substrates. In the present work we explore a simple strategy to both spatially and electronically decouple prototypical MP and MPc compounds from a Ag(111) surface, by preventing direct physical contact with the underlying support via insertion of a self-assembled monolayer (SAM) of 4-fluorothiophenol (4-FTP). This spacer layer can be important to preserve the molecular properties of adsorbed MPs and MPcs and to design hybrid functional systems of increasing sophistication such as stacked multilayer architectures. Herein, we show that at low temperature (∼150 K) the 4-FTP SAM on Ag(111) can indeed serve to decouple iron-phthalocyanine (FePc) and ruthenium-tetraphenylporphyrin (Ru(CO)TPP) monolayers from the Ag(111) surface. When the temperature is increased, however, the system's configuration breaks down, resulting in an inverted stacking followed by the complete removal of 4-FTP at elevated temperatures. The SAM can thus play the role of a thermally removable spacer. We elucidate the structural and chemical evolution of the organic double-layer system by combination of X-ray photoelectron spectroscopy (XPS), temperature-programmed XPS (TP-XPS), temperature-programmed desorption (TPD), and low-energy electron diffraction (LEED) measurements.
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Affiliation(s)
- Peter S Deimel
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany.
| | - Peter Feulner
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany.
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany.
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany.
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49
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Chen Z, Lin T, Zhang L, Zhang L, Xiang B, Xu H, Klappenberger F, Barth JV, Klyatskaya S, Ruben M. Surface‐Dependent Chemoselectivity in C−C Coupling Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhi Chen
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of EducationCollege of Physics and Optoelectronic EngineeringShenzhen University Shenzhen 518060 China
| | - Tao Lin
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
- College of New Materials and New EnergiesShenzhen Technology University Shenzhen 518118 China
| | - Liding Zhang
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Lei Zhang
- Department of PhysicsSouthern University of Science and Technology Shenzhen 518055 China
| | - Bingxi Xiang
- College of New Materials and New EnergiesShenzhen Technology University Shenzhen 518118 China
| | - Hu Xu
- Department of PhysicsSouthern University of Science and Technology Shenzhen 518055 China
| | - Florian Klappenberger
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Johannes V. Barth
- Department of Physics E20Technical University of Munich (TUM) 85748 Garching Germany
| | - Svetlana Klyatskaya
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
| | - Mario Ruben
- Institute of NanotechnologyKarlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
- IPCMS-CNRSUniversité de Strasbourg Strasbourg F-67034 France
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50
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Zhang YQ, Paintner T, Hellwig R, Haag F, Allegretti F, Feulner P, Klyatskaya S, Ruben M, Seitsonen AP, Barth JV, Klappenberger F. Synthesizing Highly Regular Single-Layer Alkynyl–Silver Networks at the Micrometer Scale via Gas-Mediated Surface Reaction. J Am Chem Soc 2019; 141:5087-5091. [DOI: 10.1021/jacs.8b13547] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yi-Qi Zhang
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Tobias Paintner
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Raphael Hellwig
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Felix Haag
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Francesco Allegretti
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Peter Feulner
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
| | - Svetlana Klyatskaya
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
| | - Mario Ruben
- Institute of Nanotechnology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
- IPCMS-CNRS, Université de Strasbourg, 23 rue de Loess, 67034 Strasbourg, France
| | - Ari P. Seitsonen
- Département de Chimie, École Normale Supérieure, 24 rue Lhomond, F-75005 Paris, France
| | - Johannes V. Barth
- Physics Department E20, Technical University of Munich, D-85748 Garching, Germany
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