1
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Ben David R, Ben Yaacov A, Eren B. Hydrogen Exchange through Hydrogen Bonding between Methanol and Water in the Adsorbed State on Cu(111). J Phys Chem Lett 2023; 14:2644-2650. [PMID: 36888973 PMCID: PMC10026171 DOI: 10.1021/acs.jpclett.3c00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/07/2023] [Indexed: 06/18/2023]
Abstract
The interaction between submonolayers of methanol and water on Cu(111) is studied at 95-160 K temperature range with surface-sensitive infrared spectroscopy using isotopically labeled molecules. The initial interaction of methanol with the preadsorbed amorphous solid water at 95 K is through hydrogen-bonding with the dangling hydroxyl groups of water. Upon increasing the temperature up to 140 K, methanol and deuterated water form H-bonded structures which allow hydrogen-deuterium exchange between the hydroxyl group of methanol and the deuterated water. The evolution of the O-D and O-H stretching bands indicate that the hydrogen transfer is dominant at around 120-130 K, slightly below the desorption temperature of methanol. Above 140 K, methanol desorbs and a mixture of hydrogen-related water isotopologues remains on the surface. The isotopic composition of this mixture versus the initial D2O:CH3OH ratio supports a potential exchange mechanism via hydrogen hopping between alternating methanol and water molecules in a hydrogen-bonded network.
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Affiliation(s)
- Roey Ben David
- Department
of Chemical and Biological Physics, Weizmann
Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
| | - Adva Ben Yaacov
- Department
of Chemical and Biological Physics, Weizmann
Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
| | - Baran Eren
- Department
of Chemical and Biological Physics, Weizmann
Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
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2
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Maxwell EM, Garber LA, Rogers CJ, Galgano AJ, Baker JS, Kaleem H, Boyle DT, Berry JL, Baber AE. Desorption trends of small alcohols and the disruption of intermolecular interactions at defect sites on Au(111). Phys Chem Chem Phys 2022; 24:23884-23892. [PMID: 36165463 DOI: 10.1039/d1cp05509g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gold-based catalysts have received tremendous attention as supports and nanoparticles for heterogeneous catalysis, in part due to the ability of nanoscale Au to catalyze reactions at low temperatures in oxidative environments. Surface defects are known active sites for low temperature Au chemistry, so a full understanding of the interplay between intermolecular interactions and surface morphology is essential to an advanced understanding of catalytic behavior and efficiency. In a systematic study to better understand the adsorption and intermolecular behavior of small alcohols (C1-C4) on Au(111) defect sites, coverage studies of methanol, ethanol, 1-propanol, 1-butanol, 2-butanol, and isobutanol have been conducted on Au(111) using ultrahigh vacuum temperature programmed desorption (UHV-TPD). These small alcohols molecularly adsorb on the Au(111) surface and high resolution experiments reveal distinct terrace, step edge, and kink adsorption features for each molecule. The hydrogen-bonded (H-bonded) networks of small alcohols on Au(111), except for 1-butanol and isobutanol, have been previously imaged on the molecular level at low temperatures by scanning tunneling microscopy. Primary C1-C3 alcohols exhibit planar H-bonded long extended zigzag chain networks while 2-butanol arranges in tetramer clusters of H-bonded molecules due to steric hindrance inhibiting the proximity of molecules on Au(111). Herein, the desorption energy of small primary alcohols was shown to trend linearly with increasing C1-C4 carbon chain length, indicating that the H-bonded molecular packing of 1-butanol resembles that of methanol, ethanol, and 1-propanol, while isobutanol and 2-butanol deviate from the trend. Butanol isomer studies allow the prediction of isobutanol long extended chains in contrast to tetramers. The distinction between the desorption of butanol isomers highlights the role of intermolecular interactions due to the difference in molecular packing structures on Au(111). Furthermore, by studying the energetics of terrace H-bonded networks in comparison with molecular adsorption at undercoordinated step edge and kink defect sites, it is shown that the contribution of stabilizing van der Waals forces to the overall adsorption energy is less for small alcohols adsorbed at kink sites (3.1 kJ mol-1 per CH2) and similar for those adsorbed at step edge (4.8 kJ mol-1 per CH2) and Au terrace sites (4.9 kJ mol-1 per CH2).
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Affiliation(s)
- Eric M Maxwell
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - Lyssa A Garber
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - Clayton J Rogers
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - Ava J Galgano
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - Jordon S Baker
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA. .,Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Hasan Kaleem
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - David T Boyle
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA. .,Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Jessica L Berry
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
| | - Ashleigh E Baber
- Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA 22807, USA.
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3
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Muramoto E, Patel DA, Chen W, Sautet P, Sykes ECH, Madix RJ. Direct Observation of Solvent–Reaction Intermediate Interactions in Heterogeneously Catalyzed Alcohol Coupling. J Am Chem Soc 2022; 144:17387-17398. [DOI: 10.1021/jacs.2c02199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eri Muramoto
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Dipna A. Patel
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
| | - Wei Chen
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Philippe Sautet
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - E. Charles H. Sykes
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
| | - Robert J. Madix
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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4
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Ben David R, Ben Yaacov A, Head AR, Eren B. Methanol Decomposition on Copper Surfaces under Ambient Conditions: Mechanism, Surface Kinetics, and Structure Sensitivity. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05933] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Roey Ben David
- Department of Chemical and Biological Physics, Weizmann Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
| | - Adva Ben Yaacov
- Department of Chemical and Biological Physics, Weizmann Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
| | - Ashley R. Head
- Center for Functional Nanomaterials, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973, United States
| | - Baran Eren
- Department of Chemical and Biological Physics, Weizmann Institute of Science, 234 Herzl Street, 76100 Rehovot, Israel
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5
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Murphy C, Ardy Nugroho FA, Härelind H, Hellberg L, Langhammer C. Plasmonic Temperature-Programmed Desorption. NANO LETTERS 2021; 21:353-359. [PMID: 33337897 PMCID: PMC7809689 DOI: 10.1021/acs.nanolett.0c03733] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/13/2020] [Indexed: 06/12/2023]
Abstract
Temperature-programmed desorption (TPD) allows for the determination of the bonding strength and coverage of molecular mono- or multilayers on a surface and is widely used in surface science. In its traditional form using a mass spectrometric readout, this information is derived indirectly by analysis of resulting desorption peaks. This is problematic because the mass spectrometer signal not only originates from the sample surface but also potentially from other surfaces in the measurement chamber. As a complementary alternative, we introduce plasmonic TPD, which directly measures the surface coverage of molecular species adsorbed on metal nanoparticles at ultrahigh vacuum conditions. Using the examples of methanol and benzene on Au nanoparticle surfaces, the method can resolve all relevant features in the submonolayer and multilayer regimes. Furthermore, it enables the study of two types of nanoparticles simultaneously, which is challenging in a traditional TPD experiment, as we demonstrate specifically for Au and Ag.
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Affiliation(s)
- Colin
J. Murphy
- Department
of Chemistry and Chemical Engineering and Competence Centre for Catalysis, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
- Department
of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | | | - Hanna Härelind
- Department
of Chemistry and Chemical Engineering and Competence Centre for Catalysis, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Lars Hellberg
- Department
of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
| | - Christoph Langhammer
- Department
of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
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6
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Abstract
The diffusion of water molecules and clusters across the surfaces of materials is important to a wide range of processes. Interestingly, experiments have shown that on certain substrates, water dimers can diffuse more rapidly than water monomers. Whilst explanations for anomalously fast diffusion have been presented for specific systems, the general underlying physical principles are not yet established. We investigate this through a systematic ab initio study of water monomer and dimer diffusion on a range of surfaces. Calculations reveal different mechanisms for fast water dimer diffusion, which is found to be more widespread than previously anticipated. The key factors affecting diffusion are the balance of water-water versus water-surface bonding and the ease with which hydrogen-bond exchange can occur (either through a classical over-the-barrier process or through quantum-mechanical tunnelling). We anticipate that the insights gained will be useful for understanding future experiments on the diffusion and clustering of hydrogen-bonded adsorbates. The experimental observation that water dimers diffuse more rapidly than monomers across materials’ surfaces is yet to be clarified. Here the authors show by ab initio calculations classical and quantum mechanical mechanisms for faster water dimer diffusion on a broad range of metal and non-metal surfaces.
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7
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Marcinkowski MD, Adamsen KC, Doudin N, Sharp MA, Smith RS, Wang Y, Wendt S, Lauritsen JV, Parkinson GS, Kay BD, Dohnálek Z. Adsorption and reaction of methanol on Fe 3O 4(001). J Chem Phys 2020; 152:064703. [PMID: 32061207 DOI: 10.1063/1.5139418] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The interaction of methanol with iron oxide surfaces is of interest due to its potential in hydrogen storage and from a fundamental perspective as a chemical probe of reactivity. We present here a study examining the adsorption and reaction of methanol on magnetite Fe3O4(001) at cryogenic temperatures using a combination of temperature programmed desorption, x-ray photoelectron spectroscopy, and scanning tunneling microscopy. The methanol desorption profile from Fe3O4(001) is complex, exhibiting peaks at 140 K, 173 K, 230 K, and 268 K, corresponding to the desorption of intact methanol, as well as peaks at 341 K and 495 K due to the reaction of methoxy intermediates. The saturation of a monolayer of methanol corresponds to ∼5 molecules/unit cell (u.c.), which is slightly higher than the number of surface octahedral iron atoms of 4/u.c. We probe the kinetics and thermodynamics of the desorption of molecular methanol using inversion analysis. The deconvolution of the complex desorption profile into individual peaks allows for calculations of both the desorption energy and the prefactor of each feature. The initial 0.7 methanol/u.c. reacts to form methoxy and hydroxy intermediates at 180 K, which remain on the surface above room temperature after intact methanol has desorbed. The methoxy species react via one of two channels, a recombination reaction with surface hydroxyls to form additional methanol at ∼350 K and a disproportionation reaction to form methanol and formaldehyde at ∼500 K. Only 20% of the methoxy species undergo the disproportionation reaction, with most of them reacting via the 350 K pathway.
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Affiliation(s)
- Matthew D Marcinkowski
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Kræn C Adamsen
- Interdisciplinary Nanoscience Center (iNano) and Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Nassar Doudin
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Marcus A Sharp
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - R Scott Smith
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Yang Wang
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Stefan Wendt
- Interdisciplinary Nanoscience Center (iNano) and Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Jeppe V Lauritsen
- Interdisciplinary Nanoscience Center (iNano) and Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
| | - Gareth S Parkinson
- Institute of Applied Physics, Vienna University of Technology, Wiedner Hauptstrasse 8-10/134, 1040 Vienna, Austria
| | - Bruce D Kay
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Zdenek Dohnálek
- Physical and Computational Sciences Directorate and Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
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8
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Latorre CA, Ewen JP, Gattinoni C, Dini D. Simulating Surfactant–Iron Oxide Interfaces: From Density Functional Theory to Molecular Dynamics. J Phys Chem B 2019; 123:6870-6881. [DOI: 10.1021/acs.jpcb.9b02925] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
| | - James P. Ewen
- Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, U.K
| | - Chiara Gattinoni
- Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, U.K
- Department of Materials, ETH Zürich, Zürich 8092, Switzerland
| | - Daniele Dini
- Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, U.K
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9
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Gerrard N, Gattinoni C, McBride F, Michaelides A, Hodgson A. Strain Relief during Ice Growth on a Hexagonal Template. J Am Chem Soc 2019; 141:8599-8607. [PMID: 31023010 PMCID: PMC6543506 DOI: 10.1021/jacs.9b03311] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Indexed: 12/16/2022]
Abstract
Heterogeneous ice nucleation at solid surfaces impacts many areas of science, from environmental processes, such as precipitation, to microbiological systems and food processing, but the microscopic mechanisms underpinning nucleation remain unclear. Discussion of ice growth has often focused around the role of the surface in templating the structure of water, forcing the first layer to adopt the registry of the underlying substrate rather than that of ice. To grow a thick ice film, water in the first few ice layers must accommodate this strain, but understanding how this occurs requires detailed molecular-scale information that is lacking. Here we combine scanning tunneling microscopy, low-energy electron diffraction, and work-function measurements with electronic structure calculations to investigate the initial stages of ice growth on a Pt alloy surface, having a lattice spacing 6% larger than ice. Although the first layer of water forms a strictly commensurate hexagonal network, this behavior does not extend to the second layer. Instead, water forms a 2D structure containing extended defect rows made from face-sharing pentamer and octamer rings. The defect rows allow the majority of second-layer water to remain commensurate with the solid surface while compensating lateral strain by increasing the water density close to that of an ice surface. The observation of octamer-pentamer rows in ice films formed on several surfaces suggests that the octamer-pentamer defect motif acts as a flexible strain relief mechanism in thin ice films, providing a mechanism that is not available during the growth of strained films in other materials, such as semiconductors.
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Affiliation(s)
- Nikki Gerrard
- Surface
Science Research Centre and Department of Chemistry, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Chiara Gattinoni
- Materials
Theory, ETH Zürich, Wolfgang-Pauli-Str. 27, 8093 Zürich, Switzerland
| | - Fiona McBride
- Surface
Science Research Centre and Department of Chemistry, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Angelos Michaelides
- Thomas
Young Centre, London Centre for Nanotechnology and Department of Physics
and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - Andrew Hodgson
- Surface
Science Research Centre and Department of Chemistry, University of Liverpool, Liverpool L69 3BX, United Kingdom
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10
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Carey SJ, Zhao W, Harman E, Baumann AK, Mao Z, Zhang W, Campbell CT. Energetics of Adsorbed Methanol and Methoxy on Ni(111): Comparisons to Pt(111). ACS Catal 2018. [DOI: 10.1021/acscatal.8b02992] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Spencer J. Carey
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Wei Zhao
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Elizabeth Harman
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Ann-Katrin Baumann
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Zhongtian Mao
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Wei Zhang
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
| | - Charles T. Campbell
- Department of Chemistry, University of Washington, Seattle, Washington 98195-1700, United States
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11
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12
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Liriano ML, Larson AM, Gattinoni C, Carrasco J, Baber AE, Lewis EA, Murphy CJ, Lawton TJ, Marcinkowski MD, Therrien AJ, Michaelides A, Sykes ECH. Chirality at two-dimensional surfaces: A perspective from small molecule alcohol assembly on Au(111). J Chem Phys 2018; 149:034703. [PMID: 30037261 DOI: 10.1063/1.5035500] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The delicate balance between hydrogen bonding and van der Waals interactions determines the stability, structure, and chirality of many molecular and supramolecular aggregates weakly adsorbed on solid surfaces. Yet the inherent complexity of these systems makes their experimental study at the molecular level very challenging. In this quest, small alcohols adsorbed on metal surfaces have become a useful model system to gain fundamental insight into the interplay of such molecule-surface and molecule-molecule interactions. Here, through a combination of scanning tunneling microscopy and density functional theory, we compare and contrast the adsorption and self-assembly of a range of small alcohols from methanol to butanol on Au(111). We find that longer chained alcohols prefer to form zigzag chains held together by extended hydrogen bonded networks between adjacent molecules. When alcohols bind to a metal surface datively via one of the two lone electron pairs of the oxygen atom, they become chiral. Therefore, the chain structures are formed by a hydrogen-bonded network between adjacent molecules with alternating adsorbed chirality. These chain structures accommodate longer alkyl tails through larger unit cells, while the position of the hydroxyl group within the alcohol molecule can produce denser unit cells that maximize intermolecular interactions. Interestingly, when intrinsic chirality is introduced into the molecule as in the case of 2-butanol, the assembly changes completely and square packing structures with chiral pockets are observed. This is rationalized by the fact that the intrinsic chirality of the molecule directs the chirality of the adsorbed hydroxyl group meaning that heterochiral chain structures cannot form. Overall this study provides a general framework for understanding the effect of simple alcohol molecular adstructures on hydrogen bonded aggregates and paves the way for rationalizing 2D chiral supramolecular assembly.
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Affiliation(s)
- Melissa L Liriano
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Amanda M Larson
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Chiara Gattinoni
- Thomas Young Centre, London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - Javier Carrasco
- CIC Energigune, Albert Einstein 48, 01510 Miñano, Álava, Spain
| | - Ashleigh E Baber
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Emily A Lewis
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Colin J Murphy
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Timothy J Lawton
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | | | - Andrew J Therrien
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Angelos Michaelides
- Thomas Young Centre, London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - E Charles H Sykes
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
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13
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Oh SC, Lloyd JA, Fischer S, Saǧlam Ö, Papageorgiou AC, Diller K, Duncan DA, Klappenberger F, Allegretti F, Reichert J, Barth JV. Isomerism control of diethylstilbestrol by metal surface induced O–H cleavage. Chem Commun (Camb) 2018; 54:12495-12498. [PMID: 30339165 DOI: 10.1039/c8cc06632a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Thetransorcisconformation of a stilbene is found to be critically dependent on the supporting metal surface.
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Affiliation(s)
- Seung Cheol Oh
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | - Julian A. Lloyd
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | - Sybille Fischer
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | - Özge Saǧlam
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | | | - Katharina Diller
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | - David A. Duncan
- Physics Department E20
- Technical University of Munich
- D-85748 Garching
- Germany
| | | | | | - Joachim Reichert
- 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
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14
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Liriano ML, Gattinoni C, Lewis EA, Murphy CJ, Sykes ECH, Michaelides A. Water-Ice Analogues of Polycyclic Aromatic Hydrocarbons: Water Nanoclusters on Cu(111). J Am Chem Soc 2017; 139:6403-6410. [PMID: 28418246 PMCID: PMC5432957 DOI: 10.1021/jacs.7b01883] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
![]()
Water has an incredible ability to
form a rich variety of structures,
with 16 bulk ice phases identified, for example, as well as numerous
distinct structures for water at interfaces or under confinement.
Many of these structures are built from hexagonal motifs of water
molecules, and indeed, for water on metal surfaces, individual hexamers
of just six water molecules have been observed. Here, we report the
results of low-temperature scanning tunneling microscopy experiments
and density functional theory calculations which reveal a host of
new structures for water–ice nanoclusters when adsorbed on
an atomically flat Cu surface. The H-bonding networks within the nanoclusters
resemble the resonance structures of polycyclic aromatic hydrocarbons,
and water–ice analogues of inene, naphthalene, phenalene, anthracene,
phenanthrene, and triphenylene have been observed. The specific structures
identified and the H-bonding patterns within them reveal new insight
about water on metals that allows us to refine the so-called “2D
ice rules”, which have so far proved useful in understanding
water–ice structures at solid surfaces.
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Affiliation(s)
- Melissa L Liriano
- Department of Chemistry, Tufts University , Medford, Massachusetts 02155, United States
| | - Chiara Gattinoni
- Thomas Young Centre, Department of Physics and Astronomy, London Centre for Nanotechnology, University College London , Gower Street, London WC1E 6BT, U.K
| | - Emily A Lewis
- Department of Chemistry, Tufts University , Medford, Massachusetts 02155, United States
| | - Colin J Murphy
- Department of Chemistry, Tufts University , Medford, Massachusetts 02155, United States.,Competence Centre for Catalysis, Chalmers University of Technology , SE-412 96 Gothenburg, Sweden
| | - E Charles H Sykes
- Department of Chemistry, Tufts University , Medford, Massachusetts 02155, United States
| | - Angelos Michaelides
- Thomas Young Centre, Department of Physics and Astronomy, London Centre for Nanotechnology, University College London , Gower Street, London WC1E 6BT, U.K
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15
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Tikhomirov G, Petersen P, Qian L. Programmable disorder in random DNA tilings. NATURE NANOTECHNOLOGY 2017; 12:251-259. [PMID: 27893729 DOI: 10.1038/nnano.2016.256] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 10/18/2016] [Indexed: 05/18/2023]
Abstract
Scaling up the complexity and diversity of synthetic molecular structures will require strategies that exploit the inherent stochasticity of molecular systems in a controlled fashion. Here we demonstrate a framework for programming random DNA tilings and show how to control the properties of global patterns through simple, local rules. We constructed three general forms of planar network-random loops, mazes and trees-on the surface of self-assembled DNA origami arrays on the micrometre scale with nanometre resolution. Using simple molecular building blocks and robust experimental conditions, we demonstrate control of a wide range of properties of the random networks, including the branching rules, the growth directions, the proximity between adjacent networks and the size distribution. Much as combinatorial approaches for generating random one-dimensional chains of polymers have been used to revolutionize chemical synthesis and the selection of functional nucleic acids, our strategy extends these principles to random two-dimensional networks of molecules and creates new opportunities for fabricating more complex molecular devices that are organized by DNA nanostructures.
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Affiliation(s)
- Grigory Tikhomirov
- Department of Bioengineering, California Institute of Technology, Pasadena, California 91125, USA
| | - Philip Petersen
- Department of Biology, California Institute of Technology, Pasadena, California 91125, USA
| | - Lulu Qian
- Department of Bioengineering, California Institute of Technology, Pasadena, California 91125, USA
- Department of Computer Science, California Institute of Technology, Pasadena, California 91125, USA
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16
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Liriano ML, Carrasco J, Lewis EA, Murphy CJ, Lawton TJ, Marcinkowski MD, Therrien AJ, Michaelides A, Sykes ECH. The interplay of covalency, hydrogen bonding, and dispersion leads to a long range chiral network: The example of 2-butanol. J Chem Phys 2016; 144:094703. [DOI: 10.1063/1.4941560] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Melissa L. Liriano
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Javier Carrasco
- CIC Energigune, Albert Einstein 48, 01510 Miñano, Álava, Spain
| | - Emily A. Lewis
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Colin J. Murphy
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Timothy J. Lawton
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | | | - Andrew J. Therrien
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
| | - Angelos Michaelides
- Thomas Young Centre, London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom
| | - E. Charles H. Sykes
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, USA
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17
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Therrien AJ, Lawton TJ, Mernoff B, Lucci FR, Pushkarev VV, Gellman AJ, Sykes ECH. Chiral nanoscale pores created during the surface explosion of tartaric acid on Cu(111). Chem Commun (Camb) 2016; 52:14282-14285. [DOI: 10.1039/c6cc05820e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The autocatalytic decomposition of tartaric acid on Cu(111) exhibits unique kinetics, which are linked to a hexagonal surface structure adopted at high coverage.
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Affiliation(s)
| | - T. J. Lawton
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - B. Mernoff
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - F. R. Lucci
- Department of Chemistry
- Tufts University
- Medford
- USA
| | - V. V. Pushkarev
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
| | - A. J. Gellman
- Department of Chemical Engineering
- Carnegie Mellon University
- Pittsburgh
- USA
- W.E. Scott Institute for Energy Innovation
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18
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Hughes ZE, Walsh TR. Non-covalent adsorption of amino acid analogues on noble-metal nanoparticles: influence of edges and vertices. Phys Chem Chem Phys 2016; 18:17525-33. [DOI: 10.1039/c6cp02323a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
First-principles calculations on nanoscale-sized noble metal nanoparticles demonstrate that planes, edges and vertices show different noncovalent adsorption propensities depending on the adsorbate functional group.
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Affiliation(s)
- Zak E. Hughes
- Institute for Frontier Materials
- Deakin University
- Geelong VIC 3216
- Australia
| | - Tiffany R. Walsh
- Institute for Frontier Materials
- Deakin University
- Geelong VIC 3216
- Australia
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