Electrospray Ion Beam Deposition: Soft-Landing and Fragmentation of Functional Molecules at Solid Surfaces

Rauschenbach, Stephan; Vogelgesang, Ralf; Malinowski, N.; Gerlach, J. W.; Benyoucef, M.; Costantini, Giovanni; Deng, Zanhong; Thontasen, Nicha; Kern, Klaus

doi:10.1021/nn900022p

Cited by 98 publications

(123 citation statements)

References 56 publications

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“…32,33,34 Current developments of adapted electrospray and soft-landing techniques now permit the transfer of essentially any molecule or salt from solution to UHV. 35,36,37,38,39 d) The spatial resolution of UHV-STM (and now NC-AFM) is much higher than in solution, allowing precise characterization of sub-atomic details and conformations and precise measurements of interatomic distances. STM manipulation of single atoms and molecules is now a routine and precise technique that allows perturbation of the observed system to evaluate its stability and to displace molecules.…”

Section: Vacuum-solid Versus Liquid-solid Interfacesmentioning

confidence: 99%

Bicomponent Supramolecular Architectures at the Vacuum–Solid Interface

et al. 2017

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This review aims at giving the readers the basic concepts needed to understand two-dimensional bimolecular organizations at the vacuum–solid interface. The first part describes and analyzes molecules–molecules and molecules–substrates interactions. The current limitations and needs in the understanding of these forces are also detailed. Then, a critical analysis of the past and recent advances in the field is presented by discussing most of the key papers describing bicomponents self-assembly on solid surface in an ultrahigh vacuum environment. These sections are organized by considering decreasing molecule–molecule interaction strengths (i.e. starting from strong directional multiple H bonds up to weaker nondirectional bonds taking into account the increasing fundamental role played by the surface). Finally, we conclude with some research directions (predicting self-assembly, multi-components systems, and nonmetallic surfaces) and potential applications (porous networks and organic surfaces).

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Section: Vacuum-solid Versus Liquid-solid Interfacesmentioning

confidence: 99%

Bicomponent Supramolecular Architectures at the Vacuum–Solid Interface

et al. 2017

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“…with more conformational flexibility, is less well studied, for example the bending of chains on a surface. [14][15][16][17] This is mainly due to the difficulties in depositing such large molecules on surfaces in a clean and intact fashion, 18 and hence alternative strategies such as the on-surface formation of organometallic [19][20][21] or covalently bonded structures 22 are utilized. Although the adsorption geometry of monomers within a Cucoordinated polymer has been studied, 23 no details of the manipulation of the conformational structure of a molecular chain or the interaction between the conformation of the chain and its overall shape has been reported upon.…”

Section: Introductionmentioning

confidence: 99%

Manipulating the Conformation of Single Organometallic Chains on Au(111)

et al. 2013

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The conformations of organometallic polymers formed via the bottom-up assembly of monomer units on a metal surface are investigated, and the relationship between the adsorption geometry of the individual monomer units, the conformational structure of the chain, and the overall shape of the polymer is explored. Iodine-functionalized monomer units deposited onto a Au (111) substrate are found to form linear chain structures, where each monomer is linked to its neighbors via an Au adatom. Lateral manipulation of the linear chains using a scanning tunneling microscope allows the structure of the chain to be converted from a linear geometry to a curved one, and it is shown that a transformation of the overall shape of the chain is coupled to a conformational re-arrangement of the chain structure as well as a change in the adsorption geometry of the monomer units within the chain. The observed conformational structure of the curved chain is well ordered and distinct from that of the linear chains. The structures of both the linear and curved chains are investigated by a combination of scanning tunneling microscopy measurements and theoretical calculations.

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“…1) on an Au(111) surface with coverages ranging from submonolayer to multilayers. It has recently been shown that UHV-ESD and related spray techniques provide a viable method for the transfer of non-volatile/thermally labile species such as dye molecules and polymers from solution onto surfaces held in UHV [33][34][35][36][37][38][39] ; the development and application of this technique is crucial for the deposition of Mn 12 (acetate) 16 . Images of the adsorbed Mn 12 (acetate) 16 are acquired using an STM operating at room temperature under UHV conditions.…”

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confidence: 99%

Self-assembled aggregates formed by single-molecule magnets on a gold surface

et al. 2010

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The spontaneous ordering of molecules into two-dimensional self-assembled arrays is commonly stabilized by directional intermolecular interactions that may be promoted by the addition of specific chemical side groups to a molecule. In this paper, we show that self-assembly may also be driven by anisotropic interactions that arise from the three-dimensional shape of a complex molecule. We study the molecule mn 12 o 12 (o 2 CCH 3 ) 16 (H 2 o) 4 (mn 12 (acetate) 16 ), which is transferred from solution onto a Au(111) substrate held in ultrahigh vacuum using electrospray deposition (uHV-EsD). The deposited mn 12 (acetate) 16 molecules form filamentary aggregates because of the anisotropic nature of the molecule-molecule and molecule-substrate interactions, as confirmed by molecular dynamics calculations. The fragile mn 12 o 12 core of the mn 12 (acetate) 16 molecule is compatible with the uHV-EsD process, which we demonstrate using near-edge X-ray adsorption fine-structure spectroscopy. uHV-EsD of mn 12 (acetate) 16 onto a surface that has been prepatterned with a hydrogen-bonded supramolecular network provides additional control of lateral organization.

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Electrospray Ion Beam Deposition: Soft-Landing and Fragmentation of Functional Molecules at Solid Surfaces

Cited by 98 publications

References 56 publications

Bicomponent Supramolecular Architectures at the Vacuum–Solid Interface

Bicomponent Supramolecular Architectures at the Vacuum–Solid Interface

Manipulating the Conformation of Single Organometallic Chains on Au(111)

Self-assembled aggregates formed by single-molecule magnets on a gold surface

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