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dc.contributor.author
Cometto, Fernando Pablo
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dc.contributor.author
Kern, Klaus
dc.contributor.author
Lingenfelder, Magalí Alejandra
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dc.date.available
2018-04-26T18:19:34Z
dc.date.issued
2015-04
dc.identifier.citation
Cometto, Fernando Pablo; Kern, Klaus; Lingenfelder, Magalí Alejandra; Local Conformational Switching of Supramolecular Networks at the Solid/Liquid Interface; American Chemical Society; ACS Nano; 9; 5; 4-2015; 5544-5550
dc.identifier.issn
1936-0851
dc.identifier.uri
http://hdl.handle.net/11336/43565
dc.description.abstract
We use the electric field in a scanning tunneling microscope to manipulate the transition between open and close packed 2D supramolecular networks of neutral molecules in nonpolar apolar media. We found that while the magnitude of the applied field is not decisive, it is the sign of the polarization that needs to be maintained to select one particular polymorph. Moreover, the switching is independent of the solvent used and fully reversible. We propose that the orientation of the surface dipole determined by the electric field might favor different conformational-depended charge transfer mechanisms of the adsorbates to the surface, inducing open (closed) structures for negative (positive) potentials. Our results show new avenues for the use of local fields to select the polymorphic outcome of supramolecular assemblies at the solid/liquid interface. The effect has potential to control locally the capture and release of analytes in host-guest systems and the 2D morphology in multicomponent layers.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Molecular Switch
dc.subject
Phase Behavior
dc.subject
Scanning Tunneling Microscopy (Stm)
dc.subject
Self-Assembly
dc.subject
Surface Science
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Local Conformational Switching of Supramolecular Networks at the Solid/Liquid Interface
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-26T17:53:09Z
dc.journal.volume
9
dc.journal.number
5
dc.journal.pagination
5544-5550
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Washington
dc.description.fil
Fil: Cometto, Fernando Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Institut de Physique de la Matière Condensée; Suiza. Max Planck-EPFL Laboratory for Molecular Nanoscience; Suiza
dc.description.fil
Fil: Kern, Klaus. Institut de Physique de la Matière Condensée; Suiza. Max-Planck-Institut für Festkörperforschung; Alemania
dc.description.fil
Fil: Lingenfelder, Magalí Alejandra. Institut de Physique de la Matière Condensée; Suiza. Max Planck-EPFL Laboratory for Molecular Nanoscience; Suiza
dc.journal.title
ACS Nano
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/acsnano.5b01658
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acsnano.5b01658
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