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Functionalized truxenes: adsorption and diffusion of single molecules on the KBr(001) surface.

Such, B, Trevethan, T, Glatzel, T, Kawai, S, Zimmerli, L, Meyer, E, Shluger, AL, Amijs, CH, de Mendoza, P and Echavarren, AM (2010) Functionalized truxenes: adsorption and diffusion of single molecules on the KBr(001) surface. ACS Nano, 4 (6). pp. 3429-3439.

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Abstract

In this work, we have studied the adsorption and diffusion of large functionalized organic molecules on an insulating ionic surface at room temperature using a noncontact atomic force microscope (NC-AFM) and theoretical modeling. Custom designed syn-5,10,15-tris(4-cyanophenylmethyl)truxene molecules are adsorbed onto the nanoscale structured KBr(001) surface at low coverages and imaged with atomic and molecular resolution with the NC-AFM. The molecules are observed rapidly diffusing along the perfect monolayer step edges and immobilized at monolayer kink sites. Extensive atomistic simulations elucidate the mechanisms of adsorption and diffusion of the molecule on the different surface features. The results of this study suggest methods of controlling the diffusion of adsorbates on insulating and nanostructured surfaces.

Item Type: Article
Authors :
NameEmailORCID
Such, BUNSPECIFIEDUNSPECIFIED
Trevethan, Tt.trevethan@surrey.ac.ukUNSPECIFIED
Glatzel, TUNSPECIFIEDUNSPECIFIED
Kawai, SUNSPECIFIEDUNSPECIFIED
Zimmerli, LUNSPECIFIEDUNSPECIFIED
Meyer, EUNSPECIFIEDUNSPECIFIED
Shluger, ALUNSPECIFIEDUNSPECIFIED
Amijs, CHUNSPECIFIEDUNSPECIFIED
de Mendoza, PUNSPECIFIEDUNSPECIFIED
Echavarren, AMUNSPECIFIEDUNSPECIFIED
Date : 22 June 2010
Identification Number : https://doi.org/10.1021/nn100424g
Uncontrolled Keywords : Adsorption, Computer Simulation, Crystallization, Diffusion, Macromolecular Substances, Materials Testing, Models, Chemical, Molecular Conformation, Nanostructures, Nanotechnology, Particle Size, Polycyclic Compounds, Surface Properties
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:35
Last Modified : 17 May 2017 15:04
URI: http://epubs.surrey.ac.uk/id/eprint/835935

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