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Issue 69, 2014
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An STM study of molecular exchange processes in organic thin film growth

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Abstract

The growth of a fullerene derivative (PCBM) on top of a layer of a tetrathiafulvalene (TTF) derivative previously deposited on Au(111) has been studied by scanning tunneling microscopy (STM). The results show that the preferential interaction with the gold substrate induces the exchange of PCBM molecules with the exTTF monolayer, expelling exTTF molecules to the outer surface. This exchange process is forbidden when the thickness of the exTTF layer increases above the monolayer, and the larger surface energy of PCBM leads to the growth of 3D islands.

Graphical abstract: An STM study of molecular exchange processes in organic thin film growth

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Publication details

The article was received on 14 May 2014, accepted on 05 Jul 2014 and first published on 07 Jul 2014


Article type: Communication
DOI: 10.1039/C4CC03656E
Author version available: Download Author version (PDF)
Citation: Chem. Commun., 2014,50, 9954-9957
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    An STM study of molecular exchange processes in organic thin film growth

    J. M. Gallego, D. Ecija, N. Martín, R. Otero and R. Miranda, Chem. Commun., 2014, 50, 9954
    DOI: 10.1039/C4CC03656E

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