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Issue 1, 2017
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Nanoconfined self-assembly on a grafted graphitic surface under electrochemical control

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Abstract

Highly oriented pyrolytic graphite (HOPG) can be covalently grafted with aryl radicals generated via the electrochemical reduction of 3,5-bis-tert-butyl-diazonium cations (3,5-TBD). The structure of the grafted layer and its stability under electrochemical conditions were assessed with electrochemical scanning tunneling microscopy (EC-STM) and cyclic voltammetry (CV). Stable within a wide (>2.5 V) electrochemical window, the grafted species can be locally removed using EC-STM-tip nanolithography. Using dibenzyl viologen as an example, we show that the generated nanocorrals of bare graphitic surface can be used to study nucleation and growth of self-assembled structures under conditions of nanoconfinement and electrochemical potential control.

Graphical abstract: Nanoconfined self-assembly on a grafted graphitic surface under electrochemical control

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Publication details

The article was received on 23 Sep 2016, accepted on 29 Nov 2016 and first published on 07 Dec 2016


Article type: Paper
DOI: 10.1039/C6NR07519C
Citation: Nanoscale, 2017,9, 362-368
  • Open access: Creative Commons BY license
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    Nanoconfined self-assembly on a grafted graphitic surface under electrochemical control

    T. M. T. Huynh, T. H. Phan, O. Ivasenko, S. F. L. Mertens and S. De Feyter, Nanoscale, 2017, 9, 362
    DOI: 10.1039/C6NR07519C

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