Guided Self-Assembly of Metal Atoms on Silicon Using Organic-Molecule Templating

Assembling molecular components into low-dimensional structures offers new opportunities for nanoscale device applications. Here we describe the self-assembly of indium atoms into metallic chains on the silicon (001) surface using adsorbed benzonitrile molecules as nucleation and termination sites....

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Bibliographic Details
Published in:Journal of the American Chemical Society 2012-09, Vol.134 (37), p.15312-15317
Main Authors: Belcher, Daniel R, Radny, Marian W, Schofield, Steven R, Smith, Phillip V, Warschkow, Oliver
Format: Article
Language:English
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Summary:Assembling molecular components into low-dimensional structures offers new opportunities for nanoscale device applications. Here we describe the self-assembly of indium atoms into metallic chains on the silicon (001) surface using adsorbed benzonitrile molecules as nucleation and termination sites. Critically, individual benzonitrile adsorbates can be manipulated using scanning tunneling microscopy. This affords control over the position and orientation of the molecular adsorbates, which in turn determine the origin, direction, and length of the self-assembled metallic chains.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja3026399