Self-assembly of nanosize coordination cages on si(100) surfaces.

作者: Marco Busi , Marco Laurenti , Guglielmo G. Condorelli , Alessandro Motta , Maria Favazza

DOI: 10.1002/CHEM.200700496

关键词:

摘要: Bottom-up fabrication of 3D organic nanostructures on Si(100) surfaces has been achieved by a two-step procedure. Tetradentate cavitand 1 was grafted the Si surface together with 1-octene (Oct) as spatial spectator photochemical hydrosilylation. Ligand exchange between and self-assembled homocage 2, derived from 5 bearing fluorescence marker, led to formation coordination cages Si(100). Formation, quantification, distribution nanoscale molecular containers silicon assessed using three complementary analytical techniques (AFM, XPS, fluorescence) validated control experiments cavitand-free surfaces. Interestingly, pyrene at approximately 4 nm above can be clearly observed.

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