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    Functionalization of semiconductor surfaces by organic layers: Concerted cycloaddition versus stepwise free-radical reaction mechanism

    20114_downloaded_stream_102.pdf (707.2Kb)
    Access Status
    Open access
    Authors
    Bilic, Ante
    Reimers, J.
    Hush, N.
    Date
    2006
    Type
    Book Chapter
    
    Metadata
    Show full item record
    Citation
    Bilic, A. and Reimers, J. and Hush, N. 2006. Functionalization of semiconductor surfaces by organic layers: Concerted cycloaddition versus stepwise free-radical reaction mechanism, in Gruetter, P. and Rosei, F. and Hofer, W. (ed), Properties of single molecules on crystal surfaces. London: Imperial College Press.
    Source Title
    Properties of single molecules on crystal surfaces
    Additional URLs
    http://ebooks.worldscinet.com/physics/9781860948053/9781860948053.shtml
    Faculty
    Department of Applied Chemistry
    Division of Engineering, Science and Computing
    Faculty of Science
    Remarks

    Copyright 2006 World Scientific Publishing Co. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/10096
    Collection
    • Curtin Research Publications
    Abstract

    In the age when the miniaturization trend that has driven the semiconductor industry is reaching its limits, organic modification of semiconductors is emerging as a field that could give much-needed impetus. We review the current state of understanding of the functionalization of C(100), Si(100), and Ge(100) surfaces through chemisorption of alkenes and alkynes, focussing on adsorbate structural control. While reactions on C(100) show most of the properties expected for concerted cycloaddition reactions such as [2+2] and [4+2] (Diels-Alder) processes, reactions on Si(100) present a wide range of variant behaviour, including in some cases the prominence of non-cycloaddition products. More general stepwise free-radical addition processes are seen to provide a better description of reactions on Si(100), their prominence being attributed to either the non-existence or ineffectiveness of p bonding within surface silicon dimers. The investigations of these systems provide not only insight into driving mechanisms for chemisorption but also motivation for the development of new techniques of organic functionalization on semiconductors.

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