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    Covalent attachment of acetonitrile on Si(100) through Si–C and Si–N linkages

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    TAo_covalent_attachment2001.pdf (596.2Kb)
    Issue Date
    2001
    Author
    Tao, Franklin Feng
    Wang, Zhong Hai
    Qiao, Ming Hua
    Liu, Qin
    Sim, Wee Sun
    Xu, Guo Qin
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    The covalent binding and adsorption states of acetonitrile on Si(100) have been investigated using temperature programmed desorption(TPD),x-ray photoelectron spectroscopy(XPS), high-resolution electron energy loss spectroscopy (HREELS), and density functiontheory(DFT) calculation. XPS and HREELS results show that acetonitrile chemisorbs on Si(100) in a side-on di-σ binding configuration, forming Si–C and Si–N σ bonds. TPD measurements reveal the presence of two desorption states, β1 and β2 with desorption energies of 29.8 and 24.6 kcal mol−1, respectively. Based on DFT calculations, the β1 state is possibly assigned to di-σ bonded acetonitrile on top of a dimer and/or in an in-row bridging chemisorption, while the β2 state is related to acetonitrile bonded in a cross-row bridging configuration.
    Description
    this is the published version. Copyright 2001 American Institute of Physics
    URI
    http://hdl.handle.net/1808/18959
    DOI
    https://doi.org/10.1063/1.1410388
    Collections
    • Chemical & Petroleum Engineering Scholarly Works [173]
    Citation
    Tao, Feng, Zhong Hai Wang, Ming Hua Qiao, Qin Liu, Wee Sun Sim, and Guo Qin Xu. "Covalent Attachment of Acetonitrile on Si(100) through Si–C and Si–N Linkages." The Journal of Chemical Physics J. Chem. Phys. 115.18 (2001): 8563. http://dx.doi.org/10.1063/1.1410388

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    KU Libraries
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    785-864-8983

    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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