Please use this identifier to cite or link to this item:
Title: Selective binding of the cyano group in acrylonitrile adsorption on Si(100)-2 × 1
Authors: Tao, F.
Sim, W.S. 
Xu, G.Q. 
Qiao, M.H.
Issue Date: 26-Sep-2001
Citation: Tao, F., Sim, W.S., Xu, G.Q., Qiao, M.H. (2001-09-26). Selective binding of the cyano group in acrylonitrile adsorption on Si(100)-2 × 1. Journal of the American Chemical Society 123 (38) : 9397-9403. ScholarBank@NUS Repository.
Abstract: The covalent binding of acrylonitrile (CH2=CH-C≡N) and the formation of a C=C-C=N structure on Si(100) have been investigated using high-resolution electron energy loss spectroscopy (HREELS), X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), and density functional theory (DFT) calculations. For chemisorbed acrylonitrile, the absence of ν(C≡N) at 2245 cm-1 and the appearance of ν(C=N) at 1669 cm-1 demonstrate that the cyano group directly participates in the interaction with Si(100), which is further supported by XPS and UPS observations. Our experimental results and DFT calculations unambiguously demonstrate a [2 + 2] cycloaddition mechanism for acrylonitrile chemisorption on Si(100) through the binding of C≡N to Si dimers. The resulting chemisorbed monolayer with a C=C-C=N skeleton can serve as a precursor for further chemical syntheses of multilayer organic thin films in a vacuum and surface functionalization for in situ device fabrication.
Source Title: Journal of the American Chemical Society
ISSN: 00027863
DOI: 10.1021/ja010574j
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.


checked on Jan 18, 2021


checked on Jan 18, 2021

Page view(s)

checked on Jan 17, 2021

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.