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Title: Vibrational studies of the reactions of acetophenone with Si(1 0 0)-2 × 1
Authors: Huang, H.G.
Huang, J.Y.
Cai, Y.H.
Xu, G.Q. 
Issue Date: 3-Oct-2005
Citation: Huang, H.G., Huang, J.Y., Cai, Y.H., Xu, G.Q. (2005-10-03). Vibrational studies of the reactions of acetophenone with Si(1 0 0)-2 × 1. Chemical Physics Letters 414 (1-3) : 143-147. ScholarBank@NUS Repository.
Abstract: The covalent attachment of acetophenone on Si(1 0 0) has been investigated using high-resolution electron energy loss spectroscopy (HREELS) and density functional theory (DFT) calculations. The HREELS spectrum of the chemisorbed monolayer shows the absence of the CO stretching mode around 1687 cm -1 coupled with the retention of all vibrational signatures of a phenyl ring. The experimental results unambiguously demonstrate a [2 + 2]-like cycloaddition mechanism for acetophenone chemisorption on Si(1 0 0) through the binding between the CO group and a Si dimer, consistent with the prediction of DFT calculations. © 2005 Elsevier B.V. All rights reserved.
Source Title: Chemical Physics Letters
ISSN: 00092614
DOI: 10.1016/j.cplett.2005.07.110
Appears in Collections:Staff Publications

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