Coexistence of ketenimine species and tetra-σ adduct at acetyl cyanide/Si(1 0 0)-2 × 1

Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cplett.2005.06.008

Title:	Coexistence of ketenimine species and tetra-σ adduct at acetyl cyanide/Si(1 0 0)-2 × 1
Authors:	Huang, J.Y. Huang, H.G. Ning, Y.S. Liu, Q.P. Alshahateet, S.F. Sun, Y.M. Xu, G.Q.
Issue Date:	5-Aug-2005
Citation:	Huang, J.Y., Huang, H.G., Ning, Y.S., Liu, Q.P., Alshahateet, S.F., Sun, Y.M., Xu, G.Q. (2005-08-05). Coexistence of ketenimine species and tetra-σ adduct at acetyl cyanide/Si(1 0 0)-2 × 1. Chemical Physics Letters 411 (1-3) : 75-80. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cplett.2005.06.008
Abstract:	The covalent binding of acetyl cyanide on Si(1 0 0)-2 × 1 has been investigated using high-resolution electron energy loss spectroscopy, X-ray photoelectron spectroscopy (XPS) and density functional theory (DFT) calculations. The absence of the C=O and C≡N stretching modes in the EELS spectra for chemisorbed molecules indicates the direct interactions between carbonyl, cyano groups and the dangling bonds on Si(1 0 0)-2 × 1. The characteristic C=C=N asymmetric stretching mode at 2031 cm-1 and C=N stretching mode at 1667 cm-1 suggest the existence of both ketenimine species and tetra-σ adduct at the interface, further supported by XPS results and DFT calculations. © 2005 Elsevier B.V. All rights reserved.
Source Title:	Chemical Physics Letters
URI:	http://scholarbank.nus.edu.sg/handle/10635/93323
ISSN:	00092614
DOI:	10.1016/j.cplett.2005.06.008
Appears in Collections:	Staff Publications

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