Please use this identifier to cite or link to this item: https://doi.org/10.1021/la051559l
Title: A [4+2]-like cycloaddition of methyl methacrylate on Si(100)-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: 6-Dec-2005
Citation: Huang, J.Y., Huang, H.G., Ning, Y.S., Liu, Q.P., Alshahateet, S.F., Sun, Y.M., Xu, G.Q. (2005-12-06). A [4+2]-like cycloaddition of methyl methacrylate on Si(100)-2×1. Langmuir 21 (25) : 11722-11728. ScholarBank@NUS Repository. https://doi.org/10.1021/la051559l
Abstract: The attachment of methyl methacrylate (MMA) on Si(100)-2×1 was investigated using high-resolution electron energy loss spectroscopy (HREELS), X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), and density functional theory (DFT) calculations. The HREELS spectra of chemisorbed MMA show the disappearance of characteristic vibrations of C=O (1725 cm-1) and C(sp2)-H (3110, 1400, and 962 cm-1) coupled with the blue shift of the C=C stretching mode by 34 cm-1 compared to those of physisorbed molecules. These results clearly demonstrate that both C=C and C=O in MMA directly participate in the interaction with the surface to form a SiCH2C(CH3)=C(OCH3)OSi species via a [4+2]-like cycloaddition. This binding configuration was further supported by XPS, UPS, and DFT studies. © 2005 American Chemical Society.
Source Title: Langmuir
URI: http://scholarbank.nus.edu.sg/handle/10635/92922
ISSN: 07437463
DOI: 10.1021/la051559l
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