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|Title:||Binding mechanisms of methacrylic acid and methyl methacrylate on Si(111)-7×7 - Effect of substitution groups|
|Citation:||Huang, J.Y., Shao, Y.X., Huang, H.G., Cai, Y.H., Ning, Y.S., Tang, H.H., Liu, Q.P., Alshahateet, S.F., Sun, Y.M., Xu, G.Q. (2005-10-27). Binding mechanisms of methacrylic acid and methyl methacrylate on Si(111)-7×7 - Effect of substitution groups. Journal of Physical Chemistry B 109 (42) : 19831-19838. ScholarBank@NUS Repository.|
|Abstract:||The interaction of methacrylic acid and methyl methacrylate with Si(111)-7×7 has been investigated using high-resolution electron energy loss spectroscopy (HREELS) and X-ray photoelectron spectroscopy (XPS). While methacrylic acid chemisorbs dissociatively through O-H bond cleavage, methyl methacrylate is covalently attached to the silicon surface via a [4+2] cycloaddition. The different reaction pathways of these two compounds on Si(111)-7×7 demonstrate that the substitution groups play an important role in determining the reaction channels for multifunctional molecules, leading to the desired flexibility in the organic modification of silicon surfaces. © 2005 American Chemical Society.|
|Source Title:||Journal of Physical Chemistry B|
|Appears in Collections:||Staff Publications|
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