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|Title:||Dissociation and [2+2]-like cycloaddition of unsaturated chain amines on Si(111)-7×7|
|Citation:||Huang, J.Y., Tang, H.H., Shao, Y.X., Liu, Q.P., Alshahateet, S.F., Sun, Y.M., Xu, G.Q. (2007-05-10). Dissociation and [2+2]-like cycloaddition of unsaturated chain amines on Si(111)-7×7. Journal of Physical Chemistry C 111 (18) : 6732-6739. ScholarBank@NUS Repository.|
|Abstract:||The covalent attachment of N-methylallylamine (MAA) and N,N-dimethylallylamine (DMAA) on Si(111)-7×7 was investigated with high-resolution electron energy loss spectroscopy (HREELS) and X-ray photoelectron spectroscopy (XPS). Experimental results showed that MAA chemisorbs dissociatively on Si(111)-7×7 through the cleavage of its N-H bond, while DMAA is covalently bonded to the silicon surface via a [2+2]-like cycloaddition between its C=C group and the adjacent adatom-rest atom pair. This study demonstrates that the selective organic functionalization of silicon surfaces can be achieved by fine-tuning molecular structures. © 2007 American Chemical Society.|
|Source Title:||Journal of Physical Chemistry C|
|Appears in Collections:||Staff Publications|
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