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|Title:||Formation of molecular templates containing cumulative double bonds (C=C=C) at organic/silicon hybrid interfaces|
|Source:||Huang, H.G., Huang, J.Y., Zhang, Y.P., Ning, Y.S., Yong, K.S., Xu, G.Q. (2005-03-24). Formation of molecular templates containing cumulative double bonds (C=C=C) at organic/silicon hybrid interfaces. Journal of Physical Chemistry B 109 (11) : 4999-5004. ScholarBank@NUS Repository. https://doi.org/10.1021/jp046347w|
|Abstract:||The cumulative double bond (C=C=C), an important intermediate in synthetic organic chemistry, was successfully prepared via the selective attachment of acetylethyne to Si(111)-7 × 7. The experimental observation of the characteristic vibrational modes and electronic structures of the C=C=C group in the surface species demonstrates the [4 + 2]-like cycloaddition occurring between the terminal O and C atoms of acetylethyne and the neighboring Si adatom-rest atom pair, consistent with the prediction of density functional theory calculations. Scanning tunneling microscopy images further reveal that the molecules selectively bind to the adjacent adatom - rest atom pairs on Si(111)-7 × 7. © 2005 American Chemical Society.|
|Source Title:||Journal of Physical Chemistry B|
|Appears in Collections:||Staff Publications|
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