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|Title:||Selective attachment of 1,4-benzenedimethanethiol on the copper mediated Si(111)-(7 × 7) surface through S-Cu linkage|
|Authors:||Zhang, Y.P. |
|Citation:||Zhang, Y.P., Yong, K.S., Lai, Y.H., Xu, G.Q., Wang, X.S. (2005-07-28). Selective attachment of 1,4-benzenedimethanethiol on the copper mediated Si(111)-(7 × 7) surface through S-Cu linkage. Journal of Physical Chemistry B 109 (29) : 13843-13846. ScholarBank@NUS Repository. https://doi.org/10.1021/jp052329i|
|Abstract:||The well-defined and patterned copper clusters formed on the Si(111)-(7 × 7) surface have been employed as a template for selective binding of 1,4-benzenedimethanethiol (HS-CH 2-C 6H 4-CH 2-SH, 1,4-BDMT), to form ordered molecular nanostructures. Scanning tunneling microscopic (STM) studies showed that each 1,4-BDMT molecule preferentially binds to two neighboring copper atoms within one copper cluster through the S-Cu interaction with its molecular plane parallel to the surface, whereas some 1,4-BDMT bond to individually adsorbed copper atoms, resulting in an upright configuration. Large-scale two-dimensional molecular nanostructures can be obtained using this patterned assembly technique. Our experiments demonstrate the feasibility for controllable growth of ordered molecular nanostructures on the Si(111)-(7 × 7) surface. © 2005 American Chemical Society.|
|Source Title:||Journal of Physical Chemistry B|
|Appears in Collections:||Staff Publications|
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