Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp052329i
Title: Selective attachment of 1,4-benzenedimethanethiol on the copper mediated Si(111)-(7 × 7) surface through S-Cu linkage
Authors: Zhang, Y.P. 
Yong, K.S.
Lai, Y.H. 
Xu, G.Q. 
Wang, X.S. 
Issue Date: 28-Jul-2005
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
URI: http://scholarbank.nus.edu.sg/handle/10635/94760
ISSN: 15206106
DOI: 10.1021/jp052329i
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