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Self-Assembled Monolayer of Aromaticthiols on Au(111)   Waleed Al-Azzam

Self-Assembled Monolayer of Aromaticthiols on Au(111)

168 страниц. 2011 год.
LAP Lambert Academic Publishing
This book handles, presents, and discusses very important and attractive experimental data concerning the formation of highly ordered and orientated self-assembled monolayers of aromaticthiols on Au(111). These SAMs are generated from conjugated molecules that are useful for future molecular electronics application because they are considered to be electrically conductive. The resulting SAMs are characterized by means of different surface techniques such as STM, LEED, XPS, and FTIR. The results demonstrate that the packing of the biphenyl (BP) and terphenyl (TP) moieties in BPn and TPn (n=0-6) films exhibit a periodical "odd-even" variation with the length of the aliphatic part. For an odd number of CH2 group in the alkyl chain of BPn and TPn a higher density was found. In the opposite case, the biphenyl and terphenyl moieties adopt a lower density.
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