Abstract
The growth of gold on top of a n-alkane monolayer, which consists of lamellar assemblies with close-packed flat-lying chains, is observed by using scanning tunneling microscopy. The n-alkane monolayer sustains gold atoms,and penetration of the atoms into the monolayer is inhibited. The molecular conformation is unaffected and the arrangement is only slightly changed upon deposition of the gold atoms. Two-dimensional clusters are grown and a smooth monolayer is finally obtained. [DOI: 10.1380/ejssnt.2015.209]
Highlights
May 2015Osamu Endo† and Hiroyuki Ozaki Department of Organic and Polymer Materials Chemistry, Faculty of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
A self-assembled monolayer (SAM) of organic molecules on a solid surface is an intriguing system for studying molecular properties and metal-organic contact, which is essential for molecule-based nano-devices
The isotropic cluster shape makes a striking contrast with the growth of palladium on the Au(111) surface covered with the n-alkane monolayer, which shows a nano-rod aligned along the alkyl chain with its length regulated by the lamellar boundaries [12]
Summary
Osamu Endo† and Hiroyuki Ozaki Department of Organic and Polymer Materials Chemistry, Faculty of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan. Masashi Nakamura Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Chiba University, Inage-ku, Chiba 263-8522, Japan. Kenta Amemiya KEK-PF, Tsukuba, Ibaraki 305-0801, Japan (Received 6 January 2015; Accepted 16 April 2015; Published 2 May 2015). The growth of gold on top of a n-alkane monolayer, which consists of lamellar assemblies with close-packed flat-lying chains, is observed by using scanning tunneling microscopy. The n-alkane monolayer sustains gold atoms, and penetration of the atoms into the monolayer is inhibited. The molecular conformation is unaffected and the arrangement is only slightly changed upon deposition of the gold atoms. Two-dimensional clusters are grown and a smooth monolayer is obtained.
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