C60 self-organization at the interface between a liquid C60 solution and a Au(111) surface

被引:28
|
作者
Marchenko, A [1 ]
Cousty, J [1 ]
机构
[1] Ctr Etud Saclay, CEA, Direct Sci Mat, Serv Phys & Chim Surfaces & Interfaces, F-91191 Gif Sur Yvette, France
关键词
fullerenes; solid-liquid interfaces; self-assembly; scanning tunneling microscopy; surface structure; morphology; roughness; and topography; gold;
D O I
10.1016/S0039-6028(02)01726-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The interface between a solution of C-60 Molecules in tetradecane and a Au(1 1 1) surface has been studied by in situ scanning tunneling microscopy. For a diluted solution, C-60 islands with very mobile boundaries separated by disordered areas are found. While some two-dimension disordered C-60 clusters are observed, the large majority of islands presents a periodic hexagonal packing of C-60 molecules. This packing corresponds to either a 2root3 x 2root3 R30 arrangement with respect to Au(1 11) lattice or an in-phase overlayer. These structures agree well with the results obtained on ultra high vacuum-deposited C-60 overlayers on the same substrate [Surf. Sci. 279 (1992) 49]. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码:233 / 237
页数:5
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