Nanoconfinement effects in the self-assembly of diindenoperylene (DIP) on Cu(111) surfaces

被引：24

作者：

de Oteyza, Dimas G. ^{[1
,2
,3
]}

Barrena, Esther ^{[3
,4
]}

Dosch, Helmut ^{[3
,4
]}

Wakayama, Yutaka ^{[2
]}

机构：

[1] Donostia Int Phys Ctr, San Sebastian 20018, Spain

[2] Natl Inst Mat Sci, Adv Elect Mat Ctr, Tsukuba, Ibaraki 3050044, Japan

[3] Max Planck Inst Met Res, D-70569 Stuttgart, Germany

[4] Univ Stuttgart, Inst Theoret & Angew Phys, D-70550 Stuttgart, Germany

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2009年 / 11卷 / 39期

关键词：

SCANNING-TUNNELING-MICROSCOPY; MOLECULAR QUASI-CRYSTAL; SUPRAMOLECULAR ASSEMBLIES; AU(111) SURFACE; MONOLAYERS; GROWTH; PHTHALOCYANINE; ARCHITECTURES; ORIENTATION; INTERFACE;

D O I：

10.1039/b903116b

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 structure of monolayer films of diindenoperylene (DIP) on Cu(111) single crystals has been studied by means of scanning tunneling microscopy (STM). Pronounced film confinement effects are observed, resulting in distinctly different film structures depending upon the substrate terrace width. On wide terraces (exceeding similar to 15 nm in width) a short range ordered structure forms with the DIP molecules aligned along three discrete directions related by 60 degrees rotations. On the contrary, on narrow terraces (<15 nm), the confinement enhances the role of the step edges and leads to the formation of a long range ordered structure with co-directionally oriented molecules, tentatively ascribed to an energy minimization by optimization of the surface coverage.

引用

页码：8741 / 8744

页数：4

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