NO-Induced Reorganization of Porphyrin Arrays

被引：45

作者：

Buchner, Florian ^{[1
,2
]}

Seufert, Knud ^{[3
]}

Auwaerter, Willi ^{[3
]}

Heim, Daniel ^{[3
]}

Barth, Johannes V. ^{[3
]}

Flechtner, Ken ^{[1
,2
]}

Gottfried, J. Michael ^{[1
,2
]}

Steinrueck, Hans-Peter ^{[1
,2
]}

Marbach, Hubertus ^{[1
,2
]}

机构：

[1] Univ Erlangen Nurnberg, Lehrstuhl Phys Chem 2, D-91058 Erlangen, Germany

[2] Univ Erlangen Nurnberg, ICMM, D-91058 Erlangen, Germany

[3] Tech Univ Munich, Phys Dept E20, D-85748 Garching, Germany

来源：

ACS NANO | 2009年 / 3卷 / 07期

关键词：

porphyrinoids; scanning probe microscopy; self-assembly; surface chemistry; coadsorption; nitrogen monoxide; SCANNING-TUNNELING-MICROSCOPY; PHOTOELECTRON-SPECTROSCOPY; AG(111) SURFACE; CARBON-MONOXIDE; MOLECULES; BENZENE; PHTHALOCYANINE; NANOSTRUCTURES; COADSORPTION; ADSORPTION;

D O I：

10.1021/nn900399u

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We studied the interaction of a highly ordered array of Co-tetraphenylporphyrin (CoTPP) with NO on Ag(111) by in situ scanning tunneling microscopy and X-ray photoelectron spectroscopy. Upon NO exposure, the initially quadratically ordered CoTPP layer reorganizes, showing a wealth of highly ordered NO+CoTPP coadsorbate phases with increasing size of the unit cell, interpreted as due to attractive lateral dipole-dipole interactions between the two species. The findings not only suggest a novel approach to control the arrangement of adsorbed porphyrins in particular but also should generally be considered in the production of functional layers from large organic molecules under ambient conditions or after exposure to small electronegative molecules.

引用

页码：1789 / 1794

页数：6

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