Growth mode and molecular orientation of phthalocyanine molecules on metal single crystal substrates: A NEXAFS and XPS study

被引：76

作者：

Kera, S

Casu, MB

Bauchspiess, KR

Batchelor, D

Schmidt, T

Umbach, E

机构：

[1] Univ Wurzburg, D-97074 Wurzburg, Germany

[2] Inst Mol Sci, Okazaki, Aichi 4448585, Japan

来源：

SURFACE SCIENCE | 2006年 / 600卷 / 05期

基金：

日本学术振兴会;

关键词：

X-ray absorption; X-ray photoelectron spectroscopy; phthalocyanine; morphology; molecular orientation;

D O I：

10.1016/j.susc.2005.12.042

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：

We report on near-edge X-ray absorption and X-ray photoemission experiments for the large pi-conjugated organic molecule metal-free phthalocyanine (H2Pc) on two different single crystal surfaces. Results from H2Pc deposited on Ag(1 1 1) at 300 K show a clear linear dichroism indicating that the film grows as islands with the molecules lying essentially flat. On a Ni3Al(1 1 1) and a cooled Ag(1 1 1) substrate, however, the molecules form a homogeneous film and have an average tilt angle of 45-60 degrees. The different film structure is the result of a different molecule-substrate interaction. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1077 / 1084

页数：8

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SCHMIDT T, IN PRESS CHEM PHYS

[42] Line shapes and satellites in high-resolution x-ray photoelectron spectra of large π-conjugated organic molecules [J].