Role of molecular conformations in rubrene thin film growth -: art. no. 166602

被引：145

作者：

Käfer, D ^{[1
]}

Ruppel, L ^{[1
]}

Witte, G ^{[1
]}

Wöll, C ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Lehrstuhl Phys Chem 1, D-44780 Bochum, Germany

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.95.166602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A systematic analysis of the growth of rubrene (C42H28), an organic molecule that currently attracts considerable attention with regard to its application in molecular electronics, is carried out by using x-ray absorption spectroscopy and thermal desorption spectroscopy. The results allow us to unravel a fundamental mechanism that effectively limits organic epitaxy for a large class of organic molecules. If the structure of the free molecule differs substantially from that of the corresponding molecular structure in the bulk, the crystallization is severely hampered.

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