Striped domains at the pentacene:C60 interface

被引：25

作者：

Dougherty, Daniel B. ^{[1
]}

Jin, Wei ^{[2
,3
]}

Cullen, William G. ^{[3
,4
]}

Reutt-Robey, Janice E. ^{[2
,3
]}

Robey, Steven W. ^{[1
]}

机构：

[1] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA

[2] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA

[3] Univ Maryland, Mat Res Sci & Engn Ctr, College Pk, MD 20742 USA

[4] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 02期

基金：

美国国家科学基金会;

关键词：

carbon; monolayers; organic semiconductors; scanning tunnelling microscopy; semiconductor thin films; silver; SCANNING TUNNELING MICROSCOPE; SOLAR-CELLS; MONOLAYER; SURFACES; AU(111); ENERGY; DIPOLE; IMAGE;

D O I：

10.1063/1.3046721

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Scanning tunneling microscopy observations of the initial growth stages of the first layer of pentacene on a monolayer film of C-60 on Ag(111) are presented. Pentacene films nucleate and grow with molecules standing up at the pentacene:C-60 interface similar to thin film phases observed on weakly interacting substrates such as SiO2. Unlike reported thin film pentacene phases, those on 1 monolayer C-60/Ag(111) exhibit a striated morphology with domains of 4 nm nominal width. This long range pattern of periodic pentacene displacements relative to the substrate is the response to stress induced in the pentacene film by its interaction with the rigid C-60 support.

引用

页数：3

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