ITO/Rubrene表面及界面的AFM和XPS研究

王金顺; 李海蓉; 彭应全; 向东旭

doi:10.3788/fgxb20143502.0207

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ITO/Rubrene表面及界面的AFM和XPS研究

器件制备及器件物理 | 更新时间：2020-08-12

- ITO/Rubrene表面及界面的AFM和XPS研究
- Surface and Interface Analysis of ITO/Rubrene Using AFM and XPS
- 发光学报 2014年35卷第2期页码：207-212
- 作者机构：
  
  1. 兰州大学物理科学与技术学院微电子研究所,甘肃兰州,730001
  2. 兰州大学物理科学与技术学院磁学重点实验室,甘肃兰州,730001
- 作者简介：
- 基金信息：
  
  兰州市科技计划（2010-1-1）();兰州市城关区科技计划（2011-5-2）();信息功能材料国家重点实验室开放课题（12-668）资助项目()
- DOI：10.3788/fgxb20143502.0207
  中图分类号： TN304;TN383+.1
- 收稿日期：2013-10-23，
  
  修回日期：2013-11-26，
  
  纸质出版日期：2014-02-03
- 稿件说明：
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王金顺, 李海蓉, 彭应全等. ITO/Rubrene表面及界面的AFM和XPS研究[J]. 发光学报, 2014,35(2): 207-212

WANG Jin-shun, LI Hai-rong, PENG Ying-quan etc. Surface and Interface Analysis of ITO/Rubrene Using AFM and XPS[J]. Chinese Journal of Luminescence, 2014,35(2): 207-212
王金顺, 李海蓉, 彭应全等. ITO/Rubrene表面及界面的AFM和XPS研究[J]. 发光学报, 2014,35(2): 207-212 DOI： 10.3788/fgxb20143502.0207.

WANG Jin-shun, LI Hai-rong, PENG Ying-quan etc. Surface and Interface Analysis of ITO/Rubrene Using AFM and XPS[J]. Chinese Journal of Luminescence, 2014,35(2): 207-212 DOI： 10.3788/fgxb20143502.0207.

摘要

采用原子力显微镜（AFM）和X射线光电子能谱仪（XPS）研究了氧化铟锡（ITO）/红荧烯（Rubrene）的形貌和表面、界面的电子态。AFM结果显示，ITO上的Rubrene膜有良好的均匀性。XPS结果表明:C1s谱有3个峰，位于282.50，284.70，289.30 eV，对应于CSi、C O和CC键。用氩离子束溅射表面，芳香碳对应的峰值逐渐增大，其他两个峰值迅速消失。随着表面O污染的去除，O1s峰先快速减弱然后逐渐增强。界面附近的O原子与C原子结合构成O C、COC和醛基。In3d和Sn3d峰则缓慢增强，在界面附近峰值变得稳定。C1s、In3d、Sn3d谱峰都向低束缚能发生化学位移，表明ITO与Rubrene在界面发生了相互作用，形成一个互扩散层。

Abstract

The surface morphology and the interface electronic states of Indium-tin-oxide (ITO)/Rubrene were investigated by atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). The AFM results manifest that the Rubrene film deposited on ITO is very uniformity. The XPS results show that there are three main peaks in the C1s spectrum of the origin surface

which located at 282.50

284.70

289.30 eV

respectively. They are associated with CSi

C O

CC bonds. With the increasing of sputtering time

the peak corresponding to the aromatic C becomes intensely while the other peaks disappear rapidly. As the removing of the oxygen contamination on the surface

the O1s peak weakens firstly and then strengthens gradually. The O atoms mainly bond to C

and form O C

COC and aldehyde group in the interface. The peaks of In3d and Sn3d strengthen slowly

and become stable near the interface of ITO/Rubrene. The peak of C1s

In3d and Sn3d moves toward lower binding energy

indicating an inter-diffusion system formed by the interaction of Rubrene film and ITO in the interface.

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references

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