Solvation induced morphological effects on the polymer/metal contacts

Jie Liu, Tzung Fang Guo, Yijian Shi, Yang Yang

研究成果: Article同行評審

45 引文 斯高帕斯(Scopus)

摘要

Polymer/metal interfaces play an important role in determining the performance of polymer based electronic devices. For most polymer diodes, one of the polymer/metal contacts is usually formed by spin casting a polymer solution onto a metal electrode; we call it polymer-on-metal (POM) contact. The other polymer/metal contact is usually formed by vacuum deposition of metal vapor onto the polymer surface; we call it metal-on-polymer (MOP) contact. In this article, we present evidence that the formation of the POM contact is strongly influenced by the processing of polymer thin films. The POM contact has a greater energy barrier for carrier injection than the MOP contact. The morphology of the polymer thin films, i.e., the relative arrangements of the side groups and conjugated backbone, significantly affects the interfacial characteristics. We also present a simple method of evaluating the morphological effects at the contact.

原文English
頁(從 - 到)3668-3673
頁數6
期刊Journal of Applied Physics
89
發行號7
DOIs
出版狀態Published - 2001 四月 1

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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