Influence of Pentacene Film Thickness on Environmental Stability of Pentacene Thin-Film Transistors

被引：0

作者：

Kwon, Jin-Hyuk ^{[1
]}

Zhang, Xue ^{[2
]}

Park, Ji-Ho ^{[2
]}

Kim, Do-Kyung ^{[1
]}

Park, Jaehoon ^{[2
]}

Bae, Jin-Hyuk ^{[1
]}

机构：

[1] Kyungpook Natl Univ, Sch Elect Engn, Daegu, South Korea

[2] Hallym Univ, Dept Elect Engn, Chunchon 200702, Gangwon Do, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2015年 / 620卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

FIELD-EFFECT TRANSISTORS; INSULATOR; BEHAVIOR;

D O I：

10.1080/15421406.2015.1094611

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigated the influence of pentacene film thickness on the environmental stability of thin-film transistors (TFTs). In order to evaluate the environmental stability, the transfer and output characteristics in pentacene TFTs were measured in air and vacuum environments. The pentacene-thickness-dependent variation of transfer characteristics was shown to originate from the fixed charge at the pentacene/polymeric insulator interface induced by air molecules. In addition, an analysis of parasitic resistance suggests that air molecules degraded the contact property and increased channel conductivity. Particularly, a thick pentacene film was found to passivate the TFT channel region interrupting the penetration of air molecules. Copyright © Taylor & Francis Group, LLC.

引用

页码：10 / 20

页数：11

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