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Development of Neo-Technology for Fabrication of Him Display Based on Organic light-Emitting Diodes

基于有机发光二极管的HIM显示器制造新技术的发展

基本信息

批准号：
15360165
负责人：
MORI Tatsuo
金额：
$ 9.79万
依托单位：
Nagoya University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2004
项目状态：
已结题

项目摘要

We investigated the fabrication of transparent electrode using PEDOT material instead of ITO and inorganic electrode instead of cathode metal, and their application to organic light-emitting diode(OLED). The addition of some additives led to the increase in electrical conduction of PEDOT material. However, the increase in the electrical conduction is thought to be caused by the molecular aggregation and/or morphology of conducting polymer molecules. We intend to stick at the estimation of detailed film morphology.By mean of an atmosphere ultraviolet photoelectron analysis device (AC-2;Riken Keiki Co.Ltd), the change in ionization potential of the surface state of PEDOT material was observed accompanied by the different fabrication method and annealing. Especially, since the ionization potential of PEDOT material increased with proceeding oxidation, the surface oxidation improved the energy matching between ITO and hole transport material. The change in ionization potential is easily found to be due to the change of composition by AC-2. We reconfirmed the availability of AC-2.We found the ionization potential of organic material can be controlled by various surface treatment. To achieve highly efficient carrier injection, we showed the energy matching for optimal charge transfer between electrode and organic material can be realized by easy-to-use surface treatment.We tried to apply GaN and carbon nanotubu to cathode instead of metal. However, it is difficult to fabricate organic thin film on the electrodes. We have not succeed the fabrication of OLED yet.

研究了用PEDOT材料代替ITO和无机电极代替阴极金属制备透明电极，并将其应用于有机电致发光二极管（OLED）。一些添加剂的加入导致PEDOT材料的导电性增加。然而，电导率的增加被认为是由导电聚合物分子的分子聚集和/或形态引起的。通过大气紫外光电子分析装置（AC-2;Riken Keiki Co.Ltd），观察到PEDOT材料的表面态的电离电势随着不同的制造方法和退火而变化。特别是，由于PEDOT材料的电离势随着氧化的进行而增加，表面氧化改善了ITO与空穴传输材料之间的能量匹配。电离势的变化很容易被发现是由于AC-2的组成变化。我们再次证实了AC-2的可用性。我们发现有机材料的电离电位可以通过各种表面处理来控制。为了实现高效的载流子注入，我们展示了通过简单的表面处理可以实现电极和有机材料之间最佳电荷转移的能量匹配。我们尝试将GaN和碳纳米管应用于阴极而不是金属。然而，在电极上制备有机薄膜是困难的。我们还没有成功地制造OLED。

项目成果

期刊论文数量（32）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Study on film structure dependence of electrical conduction for PE DOT : PSS films

PE DOT : PSS 薄膜的导电薄膜结构依赖性研究

DOI：
发表时间：
2004
期刊：
Abstract of 2004 Int.Symp.On Organic and Inorganic Electronic Materials and Related Nanotechnologies
影响因子：
0
作者：
K.Yamada;T.Mori;T.Mizutani
通讯作者：
T.Mizutani

Y.Iwama, D.C-Cho, T.Mori, T.Mizutani: "Electroluminescence Properties of organic Light-Emitting Diodes using ITO with Different Surface Treatments"Proc.of The 7th Int.Conf.on Properties and Applications of Dielectric Materials, Nagoya, Japan. 2. 718-721 (

Y.Iwama、D.C-Cho、T.Mori、T.Mizutani：“使用具有不同表面处理的 ITO 的有机发光二极管的电致发光特性”Proc.of the 7th Int.Conf.on Properties and Applications of Dielectric Materials，名古屋

DOI：
发表时间：
期刊：
影响因子：
0
作者：
通讯作者：

Y.Iwama, T.Mori, T.Mizutani: "EL properties of organic light-emitting diode on different ITO and surface treatment"Proc.of 4^<th> Int.Conf.on Electroluminescence of Molecular Materials and Related Phenomena. P-70 (2003)

Y.Iwama、T.Mori、T.Mizutani：“有机发光二极管在不同ITO和表面处理上的EL特性”Proc.of 4^<th>Int.Conf.on Electroluminescent of Mole Materials and Based on Molecular Materials and Related Phenomena。