有机半导体异质结及其在有机发光二极管中的应用研究

项目名称： 有机半导体异质结及其在有机发光二极管中的应用研究

项目编号： No.51333007

项目类型： 重点项目

立项/批准年度： 2014

项目学科： 一般工业技术

项目作者： 马东阁

作者单位： 华南理工大学

项目金额： 300万元

中文摘要： 有机发光二极管(OLED)是新一代显示和照明技术，在低电压下高亮度、高效率和长寿命工作是OLED实际应用的基本要求。本项目将从有机半导体异质结的构筑和电荷产生与注入机理研究入手，开展有机半导体异质结及其在OLED的应用研究。其目的在于用有机半导体异质结构筑出高效率、长寿命OLED器件，从设计概念上实现OLED结构和性能上的突破。通过有机半导体异质结的结构设计，很好地解决有机半导体异质结作为电荷产生和注入层在器件中电荷的产生与注入问题，实现电子和空穴的有效注入，使制备的OLED器件具有高效率和长寿命的特点，满足实际应用需要。通过对有机半导体异质结工作机制的研究，确定器件性能与构筑有机半导体异质结的材料体系的迁移率和能级结构的关系，建立有机半导体异质结理论，为实现高性能OLED提供全新的设计概念和理论方法。

中文关键词： 有机半导体;异质结;有机发光二极管;;

英文摘要： Organic light-emitting diodes (OLEDs) are a new generation of display and lighting technology. The high brightness, high efficiency and long lifetime of OLEDs at low driving voltage are the basic requirement of practical application. This project will develop the studies on organic semiconductor heterojunction and its application in OLEDs by starting with the the construct of organic semiconductor heterojunction and the mechanism of charge generation and injection in heterojunction. This aim is to fabricate high efficiency and long lifetime OLEDs based on organic semiconductor heterojunction, and makes a breakthrough on structure and performance by design concept. The problems of the charge generation and injection in devices based on organic semiconductor heterojunction as charge generation and inejction layers will well be resolved by the structure design of organic semiconductor heterojunction. As results, the fabricated OLEDs will show high efficiency and ling lifetime by the realization of the effective injection of electrons and holes. The relationship of device performances with the mobility and energy level structure of materials constructed organic semiconductor heterojunction will be determined and the theory of organic semiconductor heterojunction will be founded by the study of the mechanism of organic semiconductor heterojunction. Our research will give full new design concept and theoretical method for the realization of high performance OLEDs.

英文关键词： Organic semiconductor;heterojunction;organic light-emitting diodes