Search research articles

关于 JoVE

概览领导团队博客 JoVE 帮助中心

作者

出版流程编辑委员会范围与政策同行评审常见问题投稿

图书馆员

用户评价订阅访问资源图书馆顾问委员会常见问题

研究

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments 存档

教育

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual 教师资源中心教师网站

使用条款与条件

Search research articles

相关实验视频

Updated: Jun 4, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

纯Mg阴极用于高效的单层有机发光二极管.

Shou-Jie He¹, Li-Fan Guan¹, Deng-Ke Wang¹

¹Center for Optoelectronics Engineering Research, School of Physics and Astronomy, Yunnan University, Kunming 650500, China.

ACS applied materials & interfaces

|December 31, 2024

概括

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序

Same author

Resonant Cavity-Enhanced Intermolecular Charge-Transfer Absorption for Near-Infrared Photon Upconversion and Single-Detector Imaging.

Advanced materials (Deerfield Beach, Fla.)·2026

Same author

Dynamic pendulum strategy enables both anti-quenching and fast spin flipping for efficient blue multiple-resonance thermally activated delayed fluorescence emitters.

Chemical science·2026

Same author

Electrochemical contact modification with MoO<sub>3</sub>: a strategy to enhance performance of p-type organic thin-film transistors.

Chemical communications (Cambridge, England)·2026

Same author

Revelation of Core-Surface p-n Junction Structures for PbS Quantum Dots.

The journal of physical chemistry letters·2026

Same author

Triptolide derivative STP1 ameliorates murine systemic lupus erythematosus via targeting Fyn kinase.

Acta pharmacologica Sinica·2026

Same author

Chemo- and diastereoselective synthesis of spiro-iminoindoline-pyrazolines as potential antioxidant reagents.

Organic & biomolecular chemistry·2026

高效的单层有机发光二极管 (OLED) 使用具有银核位的新型阴极实现了创纪录的外部量子效率 (EQE). 补充剂,而不是平衡的主体,是控制重组和提高OLED性能的关键.

科学领域:

材料科学材料科学材料科学
有机电子有机电子
设备物理设备物理

背景情况:

单层有机发光二极管 (OLED) 提供了简化制造,但往往面临效率限制.
在单层OLED中实现高外部量子效率 (EQE) 需要精确控制电荷重组.
之前的研究重点是双极宿主材料,用于平衡的电荷传输.

研究的目的:

开发高效的单层OLED,使用一种新的阴极.
调查剂和阴极工程在提高OLED性能方面的作用.
了解单层OLED中的电荷传输机制和重组区动态.

主要方法:

单层OLED的制造使用纯 (Mg) 阴极与银 (Ag) 核位点播种.
设备特征,包括测量各种兴奋剂配置的外部量子效率 (EQE).
使用单载体设备研究电荷传输特性,以分析孔和电子流动性以及捕获效应.

主要成果:

色单层OLED的记录EQE值:22.8% (三区域兴奋剂),21.7% (两个区域兴奋剂) 和11.2% (一个区域兴奋剂).
通过加入一个codopant来平衡充电陷,提高了一个区域杂装置的EQE到18.2%.
单载体装置分析显示,平衡的双极宿主并不必不可少;补充剂通过电荷捕获显著影响重组区位置.

关键词:

阴极 Mg 阴极 Mg 阴极充电陷效应是一种充电陷效应.电子注入的电子注入.有机发光二极管有机发光二极管一个单层的单层.

更多相关视频

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

相关实验视频

Last Updated: Jun 4, 2025

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

结论:

具有Ag核化位点的纯Mg阴极可以实现高效的单层OLED.
补充剂在确定重组区和实现高EQE方面发挥着关键作用,取代了对完美平衡宿主材料的需求.
这项工作为优化单层OLED提供了新的见解,以提高效率和简化设备架构.