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AA*太阳光模拟器
更新时间:2020-09-15      阅读:1858

High performance from extraordinarily thick organic light-emitting diodes

                                                                                     ——来自超厚的有机发光二极管的高性能

Toshinori Matsushima, Fatima Bencheikh, Takeshi Komino, Matthew R. Leyden, Atula S. D. Sandanayaka, Chuanjiang Qin and Chihaya Adachi

Nature 572, 502 (2019)

SetfosOLEDperovskiteg8emission

 

Abstract

Organic light-emitting diode (OLED) technology is promising for applications in next-generation displays and lighting. However, it is difficult especially in large-area mass production to cover a large substrate uniformly with organic layers, and variations in thickness cause the formation of shunting paths between electrodes1,2, thereby lowering device production yield. To overcome this issue, thicker organic transport layers are desirable because they can cover particles and residue on substrates, but increasing their thickness increases the driving voltage because of the intrinsically low charge-carrier mobilities of organics. Chemical doping of organic layers increases their electrical conductivity and enables fabrication of thicker OLEDs3,4, but additional absorption bands originating from charge transfer appear5, reducing electroluminescence efficiency because of light absorption. Thick OLEDs made with organic single crystals have been demonstrated6, but are not practical for mass production. Therefore, an alternative method of fabricating thicker OLEDs is needed. Here we show that extraordinarily thick OLEDs can be fabricated by using the organic inorganic perovskite methylammonium lead chloride, CH3NH3PbCl3 (MAPbCl3), instead of organics as the transport layers. Because MAPbCl3 films have high carrier mobilities and are transparent to visible light, we were able to increase the total thickness of MAPbCl3 transport layers to 2,000 nanometres more than ten times the thickness of standard OLEDs without requiring high voltage or reducing either internal electroluminescence quantum efficiency or operational durability. These findings will contribute towards a higher production yield of high-quality OLEDs, which may be used for other organic devices, such as lasers, solar cells, memory devices and sensors.

 

 

本篇文章采用Setfos有机太阳能电池和OLED设计模拟软件系统进行计算在太阳能电池和OLED中通过漂移扩散进行的电荷传输,Setfos于设计和模拟OLED和PV器件结构,从而给用户以直观的图形界面。

 

主要特点:模块:光发射,吸收,电荷传输和散射

                     直观的图形用户界面

                     高速计算

 

测试功能:1.OLED模拟

                      SETFOS模拟OLED器件从电荷注入到光提取,软件可以轻松分析和改进您的OLED器件

                模拟电荷传输和漂移扩散的重组

                分析光发射谱和波导模式贡献

                设计出耦合层以提高效率和颜色稳定性

                设计散射层以增强光耦合

                先进的器件物理学:淬火,激子,陷阱,掺杂,交流和瞬态响应......

                     2.太阳能电池模拟

                使用Setfos轻松计算短路电流,开路电压Voc和填充系数

                调整每层的厚度并添加光散射层以增强吸收

                针对AM1.5或特定波段进行优化

                电气IV曲线

                曲线拟合和参数提取

                AC仿真和瞬态实验,如photo-CELIV,TRV,TPC,C-V,C-F,IS,IMPS,IMVS等

                先进的器件物理学:SRH复合,激子,......

                设计防反射涂层或透明CELL.

 

应用领域:无机半导体材料,有机半导体材料OLED等;

                有机太阳能电池OPV;DSSC,钙钛矿太阳能电池Perovskite Solar Cell等

                设计和模拟OLED和PV器件结构

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