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AA*太陽(yáng)光模擬器

 更新時(shí)間:2020-09-15 點(diǎn)擊量:1874

High performance from extraordinarily thick organic light-emitting diodes

                                                                                     ——來(lái)自超厚的有機(jī)發(fā)光二極管的高性能

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有機(jī)太陽(yáng)能電池和OLED設(shè)計(jì)模擬軟件系統(tǒng)進(jìn)行計(jì)算在太陽(yáng)能電池和OLED中通過(guò)漂移擴(kuò)散進(jìn)行的電荷傳輸,Setfos于設(shè)計(jì)和模擬OLED和PV器件結(jié)構(gòu),從而給用戶以直觀的圖形界面。

 

主要特點(diǎn):模塊:光發(fā)射,吸收,電荷傳輸和散射

                     直觀的圖形用戶界面

                     高速計(jì)算

 

測(cè)試功能:1.OLED模擬

                      SETFOS模擬OLED器件從電荷注入到光提取,軟件可以輕松分析和改進(jìn)您的OLED器件

                模擬電荷傳輸和漂移擴(kuò)散的重組

                分析光發(fā)射譜和波導(dǎo)模式貢獻(xiàn)

                設(shè)計(jì)出耦合層以提高效率和顏色穩(wěn)定性

                設(shè)計(jì)散射層以增強(qiáng)光耦合

                先進(jìn)的器件物理學(xué):淬火,激子,陷阱,摻雜,交流和瞬態(tài)響應(yīng)......

                     2.太陽(yáng)能電池模擬

                使用Setfos輕松計(jì)算短路電流,開路電壓Voc和填充系數(shù)

                調(diào)整每層的厚度并添加光散射層以增強(qiáng)吸收

                針對(duì)AM1.5或特定波段進(jìn)行優(yōu)化

                電氣IV曲線

                曲線擬合和參數(shù)提取

                AC仿真和瞬態(tài)實(shí)驗(yàn),如photo-CELIV,TRV,TPC,C-V,C-F,IS,IMPS,IMVS等

                先進(jìn)的器件物理學(xué):SRH復(fù)合,激子,......

                設(shè)計(jì)防反射涂層或透明CELL.

 

應(yīng)用領(lǐng)域:無(wú)機(jī)半導(dǎo)體材料,有機(jī)半導(dǎo)體材料OLED等;

                有機(jī)太陽(yáng)能電池OPV;DSSC,鈣鈦礦太陽(yáng)能電池Perovskite Solar Cell等

                設(shè)計(jì)和模擬OLED和PV器件結(jié)構(gòu)

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