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使用氯化铟锡氧化物作为阳极提高单层有机发光二极管的性能

Performance enhancement of single layer organic light-emitting diodes using chlorinated indium tin oxide as the anode.

作者信息

Wu Zhenxuan, Yang Zhenlin, Xue Kai, Fei Chunchun, Wang Fei, Yan MinNan, Zhang Hongmei, Ma Dongge, Huang Wei

机构信息

Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NUPT) Nanjing 210023 P. R. China

Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China.

出版信息

RSC Adv. 2018 Mar 21;8(20):11255-11261. doi: 10.1039/c7ra13355c. eCollection 2018 Mar 16.

DOI:10.1039/c7ra13355c
PMID:35541542
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9078989/
Abstract

Effective green single-layer organic light-emitting diodes (OLEDs) are reported with -tris(2-phenylpyridine)iridium [Ir(ppy)] as a dopant and chlorinated indium tin oxide (Cl-ITO) as a transparent anode. The work function of the chlorinated ITO is manipulated to be ∼5.3 eV from ∼4.7 eV for bared ITO. The improvement in anode workfunction allows the direct hole injection into the HOMO of the phosphorescent dopant. As a result, the green phosphorescent OLEDs with simple single layers can deliver a current efficiency (CE) and external quantum efficiency (EQE) as high as 33.48 cd A and 10.1%, respectively.

摘要

据报道，以三（2-苯基吡啶）铱[Ir(ppy)]作为掺杂剂、氯化铟锡（Cl-ITO）作为透明阳极，制备出了高效绿色单层有机发光二极管（OLED）。氯化铟锡的功函数从裸ITO的约4.7 eV调整至约5.3 eV。阳极功函数的改善使得空穴能够直接注入到磷光掺杂剂的最高占据分子轨道（HOMO）中。因此，具有简单单层结构的绿色磷光OLED能够分别实现高达33.48 cd/A的电流效率（CE）和10.1%的外量子效率（EQE）。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/8242cb544ab1/c7ra13355c-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/d19f23227216/c7ra13355c-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/281ca27f5de3/c7ra13355c-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/7961e06e3ccb/c7ra13355c-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/2b262c02cdb6/c7ra13355c-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/d86bad4d742a/c7ra13355c-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/570f3c091443/c7ra13355c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/66a0e29545d5/c7ra13355c-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/3e4cde281621/c7ra13355c-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/7fe6b9f3f850/c7ra13355c-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/8242cb544ab1/c7ra13355c-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/d19f23227216/c7ra13355c-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/281ca27f5de3/c7ra13355c-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/7961e06e3ccb/c7ra13355c-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/2b262c02cdb6/c7ra13355c-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/d86bad4d742a/c7ra13355c-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/570f3c091443/c7ra13355c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/66a0e29545d5/c7ra13355c-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/3e4cde281621/c7ra13355c-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/7fe6b9f3f850/c7ra13355c-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d727/9078989/8242cb544ab1/c7ra13355c-f10.jpg

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