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基于噁二唑的高效双极荧光发射体用于有机发光二极管。

Oxadiazole-Based Highly Efficient Bipolar Fluorescent Emitters for Organic Light-Emitting Diodes.

机构信息

Division of Bio-Nanochemistry, College of Natural Sciences, Wonkwang University Iksan City, Chonbuk 570-749, Korea.

Department of Chemistry, Hebei Normal University for Nationalities, Chengde 067000, China.

出版信息

Molecules. 2018 Apr 7;23(4):843. doi: 10.3390/molecules23040843.

DOI:10.3390/molecules23040843
PMID:29642430
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6017916/
Abstract

In this study, a series of bipolar fluorescence emitters named 2DPAc-OXD, DPAc-OXD, 2PTZ-OXD and PTZ-OXD were designed and synthesized with excellent yields. The characterization of materials was investigated by using nuclear magnetic resonance (NMR) (¹H, C), mass spectrometry and thermogravimetric analysis (TGA). To investigate device efficiencies, two different OLED devices (Device 1, Device 2) were fabricated with two different host materials (Bepp₂, DPEPO). The Device 2 with 2PTZ-OXD as fluorescent emitter exhibited excellent power and current efficiencies of 6.88 Lm/W and 10.10 cd/A, respectively. The external quantum efficiency of 2PTZ-OXD was around 3.99% for Device 2. The overall device properties of phenothiazine donor were better than acridine derivatives.

摘要

在这项研究中，设计并合成了一系列双极性荧光发射器，分别命名为 2DPAc-OXD、DPAc-OXD、2PTZ-OXD 和 PTZ-OXD，产率都很高。通过核磁共振（NMR）（¹H、C）、质谱和热重分析（TGA）对材料进行了表征。为了研究器件效率，使用两种不同的主体材料（Bepp₂、DPEPO）制备了两种不同的 OLED 器件（器件 1、器件 2）。以 2PTZ-OXD 作为荧光发射器的器件 2 表现出优异的功率和电流效率，分别为 6.88 Lm/W 和 10.10 cd/A。对于器件 2，2PTZ-OXD 的外量子效率约为 3.99%。与吖啶衍生物相比，吩噻嗪给体的整体器件性能更好。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/39dbafd6afbe/molecules-23-00843-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/3e2efe394eb0/molecules-23-00843-sch001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/d3e86d1460f7/molecules-23-00843-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/18eedd5b6b47/molecules-23-00843-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/f5a0fc3c3063/molecules-23-00843-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/6f240f1e0ce6/molecules-23-00843-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/a4836cf9a930/molecules-23-00843-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/39dbafd6afbe/molecules-23-00843-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/3e2efe394eb0/molecules-23-00843-sch001a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/d3e86d1460f7/molecules-23-00843-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/18eedd5b6b47/molecules-23-00843-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/f5a0fc3c3063/molecules-23-00843-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/6f240f1e0ce6/molecules-23-00843-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/a4836cf9a930/molecules-23-00843-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e2be/6017916/39dbafd6afbe/molecules-23-00843-g006.jpg

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