基于优化侧基的蒽绿色荧光衍生物的合成及电致发光性能

Synthesis and Electroluminescence Property of Anthracene Green Fluorescent Derivatives Based on Optimized Side Groups.

作者信息

Park Sangshin, Kwon Hyukmin, Kang Seokwoo, Park Sunwoo, Jung Hyocheol, Lee Seungeun, Park Jongwook

机构信息

Department of Chemical Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do, 17104, Republic of Korea.

Department of Polymer Science and Engineering, Korea National University of Transportation, 50 Daehak-ro, Chungju-si, Chungbuk 27909, Republic of Korea.

出版信息

J Nanosci Nanotechnol. 2021 Jul 1;21(7):4037-4041. doi: 10.1166/jnn.2021.19237.

DOI:10.1166/jnn.2021.19237

PMID:33715740

Abstract

Molecular size of OLED emitting materials is nano-metric size and when it is applied to the electric field it emits the light based on the energy conversion result. As new green fluorescent emitters, N,N,N',N'-Tetra--tolyl-anthracene-9,10-diamine (-Me-TAD) and -Tetra--tolyl-anthracene-9,10-diamine (-Me-TAD) were synthesized and the properties were evaluated. In solution state, photoluminescence (PL) maximum wavelength is 517 nm for -Me-TAD and 529 nm for -Me-TAD. In electroluminescence (EL) spectra, EL maximum wavelength of -Me-TAD is 518 nm and -Me-TAD is 533 nm. The doped device using -Me-TAD as green fluorescent dopant exhibited current efficiency (CE) of 17.41 cd/A and external quantum efficiency (EQE) of 7.41%. The doped device with -Me-TAD was optimized in order to achieve a green OLED with high efficiency.

摘要

有机发光二极管（OLED）发光材料的分子尺寸为纳米级，当施加电场时，它会根据能量转换结果发光。作为新型绿色荧光发射体，合成了N,N,N',N'-四-对甲苯基-蒽-9,10-二胺（-Me-TAD）和-四-对甲苯基-蒽-9,10-二胺（-Me-TAD）并对其性能进行了评估。在溶液状态下，-Me-TAD的光致发光（PL）最大波长为517nm，-Me-TAD为529nm。在电致发光（EL）光谱中，-Me-TAD的EL最大波长为518nm，-Me-TAD为533nm。使用-Me-TAD作为绿色荧光掺杂剂的掺杂器件表现出17.41cd/A的电流效率（CE）和7.41%的外量子效率（EQE）。对含有-Me-TAD的掺杂器件进行了优化，以实现高效绿色OLED。