Open Access System for Information Sharing

Login Library

 

Conference
Cited 0 time in webofscience Cited 0 time in scopus
Metadata Downloads

Synthesis of Highly Twisted Pyrene Derivative for Pure Blue OLED

Title
Synthesis of Highly Twisted Pyrene Derivative for Pure Blue OLED
Authors
박지현김윤희정성준손선영Xinwei Wu박광훈안형주권순기
Date Issued
2019-10-10
Publisher
한국고분자학회
Abstract
We synthesized new fluorescent blue host material, BD4PP for pure-blue OLEDs. BD4PP has highly twisted and steric design for efficient fluorescence, and showes high thermal property of 492 oC. BD4PP host doped with 5 wt. % 4,40-bis(9-ethyl-3-carbazovinylene)-1,10-biphenyl (BCzVBi) or 5 wt. % 1,4-bis[2-(3-N ethylcarbazoryl)- vinyl]benzene (BCzVB) showed high device efficiencies based on wide bandgap (~3.1 eV) and electron-rich host. An OLED with the BD4PP:BCzVB emitter presented higher current and external quantum efficiencies (EQEs) of 4.41 cd/A and 3.80% with color coordinates (0.16, 0.13) compared to those of the BD4PP:BCzVBi (3.63 cd/A and 3.62%) with color coordinates (0.16, 0.11) and non-doped BD4PP (2.01 cd/A and 1.61%) with color coordinates (0.18, 0.13). In other words, BD4PP molecule inhibited the intermolecular interaction, resulting in color purity and high efficiency by introducing xylene units into the structure.
URI
https://oasis.postech.ac.kr/handle/2014.oak/99780
Article Type
Conference
Citation
2019년 한국고분자학회 추계 정기총회 및 학술대회, page. 362 - 362, 2019-10-10
Files in This Item:
There are no files associated with this item.

qr_code

  • mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher

정성준JUNG, SUNGJUNE
Dept of Materials Science & Enginrg
Read more

Views & Downloads

Browse