Synthesis and Characteristics of Organic Light-emitting Materials Based on Fluorene and Carbazole
Date Issued
2005
Date
2005
Author(s)
Chen, You-Ming
DOI
zh-TW
Abstract
Herein, we report a series of novel electrophosphorecent host materials which hybridize the structure characteristics of carbazole and fluorene. Combining the properties such as high ambipolar charge carrier mobility of fluorene, and the low carrier injection barrier of carbazole can be reasonably anticipated to afford novel host materials. Through the deliberate molecular design, we can combine both characteristics of carbazole and fluorene independently. In this section, highly efficient and stable green and red eletrophosphorecent devices have been achieved using the compound DFCO as a host material.
In the second section, polyfluorenes were synthesized via palladium- catalyzed Suzuki coupling reaction. The introduction of alkoxyphenyl group on the 9-position of fluorene were not only avoid “keto defect” but also provide the solubility of the polymer. The weight average molar mass of PF1 can reach to 90000 and it could be a potential candidate for a pure blue light emitting polymer in PLED devices. PF2 with UV range emission could be a potential UV light emitter in OLED devices.
Subjects
有機發光材料
芴
咔
唑
Organic Light-emitting Materials
OLED
fluorene
carbazole
polymer
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-94-R92223043-1.pdf
Size
23.31 KB
Format
Adobe PDF
Checksum
(MD5):95abb399b4719d8e3356042ea21071e2