Abstract
In this paper, we examine the effects of the properties for hole transport materials (HTM's) on the performance of organic light-emitting diodes (OLED's). The ionization potentials (I/sub p/) of the HTM's could be estimated by the Hammett constant of the substituent. We have synthesized a series of HTM's with various I/sub p/'s, which are called FTPD's. The FTFD's have high glass transition temperature above 80/spl deg/C, because of their fluorene structure. We fabricated double-layer OLED's with the FTPD's. The I/sub p/'s of the FTPD's affected the driving voltage, although they did not affect the quantum efficiency.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
