Symmetric “Double Spiro” Wide Energy Gap Hosts for Blue Phosphorescent OLED Devices
Abstract
Wide energy gap materials dispiro[fluorene‐9,9′‐anthracene‐10′,9″‐fluorene] (SAS) and dispiro[xanthene‐9,9′‐anthracene‐10′,9″‐xanthene] (XAX) containing double spiro–carbons, are introduced as hosts for blue phosphorescent organic light‐emitting diodes (PHOLEDs). Both SAS and XAX are free of heteroatomic exocyclic bonds, which are implicated in limiting the stability of blue PHOLEDs. The materials are synthesized in gram‐scale quantities through...
Paper Details
Title
Symmetric “Double Spiro” Wide Energy Gap Hosts for Blue Phosphorescent OLED Devices
Published Date
Nov 16, 2021
Journal
Volume
10
Issue
2
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