Abstract
Arylsilanes and siloxanes have been extensively studied as components of OLEDs. In this review, we summarize the recent advances in the utilization of arylsilanes and siloxanes as fluorophore emitters, hosts for phosphor emitters, hole and exciton blocking materials, and as electron and hole transporting materials.
Highlights
In the past few decades, impressive scientific and technological progress has been achieved in the exploitation of organic light emitting diodes (OLEDs) in full-colour flat-panel displays and solid-state lighting
Perspectives and challenges related to arylsilanes and siloxanes for Organic light emitting diodes (OLEDs) applications are proposed based on the reported progress and our own opinions
We review the recent literature on arylsilanes and siloxanes which are used as emitters, charge-transport and host materials in OLEDs
Summary
Dianming Sun received his BE degree in 2011 from the college of Materials Science and Engineering at Beijing University of Chemical Technology. Journal of Materials Chemistry C emitting molecules to avoid exothermic reverse energy transfer[2,3,4] and (iv) good thermal and morphological stabilities and filmforming abilities for longer device lifetimes To meet these requirements the optoelectronic and physical properties of these charge transfer and blocking materials have been extensively modified through rational design of the functional substituents and chemical structures.[5,6,7,8,9,10,11,12,13,14,15,16] it is difficult to tune certain properties without adversely affecting others due to the close interrelationship between optoelectronic, morphological and physical properties. Our group integrated organic functional groups with ladder polysilsesquioxanes[34] and linear polysiloxanes[43] as high triplet energy host materials for blue phosphorescent OLEDs. In this article, we review the recent literature on arylsilanes and siloxanes which are used as emitters, charge-transport and host materials in OLEDs. The molecular structures, thermal stabilities and device performances are summarized and discussed. This review is written to serve as a tour of how traditional silicon chemistry can be integrated into the area of new and versatile OLED materials which are showing great promise as active components in functional devices
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