The Synthesis And Optoelectronic Properties Of Anthracene Macrocyclic Arene

The development of blue fluorescent materials in the field of organic light-emitting materials(OLEDs)is relatively backward compared to red and green light materials in recent years.Therefore,designing and synthesizing high-efficiency,high-color purity and high-stability blue light materials is a huge challenge.Supramolecular chemistry,as cross discipline,is always advancing along with the synthesis and application of new macrocycles.Therefore,the design and synthesis of new macrocyclic molecules with novel structures and unique functions and their rational application are the main driving forces and energy sources for the advancement of supramolecular chemistry.In this paper,we synthesized two monomers of trans-9,10-bis-(2-butoxyphenyl)anthracene and trans-9,10-bis-(2,4-dimethoxyphenyl)anthracene and two types of macrocyclic molecules based on above two monomers.Furthermore,the electroluminescence properties of these blue-light devices are explored and studied as following:(1)The Synthesis and Optoelectronic Properties of anthracene derivatives: For the first time,two new type of trans-9,10-bis-(2-butoxyphenyl)anthracene and trans-9,10-bis-(2,4-dimethoxyphenyl)anthracene were synthesized by Suzuki cross-coupling reaction with 9,10-dibromoanthracene and different boric acid as raw materials with palladium as a catalyst.The properties of photophysical and organic light-emitting device of the two compounds were subsequently investigated.They were found to belong to deep blue light materials and have good photophysical properties.The most important is that trans-9,10-bis-(2-butoxyphenyl)anthracene has a high external quantum efficiency(EQE),and the external quantum efficiency obtained by vapor deposition is up to 10.27%.The CIE coordinates are(0.15,0.05).(2)The Synthesis and Optoelectronic Properties of anthracene-containing supramolecular compound: One type of macrocyclic arene and acyclic oligomer containing anthracene were successfully synthesized through the monomers trans-9,10-bis-(2,4-dimethoxyphenyl)anthracene and trans-9,10-bis-(2-butoxyphenyl)anthracene via simple one pot reaction.In addition,the properties of photophysical and organic light-emitting devices were studied.It is found that they had good photophysical properties and belong to deep blue light materialswith high external quantum efficiency(EQE).The highest efficiency by the solution method of the anthracene-based macrocyclic obtained is 4.30%,and the corresponding CIE coordinates are(0.15,0.06).