Isomers of Pyrene–Imidazole Compounds: Synthesis and Configuration Effect on Optical Properties
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https://figshare.com/articles/dataset/Isomers_of_Pyrene_Imidazole_Compounds_Synthesis_and_Configuration_Effect_on_Optical_Properties/2097580
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Two pyrene-imidazole-based structural isomers, axisymmetric syn-PyDTI and centrosymmetric anti-PyDTI, have been easily produced and successfully separated in a one-pot reaction. Crystalline syn-PyDTI exhibited a 2-fold higher quantum efficiency than anti-PyDTI and displayed a much better performance in OLEDs with a ηc.max of 11.4 cd A–1 (8.8 cd A–1 for anti-PyDTI), although they possess the same apparent electronic structure. Observations revealed that the molecular excited-state properties are derived from distinct structural symmetries.
创建时间:
2016-02-12



