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Cover Feature: Phenylene Bridged Cyclic Azaacenes: Dimers and Trimers (Chem. Eur. J. 27/2018)
Author(s) -
Hahn Sebastian,
Koser Silke,
Hodecker Manuel,
Seete Pascal,
Rominger Frank,
Miljanić Ognjen Š.,
Dreuw Andreas,
Bunz Uwe H. F.
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201801789
Subject(s) - phenylene , condensation , crystallography , molecule , oled , cover (algebra) , trimer , chemistry , materials science , polymer chemistry , nanotechnology , polymer , physics , dimer , organic chemistry , engineering , mechanical engineering , layer (electronics) , thermodynamics
Several macrocyclic, phenylene‐bridged azaacenes were obtained by condensation or Buchwald–Hartwig couplings in a two‐step synthesis. We evaluated the optical and electronic properties, used the targets as emitting materials in OLEDs and discuss their properties through comparison with their linear and cyclotetrameric counterparts. The graphic illustrates the versatility of our systems. Single crystal structures of our target molecules with different substitution and functionalities are shown. More information can be found in the Full Paper by U. H. F. Bunz et al. on page 6968.