Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 21, Issue 1, Pages 86-90Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201403111
Keywords
charge transfer; donor-acceptor systems; hexa-peri-hexabenzocoronene; liquid crystals; self-assembly
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Donor-acceptor (D-A) structures were obtained by alternating arrays of hexa-peri-hexabenzocoronene (HBC) and benzo[c][1,2,5] thiadiazole (BTZ). Optoelectronic investigations revealed a charge transfer due to strong push-pull interactions. 2D wide-angle X-ray scattering (WAXS) data indicated an arrangement in liquid-crystalline columnar assemblies, in which the pi-stacking distances and molecular orientation depend on the number of HBC units in the molecules.
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