| Literature DB >> 25656050 |
Matthias Lehmann1, Markus Hügel.
Abstract
Star-shaped oligophenylenevinylene (OPV) mesogens are shape-persistent and possess formally large void space. A mesogen with three styrene repeating units packs densely in a columnar helical arrangement. Attachment of one fullerene through a short spacer results in an exceptional increase of the mesophase stability. X-ray scattering and modeling evidence a triple-helical arrangement in which the fullerene perfectly fills the void space between the arms of the star mesogen.Entities:
Keywords: columnar phases; donor-acceptor systems; fullerenes; helical packing; liquid crystals
Year: 2015 PMID： 25656050 DOI： 10.1002/anie.201410662
Source DB: PubMed Journal: Angew Chem Int Ed Engl ISSN： 1433-7851 Impact factor: 15.336