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Lehmann, M. ; Jahr, M. ; Grozema, F. C. ; Abellon, R. D. ; Siebbeles, L. D. A. ; Müller, M.
Columnar mesophases with 3D order from new functional nonconventional star-shaped mesogens

Star-shaped oligobenzoates with naphthalene chromophores assemble in columnar mesophases. In the low-temperature phases, mesogens self-organize helically along the columns, leading to columnar liquid crystal phases with 3D order (see image). The formation of these structures is driven by optimization of space-filling and nanosegregation. Naphthalene chromophores are segregated in the center of the columns and operate as hopping sites for charges.

Quelle
Advanced Materials 20

Seiten
4414-4418

DOI
http://dx.doi.org/10.1002/adma.200800852

Erschienen am
December 2008
 
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