Vibrations and molecular dynamics of a discotic liquid crystal confined to channels with an ultra-low diameter
Discotic liquid crystals (DLC) are soft-matter materials which organize into columns that further assemble into two-dimensional arrays with a hexagonal mesophase. Highly ordered columnar structures were found to be very promising as active semiconductors in organic field-effect transistors and photovoltaic devices. The charge transport in these systems is controlled by their molecular mobility. Confining DLCs to the unidirectional channels of nanoporous anodic aluminium (AAO) can be regarded as model system for nanoscaled wires. To investigate the influence of a nanoscaled confinement on the vibrational density of states and the molecular mobility it is proposed to carry out Time-of-Flight experiments on a triphenylene based DLC embedded to the 25 nm wide pores of AAO at IN6.
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SCHOENHALS Andreas; Bernhard Frick; KRAUSE Christina and ZORN Reiner. (2013). Vibrations and molecular dynamics of a discotic liquid crystal confined to channels with an ultra-low diameter. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-05-928
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