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dc.contributor.authorGujral, Ankit
dc.contributor.authorGomez, Jaritza
dc.contributor.authorRuan, Shigang
dc.contributor.authorToney, Michael F.
dc.contributor.authorBock, Harold
dc.contributor.authorYu, Lian
dc.contributor.authorEdiger, M. D.
dc.date.accessioned2017-12-15T21:18:44Z
dc.date.available2017-12-15T21:18:44Z
dc.date.issued2017-10-04
dc.identifier.citationGujral, A., Gomez, J., Ruan, S., Toney, M. F., Yu, L. & Ediger, M. D. Vapor-Deposited Glasses with Long-Range Columnar Liquid Crystalline Order. Chem. Mater., 2017, 29 (21), pp 9110–9119.en
dc.identifier.urihttp://digital.library.wisc.edu/1793/77681
dc.description.abstractAnisotropic molecular packing, particularly in highly ordered liquid crystalline arrangements, has the potential for optimizing performance in organic electronic and optoelectronic applications. Here we show that physical vapor deposition can be used to prepare highly organized glassy solids of discotic liquid crystalline systems. Using grazing incidence X-ray scattering, atomic force microscopy, and UV–vis spectroscopy, we compare three systems: a rectangular columnar liquid crystal, a hexagonal columnar liquid crystal, and a nonmesogen. The packing motifs accessible by vapor deposition are highly organized for the liquid crystalline systems with columns propagating either in-plane or out-of-plane depending upon the substrate temperature during deposition. The structures formed at a given substrate temperature can be understood as resulting from partial equilibration toward the structure of the equilibrium liquid crystal surface during the deposition process.en
dc.description.sponsorshipNSF- University of Wisconsin Materials Research Science and Engineering Center DMR-1720415 US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, Award DE-SC0002161 U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract DE-AC02-76SF00515.en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.titleVapor-Deposited Glasses with Long-Range Columnar Liquid Crystalline Orderen
dc.typeArticleen
dc.identifier.doi10.1021/acs.chemmater.7b02852


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