Hybrid Molecular Orientation of Sandwich-Type Structure Discogen Hexaalkoxydibenzo[a,c]phenazine on the Surfaces Modified Using Silane Self-Assembly Monolayers

Wenjun Zheng, Cheng-Yan Chiang, Ian Underwood

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Substrates were processed using hydrogen peroxide and coated with silane self-assembly monolayers to obtain different surface free energies. The face-on anchoring and edge-on anchoring of discogen 11,12-bisdodecyloxy-2,3,6,7-tetrakisoctyloxydibenzo[a,c]phenazine molecules were obtained on the peroxidized ITO surface and the surface covered by octadecyltrichlorosilane, respectively. It is demonstrated that substrates with patterned surface free energy template can be produced by stamp printing the silane onto and followed by a silanization process in situ on the substrates. Discogen domains with different types of columnar orientation are formed in a cell constructed using the substrates with patterned energetic template.
Original languageEnglish
Pages (from-to)94-101
Number of pages8
JournalMolecular Crystals and Liquid Crystals
Volume540
DOIs
Publication statusPublished - 14 Jun 2011

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