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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5226
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dc.contributor.authorGupta, Raj Kumar-
dc.contributor.authorManjuladevi, V.-
dc.contributor.authorKarthik, C.-
dc.contributor.authorKumar, Sandeep-
dc.contributor.authorSuresh, K.A.-
dc.date.accessioned2012-08-06T10:01:21Z-
dc.date.available2012-08-06T10:01:21Z-
dc.date.issued2012-09-20-
dc.identifier.citationColloids and Surfaces -A, 2012, Vol.410, p91-97en
dc.identifier.issn0927-7757-
dc.identifier.urihttp://hdl.handle.net/2289/5226-
dc.descriptionRestricted Access.en
dc.description.abstractThe assembly of disk-shaped molecules on surfaces has drawn considerable attention because of their unique electronic and optical properties. We have studied the monolayer of the amphiphilic tricycloquinazoline (AmTCQ) based disk-shaped molecules at the air–water and air–solid interfaces. The AmTCQ molecules form a stable Langmuir monolayer at the air–water interface. The monolayer exhibits gas phase, low density liquid (L1) phase, and high density liquid (L12) phase. In L1 phase, the molecules prefer face-on conformation with their flexible side-chain being interdigitated with the neighboring molecules. Interestingly, the molecular conformations in L12 phase were found to be both the face-on and edge-on. The structure of the aggregates of the molecules on a surface can be influenced by the intermolecular and molecule–substrate interactions. The deficiency in π-electrons of the AmTCQ molecule may lead to a weak intermolecular interaction. The observation of both the conformations of the molecules in L12 phase can be attributed to the weak intermolecular interaction.en
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.urihttp://dx.doi.org/10.1016/j.colsurfa.2012.06.023en
dc.rights2012 Elsevier B.V.en
dc.subjectAmphiphilic tricycloquinazolineen
dc.subjectLangmuir monolayeren
dc.subjectBrewster angle microscopyen
dc.subjectAtomic force microscopyen
dc.subjectReflection absorption infrared spectroscopyen
dc.titleStudies on Langmuir monolayer of tricycloquinazoline based disk-shaped liquid crystal moleculesen
dc.typeArticleen
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