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Title

Control of self-assembly of a 3-hexen-1,5-diyne derivative: Toward soft materials with an aggregation-induced enhancement in emission

AuthorsPérez, Ana; Serrano, José Luis; Sierra, Teresa
Issue Date2011
PublisherAmerican Chemical Society
CitationJournal of the American Chemical Society 133(21): 8110-8113 (2011)
AbstractThe supramolecular architectures of a fluorophore are controlled through the design of a conjugated polycatenar molecule, the self-assembly of which can be addressed toward a columnar liquid-crystalline phase and organogels. Thus, depending on the environmental conditions for self-assembly, compound CA9 organizes into an unprecedented hexagonal columnar mesophase in the condensed state, in which half a molecule constitutes the slice of the column, or into a rectangular mesomorphic-like organization in the presence of apolar solvents such as cyclohexane and dodecane, at a concentration in which fibers form and gelling conditions are fulfilled. In this Colr-type arrangement, the organization within the columns depends on the solvent. All of the materials prepared show luminescence, and moreover, a remarkable 3-fold increase in fluorescence intensity was observed in going from the solution to the gel state. © 2011 American Chemical Society.
URIhttp://hdl.handle.net/10261/52537
DOI10.1021/ja2018898
Identifiersdoi: 10.1021/ja2018898
issn: 0002-7863
e-issn: 1520-5126
Appears in Collections:(ICMA) Artículos
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