Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13877
Title: Synthesis and characterization of novel supramolecular architectures in the solid state and in the mesophase
Authors: B VENKATARAMANAN
Keywords: self-assembly, weak intermolecular interactions,hydrogen bonding, liquid crystals, water clusters, crystal engineering
Issue Date: 17-Mar-2004
Source: B VENKATARAMANAN (2004-03-17). Synthesis and characterization of novel supramolecular architectures in the solid state and in the mesophase. ScholarBank@NUS Repository.
Abstract: The focus of this thesis is on understanding the role of weak interactions in the formation of supramolecular architectures towards developing functional materials. The influence of hydrogen bonds, pia??a??a??pi stacking and Ca??Ha??a??a??pi interactions on the self-assembly of substituted N-methacrylamides and polyphenols were studied in the solid lattice using single crystal X-ray analysis. Unique hydrogen bonded water clusters having conformation similar to cyclohexane were observed in the crystal lattice of one of the polyphenol. Terphenylene derivatives were synthesized and their self-assembly on glass substrate and in solution were investigated. Self- assembled liquid crystalline complexes of polyphenols with bipyridine, where the bipyridyl units served as hydrogen bond acceptor and the hydroxyl groups act as hydrogen bond donors were generated and their properties were investigated. Novel amphiphilic liquid crystals based on TRIS compounds were synthesized and characterized. Multiphase self-assembly of a few molecular building blocks and the self-assembly relationship were investigated in all cases described in this thesis.
URI: http://scholarbank.nus.edu.sg/handle/10635/13877
Appears in Collections:Ph.D Theses (Open)

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