Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/49357
Title: CONSTRUCTION OF FUNCTIONAL NANO-STRUCTURES BY LBL AND SELF-ASSEMBLY
Authors: ZHOU RUITAO
Keywords: Layer-by-layer, Covalent molecular assembly, Supramolecular architectures, Cross-linking, Calixarene, Nanoreactors,
Issue Date: 21-Jan-2013
Source: ZHOU RUITAO (2013-01-21). CONSTRUCTION OF FUNCTIONAL NANO-STRUCTURES BY LBL AND SELF-ASSEMBLY. ScholarBank@NUS Repository.
Abstract: The ability to fabricate robust and complex nanostructures with high precision is an important aspect in building promising nanodevices. LbL (layer-by-layer) assembly and supramolecular assembly are two important nanofabrication techniques. Robust multilayer films can be achieved through covalent LbL assembly due to the formation of covalent bonds between different layers, while their structures are usually very simple. While supramolecular systems can be used as a template to synthesize nanoparticles and nanowires, so immobilization and fabrication of these supramolecular systems is a promising method to fabricate electronic circuits. Supramolecular systems can be incorporated into multilayer films by various LbL assembly, and especially by covalent LbL assembly, robust nanostructures with high precision can be achieved. In the first part of this work, combination of covalent LbL assembly and lateral assembly was adopted to fabricate multilayer films with three-dimensional structures. In the second part, combination of LbL assembly and supramolecular assembly was employed to fabricate hydroquinone nanoreactors, and various metallic NPs (nanoparticles) were synthesized in the nanoreactors. These nanoreactors with metallic nanoparticles yielded a higher efficiency of photodegradation of organic dyes upon the light exposure.
URI: http://scholarbank.nus.edu.sg/handle/10635/49357
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