The diversification of the aligned pai-conjugated molecular assemblies and its application to construct the hetero-junction systems

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To develop the novel organic electronics, we have established the controlled assembling/aligning of the pai-conjugated molecules. The origothiophene or perylene derivatives possessing the molecular recognition units were prepared. The self-assembly of the pai-conjugated molecules was successfully controlled by the presence of guest molecules. On the other hand, the aligning and conformation control of the conjugated polymers were carried out by using a helical polysaccharide acting as an one-dimensional host. The modification of the side chain of the polysaccharide achieved not only the stimuli-responsive molecular inclusion but also the application of the polysaccharide as a catalyst on the preparation of metal nanoparticles.