Establishment of Theory Determining Self Assembling State of Amphiphilic Molecules Considering Steric Configuration and Steric Coordination

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1) Effect of optical chirality on the self assembly of surfactants: Gemini surfactants with anti- and syn- type structures were synthesized and the effect of steric configuration of the hydrophilic moieties on the interfacial chemical properties was investigated2) Photochemical viscosity control of organic solvent using azobenzne-modified amphiphiles: To reversed wormlike micellar solutions were added the various azobenzene modified amphiphilies and the effect of molecular structure of the azobenzene derivatives on the photo-induced viscosity change of organic solvent was studied.3) Change in morphology of surfactant admicelles induced by the addition of hardly water soluble organic substances: Photoresponsive substances were added to the surfactant admicelles formed at solid/liquid interface and the effect of photoisomerization reaction on the morphology of the admicelles was evaluated by using atomic force microscope (AFM).