3C02 2-スチリルピリジン基を有する高分子薄膜による色素分子の光配向制御

抄録

The orientational photocontrol of anisotropic (lye molecules by a dchroic thin film of a polymethacrylatc with styrylpyridine side chains is described. Photoreaction of styrylpyridine groups in thin films upon exposure to 313 nm light involved two reaclious of E-to-Z photoisomerization and (2+2) photodimerization. Thin films of the photoactive pollymethacrylates showed the photoinduced dichroism upon linearly polarized light at 313 nm. The orientation of dye molecules was perpendicular to the direction of the electric vector of polarizedlight. The dependence of methylene spacer length between the styrylpyridine group and the polymer backbone on the orientational order parameter of the oriented dye molecules was significantly observed.