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Photoresponsive molecular assembly based on diarylethene (DAE) is an interesting class of supramolecular system as it can allow remarkable morphological transition via small structural changes upon photoisomerization. Herein, we report coassemblies of diarylethene and perylene bisimide through complementary multiple hydrogen-bonding. The open isomer of the diarylethene and the perylene bisimide coassemble...
The optical properties of the thin films of asymmetrically substituted polysilane homopolymers and copolymers were studied. A conformational change in the organopolysilanes having (pentoxy,methyl) or (hexyl,methyl) groups was observed by polarized UV spectrometry and a wide angle X-ray diffraction. The polysilanes and polysilane copolymers having hexyl and pentoxy side chains were crystallized to...
Alkoxy-substituted organopolysilane homopolymer (poly[SiMe(OR)] n ) and random copolymers (poly[SiMe(OR)] m [SiMeR′] n were synthesized and the solvatochromism and thermochromism for their absorption and fluorescence spectra were examined. The band maxima shifted to longer wavelengths with an increase in the ratio of the alkoxy side chains; however, the influence of the solvent...
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