Abstract
Novel photoresponsive materials based on azo-containing bifunctional ruthenium-acetylides have been synthesized. All optical switching based on the Optical Kerr Effect in the organometallic thin films based on ruthenium(II) acetylides containing an azobenzene moiety as a photochromic unit in the main pi-conjugated system dispersed in a poly(methyl methacrylate) matrix has been observed. The excitation beam was delivered from a picosecond laser at wavelength 532nm while dynamics of induced sample birefringence was probed by a non-absorbed linearly polarized beam of cw He–Ne laser (632.8nm). The influence of ruthenium part on dynamics of molecular motions has been shown.
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