Femtosecond transient absorption spectroscopy of photochromic diarylethene derivatives
DOI:
https://doi.org/10.15407/dopovidi2015.12.057Keywords:
femtosecond laser pulses, organic nanodevices, photochromic molecules, supercontinuum generationAbstract
Ultrafast ring-closing dynamics of photochromic molecules (i.e., difurylethene-based diarylethene derivatives) in ethanol solution was investigated by the femtosecond time-resolved pump-probe spectroscopy. The transition time from open to closed isomers is close to t = 1 ps. The verified experimental technique and the obtained results can be considered as a basis for the design of optically managed multifunctional organic nanodevices with specified parameters.
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