Femtosecond transient absorption spectroscopy of photochromic diarylethene derivatives

1Khodko, AA
2Snegir, SV
1Khomenko, VV
1Mamuta, OD
1Voitsechovych, VS
1Kachalova, NM
1Institute of Physics of the NAS of Ukraine, Kyiv
2O. O. Chuiko Institute of Surface Chemistry of the NAS of Ukraine, Kyiv
Dopov. Nac. akad. nauk Ukr. 2015, 12:57-63
https://doi.org/10.15407/dopovidi2015.12.057
Section: Physics
Language: Ukrainian
Abstract: 

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.

Keywords: femtosecond laser pulses, organic nanodevices, photochromic molecules, supercontinuum generation
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