Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups
| Type of Publication: | Journal article |
| Publication status: | Published |
| URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-2-iwullyenzqok6 |
| Author: | Khodko, Alina; Khomenko, Vladimir; Mamuta, O. D.; Mukha, Iuliia Petrivna; Sysoiev, Dmytro; Huhn, Thomas; Snegir, Sergii; Kachalova, Nataliya |
| Year of publication: | 2016 |
| Published in: | Molecular Crystals and Liquid Crystals ; 639 (2016), 1. - pp. 64-70. - ISSN 1542-1406. - eISSN 1563-5287 |
| DOI (citable link): | https://dx.doi.org/10.1080/15421406.2016.1254524 |
| Summary: |
Picosecond cyclization reaction dynamics of furan-based photochromic diarylethenes with thiosemicarbazone side-chains were studied by femtosecond transient absorption spectroscopy. The monitored ring-closing reaction in the time range of 0÷1100 ps is characterized by two main stages. First stage proceeds during the first 1.1 ps and is associated mainly with redistribution of π-π molecular orbitals of excited open-ring molecules which consequently leads to the formation of excited closed-ring molecules. During the next 300 ps, a long-term relaxation via vibrational cooling of closed-ring form occurs. The obtained relaxation dynamics curve was fitted by an exponential decay function with 68 ps time constant.
|
| Subject (DDC): | 540 Chemistry |
| Bibliography of Konstanz: | Yes |
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KHODKO, Alina, Vladimir KHOMENKO, O. D. MAMUTA, Iuliia Petrivna MUKHA, Dmytro SYSOIEV, Thomas HUHN, Sergii SNEGIR, Nataliya KACHALOVA, 2016. Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups. In: Molecular Crystals and Liquid Crystals. 639(1), pp. 64-70. ISSN 1542-1406. eISSN 1563-5287. Available under: doi: 10.1080/15421406.2016.1254524
@article{Khodko2016Picos-37242, title={Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups}, year={2016}, doi={10.1080/15421406.2016.1254524}, number={1}, volume={639}, issn={1542-1406}, journal={Molecular Crystals and Liquid Crystals}, pages={64--70}, author={Khodko, Alina and Khomenko, Vladimir and Mamuta, O. D. and Mukha, Iuliia Petrivna and Sysoiev, Dmytro and Huhn, Thomas and Snegir, Sergii and Kachalova, Nataliya} }
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