Publikation: Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups
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2016
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Khodko, Alina
Khomenko, Vladimir
Mamuta, O. D.
Mukha, Iuliia Petrivna
Kachalova, Nataliya
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Molecular Crystals and Liquid Crystals. 2016, 639(1), pp. 64-70. ISSN 1542-1406. eISSN 1563-5287. Available under: doi: 10.1080/15421406.2016.1254524
Zusammenfassung
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.
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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. 2016, 639(1), pp. 64-70. ISSN 1542-1406. eISSN 1563-5287. Available under: doi: 10.1080/15421406.2016.1254524BibTex
@article{Khodko2016Picos-37242,
year={2016},
doi={10.1080/15421406.2016.1254524},
title={Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups},
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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<dcterms:abstract xml:lang="eng">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.</dcterms:abstract>
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