Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches

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Standard

Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches. / Mengots, Alvis; Hillers-bendtsen, Andreas Erbs; Doria, Sandra; Kjeldal, Frederik Ørsted; Høyer, Nicolai Machholdt; Petersen, Anne Ugleholdt; Mikkelsen, Kurt V.; Di Donato, Mariangela; Cacciarini, Martina; Nielsen, Mogens Brøndsted.

I: Chemistry: A European Journal, Bind 27, Nr. 48, 2021, s. 12437-12446.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Mengots, A, Hillers-bendtsen, AE, Doria, S, Kjeldal, FØ, Høyer, NM, Petersen, AU, Mikkelsen, KV, Di Donato, M, Cacciarini, M & Nielsen, MB 2021, 'Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches', Chemistry: A European Journal, bind 27, nr. 48, s. 12437-12446. https://doi.org/10.1002/chem.202101533

APA

Mengots, A., Hillers-bendtsen, A. E., Doria, S., Kjeldal, F. Ø., Høyer, N. M., Petersen, A. U., Mikkelsen, K. V., Di Donato, M., Cacciarini, M., & Nielsen, M. B. (2021). Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches. Chemistry: A European Journal, 27(48), 12437-12446. https://doi.org/10.1002/chem.202101533

Vancouver

Mengots A, Hillers-bendtsen AE, Doria S, Kjeldal FØ, Høyer NM, Petersen AU o.a. Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches. Chemistry: A European Journal. 2021;27(48):12437-12446. https://doi.org/10.1002/chem.202101533

Author

Mengots, Alvis ; Hillers-bendtsen, Andreas Erbs ; Doria, Sandra ; Kjeldal, Frederik Ørsted ; Høyer, Nicolai Machholdt ; Petersen, Anne Ugleholdt ; Mikkelsen, Kurt V. ; Di Donato, Mariangela ; Cacciarini, Martina ; Nielsen, Mogens Brøndsted. / Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches. I: Chemistry: A European Journal. 2021 ; Bind 27, Nr. 48. s. 12437-12446.

Bibtex

@article{c370e11740b24791815fc498cc74bf41,
title = "Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches",
abstract = "Photoswitch triads comprising two dihydroazulene (DHA) units in conjugation with a central trans-azobenzene (AZB) unit were prepared in stepwise protocols starting from meta- and para-disubstituted azobenzenes. The para-connected triad had significantly altered optical properties and lacked the photoactivity of the separate photochromes. In contrast, for the meta-connected triad, all three photochromes could be photoisomerized to generate an isomer with two vinylheptafulvene (VHF) units and a cis-azobenzene unit. Ultrafast spectroscopy of the photoisomerizations revealed a fast DHA-to-VHF photoisomerization and a slower trans-to-cis AZB photoisomerization. This meta triad underwent thermal VHF-to-DHA back-conversion with a similar rate of all VHFs, independent of the identity of the neighboring units, and in parallel thermal cis-to-trans AZB conversion. The experimental observations were supported by computation (excitation spectra and orbital analysis of the transitions).",
author = "Alvis Mengots and Hillers-bendtsen, {Andreas Erbs} and Sandra Doria and Kjeldal, {Frederik {\O}rsted} and H{\o}yer, {Nicolai Machholdt} and Petersen, {Anne Ugleholdt} and Mikkelsen, {Kurt V.} and {Di Donato}, Mariangela and Martina Cacciarini and Nielsen, {Mogens Br{\o}ndsted}",
year = "2021",
doi = "10.1002/chem.202101533",
language = "English",
volume = "27",
pages = "12437--12446",
journal = "Chemistry: A European Journal",
issn = "0947-6539",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "48",

}

RIS

TY - JOUR

T1 - Dihydroazulene‐Azobenzene‐Dihydroazulene Triad Photoswitches

AU - Mengots, Alvis

AU - Hillers-bendtsen, Andreas Erbs

AU - Doria, Sandra

AU - Kjeldal, Frederik Ørsted

AU - Høyer, Nicolai Machholdt

AU - Petersen, Anne Ugleholdt

AU - Mikkelsen, Kurt V.

AU - Di Donato, Mariangela

AU - Cacciarini, Martina

AU - Nielsen, Mogens Brøndsted

PY - 2021

Y1 - 2021

N2 - Photoswitch triads comprising two dihydroazulene (DHA) units in conjugation with a central trans-azobenzene (AZB) unit were prepared in stepwise protocols starting from meta- and para-disubstituted azobenzenes. The para-connected triad had significantly altered optical properties and lacked the photoactivity of the separate photochromes. In contrast, for the meta-connected triad, all three photochromes could be photoisomerized to generate an isomer with two vinylheptafulvene (VHF) units and a cis-azobenzene unit. Ultrafast spectroscopy of the photoisomerizations revealed a fast DHA-to-VHF photoisomerization and a slower trans-to-cis AZB photoisomerization. This meta triad underwent thermal VHF-to-DHA back-conversion with a similar rate of all VHFs, independent of the identity of the neighboring units, and in parallel thermal cis-to-trans AZB conversion. The experimental observations were supported by computation (excitation spectra and orbital analysis of the transitions).

AB - Photoswitch triads comprising two dihydroazulene (DHA) units in conjugation with a central trans-azobenzene (AZB) unit were prepared in stepwise protocols starting from meta- and para-disubstituted azobenzenes. The para-connected triad had significantly altered optical properties and lacked the photoactivity of the separate photochromes. In contrast, for the meta-connected triad, all three photochromes could be photoisomerized to generate an isomer with two vinylheptafulvene (VHF) units and a cis-azobenzene unit. Ultrafast spectroscopy of the photoisomerizations revealed a fast DHA-to-VHF photoisomerization and a slower trans-to-cis AZB photoisomerization. This meta triad underwent thermal VHF-to-DHA back-conversion with a similar rate of all VHFs, independent of the identity of the neighboring units, and in parallel thermal cis-to-trans AZB conversion. The experimental observations were supported by computation (excitation spectra and orbital analysis of the transitions).

U2 - 10.1002/chem.202101533

DO - 10.1002/chem.202101533

M3 - Journal article

C2 - 34096662

VL - 27

SP - 12437

EP - 12446

JO - Chemistry: A European Journal

JF - Chemistry: A European Journal

SN - 0947-6539

IS - 48

ER -

ID: 271820297