Chemistry of Materials, volume 31, issue 2, pages 462-470

Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution

Saccone Marco 1, 2
Spengler Matthias 1, 2
Pfletscher Michael 1, 2
Kuntze Kim 3
Virkki Matti 3
Wölper Christoph 4
Gehrke Robert 1
Jansen Georg 1
Metrangolo Pierangelo 5
Priimagi Arri 3
GIESE MICHAEL J. 1, 2
1
 
Institut für Organische Chemie, Universität Duisburg-Essen, Universitätsstraße 7, 45141 Essen, Germany
2
 
CENIDE, Carl-Benz-Straße 199, 47057 Duisburg, Germany
4
 
Institut für Anorganische Chemie, Universität Duisburg-Essen, Universitätsstraße 7, 45141 Essen, Germany
Publication typeJournal Article
Publication date2019-01-08
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
A new strategy for controlling the liquid crystalline and photophysical properties of supramolecular mesogens assembled via halogen bonding is reported. Changing the degree of fluorination at the halogen-bond donor of the supramolecular liquid crystal allows for the fine-tuning of the halogen bond strength and thereby provides control over the temperature range of the mesophase. At least three fluorine atoms have to be present to ensure efficient polarization of the halogen-bond donor and the formation of a mesophase. In addition, it was found that stilbazole acceptors are superior to their azopyridine counterparts in promoting stable liquid crystalline phases. The halogen-bond-driven supramolecular liquid crystals between fluorinated azobenzenes and stilbazole/azopyridine acceptors show a rich variety of photoinduced processes driven by azobenzene photoisomerization, dictated not only by the photochemical properties of the molecular components but also by the difference between the operation temperature ...

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Saccone M. et al. Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution // Chemistry of Materials. 2019. Vol. 31. No. 2. pp. 462-470.
GOST all authors (up to 50) Copy
Saccone M., Spengler M., Pfletscher M., Kuntze K., Virkki M., Wölper C., Gehrke R., Jansen G., Metrangolo P., Priimagi A., GIESE M. J. Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution // Chemistry of Materials. 2019. Vol. 31. No. 2. pp. 462-470.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.chemmater.8b04197
UR - https://doi.org/10.1021%2Facs.chemmater.8b04197
TI - Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution
T2 - Chemistry of Materials
AU - Spengler, Matthias
AU - Pfletscher, Michael
AU - Wölper, Christoph
AU - Gehrke, Robert
AU - Saccone, Marco
AU - Metrangolo, Pierangelo
AU - Priimagi, Arri
AU - GIESE, MICHAEL J.
AU - Kuntze, Kim
AU - Virkki, Matti
AU - Jansen, Georg
PY - 2019
DA - 2019/01/08 00:00:00
PB - American Chemical Society (ACS)
SP - 462-470
IS - 2
VL - 31
SN - 0897-4756
SN - 1520-5002
ER -
BibTex |
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BibTex Copy
@article{2019_Saccone,
author = {Matthias Spengler and Michael Pfletscher and Christoph Wölper and Robert Gehrke and Marco Saccone and Pierangelo Metrangolo and Arri Priimagi and MICHAEL J. GIESE and Kim Kuntze and Matti Virkki and Georg Jansen},
title = {Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution},
journal = {Chemistry of Materials},
year = {2019},
volume = {31},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021%2Facs.chemmater.8b04197},
number = {2},
pages = {462--470},
doi = {10.1021/acs.chemmater.8b04197}
}
MLA
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MLA Copy
Saccone, Marco, et al. “Photoresponsive Halogen-Bonded Liquid Crystals: The Role of Aromatic Fluorine Substitution.” Chemistry of Materials, vol. 31, no. 2, Jan. 2019, pp. 462-470. https://doi.org/10.1021%2Facs.chemmater.8b04197.
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