Structural characterization of new fluorinated mesogens obtained through halogen-bond driven self-assembly

V. Kumar; D.J. Mulder; G. Cavallo; T. Pilati; G. Terraneo; G. Resnati; A.P.H.J. Schenning; P. Metrangolo

doi:10.1016/j.jfluchem.2016.12.011

Structural characterization of new fluorinated mesogens obtained through halogen-bond driven self-assembly

V. Kumar, D.J. Mulder, G. Cavallo, T. Pilati, G. Terraneo, G. Resnati, A.P.H.J. Schenning, P. Metrangolo

Research output: Contribution to journal › Article › Academic › peer-review

8 Citations (Scopus)

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Abstract

We describe the synthesis and characterization of new trimeric complexes obtained upon halogen-bond driven self-assembly of 1,4-diiodotetrafluorobenzene or α,ω– diiodoperfluoroalkanes, acting as XB-donors, with an alkoxystilbazole derivative functionalized with a methacrylate terminal group, acting as XB-acceptor. Despite the fact that the starting materials are not mesomorphic in nature, the obtained halogen-bonded complexes exhibit monotropic LC behaviour with smectic A phases possibly resulting from segregation between fluorocarbon and hydrocarbon chains. The obtained supramolecular mesogens possess reactive groups suitable for incorporation into liquid crystalline elastomeric actuators.

Original language	English
Pages (from-to)	54-60
Number of pages	7
Journal	Journal of Fluorine Chemistry
Volume	198
DOIs	https://doi.org/10.1016/j.jfluchem.2016.12.011
Publication status	Published - 1 Jun 2017

Keywords

Diiodoperfluorocarbons
Halogen bonding
Liquid crystals
Reactive mesogens
Self-assembly

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10.1016/j.jfluchem.2016.12.011

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title = "Structural characterization of new fluorinated mesogens obtained through halogen-bond driven self-assembly",

abstract = "We describe the synthesis and characterization of new trimeric complexes obtained upon halogen-bond driven self-assembly of 1,4-diiodotetrafluorobenzene or α,ω– diiodoperfluoroalkanes, acting as XB-donors, with an alkoxystilbazole derivative functionalized with a methacrylate terminal group, acting as XB-acceptor. Despite the fact that the starting materials are not mesomorphic in nature, the obtained halogen-bonded complexes exhibit monotropic LC behaviour with smectic A phases possibly resulting from segregation between fluorocarbon and hydrocarbon chains. The obtained supramolecular mesogens possess reactive groups suitable for incorporation into liquid crystalline elastomeric actuators.",

keywords = "Diiodoperfluorocarbons, Halogen bonding, Liquid crystals, Reactive mesogens, Self-assembly",

author = "V. Kumar and D.J. Mulder and G. Cavallo and T. Pilati and G. Terraneo and G. Resnati and A.P.H.J. Schenning and P. Metrangolo",

year = "2017",

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doi = "10.1016/j.jfluchem.2016.12.011",

language = "English",

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journal = "Journal of Fluorine Chemistry",

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Structural characterization of new fluorinated mesogens obtained through halogen-bond driven self-assembly. / Kumar, V.; Mulder, D.J.; Cavallo, G.; Pilati, T.; Terraneo, G.; Resnati, G.; Schenning, A.P.H.J.; Metrangolo, P.

In: Journal of Fluorine Chemistry, Vol. 198, 01.06.2017, p. 54-60.

Research output: Contribution to journal › Article › Academic › peer-review

TY - JOUR

T1 - Structural characterization of new fluorinated mesogens obtained through halogen-bond driven self-assembly

AU - Kumar, V.

AU - Mulder, D.J.

AU - Cavallo, G.

AU - Pilati, T.

AU - Terraneo, G.

AU - Resnati, G.

AU - Schenning, A.P.H.J.

AU - Metrangolo, P.

PY - 2017/6/1

Y1 - 2017/6/1

N2 - We describe the synthesis and characterization of new trimeric complexes obtained upon halogen-bond driven self-assembly of 1,4-diiodotetrafluorobenzene or α,ω– diiodoperfluoroalkanes, acting as XB-donors, with an alkoxystilbazole derivative functionalized with a methacrylate terminal group, acting as XB-acceptor. Despite the fact that the starting materials are not mesomorphic in nature, the obtained halogen-bonded complexes exhibit monotropic LC behaviour with smectic A phases possibly resulting from segregation between fluorocarbon and hydrocarbon chains. The obtained supramolecular mesogens possess reactive groups suitable for incorporation into liquid crystalline elastomeric actuators.

AB - We describe the synthesis and characterization of new trimeric complexes obtained upon halogen-bond driven self-assembly of 1,4-diiodotetrafluorobenzene or α,ω– diiodoperfluoroalkanes, acting as XB-donors, with an alkoxystilbazole derivative functionalized with a methacrylate terminal group, acting as XB-acceptor. Despite the fact that the starting materials are not mesomorphic in nature, the obtained halogen-bonded complexes exhibit monotropic LC behaviour with smectic A phases possibly resulting from segregation between fluorocarbon and hydrocarbon chains. The obtained supramolecular mesogens possess reactive groups suitable for incorporation into liquid crystalline elastomeric actuators.

KW - Diiodoperfluorocarbons

KW - Halogen bonding

KW - Liquid crystals

KW - Reactive mesogens

KW - Self-assembly

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EP - 60

JO - Journal of Fluorine Chemistry

JF - Journal of Fluorine Chemistry

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