Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale

Nikolay Houbenov (Corresponding Author), Roberto Milani, Mikko Poutanen, Johannes Haataja, Valentina Dichiarante, Jani Sainio, Janne Ruokolainen, Giuseppe Resnati, Pierangelo Metrangolo (Corresponding Author), Olli Ikkala (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

36 Citations (Scopus)

Abstract

Aligning polymeric nanostructures up to macroscale in facile ways remains a challenge in materials science and technology. Here we show polymeric self-assemblies where nanoscale organization guides the macroscopic alignment up to millimetre scale. The concept is shown by halogen bonding mesogenic 1-iodoperfluoroalkanes to a star-shaped ethyleneglycol-based polymer, having chloride end-groups. The mesogens segregate and stack parallel into aligned domains. This leads to layers at ~10 nm periodicity. Combination of directionality of halogen bonding, mesogen parallel stacking and minimization of interfacial curvature translates into an overall alignment in bulk and films up to millimetre scale. Upon heating, novel supramolecular halogen-bonded polymeric liquid crystallinity is also shown. As many polymers present sites capable of receiving halogen bonding, we suggest generic potential of this strategy for aligning polymer self-assemblies.
Original languageEnglish
Number of pages8
JournalNature Communications
Volume5
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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Halogens
halogens
Self assembly
self assembly
Polymers
polymers
alignment
Nanostructures
Periodicity
Materials science
materials science
Heating
Stars
Chlorides
periodic variations
crystallinity
chlorides
curvature
Technology
stars

Keywords

  • Chemical Sciences
  • Materials Science

Cite this

Houbenov, Nikolay ; Milani, Roberto ; Poutanen, Mikko ; Haataja, Johannes ; Dichiarante, Valentina ; Sainio, Jani ; Ruokolainen, Janne ; Resnati, Giuseppe ; Metrangolo, Pierangelo ; Ikkala, Olli. / Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale. In: Nature Communications. 2014 ; Vol. 5.
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abstract = "Aligning polymeric nanostructures up to macroscale in facile ways remains a challenge in materials science and technology. Here we show polymeric self-assemblies where nanoscale organization guides the macroscopic alignment up to millimetre scale. The concept is shown by halogen bonding mesogenic 1-iodoperfluoroalkanes to a star-shaped ethyleneglycol-based polymer, having chloride end-groups. The mesogens segregate and stack parallel into aligned domains. This leads to layers at ~10 nm periodicity. Combination of directionality of halogen bonding, mesogen parallel stacking and minimization of interfacial curvature translates into an overall alignment in bulk and films up to millimetre scale. Upon heating, novel supramolecular halogen-bonded polymeric liquid crystallinity is also shown. As many polymers present sites capable of receiving halogen bonding, we suggest generic potential of this strategy for aligning polymer self-assemblies.",
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author = "Nikolay Houbenov and Roberto Milani and Mikko Poutanen and Johannes Haataja and Valentina Dichiarante and Jani Sainio and Janne Ruokolainen and Giuseppe Resnati and Pierangelo Metrangolo and Olli Ikkala",
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Houbenov, N, Milani, R, Poutanen, M, Haataja, J, Dichiarante, V, Sainio, J, Ruokolainen, J, Resnati, G, Metrangolo, P & Ikkala, O 2014, 'Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale', Nature Communications, vol. 5. https://doi.org/10.1038/ncomms5043

Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale. / Houbenov, Nikolay (Corresponding Author); Milani, Roberto; Poutanen, Mikko; Haataja, Johannes; Dichiarante, Valentina; Sainio, Jani; Ruokolainen, Janne; Resnati, Giuseppe; Metrangolo, Pierangelo (Corresponding Author); Ikkala, Olli (Corresponding Author).

In: Nature Communications, Vol. 5, 2014.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale

AU - Houbenov, Nikolay

AU - Milani, Roberto

AU - Poutanen, Mikko

AU - Haataja, Johannes

AU - Dichiarante, Valentina

AU - Sainio, Jani

AU - Ruokolainen, Janne

AU - Resnati, Giuseppe

AU - Metrangolo, Pierangelo

AU - Ikkala, Olli

N1 - Project code: 77282 Project code: 82422

PY - 2014

Y1 - 2014

N2 - Aligning polymeric nanostructures up to macroscale in facile ways remains a challenge in materials science and technology. Here we show polymeric self-assemblies where nanoscale organization guides the macroscopic alignment up to millimetre scale. The concept is shown by halogen bonding mesogenic 1-iodoperfluoroalkanes to a star-shaped ethyleneglycol-based polymer, having chloride end-groups. The mesogens segregate and stack parallel into aligned domains. This leads to layers at ~10 nm periodicity. Combination of directionality of halogen bonding, mesogen parallel stacking and minimization of interfacial curvature translates into an overall alignment in bulk and films up to millimetre scale. Upon heating, novel supramolecular halogen-bonded polymeric liquid crystallinity is also shown. As many polymers present sites capable of receiving halogen bonding, we suggest generic potential of this strategy for aligning polymer self-assemblies.

AB - Aligning polymeric nanostructures up to macroscale in facile ways remains a challenge in materials science and technology. Here we show polymeric self-assemblies where nanoscale organization guides the macroscopic alignment up to millimetre scale. The concept is shown by halogen bonding mesogenic 1-iodoperfluoroalkanes to a star-shaped ethyleneglycol-based polymer, having chloride end-groups. The mesogens segregate and stack parallel into aligned domains. This leads to layers at ~10 nm periodicity. Combination of directionality of halogen bonding, mesogen parallel stacking and minimization of interfacial curvature translates into an overall alignment in bulk and films up to millimetre scale. Upon heating, novel supramolecular halogen-bonded polymeric liquid crystallinity is also shown. As many polymers present sites capable of receiving halogen bonding, we suggest generic potential of this strategy for aligning polymer self-assemblies.

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