3-D molecular architectures in thin film liquid crystalline networks

D.J. Broer, Johan Lub, G.N. Mol

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic

Abstract

In-situ photopolymerization of polyfunctional liquid-crystalline monomers leads to anisotropic networks with a well-controlled and stable molecular organization. By polymerizing chiral monomers cholesteric networks are formed. The pitch of the molecular helix in these networks can be controlled between 180 nm and infinity. By a special process making use of photo-induced diffusion during the polymerization process, cholesteric networks are made with a pitch that varies gradually over the thickness of the film. These films may be optimized on reflection of circularly polarized light over the entire visible spectrum. The films are highly useful as non-absorbing polarizers for power-efficient liquid crystal displays.
LanguageEnglish
Title of host publicationChemical and physical networks
EditorsK. Nijenhuis, te, W.J. Mijs
Place of PublicationNew York
PublisherWiley
Pages361-375
ISBN (Print)0-471-97344-0
StatePublished - 1998

Publication series

NameThe Wiley Polymer Networks Group review series
Volume1

Fingerprint

liquids
thin films
monomers
polarizers
visible spectrum
helices
infinity
polarized light
polymerization
liquid crystals

Cite this

Broer, D. J., Lub, J., & Mol, G. N. (1998). 3-D molecular architectures in thin film liquid crystalline networks. In K. Nijenhuis, te, & W. J. Mijs (Eds.), Chemical and physical networks (pp. 361-375). (The Wiley Polymer Networks Group review series; Vol. 1). New York: Wiley.
Broer, D.J. ; Lub, Johan ; Mol, G.N./ 3-D molecular architectures in thin film liquid crystalline networks. Chemical and physical networks. editor / K. Nijenhuis, te ; W.J. Mijs. New York : Wiley, 1998. pp. 361-375 (The Wiley Polymer Networks Group review series).
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Broer, DJ, Lub, J & Mol, GN 1998, 3-D molecular architectures in thin film liquid crystalline networks. in K Nijenhuis, te & WJ Mijs (eds), Chemical and physical networks. The Wiley Polymer Networks Group review series, vol. 1, Wiley, New York, pp. 361-375.

3-D molecular architectures in thin film liquid crystalline networks. / Broer, D.J.; Lub, Johan; Mol, G.N.

Chemical and physical networks. ed. / K. Nijenhuis, te; W.J. Mijs. New York : Wiley, 1998. p. 361-375 (The Wiley Polymer Networks Group review series; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › Academic

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AB - In-situ photopolymerization of polyfunctional liquid-crystalline monomers leads to anisotropic networks with a well-controlled and stable molecular organization. By polymerizing chiral monomers cholesteric networks are formed. The pitch of the molecular helix in these networks can be controlled between 180 nm and infinity. By a special process making use of photo-induced diffusion during the polymerization process, cholesteric networks are made with a pitch that varies gradually over the thickness of the film. These films may be optimized on reflection of circularly polarized light over the entire visible spectrum. The films are highly useful as non-absorbing polarizers for power-efficient liquid crystal displays.

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Broer DJ, Lub J, Mol GN. 3-D molecular architectures in thin film liquid crystalline networks. In Nijenhuis, te K, Mijs WJ, editors, Chemical and physical networks. New York: Wiley. 1998. p. 361-375. (The Wiley Polymer Networks Group review series).