150
Views
1
CrossRef citations to date
0
Altmetric
Research Article

Azimuthal anchoring coefficients of nematic liquid crystals on polystyrene brushes formed at the air surface of block copolymer monolayers

, , & ORCID Icon
Pages 1078-1085 | Received 28 Sep 2019, Accepted 14 Dec 2019, Published online: 03 Jan 2020

References

  • Tsujii Y, Ohno K, Yamamoto S, et al. Structure and properties of high-density polymer brushes prepared by surface-initiated living radical polymerization. Adv Polym Sci. 2006;197:1–45.
  • Tokita M, Sato O, Inagaki Y, et al. High-density poly(methyl methacrylate) brushes as anchoring surfaces of nematic liquid crystals. Jpn J Appl Phys. 2011;50:071701.
  • Sato O, Kasai T, Nomura A, et al. Viscoelastic PS brush surface offering strong anchoring at low temperature and near-zero anchoring at high temperature for LC molecules. Liq Cryst. 2013;40:221–227.
  • Sato O, Kasai T, Sato M, et al. High-density poly(hexyl methacrylate) brushes offering a surface for near-zero azimuthal anchoring of liquid crystals at room temperature. J Mater Chem C. 2013;1:7992–7995.
  • Sato O, Iwata N, Kasai T, et al. Nematic liquid crystal anchoring strengths of high density polymer brush surfaces. Liq Cryst. 2015;42:181–188.
  • Sato O, Iwata N, Kawamura J, et al. An in-plane switching liquid crystal cell with weakly anchored liquid crystals on the electrode substrate. J Mater Chem C. 2017;5:4384–4387.
  • Costa AC, Geoghegan M, Vlček P, et al. Block copolymer adsorption from a homopolymer melt to silicon oxide: effects of nonadsorbing block length and anchoring block-substrate interaction. Macromolecules. 2003;36:9897–9904.
  • Yokoyama H, Miyamae T, Han S, et al. Spontaneously formed hydrophilic surfaces by segregation of block copolymers with water-soluble blocks. Macromolecules. 2005;38:5180–5189.
  • Inutsuka M, Yamada NL, Ito K, et al. High density polymer brush spontaneously formed by the segregation of amphiphilic diblock copolymers to the polymer/water interface. ACS Macro Lett. 2013;2:265–268.
  • Lokitz BS, Wei J, Hinestrosa JP, et al. Manipulating interfaces through surface confinement of poly(glycidyl methacrylate)- block -poly(vinyldimethylazlactone), a dually reactive block copolymer. Macromolecules. 2012;45:6438–6449.
  • Czarnecki S, Bertin A. Hybrid silicon-based organic/inorganic block copolymers with sol–gel active moieties: synthetic advances, self-assembly and applications in biomedicine and materials science. Chem A Eur J. 2018;24:3354–3373.
  • Macoretta D, Rabnawaz M, Grozea CM, et al. Clear antismudge unimolecular coatings of diblock copolymers on glass plates. ACS Appl Mater Interfaces. 2014;6:21435–21445.
  • Park JW, Thomas EL. A surface-reactive rod-coil diblock copolymer: nano- and micropatterned polymer brushes. J Am Chem Soc. 2002;124:514–515.
  • Ruan Y, Gao L, Yao D, et al. Polymer-grafted nanoparticles with precisely controlled structures. ACS Macro Lett. 2015;4:1067–1071.
  • Mark JE, editor. Physical properties of polymers handbook. New York, NY: Springer; 2007.
  • Li XT, Pei DH, Kobayashi S, et al. Measurement of azimuthal anchoring energy at liquid crystal/photopolymer interface. Jpn J Appl Phys. 1997;36:L432–L434.
  • Okubo K, Kimura M, Akahane T. Measurement of genuine azimuthal anchoring energy in consideration of liquid crystal molecular adsorption on alignment film. Jpn J Appl Phys. 2003;42:6428–6433.
  • Faetti S, Marianelli P. Strong azimuthal anchoring energy at a nematic-polyimide interface. Phys Rev E. 2005;72:051708.
  • Sato O, Okuno H, Adachi I, et al. Novel in-plane switching liquid crystal display with an extremely high transmittance using a well-designed bottlebrush as a zero-azimuth anchoring material. Jpn J Appl Phys. 2019;58:066503.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.