Display options
Cite
Mukherjee A, Ankit K, Reiter A, et al. Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways. Phys Chem Chem Phys. 2016;18(36):25609-25620doi: 10.1039/c6cp04903f.
Mukherjee, A., Ankit, K., Reiter, A., Selzer, M., & Nestler, B. (2016). Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways. Physical chemistry chemical physics : PCCP, 18(36), 25609-25620. https://doi.org/10.1039/c6cp04903f
Mukherjee, Arnab, et al. "Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways." Physical chemistry chemical physics : PCCP vol. 18,36 (2016): 25609-25620. doi: https://doi.org/10.1039/c6cp04903f
Mukherjee A, Ankit K, Reiter A, Selzer M, Nestler B. Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways. Phys Chem Chem Phys. 2016 Sep 14;18(36):25609-25620. doi: 10.1039/c6cp04903f. PMID: 27722519.
Copy Download .nbib Format: NLM
Share it on

Phys Chem Chem Phys. 2016 Sep 14;18(36):25609-25620. doi: 10.1039/c6cp04903f.

Electric-field-induced lamellar to hexagonally perforated lamellar transition in diblock copolymer thin films: kinetic pathways.

Physical chemistry chemical physics : PCCP

Arnab Mukherjee, Kumar Ankit, Andreas Reiter, Michael Selzer, Britta Nestler

Affiliations

  1. Institute of Materials and Processes, Karlsruhe University of Applied Sciences, Moltkestr. 30, 76133, Karlsruhe, Germany. [email protected] and Institute of Applied Materials - Computational Materials Science, Karlsruhe Institute of Technology, Haid-und-Neu str. 7, 76131, Karlsruhe, Germany.
  2. Institute of Applied Materials - Computational Materials Science, Karlsruhe Institute of Technology, Haid-und-Neu str. 7, 76131, Karlsruhe, Germany.

PMID: 27722519 DOI: 10.1039/c6cp04903f

Abstract

Symmetric block-copolymers, hitherto, are well known to evolve into parallel, perpendicular and mixed lamellar morphologies under the concomitant influence of an electric field and substrate affinity. In the present work, we show that an additional imposed confinement can effectuate a novel parallel lamellar to hexagonally perforated lamellar (HPL) transition in monolayer and bilayer films. Three dimensional numerical studies are performed using the Ohta-Kawasaki functional, complemented with an exact solution of Maxwell's equation. HPL is shown to stabilize at large substrate affinity in a narrow region of the phase diagram between parallel and perpendicular lamellar transitions in ultra-thin films. Additionally, we also identify perforated lamellae as intermediate structures during parallel-to-perpendicular lamellar transition. A systematic analysis using Minkowski functionals yields deeper insights into the associated kinetic pathways.

Publication Types