Synthesis, Self-Assembly, and Applications of Block Copolymers

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Chemistry".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2071

Special Issue Editor


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Guest Editor
Division of Advanced Materials Engineering, Kongju National University, Cheonan 31080, Republic of Korea
Interests: block copolymer nanolithography; colloidal crystals; colorless polyimide film for flexible/foldable display

Special Issue Information

Dear Colleagues,

Nanomanufacturing with high efficiency and low cost is a key technology for next-generation electronic/photonic/energy devices. Block copolymers (BCPs) have been extensively studied for decades due to their ability to generate ordered nanoscale patterns induced by microphase separation.

Recent progress in block copolymer synthesis, templating, and processing has enabled sub-7nm patterns with a high degree of controllability bringing BCPs closer to practical applications in nanolithography. Moreover, the delicate design of block copolymer molecules/morphology, and the development of various block copolymer-based nanocomposites are expanding their application fields to organic photovoltaics/semiconductor, display, catalysis, filtration, sensor, energy device, and biomedical applications.

This Special Issue will cover a wide range of recent developments in block copolymer research, including, but not limited to, the design of block copolymer molecules, modeling, directed self-assembly, block copolymer particles, multiblock copolymers, and their potential applications.

Dr. Hong Kyoon Choi
Guest Editor

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Keywords

  • block copolymers
  • self-assembly
  • directed self-assembly
  • block copolymer nanolithography
  • long rage ordering of block copolymers
  • 3D structures of block copolymers
  • applications of block copolymer
  • synthesis of block copolymer
  • simulation of block copolymer
  • block copolymer nanocomposite
  • multi-block copolymers
  • block copolymer particles
  • sub-10nm block copolymer lithography
  • hierarchical pattering of block copolymer
  • pattern transfer
  • block copolymer defect analysis
  • characterization of block coplymers

Published Papers (1 paper)

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Research

12 pages, 3627 KiB  
Article
Dewetting-Induced Hierarchical Self-Assembly of Block Copolymers Templated by Colloidal Crystals
by Dong Hwan Kim, Hong Gu Kwon and Hong Kyoon Choi
Polymers 2023, 15(4), 897; https://doi.org/10.3390/polym15040897 - 11 Feb 2023
Cited by 1 | Viewed by 1857
Abstract
Recent advances in high-performance flexible electronic devices have increased the demand for more diverse and complex nanofabrication methods; high-resolution, high-efficiency, and low-cost patterning strategies for next-generation devices are therefore required. In this study, we demonstrate the formation of dewetting-induced hierarchical patterns using two [...] Read more.
Recent advances in high-performance flexible electronic devices have increased the demand for more diverse and complex nanofabrication methods; high-resolution, high-efficiency, and low-cost patterning strategies for next-generation devices are therefore required. In this study, we demonstrate the formation of dewetting-induced hierarchical patterns using two self-assembled materials: block copolymers (BCPs) and colloidal crystals. The combination of the two self-assembly methods successfully generates multiscale hierarchical patterns because the length scales of the periodic colloidal crystal structures are suitable for templating the BCP patterns. Various concentric ring patterns were observed on the templated BCP films, and a free energy model of the polymer chain was applied to explain the formation of these patterns relative to the template width. Frequently occurring spiral-defective features were also examined and found to be promoted by Y-junction defects. Full article
(This article belongs to the Special Issue Synthesis, Self-Assembly, and Applications of Block Copolymers)
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