Directed self-assembly of block copolymers on sparsely nanopatterned substrates

Peng Chen*, Haojun Liang, Ru Xia, Jiasheng Qian, Xiaoshuang Feng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Using real-space self-consistent field theory calculations (SCFT), directed self-assembly of block copolymers was explored on sparsely nanopatterned substrates. In this study, the lamellar structure forming block copolymers are confined between two surfaces. The top surface is strictly neutral, and the bottom one is periodically patterned with neutral interspacing (nanopattern), which forms a sparsely nanopatterned substrate. The dimension of nanopatterns is commensurate with periods of lamellar structure of the block copolymers self-assembling in bulk. By systematically varying the film thickness and interspacing between nanopatterns, the density multiplication of nanopattern in the film was investigated, and a variety of nanostructures not available in bulk (nonbulk structures) were observed.

Original languageEnglish (US)
Pages (from-to)922-926
Number of pages5
JournalMacromolecules
Volume46
Issue number3
DOIs
StatePublished - Feb 12 2013
Externally publishedYes

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry

Fingerprint Dive into the research topics of 'Directed self-assembly of block copolymers on sparsely nanopatterned substrates'. Together they form a unique fingerprint.

Cite this