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Directed Self-Assembly of Poly(2-vinylpyridine)-b-polystyrene-b-poly(2-vinylpyridine) Triblock Copolymer with Sub-15 nm Spacing Line Patterns Using a Nanoimprinted Photoresist Template

  • Zhiwei Sun
  • , Zhenbin Chen
  • , Wenxu Zhang
  • , Jaewon Choi
  • , Caili Huang
  • , Gajin Jeong
  • , E. Bryan Coughlin
  • , Yautzong Hsu
  • , Xiaomin Yang
  • , Kim Y. Lee
  • , David S. Kuo
  • , Shuaigang Xiao
  • , Thomas P. Russell
  • University of Massachusetts
  • Lanzhou University of Technology
  • Seagate Technology

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

Low molecular weight P2VP-b-PS-b-P2VP triblock copolymer (poly(2-vinlypyridine)-block-polystyrene-block-poly(2-vinylpyridine)] is doped with copper chloride and microphase separated into lamellar line patterns with ultrahigh area density. Salt-doped P2VP-b-PS-b-P2VP triblock copolymer is self-assembled on the top of the nanoimprinted photoresist template, and metallic nanowires with long-range ordering are prepared with platinum-salt infiltration and plasma etching.

Original languageEnglish
Pages (from-to)4364-4370
Number of pages7
JournalAdvanced Materials
Volume27
Issue number29
DOIs
StatePublished - 1 Aug 2015

Keywords

  • directed self-assembly
  • lamellar block copolymers
  • nanoimprint photoresist templates
  • salt complexes
  • solvent vapor annealing

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