Thermodynamics versus kinetics dichotomy in the linear self-assembly of mixed nanoblocks

L. Ruiz, S. Keten*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We report classical and replica exchange molecular dynamics simulations that establish the mechanisms underpinning the growth kinetics of a binary mix of nanorings that form striped nanotubes via self-assembly. A step-growth coalescence model captures the growth process of the nanotubes, which suggests that high aspect ratio nanostructures can grow by obeying the universal laws of self-similar coarsening, contrary to systems that grow through nucleation and elongation. Notably, striped patterns do not depend on specific growth mechanisms, but are governed by tempering conditions that control the likelihood of depropagation and fragmentation.

Original languageEnglish (US)
Pages (from-to)2021-2026
Number of pages6
JournalJournal of Physical Chemistry Letters
Volume5
Issue number11
DOIs
StatePublished - Jun 5 2014

Keywords

  • growth kinetics
  • nanotubes
  • patterned structure
  • self-assembly
  • supramolecular

ASJC Scopus subject areas

  • Materials Science(all)
  • Physical and Theoretical Chemistry

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