Towards organization of molecular machines at interfaces: Langmuir films and langmuir-blodgett multilayers of an acid-base switchable rotaxane

Miguel Clemente-León*, Alberto Credi, Maria Victoria Martínez-Díaz, Christophe Mingotaud, J. Fraser Stoddart

*Corresponding author for this work

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

The organization of a non-amphiphilic tricationic switchable rotaxane and its dumbbell-shaped component into Langmuir films and Langmuir-Blodgett (LB) multilayers using a cospreading strategy, is investigated. The Langmuir films have been characterized by surface pressure-area isotherms, and subsequently transferred onto indium tin oxide (ITO) or CaF2 supports to form LB multilayers. The monolayers were transferred onto solid supports for spectroscopic and electrochemical investigations. Comparison of the rotaxane- and dumbbell-containing multilayers suggests that the switching process is related mainly to a rearrangement of the films.

Original languageEnglish (US)
Pages (from-to)1291-1296
Number of pages6
JournalAdvanced Materials
Volume18
Issue number10
DOIs
StatePublished - May 15 2006

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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