Chemical Vapor Deposition of Ionic Liquids for the Fabrication of Ionogel Films and Patterns

Martin Obst, Giel Arnauts, Alexander John Cruz, Maider Calderon Gonzalez, Kristof Marcoen, Tom Hauffman, Rob Ameloot

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
19 Downloads (Pure)

Abstract

Film deposition and high-resolution patterning of ionic liquids (ILs) remain a challenge, despite a broad range of applications that would benefit from this type of processing. Here, we demonstrate for the first time the chemical vapor deposition (CVD) of ILs. The IL-CVD method is based on the formation of a non-volatile IL through the reaction of two vaporized precursors. Ionogel micropatterns can be easily obtained via the combination of IL-CVD and standard photolithography, and the resulting microdrop arrays can be used as microreactors. The IL-CVD approach will facilitate leveraging the properties of ILs in a range of applications and microfabricated devices.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalAngewandte Chemie - International Edition
Volume60
Issue number49
DOIs
Publication statusPublished - 3 Sep 2021

Keywords

  • chemical vapor deposition
  • ionic liquid
  • ionogel
  • micropattern
  • photolitography

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