title: Photo-tuning of highly selective wetting in inverse opals.
abstract: Crack-free inverse opals exhibit a sharply defined threshold wettability for infiltration that has enabled their use as colourimetric indicators for liquid identification. Here we demonstrate direct and continuous photo-tuning of this wetting threshold in inverse opals whose surfaces are functionalized with a polymer doped with azobenzene chromophores.
authors.affiliation: Department of Chemistry, McGill University, Montreal, Quebec H3A 0B8, Canada.
authors.forename: Thomas A
authors.initials: TA
authors.lastname: Singleton
authors.forename: Ian B
authors.initials: IB
authors.lastname: Burgess
authors.forename: Bryan A
authors.initials: BA
authors.lastname: Nerger
authors.forename: Alexis
authors.initials: A
authors.lastname: Goulet-Hanssens
authors.forename: Natalie
authors.initials: N
authors.lastname: Koay
authors.forename: Christopher J
authors.initials: CJ
authors.lastname: Barrett
authors.forename: Joanna
authors.initials: J
authors.lastname: Aizenberg
mesh_terms: D001391:Azo Compounds / Q000737:chemistry*; D008903:Minerals / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*; D013499:Surface Properties; D017155:Wettability
chemical_list: D001391:Azo Compounds; D008903:Minerals; D011108:Polymers; C009850:azobenzene