title: Air/water interfacial formation of freestanding, stimuli-responsive, self-healing catecholamine Janus-faced microfilms.
abstract: A catecholamine freestanding film is discovered to be spontaneously formed at the air-water interface, and the film has unique properties of robust surface adhesiveness, self-healing, and stimuli-responsive properties. The interfacial film-producing procedure is a simple single step containing polyamines and catechol(amine)s. It is found that oxygen-rich regions existing at an air-water interface greatly accelerate the catecholamine crosslinking reaction.
authors.affiliation: Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291, University Rd, Daejeon, 305-701, South Korea.
authors.forename: Seonki
authors.initials: S
authors.lastname: Hong
authors.forename: Clemens F
authors.initials: CF
authors.lastname: Schaber
authors.forename: Kirstin
authors.initials: K
authors.lastname: Dening
authors.forename: Esther
authors.initials: E
authors.lastname: Appel
authors.forename: Stanislav N
authors.initials: SN
authors.lastname: Gorb
authors.forename: Haeshin
authors.initials: H
authors.lastname: Lee
mesh_terms: D000388:Air; D002244:Carbon / Q000737:chemistry; D002395:Catecholamines / Q000737:chemistry*; D055119:Elastic Modulus; D017276:Friction; D007477:Ions / Q000737:chemistry; D018625:Microscopy, Atomic Force; D018613:Microscopy, Confocal; D008855:Microscopy, Electron, Scanning; D010100:Oxygen / Q000737:chemistry; D011073:Polyamines / Q000737:chemistry; D011143:Polyvinyl Chloride / Q000737:chemistry; D011312:Pressure; D012828:Silicones / Q000737:chemistry; D012834:Silver / Q000737:chemistry; D013057:Spectrum Analysis; D013499:Surface Properties; D014867:Water / Q000737:chemistry*
chemical_list: D002395:Catecholamines; D007477:Ions; D011073:Polyamines; D012828:Silicones; D014867:Water; D012834:Silver; D002244:Carbon; D011143:Polyvinyl Chloride; D010100:Oxygen
keywords: air-water interface; catecholamine; polymeric films; self-healing; stimuli-responsive