title: Highly transparent multifunctional bilayer coatings on polymers using low-temperature atmospheric plasma deposition.
abstract: We report on the synthesis of hard, adhesive, and highly transparent bilayer organosilicate thin films on large poly(methyl methacrylate) substrates by atmospheric plasma, in ambient air, at room temperature, in a one-step process, using a single precursor. The method overcomes the challenge of fabricating coatings with high mechanical and interfacial properties in a one-step process. The bottom layer is a carbon-bridged hybrid silica with excellent adhesion with the poly(methyl methacrylate) substrate, and the top layer is a dense silica with high Young’s modulus, hardness, and scratch resistance. The bilayer structure exhibited ~100% transmittance in the visible wavelength range, twice the adhesion energy and three times the Young’s modulus of commercial polysiloxane sol–gel coatings.
authors.forename: Linying
authors.initials: L
authors.lastname: Cui
authors.forename: Krystelle
authors.initials: K
authors.lastname: Lionti
authors.forename: Alpana
authors.initials: A
authors.lastname: Ranade
authors.forename: Kjersta
authors.initials: K
authors.lastname: Larson-Smith
authors.forename: Geraud Jean-michel
authors.initials: GJ
authors.lastname: Dubois
authors.forename: Reinhold H
authors.initials: RH
authors.lastname: Dauskardt