Abstract
Abstract An efficient molecular grafting approach is presented to improve interfacial adhesion of logic circuits by virtue of the valuable molecules chemically linked to polymer surfaces. With spray-assisted layer-by-layer deposition, pure metallic Ag coatings with a thickness of 130 gm adhere well to the PET plastics and the homogeneity of the Ag coatings has been studied. In particular, the peel broken site is estimated inside polyester resin beneath the interface. The fabricated flexible circuits maintain high conductivity under various twisting conditions and bending tests, indicating the possibility of producing robust printed circuits onto flexible substrates.
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