화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.52, 73-81, August, 2017
Molecular grafting to improve adhesion of spray-deposited circuits on polymeric surface for flexible electronics
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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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