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Patterned Metal/Polymer Composite Film with Good Mechanical Stability and Repeatability for Flexible Electronic Devices Using Nanoimprint Technology

Institue of Nano Engineering, College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266590, China
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Micromachines 2019, 10(10), 651; https://doi.org/10.3390/mi10100651
Received: 5 September 2019 / Revised: 19 September 2019 / Accepted: 27 September 2019 / Published: 27 September 2019
(This article belongs to the Special Issue Fabrication and application of micro/nano-textured surfaces)
Mechanical stability and repeatability are significant factors for the application of metal film flexible electronic devices. In this work, patterned metal/polymer composite films with good mechanical stability and repeatability were fabricated through nanoimprint technology. The mechanical properties characteristic of metal/polymer composite films were exhibited by resistance change (ΔR/R0) after cyclic tension and bending loading. It was found that the ΔR/R0 and error line of patterned metal/polymer composite film was far lower than the other control groups for repeated experiments, which indicates that patterned metal film has excellent mechanical properties and repeatability. The double cantilever beam method was employed to measure the interfacial adhesion properties of composite films. The average interfacial adhesion of patterned metal/polymer composite films is shown to be over 2.9 and 2.2 times higher than that of metal film deposited on bare polymer and metal nanowire-treated polymer substrates, respectively. View Full-Text
Keywords: patterned metal/polymer composite; mechanical properties; interfacial adhesion properties; repeatability; nanoimprint technology patterned metal/polymer composite; mechanical properties; interfacial adhesion properties; repeatability; nanoimprint technology
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Zheng, X.; Wang, Q.; Luan, J.; Li, Y.; Wang, N. Patterned Metal/Polymer Composite Film with Good Mechanical Stability and Repeatability for Flexible Electronic Devices Using Nanoimprint Technology. Micromachines 2019, 10, 651.

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