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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/120455
Flexible Hybrid Circuit Fully Inkjet-Printed: Surface Mount Devices Assembled by Silver Nanoparticles-Based Inkjet Ink
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Nowadays, inkjet-printed devices such as transistors are still unstable in air and have poor performances. Moreover, the present electronics applications require a high degree of reliability and quality of their properties. In order to accomplish these application requirements, hybrid electronics is fulfilled by combining the advantages of the printing technologies with the surface-mount technology. In this work, silver nanoparticle-based inkjet ink (AgNP ink) is used as a novel approach to connect surface-mount devices (SMDs) onto inkjet-printed pads, conducted by inkjet printing technology. Excellent quality AgNP ink-junctions are ensured with high resolution picoliter drop jetting at low temperature (∼150 °C). Electrical, mechanical, and morphological characterizations are carried out to assess the performance of the AgNP ink junction. Moreover, AgNP ink is compared with common benchmark materials (i.e., silver epoxy and solder). Electrical contact resistance characterization shows a similar performance between the AgNP ink and the usual ones. Mechanical characterization shows comparable shear strength for AgNP ink and silver epoxy, and both present higher adhesion than solder. Morphological inspections by field-emission scanning electron microscopy confirm a high quality interface of the silver nanoparticle interconnection. Finally, a flexible hybrid circuit on paper controlled by an Arduino board is manufactured, demonstrating the viability and scalability of the AgNP ink assembling technique.
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ARRESE, Javier, et al. Flexible Hybrid Circuit Fully Inkjet-Printed: Surface Mount Devices Assembled by Silver Nanoparticles-Based Inkjet Ink. Journal of Applied Physics. 2017. Vol. 121, num. 10, pags. 104904-1-104904-9. ISSN 0021-8979. [consulted: 17 of June of 2026]. Available at: https://hdl.handle.net/2445/120455