High-speed imaging and evolution dynamics of laser induced deposition of conductive inks (Conference Presentation)

Marina Makrygianni; Symeon Papazoglou; Filimonas Zacharatos; Stavros Chatzandroulis; Ioanna Zergioti

doi:10.1117/12.2250514

19 April 2017 High-speed imaging and evolution dynamics of laser induced deposition of conductive inks (Conference Presentation)

Marina Makrygianni, Symeon Papazoglou, Filimonas Zacharatos, Stavros Chatzandroulis, Ioanna Zergioti

Author Affiliations +

Proceedings Volume 10095, Laser 3D Manufacturing IV; 1009505 (2017) https://doi.org/10.1117/12.2250514
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

During the last decade there is an ever-increasing interest for the study of laser processes dynamics and specifically of the Laser Induced Forward Transfer (LIFT) technique, since the evolution of the phenomena under investigation may provide real time metrology in terms of jet velocity, adjacent jet interaction and impact pressure. The study of such effects leads to a more thorough understanding of the deposition process, hence to an improved printing outcome and in these frames, this work presents a study on the dynamics of LIFT for conductive nanoparticles inks using high-speed imaging approaches. Moreover, in this study, we investigated the printing regimes and the printing quality during the transfer of copper (Cu) nanoink, which is a metallic nanoink usually employed in interconnect formation as well as the printing of silver nanowires, which provide transparency and may be used in applications where transparent electrodes are needed as in photovoltaics, batteries, etc. Furthermore, we demonstrate the fabrication of an all laser printed resistive chemical sensor device that combines Ag nanoparticles ink and graphene oxide, for the detection of humidity fabricated on a flexible polyimide substrate. The sensor device architecture was able to host multiple pairs of electrodes, where Ag nanoink or nanopaste were laser printed, to form the electrodes as well as the electrical interconnections between the operating device and the printed circuit board. Performance evaluation was conducted upon flow of different concentrations of humidity vapors to the sensor, and good response (500 ppm limit of detection) with reproducible operation was observed.

Conference Presentation

Citation Download Citation

Marina Makrygianni, Symeon Papazoglou, Filimonas Zacharatos, Stavros Chatzandroulis, and Ioanna Zergioti "High-speed imaging and evolution dynamics of laser induced deposition of conductive inks (Conference Presentation)", Proc. SPIE 10095, Laser 3D Manufacturing IV, 1009505 (19 April 2017); https://doi.org/10.1117/12.2250514

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KEYWORDS

Printing

Electrodes

High speed imaging

Silver

Laser metrology

Copper

Humidity

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