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Article

Efficient Inkjet Printing of Graphene-Based Elements: Influence of Dispersing Agent on Ink Viscosity

1
Faculty of Mechatronics, Warsaw University of Technology, Andrzeja Boboli 8, 02-525 Warsaw, Poland
2
Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland
3
Tele and Radio Research Institute, Ratuszowa 11, 03-450 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Nanomaterials 2018, 8(8), 602; https://doi.org/10.3390/nano8080602
Received: 10 July 2018 / Revised: 20 July 2018 / Accepted: 27 July 2018 / Published: 8 August 2018
(This article belongs to the Special Issue Inkjet Printing of Nanomaterials)
Inkjet printing is an excellent printing technique and an attractive alternative to conventional technologies for the production of flexible, low-cost microelectronic devices. Among many parameters that have a significant impact on the correctness of the printing process, the most important is ink viscosity. During the printing process, the ink is influenced by different strains and forces, which significantly change the printing results. The authors present a model and calculations referring to the shear rate of ink in an inkjet printer nozzle. Supporting experiments were conducted, proving the model assumptions for two different ink formulations: initial ink and with the addition of a dispersing agent. The most important findings are summarized by the process window regime of parameters, which is much broader for the inks with a dispersing agent. Such inks exhibit preferable viscosity, better print-ability, and higher path quality with lower resistivity. Presented results allow stating that proper, stable graphene inks adjusted for inkjet technique rheology must contain modifiers such as dispersing agents to be effectively printed. View Full-Text
Keywords: graphene nanoplatelets; graphene inks; inkjet printing; inks viscosity; dispersant agents graphene nanoplatelets; graphene inks; inkjet printing; inks viscosity; dispersant agents
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MDPI and ACS Style

Dybowska-Sarapuk, L.; Kielbasinski, K.; Arazna, A.; Futera, K.; Skalski, A.; Janczak, D.; Sloma, M.; Jakubowska, M. Efficient Inkjet Printing of Graphene-Based Elements: Influence of Dispersing Agent on Ink Viscosity. Nanomaterials 2018, 8, 602. https://doi.org/10.3390/nano8080602

AMA Style

Dybowska-Sarapuk L, Kielbasinski K, Arazna A, Futera K, Skalski A, Janczak D, Sloma M, Jakubowska M. Efficient Inkjet Printing of Graphene-Based Elements: Influence of Dispersing Agent on Ink Viscosity. Nanomaterials. 2018; 8(8):602. https://doi.org/10.3390/nano8080602

Chicago/Turabian Style

Dybowska-Sarapuk, Lucja, Konrad Kielbasinski, Aneta Arazna, Konrad Futera, Andrzej Skalski, Daniel Janczak, Marcin Sloma, and Malgorzata Jakubowska. 2018. "Efficient Inkjet Printing of Graphene-Based Elements: Influence of Dispersing Agent on Ink Viscosity" Nanomaterials 8, no. 8: 602. https://doi.org/10.3390/nano8080602

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