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Inkjet-printed silver nanoparticles on nano-engineered cellulose films for electrically conducting structures and organic transistors:: concept and challenges
RISE, Innventia, PFI – Paper and Fiber Research Institute.ORCID iD: 0000-0002-6183-2017
Åbo Akademi University, Finland.
Åbo Akademi University, Finland.
2012 (English)In: Journal of nanoparticle research, ISSN 1388-0764, E-ISSN 1572-896X, Vol. 14, no 11, article id 1213Article in journal (Refereed) Published
Abstract [en]

This study explores the suitability of microfibrillated cellulose (MFC) films as a substrate for printing electrically conductive structures and multilayer electronic structures such as organic field effect transistors. Various MFC qualities were tested, including mechanically produced MFC, 2,2,6,6-tetramethylpiperidinyl- 1-oxyl pre-treated MFC and carboxymethylated- MFC. The films differed significantly with respect to the surface structure. In addition, the carboxymethylated-MFC films were surface modified with hexamethyldisilazane (HMDS) to reduce the water-wettability of the films, and thus, improve the print resolution of the inkjet-printed silver (Ag) nanoparticles. The Ag-particles (diameter>50 nm) were printed on the HMDS-modified films, which were mainly composed of nanofibrils with diameters >20 nm. The effect of surface roughness and surface chemical characteristics on the ink spreading and print resolution of the Ag-structures was explored. It was demonstrated that organic transistors operating at low voltages can be fabricated on nano-engineered MFC films.

Place, publisher, year, edition, pages
2012. Vol. 14, no 11, article id 1213
Keywords [en]
Barriers, Cellulose, Characterization, Films, Nanoparticles, Organic transistors, Polymers, Porous materials, Surface modification
National Category
Nano Technology Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-9605DOI: 10.1007/s11051-012-1213-xScopus ID: 2-s2.0-84866725362OAI: oai:DiVA.org:ri-9605DiVA, id: diva2:968358
Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2023-05-17Bibliographically approved

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Chinga-Carrasco, Gary

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