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Photoconductive zinc oxide-composite paper by pilot paper machine manufacturing
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering. Acreo Swedish ICT, Norrköping, Sweden; .
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
Innventia AB, Stockholm, Sweden.
Acreo Swedish ICT, Norrköping, Sweden.
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2016 (English)In: Flexible and printed electronics, ISSN 2058-8585, Vol. 1, no 4, article id 044003Article in journal (Refereed) Published
Abstract [en]

Smartmaterials can be used for awide variety of applications, including sensing and energy harvesting.Implementation of smartmaterials in large area devices requires scalablemanufacturing. The use ofpaper-making techniques would offer an enormous production capacity, allowing for low-cost andlarge-scalemanufacturing. In thisworkwe present a successful pilot scale papermachinemanufacturingof functional composite papers (100mmin−1 with aweb width of 30 cm) based on cellulose fibres andcommercial tetrapodal zinc oxidemicrowhiskers (ZnO-Ts).Carbon electrodes could successfully beprinted on the paper to form complete electronic devices where the paper itself is the active material.Thisenabled development of aZnO-composite paper photosensor,where we characterized its stability,sensitivity and speed. The devices show excellent photosensing properties over awide range of lightirradiances (0.01–1Sun), including short response times (∼10 s) and long-term stability. Under simulatedsunlight and a bias voltage of 1 V, small (0.5 cm2) two-probe interdigitated photosensor devices provided12 μAphotocurrent.Under the same conditions, four-probe measurements of the composite papershowed a sheet resistance of 6.9·107Ω/sq. Four-probe measurements also demonstrated that the paperconductivity varies linearlywith light irradiance. To the best of ourknowledge, this is the first example ofpilot paper machine production of an optoelectronic paper, demonstrating the potential for large-scalepapermanufacturing of active smart paper from low-cost industrial bulk materials.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2016. Vol. 1, no 4, article id 044003
Keyword [en]
smart materials, paper making, photosensor, zinc oxide, scalability, optoelectronics
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-143683DOI: 10.1088/2058-8585/1/4/044003OAI: oai:DiVA.org:liu-143683DiVA, id: diva2:1165820
Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2018-01-11

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Sandberg, MatsTordera, DanielBerggren, MagnusJonsson, Magnus P
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