Hand-drawn resistors, capacitors, diodes, and circuits for a pressure sensor system on paper

Costa, Júlio C, Wishahi, Amir, Pouryazdan, Arash, Nock, Martin and Münzenrieder, Niko (2018) Hand-drawn resistors, capacitors, diodes, and circuits for a pressure sensor system on paper. Advanced Electronic Materials, 4 (5). p. 1700600. ISSN 2199-160X

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Abstract

Hand-written fabrication techniques offer new ways of developing customizable, biodegradable and low-cost electronic systems. In this work, a new level of complexity is demonstrated for hand-written electronics by fabricating passive components, circuits and a sensorsystem on paper. The system comprises a pencil-written graphite force-sensitive-resistor, a pencil-drawn RC-filter, a pen-written half-wave rectifier, and a commercial front-end voltage amplifier. The sensor system exhibits a linear response for pressures up to 1.2 kPa, and a sensitivity of 51 mV kPa-1 . Furthermore, the electrical and mechanical performance of the single components and circuits is studied. Diodes fabricated through pen-written deposition of silver and nickel contacts on amorphous Indium-Gallium-Zinc-Oxide coated paper show rectification ratios up to 1:8. Tensile and compressive bending measurements applied to all pencil-written components for radii down to 0.1 mm indicate minor influence of strain. Similar results are obtained for circuits created from these individual components. Diodes and half-wave rectifiers show a stable behavior when bent to a radius of 5 mm. The presented techniques can enable the development of flexible and eco-friendly wearables and sensors for consumer and healthcare applications, and are an effective way for school-pupils to explore the world of electronics.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Research Centres and Groups: Sensor Technology Research Centre
Depositing User: Julio Costa
Date Deposited: 12 Feb 2018 09:59
Last Modified: 03 Jul 2018 12:52
URI: http://sro.sussex.ac.uk/id/eprint/73460

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