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A Multiparameter Pressure–Temperature–Humidity Sensor Based on Mixed Ionic–Electronic Cellulose Aerogels
Linköping University, Sweden.
Linköping University, Sweden.
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.ORCID iD: 0000-0003-0838-3977
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2019 (English)In: Advanced Science, ISSN 2198-3844, article id 1802128Article in journal (Refereed) Published
Abstract [en]

Pressure (P), temperature (T), and humidity (H) are physical key parameters of great relevance for various applications such as in distributed diagnostics, robotics, electronic skins, functional clothing, and many other Internet-of-Things (IoT) solutions. Previous studies on monitoring and recording these three parameters have focused on the integration of three individual single-parameter sensors into an electronic circuit, also comprising dedicated sense amplifiers, signal processing, and communication interfaces. To limit complexity in, e.g., multifunctional IoT systems, and thus reducing the manufacturing costs of such sensing/communication outposts, it is desirable to achieve one single-sensor device that simultaneously or consecutively measures P–T–H without cross-talks in the sensing functionality. Herein, a novel organic mixed ion–electron conducting aerogel is reported, which can sense P–T–H with minimal cross-talk between the measured parameters. The exclusive read-out of the three individual parameters is performed electronically in one single device configuration and is enabled by the use of a novel strategy that combines electronic and ionic Seebeck effect along with mixed ion–electron conduction in an elastic aerogel. The findings promise for multipurpose IoT technology with reduced complexity and production costs, features that are highly anticipated in distributed diagnostics, monitoring, safety, and security applications. © 2019 The Authors.

Place, publisher, year, edition, pages
2019. article id 1802128
Keywords [en]
Pressure, temperature, humdity, sensor, cellulose, aerogel, Internet of Things
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-37838DOI: 10.1002/advs.201802128Scopus ID: 2-s2.0-85061242830OAI: oai:DiVA.org:ri-37838DiVA, id: diva2:1292549
Available from: 2019-02-28 Created: 2019-02-28 Last updated: 2019-03-05Bibliographically approved

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Publisher's full textScopushttps://onlinelibrary.wiley.com/doi/epdf/10.1002/advs.201802128

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Granberg, Hjalmar

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