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Thermodiffusion-Assisted Pyroelectrics-Enabling Rapid and Stable Heat and Radiation Sensing
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-8845-6296
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-7016-6514
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2019 (English)In: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 29, no 28, article id 1900572Article in journal (Refereed) Published
Abstract [en]

Sensors for monitoring temperature, heat flux, and thermal radiation are essential for applications such as electronic skin. While pyroelectric and thermoelectric effects are suitable candidates as functional elements in such devices, both concepts show individual drawbacks in terms of zero equilibrium signals for pyroelectric materials and small or slow response of thermoelectric materials. Here, these drawbacks are overcome by introducing the concept of thermodiffusion-assisted pyroelectrics, which combines and enhances the performance of pyroelectric and ionic thermoelectric materials. The presented integrated concept provides both rapid initial response upon heating and stable synergistically enhanced signals upon prolonged exposure to heat stimuli. Likewise, incorporation of plasmonic metasurfaces enables the concept to provide both rapid and stable signals for radiation-induced heating. The performance of the concept and its working mechanism can be explained by ion-electron interactions at the interface between the pyroelectric and ionic thermoelectric materials.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2019. Vol. 29, no 28, article id 1900572
Keywords [en]
heat sensing; ionic thermodiffusion; plasmonic heating; pyroelectric copolymer
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-159730DOI: 10.1002/adfm.201900572ISI: 000478851700007Scopus ID: 2-s2.0-85064476505OAI: oai:DiVA.org:liu-159730DiVA, id: diva2:1343869
Note

Funding Agencies|Swedish Foundation for Strategic Research; Swedish Research Council; AForsk Foundation; Wenner-Gren Foundations; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [200900971]

Available from: 2019-08-19 Created: 2019-08-19 Last updated: 2019-08-26Bibliographically approved

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Shiran Chaharsoughi, MinaZhao, DanCrispin, XavierFabiano, SimoneJonsson, Magnus
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