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Printable organic electrochemical circuit to record time-temperature history
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-5365-6140
Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry. Linköping University, The Institute of Technology. (Transport and Separations Group)ORCID iD: 0000-0002-2773-5096
Acreo AB.
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2010 (English)In: ELECTROCHIMICA ACTA, ISSN 0013-4686, Vol. 55, no 23, 7061-7066 p.Article in journal (Refereed) Published
Abstract [en]

An electrochemical circuit to record time-temperature history has been realized by using the propagation of over-oxidation fronts in stripes of poly(3,4-ethylenedioxythiopehene) blended with poly(styrenesulfonate) (PEDOT:PSS). The over-oxidation front propagation has been characterized and related to the phase change of polyethylene glycol (PEG) electrolytes. The electrolytes were chosen to have a phase transition in the temperature interval to be monitored, resulting in large conductivity variations and thereby an easily interpreted output. A demonstrator has been fabricated and shown to detect a temperature increase and a following temperature decrease. This very simple device is cheap to produce and could be used to monitor the temperature of packages.

Place, publisher, year, edition, pages
Elsevier Science B.V., Amsterdam. , 2010. Vol. 55, no 23, 7061-7066 p.
Keyword [en]
Over-oxidation, PEDOT:PSS, Temperature, Timer, Polyethylene glycol
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-60252DOI: 10.1016/j.electacta.2010.06.073ISI: 000281994700020OAI: oai:DiVA.org:liu-60252DiVA: diva2:355826
Available from: 2010-10-08 Created: 2010-10-08 Last updated: 2017-02-03

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Tehrani, PaymanEngquist, IsakRobinson, Nathaniel DBerggren, Magnus

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