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Design, fabrication and application of organic power converters: Driving light-emitting electrochemical cells from the AC mains
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2017 (English)In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 45, 57-64 p.Article in journal (Refereed) Published
Abstract [en]

The design, fabrication and operation of a range of functional power converter circuits, based on diode configured organic field-effect transistors as the rectifying unit and capable of transforming a high AC input voltage to a selectable DC voltage, are presented. The converter functionality is demonstrated by selecting and tuning its constituents so that it can effectively drive a low-voltage organic electronic device, a light-emitting electrochemical cell (LEC), when connected to high-voltage AC mains. It is established that the preferred converter circuit for this task comprises an organic full-wave rectifier and a regulation resistor but is void of a smoothing capacitor, and that such a circuit connected to the AC mains (230 V, 50 Hz) successfully can drive an LEC to bright luminance (360 cd m(-2)) and high efficiency (6.4 cd A(-1)).

Place, publisher, year, edition, pages
2017. Vol. 45, 57-64 p.
Keyword [en]
Organic power converters, Diode-configured organic field-effect transistors, Light-emitting electrochemical cells, Solution processing, Organic rectifiers
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Other Medical Biotechnology
Identifiers
URN: urn:nbn:se:umu:diva-136051DOI: 10.1016/j.orgel.2017.02.036ISI: 000401042600008OAI: oai:DiVA.org:umu-136051DiVA: diva2:1112193
Available from: 2017-06-20 Created: 2017-06-20 Last updated: 2017-06-20Bibliographically approved

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Larsen, ChristianEdman, Ludvig
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