Design,fabrication and application of organic power converters: Driving light-emitting electrochemical cells from the AC mains |
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| Affiliation: | 1. Department of Physics, Umeå University, SE-901 87, Umeå, Sweden;2. Department of Electrical Engineering, Linköping University, SE-581 83, Linköping, Sweden;1. Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510641, China;2. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong Province, 518055, China;1. Universität Heidelberg, Institute for Physical Chemistry, D-69120, Heidelberg, Germany;2. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Materials Science and Engineering, Martensstr. 7, D-91058, Erlangen, Germany;1. Dresden Integrated Center for Applied Physics and Photonic Materials, Technische Universität Dresden, 01062 Dresden, Germany;2. Dresden Center for Nanoanalysis, Center for Advanced Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany;3. Leibniz Institute for Solid State and Material Research Dresden, 01069 Dresden, Germany;1. Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, Republic of Korea;2. Chemistry, Imperial College London, London, SW7 2AZ, United Kingdom;3. Department of Materials Engineering and Convergence Technology and ETI, Gyeongsang National University, Jinju, 660-701, Republic of Korea;4. Department of Polymer Science & Engineering and Department of IT Convergence, Korea National University of Transportation, 50 Daehak-Ro, Chungju, 27469, Republic of Korea;1. College of Communications and Electronics Engineering, Qiqihar University, Heilongjiang, 161006, China;2. Modern Education Technology Center, Qiqihar University, Heilongjiang, 161006, China;3. Department of Physics and Materials Sciences, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;4. Mudanjiang Medical College, Heilongjiang, 157011, China |
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| Abstract: | 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). |
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| Keywords: | Organic power converters Diode-configured organic field-effect transistors Light-emitting electrochemical cells Solution processing Organic rectifiers |
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