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Micro porous polymer foil for application in evaporation cooling

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Abstract

A novel bionic cooling system for photo voltaic (PV)-cells based on a micro porous evaporation polymer foils is developed and the cooling mechanism is demonstrated. The foil consists of a two layer permanent resist on a silicon substrate with an evaporation pore diameter of 35 μm. Evaporation rates of the porous cooling area exceed those of bulk water by about three orders of magnitude. A homogeneous cooling effect on the PV front side of 4.2 K at an environment temperature of 55 °C and 45 % RH is proved. The developed fabrication is transferable to large scale mass production.

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Acknowledgments

The authors gratefully acknowledge the financial support from Ziel2.nrw, Ministerium für Wirtschaft, Energie, Industrie, Mittelstand und Handwerk des Landes Nordrhein-Westfalen and Europäische Union-Investition in unsere Zukunft-Europäischer Fonds für regionale Entwicklung. They also would like to thank Temicon GmbH Dortmund, Ulrich Marggraf of the Leibniz-Institut für Analytische Wissenschaften-ISAS-e.V., and Florian Haußmann-Leick for their help, advice and valuable suggestions.

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  1. TU Dortmund, Fakultät für Elektrotechnik und Informationstechnik, Arbeitsgebiet Mikrostrukturtechnik, Dortmund, Germany

    Evelyn Drabiniok & Andreas Neyer

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  1. Evelyn Drabiniok
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  2. Andreas Neyer
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Correspondence to Evelyn Drabiniok.

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Drabiniok, E., Neyer, A. Micro porous polymer foil for application in evaporation cooling. Microsyst Technol 20, 1913–1918 (2014). https://doi.org/10.1007/s00542-013-1983-9

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  • DOI: https://doi.org/10.1007/s00542-013-1983-9

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