3 October 2005 A process-line for large area organic solar cells
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Abstract
In this paper we would like to address the key role of fabrication in the performance and lifetime of organic photovoltaics. The realization of a complete process line for the construction of large area organic photovoltaics (250 x 400 mm) is described. Among many of the factors that influence organic solar cell lifetime, oxygen and water exposure is the most important. Multiple processes have to be performed under controlled atmosphere and a glove box (or glove boxes), which involves more volume than commercially available glove boxes, needs to house different instruments. The processes housed in the glove boxes were spin coating, evaporation, lamination/sealing and testing, under an inert atmosphere. The main strategy employed multiply connected glove boxes with one load lock. The first glove box was used for spin coating and lamination/sealing, the second will house a screen printer and the third one accommodate an evaporator completely build in house. The evaporator has 2 thermal evaporation sources and 2 e-beams with 4 and 1 crucibles. The process line should allow the entire device realization from substrate coating, to electrode evaporation including the sealing process avoiding air and water exposure. Organic solar cells from small test cells on ITO glass to big modules (250 x 400 mm) of 91 connected cells on ITO PET substrates were fabricated and characterized.
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Jan Alstrup, Jan Alstrup, Frederik C. Krebs, Frederik C. Krebs, Torben Kjær, Torben Kjær, Matteo Biancardo, Matteo Biancardo, Holger Spanggaard, Holger Spanggaard, "A process-line for large area organic solar cells", Proc. SPIE 5938, Organic Photovoltaics VI, 59380W (3 October 2005); doi: 10.1117/12.613459; https://doi.org/10.1117/12.613459
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