Bifacial Low Concentrator Argentum Free Crystalline Silicon Solar Cells Based On ARC Of TCO And Current Collecting Grid Of Copper Wireстатья

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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.

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[1] Bifacial low concentrator argentum free crystalline silicon solar cells based on arc of tco and current collecting grid of copper wire / G. G. Untila, T. N. Kost, A. B. Chebotareva et al. // AIP Conference Proceedings. — 2013. — Vol. 1556. — P. 106–109. Results obtained in frame of an innovative approach for fabrication of the bifacial low concentrator Ag free Cz silicon solar cells based on Indium-Tin-Oxide(ITO)/(p+nn+)Cz-Si/Indium-Fluorine-Oxide (IFO) structure (n-type cell) as well as on IFO/(n+pp+)Cz-Si/ITO structure (p-type cell) are presented in this work. The (p+nn+)Cz-Si and (n+pp+)Cz-Si structures were produced by diffusion of boron and phosphorus from deposited B- and P-containing glasses followed by an etch-back step. The n+ surface of the structures was textured, whereas the p+ surface remained planar. Transparent conducting oxide (TCO) films, which act as passivating and antireflection electrodes, were deposited by ultrasonic spray pyrolysis method on both sides. The contact pattern of copper wire was attached by the lowtemperature (160 oC) lamination method simultaneously to the front and rear TCO layers as well as to the interconnecting ribbons arranged outside the structure. The shadowing from the contacts is in the range of ∼4%. The resulting solar cells showed front/rear efficiencies of 18.6–19.0%/14.9–15.3% (p-type cell) and 17.5–17.9%/16.5–17.0% (n-type cell) respectively at 1–5 suns. Even for 1 sun illumination at 20–50% albedo, similar energy production corresponds to 21.6–26.1% (p-type cell) and 20.8–25.8% (n-type cell) efficiency of a monofacial cell. [ DOI ]

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