Sn-catalyzed silicon nanowire solar cells with 4.9% efficiency grown on glass

Abstract : We present a single pump-down process to texture hydrogenated amorphous silicon solar cells. Mats of p-type crystalline silicon nanowires were grown to lengths of 1 µm on glass covered with flat ZnO using a plasma-assisted Sn-catalyzed vapor-liquid-solid process. The nanowires were covered with conformal layers of intrinsic and n-type hydrogenated amorphous silicon and a sputtered layer of indium tin oxide. Each cell connects in excess of 107 radial junctions over areas of 0.126 cm². Devices reach open-circuit voltages of 0.8 V and short-circuit current densities of 12.4 mA cm−2, matching those of hydrogenated amorphous silicon cells deposited on textured substrates.
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Submitted on : Monday, January 21, 2013 - 3:44:19 PM
Last modification on : Friday, May 24, 2019 - 5:28:50 PM

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Jinyoun Cho, Benedict Odonnell, Lianbo Yu, K.H. Kim, Irène Ngo, et al.. Sn-catalyzed silicon nanowire solar cells with 4.9% efficiency grown on glass. Progress in Photovoltaics, Wiley, 2013, 21 (1), pp.77-81. ⟨10.1002/pip.1245⟩. ⟨hal-00778960⟩

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