Jinyoun Cho, Benedict O'Donnell, Linwei Yu, Ka-Hyun Kim, Irène Ngo and Pere Roca i Cabarrocas Sn-catalyzed silicon nanowire solar cells with 4.9% efficiency grown on glass Progress in Photovoltaics: Research and Applications 21
Using a plasma process to trigger vapor-liquid-solid growth with unconventional metals, we integrate mats of Sn-catalyzed silicon nanowires into hydrogenated amorphous silicon solar cells. These radial PIN junctions show unprecedented open-circuit voltages of 0.8 V and short-circuit current densities of 12.4 mA cm−2. Each cell connects in excess of 10 million wires and is deposited on untextured glass in a single pump down process that shows notable potential for cost reductions.
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