We demonstrate wrap-around top metal contacts for radial junction silicon wire solar cells. A thin Ag sheet surrounds the silicon wires close to the planar bottom contacts. A fill factor of 65.4% was obtained, which is higher than that of conventional top contacts made using transparent conductive oxides and metal grids.
S. Shin, J. Jung, K. Park, H. Um, S. Jee, Y. Nam and J. Lee, Energy Environ. Sci., 2013, 6, 1756 DOI: 10.1039/C3EE24494F
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