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"4.2% efficient organic photovoltaic cells with low series resistances," J. Xue, S. Uchida, B.P. Rand, S.R. Forrest, Appl. Phys. Lett., 84, 3013 (2004).
"4.2% efficient organic photovoltaic cells with low series resistances," J. Xue, S. Uchida, B.P. Rand, S.R. Forrest, Appl. Phys. Lett., 84, 3013 (2004).