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\bibitem{Lizin_etal2012} {\textquotedblleft}\textit{The future of organic photovoltaic solar cells as a direct power source for consumer electronics}{\textquotedblright}. Lizin S, Van Passel S, De Schepper E, Vranken L, Solar Energy Materials And Solar Cells \textbf{103}, 1 (2012).   http://doi.org/10.1016/J.SOLMAT.2012.04.001

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