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\bibitem{Simon_etal2012} {\textquotedblleft}\textit{Vertically oriented CuO/ZnO nanorod arrays : from plasma-assisted synthesis to photocatalytic H$_{2}$ production}{\textquotedblright}. Simon Q, Barreca D, Gasparotto A, Maccato C, Montini T, Gombac V, Fornasiero P, Lebedev OI, Turner S, Van Tendeloo G, Journal of materials chemistry \textbf{22}, 11739 (2012).   http://doi.org/10.1039/c2jm31589k

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