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\bibitem{Barhoum_etal2017} {\textquotedblleft}\textit{Sol-gel hot injection synthesis of ZnO nanoparticles into a porous silica matrix and reaction mechanism}{\textquotedblright}. Barhoum A, Van Assche G, Rahier H, Fleisch M, Bals S, Delplancked M-P, Leroux F, Bahnemann D, Materials \& design \textbf{119}, 270 (2017).   http://doi.org/10.1016/J.MATDES.2017.01.059

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