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\bibitem{Esken_etal2011} {\textquotedblleft}\textit{ZnO@ZIF-8 : stabilization of quantum confined ZnO nanoparticles by a zinc methylimidazolate framework and their surface structural characterization probed by CO$_{2}$ adsorption}{\textquotedblright}. Esken D, Noei H, Wang Y, Wiktor C, Turner S, Van Tendeloo G, Fischer RA, Journal of materials chemistry \textbf{21}, 5907 (2011).   http://doi.org/10.1039/c1jm10091b

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