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\bibitem{Liao_etal2018} {\textquotedblleft}\textit{TiO2 Films Modified with Au Nanoclusters as Self-Cleaning Surfaces under Visible Light}{\textquotedblright}. Liao T-W, Verbruggen S, Claes N, Yadav A, Grandjean D, Bals S, Lievens P, Nanomaterials \textbf{8}, 30 (2018).   http://doi.org/10.3390/nano8010030

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