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    Surface mapping of faceted metal oxides by chemical probe-assisted NMR for catalytic applications by Peng, Y

    Published 2017
    “…</p> <p>However, various processing steps and post-treatments used in the preparation of facet-engineered particles may generate different surface active sites which may affect their photocatalysis. Moreover, many traditional techniques (PL, EPR and XPS) used for materials characterization (oxygen vacancy, hydroxyl group, cation…etc.) are not truly surface specific but analyzing a range from surface few layers to bulk. …”
    Thesis
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