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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
XPS spectra of the AZB nanocomposite. (a) Survey spectrum illustrating the presence of constituent elements in the analyzed sample. (b) Zn 2p peaks. (c) Gaussian-fitted curves obtained for the Zn 3p and Au 4f peaks. (d) P 2p core peaks.