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(a) C 1s and (e) O 1s XPS spectra for MWCNTs, MWCNTs/SiO2-NP (1.5 atom %) nanocomposites, and MWCNTs/SiO2-NP (5.75 atom %) nanocomposites. Deconvoluted C 1s (b–d) and O 1s (f–h) XPS spectra for MWCNTs, MWCNTs/SiO2-NP (Si-NPs = 1.5 atom %) nanocomposites, and MWCNTs/SiO2-NP (Si-NPs = 5.75 atom %) nanocomposites. (i) Si 2p XPS spectra and (j–l) deconvoluted Si 2p XPS of Si-NPs, MWCNTs/SiO2-NP (Si-NPs = 1.5 atom %) nanocomposites, and MWCNTs/SiO2-NP (Si-NPs = 5.75 atom %) nanocomposites.
