Figure 3

(i) The wide-scan X-ray photoelectron spectra (XPS) of various films. (ii) The XPS spectra of the C1s region of the nNiO-MWCNT film after deconvolution; (iii) the C1s region of the ChEt-ChOx/nNiO-MWCNT/ITO film; and (iv) the N1s core-level spectra of the ChEt-ChOx/nNiO-MWCNT/ITO film.