Nanostructured Multilayer Composite Films of Manganese Dioxide/Nickel/Copper Sulfide Deposited on Polyethylene Terephthalate Supporting Substrate

Figure 1

SEM micrographs of PEI treated PET film with number of copper sulphide (CuS) coatings: (a) 0, (b) 2, (c) 4, and (d) EDX spectra of CuS/PET film.

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(b)

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(d)