Abstract
ZnO-nanostructured films were obtained by electrodeposition in the presence of varying content of graphene oxide (GO) in reduced (rGO) and non-reduced state. The hybridized ZnO nanostructures were studied by X-ray diffraction measurements, scanning electron microscopy, atomic force microscopy and Raman spectroscopy and transmittance measurements. The results showed the ZnO structure and morphology are markedly influenced by graphene state (GO/rGO) and content. The photocatalytic tests indicated the ability of electrodeposited ZnO-nanostructured films to photodegrade methylene blue depends on the morphology and structure characteristics induced by both on oxygen content and sp2 recovery of carbon network in the rGO, upon a fine tuning of the rGO content in the deposited films. The obtained results demonstrate the electrodeposition as a viable approach for tuning the properties of ZnO complex structures for improved performance in various fields of application such as photocatalysis or optoelectronics.
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The work described in this paper was partially supported by Romanian National Authority for Scientific Research and Innovation, CNCS–UEFISCDI (Project number PN-II-RU-TE-2014-4-0806).
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Pruna, A., Cembrero, J., Pullini, D. et al. Effect of reduced graphene oxide on photocatalytic properties of electrodeposited ZnO. Appl. Phys. A 123, 792 (2017). https://doi.org/10.1007/s00339-017-1424-1
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DOI: https://doi.org/10.1007/s00339-017-1424-1