Fabrication of graphene oxide (GO) wrapped Ti/Co3O4 nanowire photoanode and its superior photoelectrocatalytic performance.

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ID: 94023
2020
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Abstract
Here, we successfully fabricated GO wrapped Ti/Co3O4NWs by electrophoretic deposition (EPD) based on the good dispersibility of GO in aqueous solution. Interestingly, GO can adhere to the surface of Co3O4NWs via ultrathin gossamer-like sheet, and the coverage and wrapping of GO on the surface of Co3O4NWs can be controlled by tuning the electrochemical deposition time and voltage. Our results also demonstrate that GO wrapped Co3O4 NWs had superior photoelectrochemical (PEC) activity for decolorization of dye (reactive brilliant blue KN-R) wastewater, mainly because the introduction of GO can tune oxygen evolution behavior, transportation of reactant and induced carriers, electrochemical active areas, and light-harvesting capability of Co3O4 NWs. Therefore,we anticipate that GO wrapped Ti/Co3O4 NWs could be considered as a promising photoanode for the treatment of organic pollutants in wastewater.
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Authors Ma, Hongchao;Liu, Lu;Zhang, Xinxin;Wang, Guowen;Ma, Chun;Fu, Yinghuan;Dong, Xiaoli;
Journal Nanotechnology
Year 2020
DOI
10.1088/1361-6528/ab7532
URL
Keywords
graphene oxide anthraquinone dye co3o4 nanowires photoelectrocatalysis

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