title: Porous Co₃O₄ nanorods-reduced graphene oxide with intrinsic peroxidase-like activity and catalysis in the degradation of methylene blue.
abstract: A facile two step process was developed for the synthesis of porous Co3O4 nanorods-reduced graphene oxide (PCNG) hybrid materials based on the hydrothermal treatment cobalt acetate tetrahydrate and graphene oxide in a glycerol-water mixed solvent, followed by annealing the intermediate of reduced graphene oxide-supported Co(CO3)0.5(OH)·0.11H2O nanorods in a N2 atmosphere. The morphology and microstructure of the composites were examined by X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and Raman spectroscopy. It is shown that the obtained PCNG have intrinsic peroxidase-like activity. The PCNG are utilized for the catalytic degradation of methylene blue. The good catalytic performance of the composites could be attributed to the synergy between the functions of porous Co3O4 nanorods and reduced graphene oxide.
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China.
authors.forename: Zhe
authors.initials: Z
authors.lastname: Zhang
authors.forename: Jinhui
authors.initials: J
authors.lastname: Hao
authors.forename: Wenshu
authors.initials: W
authors.lastname: Yang
authors.forename: Baoping
authors.initials: B
authors.lastname: Lu
authors.forename: Xi
authors.initials: X
authors.lastname: Ke
authors.forename: Bailin
authors.initials: B
authors.lastname: Zhang
authors.forename: Jilin
authors.initials: J
authors.lastname: Tang
mesh_terms: D002384:Catalysis; D003035:Cobalt / Q000737:chemistry*; D006108:Graphite / Q000737:chemistry*; D008751:Methylene Blue / Q000032:analysis / Q000737:chemistry* / Q000378:metabolism; D043942:Nanotubes / Q000737:chemistry* / Q000648:ultrastructure; D010087:Oxides / Q000737:chemistry*; D009195:Peroxidase / Q000737:chemistry* / Q000378:metabolism; D016062:Porosity; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000737:chemistry / Q000378:metabolism
chemical_list: D010087:Oxides; D014874:Water Pollutants, Chemical; D003035:Cobalt; D006108:Graphite; D009195:Peroxidase; D008751:Methylene Blue; C060728:cobalt oxide