Facile synthesis of nanoscaled α-Fe2O3, CuO and CuO/Fe2O3 hybrid oxides and their electrocatalytic and photocatalytic properties

• Autorzy: Lu Pan , Jing Tang , Fengwu Wang
• Języki publikacji: EN

Abstrakty

EN

A facile and easily controlled route was designed to synthesize nano-structured Fe2O3, CuO, and CuO/Fe2O3 hybrid oxides with different Cu/Fe molar ratios via a hydrothermal procedure. The samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR-TEM) and field-emission scanning electron microscopy (FE-SEM). The results showed that the morphologies of the samples changed with different Cu/Fe ratios. The electrocatalytic properties of the samples modified on a glassy carbon electrode for p-nitrophenol reduction in a basic solution were investigated. The results indicated that CuO/Fe2O3 hybrids with lower Cu/Fe ratio exhibited higher electrocatalytic activity. The photocatalytic performances of the samples for methyl orange degradation with assistance of oxydol under irradiation of visible light were studied. The results revealed that CuO/Fe2O3 hybrids with higher Cu/Fe ratio showed efficient photocatalytic activity. [...]

Słowa kluczowe

EN

CuO/Fe2O3 hybrid oxides; Electrocatalysis; Photocatalysis; p-nitrophenol; Methyl orange

• Czasopismo: Open Chemistry
• Rocznik: 2013
• Tom: 11
• Numer: 5
• Strony: 763-773

Daty

wydano

2013-05-01

online

2013-02-27

Twórcy

autor

Lu Pan,

autor

Jing Tang

• Department of Chemistry and Chemical Engineering, Huainan Normal University, Anhui, Huainan, 232001, China

autor

Fengwu Wang

• Department of Chemistry and Chemical Engineering, Huainan Normal University, Anhui, Huainan, 232001, China

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Identyfikatory

DOI

10.2478/s11532-013-0207-6