Co-synthesis of CuO-ZnO nanoflowers by low voltage liquid plasma discharge with brass electrode

Transition metal oxides CuO-ZnO nano-flowers have been simultaneously synthesized by the low voltage liquid plasma discharge method using brass cathode. The effects of discharge statue (normal and abnormal glow discharge) on the nanostructures were investigated. It was found that a lower discharge v...

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Bibliographic Details
Published in:Journal of alloys and compounds 2019-01, Vol.773, p.762-769
Main Authors: Li, C.J., Cao, X., Li, W.H., Zhang, B.W., Xiao, L.Q.
Format: Article
Language:English
Subjects:
Chemical synthesis
Copper oxides
CuO-ZnO
Electrocatalysis
Electrochemical discharge
Electrodes
Flowers
Glow discharges
Liquid plasma discharge
Low voltage
Metal oxides
Nano-flowers
Oxidation
Plasma jets
Scanning electron microscopy
Synthesis
Transition metal oxides
Transition metals
X ray photoelectron spectroscopy
Zinc oxide
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Summary:Transition metal oxides CuO-ZnO nano-flowers have been simultaneously synthesized by the low voltage liquid plasma discharge method using brass cathode. The effects of discharge statue (normal and abnormal glow discharge) on the nanostructures were investigated. It was found that a lower discharge voltage 52 V in the normal glow discharge period is beneficial to produce homogeneous nano-flower structures while a higher voltage tend to result in inhomogeneous products including larger particles. The obtained products were characterized by SEM, XRD, high-resolution TEM, Raman and XPS. Moreover, the nano-flowers exhibit a favorable electrocatalytic activity of glucose oxidation. •Brass has been firstly used to synthesize CuO-ZnO nanocomposites by the LPD.•The effects of discharge statue on the nanostructures were investigated.•The product is more uniform with flower-like shape under the lower voltage.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2018.09.250