Citation: MAO Yulu, ZHANG Xi, XU Mai, WANG Fengwu, WANG Zhicheng, FANG Wenyan, WEI Yijun, ZHU Chuangao. Preparation of Ti/TiO₂ Nanotube Arrays/PbO₂-Pr Electrode and Its Application in Electrocatalytic Degradation of Organic Wastewater[J]. Chinese Journal of Applied Chemistry, ;2018, 35(5): 582-588. doi: 10.11944/j.issn.1000-0518.2018.05.170238 shu

Preparation of Ti/TiO₂ Nanotube Arrays/PbO₂-Pr Electrode and Its Application in Electrocatalytic Degradation of Organic Wastewater

MAO Yulu ^a ,
ZHANG Xi ^b ,
XU Mai ^b ,
WANG Fengwu ^b,, ,
WANG Zhicheng ^a ,
FANG Wenyan ^b ,
WEI Yijun ^b ,
ZHU Chuangao ^b

a.
School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China
b.
School of Chemistry and Chemical Engineering, Huainan Normal University, Huainan, Anhui 232038, China

Corresponding author: WANG Fengwu, fengwuwang@163.com
Received Date: 6 July 2017
Revised Date: 8 August 2017
Accepted Date: 1 September 2017

Fund Project: the National Natural Science Foundation of China 21176099the Natural Science Foundation of the Anhui Higher Education Institutions of China KJ2016A670Supported by the National Natural Science Foundation of China(No.21176099), the Natural Science Foundation of the Anhui Higher Education Institutions of China(No.KJ2017ZD37, No.KJ2016A670)the Natural Science Foundation of the Anhui Higher Education Institutions of China KJ2017ZD37

Figures(7)

A novel Ti/TiO₂ nanotube arrays(NTs)/PbO₂-Pr electrode for the degradation of organic wastewater was fabricated by the pulse electrodeposition method. Pr-doped PbO₂ nanoparticles were deposited on the TiO₂ nanotube array substrate. Cyclic voltammetry(CV) and linear sweep voltammetry(LSV) were utilized to study the electrochemical performance of electrodes. The results demonstrate that Ti/TiO₂NTs/nanoPbO₂-Pr electrodes(P) possess excellent electrocatalytic properties. The morphology, crystallinity and elemental composition of Ti/TiO₂NTs/nanoPbO₂-Pr electrodes were characterized by scanning electron microscopy(SEM), X-ray diffraction(XRD), X-ray photoelectron spectroscopy(XPS). The β-PbO₂ nanoparticles are dispersed inside the TiO₂ nanotubes and the doped Pr exists in the form of Pr₂O₃. The degradation of methylene blue was carried out to test electrocatalytic performance of this novel electrode. A 99.8% removal of methylene blue of Ti/TiO₂NTs/nanoPbO₂-Pr electrode within 120 min indicates its good activity.
- TiO₂ nanotube array,
- pulse electrodeposition,
- lead dioxide electrode,
- electrooxidation
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Preparation of Ti/TiO₂ Nanotube Arrays/PbO₂-Pr Electrode and Its Application in Electrocatalytic Degradation of Organic Wastewater