Cu2O/AlZn-LDH Preparation on FTO Electrode Substrate for Enhanced Water Oxidation

Document Type : Research Paper

Authors

1 Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran

2 Department of Chemistry, Faculty of Basic Sciences, Azarbaijan Shahid Madani University, P.O. BOX 53714-161, Tabriz, Iran

3 Department of Chemistry, Payame Noor University, Tabriz center, Iran

Abstract

The electrochemical activity of the Cu2O/AlZn-LDH, deposited on the FTO electrode, was investigated in NaOH (0.1 M) media. The thin film Cu2O/AlZn-LDH was characterized by techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). Based on the obtained results from XRD, Cu2O/AlZn-LDH was prepared in the nanometer size with good crystalline quality. The SEM images were shown the synthesis of a thin film Cu2O/AlZn-LDH nanocomposite on the FTO electrode. The water oxidation results show that Cu2O-Zn/Al-LDH modified FTO electrode is an improved electrocatalyst and has high activity at water oxidation in alkaline media with the onset potential about 0.6 V vs. SCE and overpotential of 380 mV at10 mA/cm. The improved water oxidation activity at Cu2O/AlZn-LDH can be attributed to the good conductivity of the nanocomposite.

Graphical Abstract

Cu2O/AlZn-LDH Preparation on FTO Electrode Substrate for Enhanced Water Oxidation

Keywords


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Volume 5, Issue 2
Autumn and Winter
2021
Pages 239-245
  • Receive Date: 11 July 2021
  • Revise Date: 21 September 2021
  • Accept Date: 26 September 2021