Chemically vaporized cobalt incorporated wurtzite as photoanodes for efficient photoelectrochemical water splitting

Humaira Rashid Khan, Muhammad Aamir, Mohammad Azad Malik, Asif Ali Tahir, Bilal Akram, Ghulam Murtaza, Muhammad Aziz Choudhary, Javeed Akhtar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The development of low-cost, durable and efficient photocatalyst for overall photoelectrochemical water splitting is in demand to overcome the renewable energy crises. Herein, we demonstrate the efficient photoelectrochemical water splitting by cobalt (Co) incorporated zinc oxide (Zn1-xCoxO) thin films deposited via aerosol assisted chemical vapour deposition (AACVD) technique. The as-deposited Co incorporated ZnO thin films were characterised by powdered X-ray diffraction (pXRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM) and ultra violet-visible spectroscopy (UV-Vis). These films with different concentration of cobalt were investigated for water splitting applications and the best results were achieved for the films with 15% Co incorporation.

Original languageEnglish
Pages (from-to)223-229
Number of pages7
JournalMaterials science in semiconductor processing
Volume101
Early online date15 Jun 2019
DOIs
Publication statusPublished - 1 Oct 2019

Keywords

  • AACVD
  • PEC
  • Thin films
  • Water splitting
  • ZnO

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