Using Bismuth Vanadate/Copper Oxide Nanocomposite as Photoelectrochemical Sensor for Naproxen Determination in Sewage

Conventional sewage treatment plants are not usually designed to remove emerging contaminants, and this shortcoming leads to the discharge of pharmaceuticals, among other emerging pollutants, into the environment

Thiago M. Prado; Carolina C. Badaró; Rafaela G. Machado; Pedro S. Fadini; Orlando Fatibello‐Filho; Fernando C. Moraes

2020

Key concepts

Scholarcy highlights

  • Conventional sewage treatment plants are not usually designed to remove emerging contaminants, and this shortcoming leads to the discharge of pharmaceuticals, among other emerging pollutants, into the environment
  • The present work reports the development of BiVO4/CuO-based photoelectrochemical sensor for the determination of naproxen in sewage samples
  • The band gap energy of the nanocomposite material was calculated by Tauc plots using the data obtained from diffuse reflectance spectroscopy analysis
  • The sensor responses were found to be proportional to the increase in naproxen concentration in the linear range of 5 nmol L−1 to 480 nmol L−1, R2=0.996, with a limit of detection of 5 nmol L−1
  • The presence of naproxen in sewage samples was successfully determined with recovery percentages above 95 %
  • Any queries should be directed to the corresponding author for the article

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