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Photoelectrochemical Hydrogen Production by Screen-Printed Copper Oxide Electrodes

Author

Listed:
  • Angela Gondolini

    (Institute of Science and Technology for Ceramics (ISTEC) of the National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy)

  • Nicola Sangiorgi

    (Institute of Science and Technology for Ceramics (ISTEC) of the National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy)

  • Alex Sangiorgi

    (Institute of Science and Technology for Ceramics (ISTEC) of the National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy)

  • Alessandra Sanson

    (Institute of Science and Technology for Ceramics (ISTEC) of the National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy)

Abstract

In this work, copper oxides-based photocathodes for photoelectrochemical cells (PEC) were produced for the first time by screen printing. A total 7 × 10 −3 g/m 2 glycerine trioleate was found as optimum deflocculant amount to assure stable and homogeneous inks, based on CuO nano-powder. The inks were formulated considering different binder amounts and deposited producing films with homogenous thickness, microstructure, and roughness. The as-produced films were thermally treated to obtain Cu 2 O- and Cu 2 O/CuO-based electrodes. The increased porosity obtained by adding higher amounts of binder in the ink positively affected the electron transfer from the surface of the electrode to the electrolyte, thus increasing the corresponding photocurrent values. Moreover, the Cu 2 O/CuO system showed a higher charge carrier and photocurrent density than the Cu 2 O-based one. The mixed Cu 2 O/CuO films allowed the most significant hydrogen production, especially in slightly acid reaction conditions.

Suggested Citation

  • Angela Gondolini & Nicola Sangiorgi & Alex Sangiorgi & Alessandra Sanson, 2021. "Photoelectrochemical Hydrogen Production by Screen-Printed Copper Oxide Electrodes," Energies, MDPI, vol. 14(10), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2942-:d:557769
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    References listed on IDEAS

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    1. Saraswat, Sushil Kumar & Rodene, Dylan D. & Gupta, Ram B., 2018. "Recent advancements in semiconductor materials for photoelectrochemical water splitting for hydrogen production using visible light," Renewable and Sustainable Energy Reviews, Elsevier, vol. 89(C), pages 228-248.
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    Cited by:

    1. Mamy Diaby & Asma Alimi & Afrah Bardaoui & Diogo M. F. Santos & Radhaoune Chtourou & Ibtissem Ben Assaker, 2023. "Correlation between the Experimental and Theoretical Photoelectrochemical Response of a WO 3 Electrode for Efficient Water Splitting through the Implementation of an Artificial Neural Network," Sustainability, MDPI, vol. 15(15), pages 1-24, July.

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