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<p>Composite photocatalysts based on carbon materials, namely, reduced graphene oxide (rGO) and graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>), were synthesized and studied. The proposed photocatalysts were used for the evolution of H<sub>2</sub> from an aqueous solution of triethanolamine under visible light irradiation. The structural, optical, textural, and photoelectrochemical characteristics of the photocatalysts, as well as their relation to the photocatalytic activity of the samples, were determined. The composite photocatalyst 10 wt.% rGO/g-C<sub>3</sub>N<sub>4</sub> was shown to have a H<sub>2</sub> evolution rate in the range of 4.3–4.6 µmol h<sup>−1</sup> g<sup>−1</sup>, which is more than 4 times higher than the activity of unmodified g-C<sub>3</sub>N<sub>4</sub>.</p>

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Heterostructures based on reduced graphene oxide and graphitic carbon nitride for visible light-induced photocatalytic production of H2

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. V. Zhurenok,
  • A. Yu. Kurenkova,
  • A. E. Zazulya,
  • D. B. Vasilchenko,
  • D. D. Mishchenko,
  • V. A. Lomakina,
  • E. Yu. Gerasimov,
  • D. V. Markovskaya,
  • E. A. Kozlova

摘要

Composite photocatalysts based on carbon materials, namely, reduced graphene oxide (rGO) and graphitic carbon nitride (g-C3N4), were synthesized and studied. The proposed photocatalysts were used for the evolution of H2 from an aqueous solution of triethanolamine under visible light irradiation. The structural, optical, textural, and photoelectrochemical characteristics of the photocatalysts, as well as their relation to the photocatalytic activity of the samples, were determined. The composite photocatalyst 10 wt.% rGO/g-C3N4 was shown to have a H2 evolution rate in the range of 4.3–4.6 µmol h−1 g−1, which is more than 4 times higher than the activity of unmodified g-C3N4.