Effect of triethanolamine and sodium hydroxide concentration on the activity of Pt/g- C3N4 catalyst in the reaction of photocatalytic hydrogen evolution under visible light irradiation
https://doi.org/10.17586/2220-8054-2023-14-6-713-718
Abstract
In this work, the dependences of the rate of photocatalytic hydrogen evolution under visible light irradiation on the concentration of triethanolamine and sodium hydroxide for 0.1 wt.% Pt/g-C3N4 photocatalyst were studied. The kinetic dependences of the reaction rate versus substrate initial concentration described by the Langmuir–Hinshelwood monomolecular model. Optimal initial conditions for highly efficient hydrogen evolution have been studied. It is shown that under such conditions the catalyst is a stable material in long-term experiments. The maximum rate of hydrogen evolution was 7.2 mmolg-1h-1.
Supporting agencies: This work was supported by the Russian Science Foundation, project No. 21-13-00314. Authors thanks to Dr. D. B. Vasilchenko for the photocatalyst synthesis.
About the Authors
K. O. Potapenko
Boreskov Institute of Catalysis, SB RAS
Russian Federation
Russian Federation
Ksenia O. Potapenko
Novosibirsk, 630090
E. A. Kozlova
Boreskov Institute of Catalysis, SB RAS
Russian Federation
Russian Federation
Ekaterina A. Kozlova
Novosibirsk, 630090
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Review
For citations:
Potapenko K.O., Kozlova E.A. Effect of triethanolamine and sodium hydroxide concentration on the activity of Pt/g- C3N4 catalyst in the reaction of photocatalytic hydrogen evolution under visible light irradiation. Nanosystems: Physics, Chemistry, Mathematics. 2023;14(6):713-718. https://doi.org/10.17586/2220-8054-2023-14-6-713-718
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