A New Strategy for the Synthesis of Highly Active Catalysts Based on g-C3N4 for Photocatalytic Production of Hydrogen under Visible Light Full article
| Journal |
Doklady Physical Chemistry
ISSN: 0012-5016 , E-ISSN: 1608-3121 |
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| Output data | Year: 2023, Number: 513, Pages: 167-175 Pages count : 9 DOI: 10.1134/S0012501623700112 | ||
| Tags | g-C3N4, photocatalysis, hydrogen production, visible light | ||
| Authors |
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| Affiliations |
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Funding (1)
| 1 | Russian Science Foundation | 21-13-00314 |
Abstract:
Materials based on graphite-like carbon nitride g-C3N4 were synthesized by heat treatment of a mixture of melamine and urea, and the effect of synthesis conditions on the photocatalytic activity of the samples was studied at various melamine : urea ratios. Platinum (1 wt %) was deposited on the surface of the synthesized g-C3N4 samples as a cocatalyst. The produced photocatalysts were characterized by X-ray powder diffraction analysis, diffuse reflectance UV-Vis spectroscopy, and low-temperature nitrogen adsorption. Photocatalytic activity was determined in the reaction of hydrogen evolution from an aqueous solution of triethanolamine (10 vol %) upon irradiation with visible light (λ = 425 nm). Optimal conditions for the synthesis of the photocatalyst 1% Pt/g-C3N4 were found, which was obtained by calcination of a mixture of melamine and urea (1 : 3) and ensured an H2 evolution rate of 5.0 mmol g–1 h–1 at an apparent quantum efficiency of 2.5%. The developed synthetic approach produces highly active catalysts because, during the synthesis, an intermediate supramolecular complex melamine cyanuric acid is formed, which, upon further heating, is converted into g-C3N4 characterized by a high specific surface area exceeding 100 m2 g–1.
Cite:
Potapenko K.O.
, Cherepanova S.V.
, Kozlova E.A.
A New Strategy for the Synthesis of Highly Active Catalysts Based on g-C3N4 for Photocatalytic Production of Hydrogen under Visible Light
Doklady Physical Chemistry. 2023. N513. P.167-175. DOI: 10.1134/S0012501623700112 WOS Scopus РИНЦ ANCAN OpenAlex
A New Strategy for the Synthesis of Highly Active Catalysts Based on g-C3N4 for Photocatalytic Production of Hydrogen under Visible Light
Doklady Physical Chemistry. 2023. N513. P.167-175. DOI: 10.1134/S0012501623700112 WOS Scopus РИНЦ ANCAN OpenAlex
Original:
Потапенко К.О.
, Черепанова С.В.
, Козлова Е.А.
Новая стратегия синтеза высокоактивных катализаторов на основе g-C3N4 для фотокаталитического получения водорода под действием видимого света
Доклады Российской академии наук. Химия, науки о материалах (Доклады Академии наук до 2019 года). 2023. Т.513. №1. С.109-118. DOI: 10.31857/S2686953523700243 РИНЦ OpenAlex
Новая стратегия синтеза высокоактивных катализаторов на основе g-C3N4 для фотокаталитического получения водорода под действием видимого света
Доклады Российской академии наук. Химия, науки о материалах (Доклады Академии наук до 2019 года). 2023. Т.513. №1. С.109-118. DOI: 10.31857/S2686953523700243 РИНЦ OpenAlex
Dates:
| Submitted: | Jan 10, 2023 |
| Accepted: | Apr 12, 2023 |
Identifiers:
| Web of science: | WOS:001173170600003 |
| Scopus: | 2-s2.0-85186474655 |
| Elibrary: | 63357648 |
| Chemical Abstracts: | 2024:492457 |
| Chemical Abstracts (print): | 186:172209 |
| OpenAlex: | W4392255605 |