One-step synthesis of melem-based supramolecular assemblies and their 
photocatalytic properties

Shvalagin, Vitaliy; Markushyna, Yevheniia; Piankova, Diana V.; Grape, Erik Svensson; Tarakina, Nadezda V.; Savateev, Oleksandr

doi:10.1002/cptc.202400255

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学術論文

One-step synthesis of melem-based supramolecular assemblies and their photocatalytic properties

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Shvalagin, Vitaliy
Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Markushyna, Yevheniia
Aleksandr Savateev, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Piankova, Diana V.
Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Tarakina, Nadezda V.
Nadezda V. Tarakina, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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引用

Shvalagin, V., Markushyna, Y., Piankova, D. V., Grape, E. S., Tarakina, N. V., & Savateev, O. (2025). One-step synthesis of melem-based supramolecular assemblies and their photocatalytic properties. ChemPhotoChem, 9(1):. doi:10.1002/cptc.202400255.

引用: https://hdl.handle.net/21.11116/0000-000F-F5D1-0

要旨

In this work, melem-based supramolecular assemblies were obtained in one step by thermal treatment of melamine in an autoclave in the presence of sodium chloride. The detailed analysis showed that the obtained powder consists of two phases: poorly crystalline Na-PHI flakes and rod-shaped melem hydrate single crystals (several micrometers long and ~300-500 nm wide). Melem hydrate crystals absorb light in the visible range (Eg = 2.7 eV) and demonstrate photocatalytic activity in the reaction of partial oxidation of benzyl alcohol to benzaldehyde by air under visible light with high selectivity for the target product. At 60% conversion of benzyl alcohol, the selectivity of benzaldehyde formation is above 95%.