掺杂氧的结晶氮化碳参与光催化氧化苯甲醇制苯甲醛

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Theoretical and Experimental Chemistry Pub Date : 2025-01-14 DOI:10.1007/s11237-025-09820-4

G. V. Korzhak, A. S. Kutsenko, V. V. Shvalagin, S. Ya. Kuchmiy

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引用次数: 0

摘要

制备了掺杂氧的氮化碳晶体样品，在可见光作用下，氮化碳晶体在苯甲醇氧化制苯甲醛过程中表现出较高的光催化活性。在λirr = 405 nm处，最佳光催化剂参与苯甲醛生成的量子产率可达Φ≈49%，几乎是未掺杂结晶氮化碳时的两倍。由于电子跃迁的n→π*带的出现，这种效应可以在可见光谱范围内更强地吸收光，并且可以更好地分离光生电荷并抑制它们的重组。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Photocatalytic Oxidation of Benzyl Alcohol to Benzaldehyde with the Participation of Crystalline Carbon Nitride Doped with Oxygen

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Photocatalytic Oxidation of Benzyl Alcohol to Benzaldehyde with the Participation of Crystalline Carbon Nitride Doped with Oxygen

Samples of crystalline carbon nitride doped with oxygen were obtained, which exhibit high photocatalytic activity in the oxidation of benzyl alcohol to benzaldehyde under the action of visible light. The quantum yield of benzaldehyde formation with the participation of the optimal photocatalyst can reach Φ ≈ 49% at λ_irr = 405 nm, which is almost twice as high as when using undoped crystalline carbon nitride. This effect can be associated both with more intense absorption of light in the visible range of the spectrum due to the appearance of the n → π* band of the electronic transition, and with a better separation of photogenerated charges and inhibition of their recombination.

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来源期刊

Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.60

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.