Emerging Concepts in Carbon Nitride Organic Photocatalysis,ChemPlusChem

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Emerging Concepts in Carbon Nitride Organic Photocatalysis
ChemPlusChem ( IF 3.0 ) Pub Date : 2020-11-05 , DOI: 10.1002/cplu.202000606
Stefano Mazzanti ₁ , Aleksandr Savateev ₁

Affiliation

Carbon nitrides encompass a class of transition‐metal‐free materials possessing numerous advantages such as low cost (few Euros per gram), high chemical stability, broad tunability of redox potentials and optical bandgap, recyclability, and a high absorption coefficient (>10⁵ cm⁻¹), which make them highly attractive for application in photoredox catalysis. In this Review, we classify carbon nitrides based on their unique properties, structure, and redox potentials. We summarize recently emerging concepts in heterogeneous carbon nitride photocatalysis, with an emphasis on the synthesis of organic compounds: 1) Illumination‐Driven Electron Accumulation in Semiconductors and Exploitation (IDEASE); 2) singlet‐triplet intersystem crossing in carbon nitride excited states and related energy transfer; 3) architectures of flow photoreactors; and 4) dual metal/carbon nitride photocatalysis. The objective of this Review is to provide a detailed overview regarding innovative research in carbon nitride photocatalysis focusing on these topics.

中文翻译：

氮化碳有机光催化中的新兴概念

氮化碳包括一类无过渡金属的材料，具有许多优点，例如成本低（几克/克），化学稳定性高，氧化还原电势和光学带隙的可调性广，可回收性以及高吸收系数（> 10 ⁵ 厘米^-1），这使其在光氧化还原催化中具有很高的吸引力。在本综述中，我们根据碳氮化物的独特性能，结构和氧化还原电势对其进行分类。我们总结了近年来在异质氮化碳光催化中出现的新概念，重点是有机化合物的合成：1）半导体和开发中的照明驱动电子积累（IDEASE）；2）碳氮化物激发态的单重态-三重态跨系统穿越和相关的能量转移；3）流动光反应器的结构；4）双金属/碳氮化物光催化。这篇综述的目的是针对这些主题提供有关氮化碳光催化创新研究的详细概述。

更新日期：2020-11-21

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