Large‐Scale Synthesis of a New Polymeric Carbon Nitride—C3N3 with Good Photoelectrochemical Performance,Advanced Functional Materials

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Large‐Scale Synthesis of a New Polymeric Carbon Nitride—C3N3 with Good Photoelectrochemical Performance
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2020-04-09 , DOI: 10.1002/adfm.202001502
Jiaxin Feng ₁ , Ming Li ₁

Affiliation

Polymeric carbon nitride (PCN) has been extensively researched in recent years. This research has mainly focussed on C₃N₄ because types of PCN are quite limited and other types are not easily synthesized. Therefore developing new types of easily‐synthesized PCN beyond C₃N₄ offers new opportunities. C₃N₃ has been predicted but it has not been successfully synthesized before. Herein it is prepared in large scale from cheap cyanuric chloride on a copper surface under nonvacuum conditions. The C₃N₃ has a good photoelectrochemical (PEC) activity for water splitting and can be exfoliated to 2D polymeric films. This breakthrough work not only enlarges the family of PCN, but also opens the door for large‐scale synthesis of other similar C–C bonded 2D conjugated polymers based on Ullmann polymerization. Similar to graphene and C₃N₄, follow‐up research related to this C₃N₃ in different fields may emerge in the near future.

中文翻译：

大规模合成具有良好光电化学性能的新型聚合氮化碳C3N3

近年来，对聚合氮化碳（PCN）进行了广泛的研究。这项研究主要集中在C ₃ N _4上，因为PCN的类型非常有限，而其他类型不容易合成。因此，开发超越C ₃ N _4的新型易于合成的PCN提供了新的机遇。已经预测了C ₃ N _3，但是之前尚未成功合成。在此，它是在非真空条件下从铜表面上的廉价氰尿酰氯大规模制备的。C ₃ N ₃具有良好的光电化学（PEC）分解水活性，可以剥离成2D聚合物膜。这项突破性的工作不仅扩大了PCN的种类，而且还为大规模合成基于Ullmann聚合的其他类似的C–C键合2D共轭聚合物打开了大门。类似石墨烯和C ₃ ñ ₄，与该C随访研究₃ ñ ₃在不同的领域可能会在不久的将来出现。

更新日期：2020-04-09

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