In this section, you can access to the latest technical information related to the FUTURE project topic.

Effect of conjugation degree and delocalized ?-system on the photocatalytic activity of single layer g-C3N4

Single layer g-C3N4 could be obtained from a protonic acid treatment of g-C3N4 or a new sandwich-like orientation growth of melamine. Through the self-assembly of melamine and polyacrylamide by hydrogen bonds and electrostatic interactions, g-C3N4, with extended planarized atomic single layer, exhibits superiority in both photocatalytic hydrogen evolution and photocatalytic degradation under visible light irradiation. Besides low efficiency, the acid exfoliation will destroy the delocalized ?-system by inducing O atoms. The decrease of conjugation degree increases the optical gaps, making it hard for g-C3N4 to capture photons. On the contrary, the facile sandwich-like orientation growth of melamine highly keeps the conjugation degree of g-C3N4 and extends its delocalized ?-system. Such single layer g-C3N4 is more active even better than N-doped TiO2 under visible light irradiation.

» Author: Anye Shi, Huihui Li, Shu Yin, Bin Liu, Jiachi Zhang, Yuhua Wang

» Reference: Applied Catalysis B: Environmental, Volume 218

» Publication Date: 05/12/2017

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