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Updated: Sep 23, 2025
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Facile synthesis of highly active fluorinated ultrathin graphitic carbon nitride for photocatalytic H2 evolution
Yanfei Liu1, Junjie Wang1, Chaochuang Yin1
1Department of Environmental Science and Engineering, University of Shanghai for Science and Technology Shanghai 200093 China sfkang@usst.edu.cn lifeng.cui@gmail.com.
Abstract:
Although graphitic carbon nitride (GCN) has been intensively studied in photocatalytic research, its performance is still hindered by its inherently low photo-absorption and inefficient charge separation. Herein, we report a simple NaF solution treating method to produce fluorinated and alkaline metal intercalated ultrathin GCN with abundant in-plane pores and exposed active edges, and therefore an enhanced number of actives sites. Compared to bulk GCN, NaF treated GCN has a larger specific surface area of 81.2 m2 g-1 and a relatively narrow band gap of 2.60 eV, which enables a 6-fold higher photocatalytic rate of hydrogen evolution.
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