Facile synthesis of highly active fluorinated ultrathin graphitic carbon nitride for photocatalytic H-2 evolution using a novel NaF etching strategy

Liu Yanfei; Wang Junjie; Yin Chaochuang; Duan Huazhen; Kang Shifei; Cui Lifeng

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Facile synthesis of highly active fluorinated ultrathin graphitic carbon nitride for photocatalytic H-2 evolution using a novel NaF etching strategy

机译：采用新型NAF蚀刻策略的光催化H-2演化中高活性氟化超高石墨氮化物的容易合成

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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 m(2) g(-1) and a relatively narrow band gap of 2.60 eV, which enables a 6-fold higher photocatalytic rate of hydrogen evolution.

机译：尽管在光催化研究中已经集中研究了石墨碳氮化物（GCN），但其性能仍然阻碍其固有的低光吸收和低效率的电荷分离。在此，我们报告了一种简单的NAF溶液处理方法，用于产生氟化和碱金属嵌入超薄GCN，其具有丰富的面内孔和暴露的活性边缘，因此具有增强的活性位点。与散装GCN相比，NAF处理的GCN具有较大的比表面积为81.2μm（2）g（-1）和2.60eV的相对较窄的带隙，其能够高出6倍的光催化率的氢气催化速率。

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《RSC Advances》 |2018年第48期|共6页
作者
Liu Yanfei; Wang Junjie; Yin Chaochuang; Duan Huazhen; Kang Shifei; Cui Lifeng;
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作者单位

Univ Shanghai Sci &

Technol Dept Environm Sci &

Engn Shanghai 200093 Peoples R China;

Univ Shanghai Sci &

Technol Dept Environm Sci &

Engn Shanghai 200093 Peoples R China;

Univ Shanghai Sci &

Technol Dept Environm Sci &

Engn Shanghai 200093 Peoples R China;

Shanghai Inst Technol Sch Chem &

Environm Engn Shanghai 201418 Peoples R China;

Univ Shanghai Sci &

Technol Dept Environm Sci &

Engn Shanghai 200093 Peoples R China;

Univ Shanghai Sci &

Technol Dept Environm Sci &

Engn Shanghai 200093 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Facile synthesis of highly active fluorinated ultrathin graphitic carbon nitride for photocatalytic H-2 evolution using a novel NaF etching strategy [J] . Liu Yanfei, Wang Junjie, Yin Chaochuang, RSC Advances . 2018,第48期

机译：采用新型NAF蚀刻策略的光催化H-2演化中高活性氟化超高石墨氮化物的容易合成
2. Facile preparation with high yield of a 3D porous graphitic carbon nitride for dramatically enhanced photocatalytic H-2 evolution under visible light [J] . Luo Bing, Song Rui, Geng Jiafeng, Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications . 2018,第期

机译：在可见光下，具有高产3D多孔石墨碳氮化物的高产率的制备
3. General surface grafting strategy-derived carbon-modified graphitic carbon nitride with largely enhanced visible light photocatalytic H-2 evolution coupled with benzyl alcohol oxidation [J] . Wang Haifei, Zhang Jihua, Jin Xu, Journal of Materials Chemistry, A. Materials for energy and sustainability . 2021,第11期

机译：一般表面接枝策略 - 衍生的碳改性石墨碳氮化物，具有大量增强的可见光光催化H-2求与苄醇氧化
4. Synthesis of metal free ultrathin graphitic carbon nitride sheet for photocatalytic dye degradation of Rhodamine B under visible light irradiation [C] . Shakeelur Rahman, Bilal Momin, Higgins M. W., DAE Solid State Physics Symposium . 2018

机译：可见光照射下罗丹明B光催化染料脱霉素染料的无金属超薄石墨氮化物片的合成
5. A facile synthesis of highly stable modified carbon nanotubes as efficient oxygen reduction reaction catalysts. [D] . Stacy, John M. 2016

机译：轻松合成高度稳定的改性碳纳米管作为有效的氧还原反应催化剂。
6. Highly Efficient Photocatalytic H2 Evolution from Water using VisibleLight and Structure-Controlled Graphitic Carbon Nitride [O] . David James Martin, Kaipei Qiu, Stephen Andrew Shevlin, -1

机译：使用可见光从水中高效释放光催化H2光和结构控制的石墨碳氮化物
7. Ultrathin Graphitic Carbon Nitride Nanosheets for Photocatalytic Hydrogen Evolution [O] . -1

机译：超薄石墨碳氮化物纳米光催化氢气进化

Facile synthesis of highly active fluorinated ultrathin graphitic carbon nitride for photocatalytic H-2 evolution using a novel NaF etching strategy

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