| 分级孔结构g-C3N4光催化剂的制备及性能 |
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| 引用本文： | 陈建军,李永宇,崔天露,史妍,王荣荣,刘新明,刘果,陈可可.分级孔结构g-C3N4光催化剂的制备及性能[J].无机化学学报,2020,36(5):835-840. |
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| 作者姓名： | 陈建军 李永宇 崔天露 史妍 王荣荣 刘新明 刘果 陈可可 |
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| 作者单位： | 郑州师范学院化学化工学院, 郑州 450044,郑州师范学院化学化工学院, 郑州 450044,郑州轻工业大学材料与化学工程学院, 郑州 450002,郑州师范学院化学化工学院, 郑州 450044,郑州师范学院化学化工学院, 郑州 450044,郑州师范学院化学化工学院, 郑州 450044,郑州师范学院化学化工学院, 郑州 450044,郑州师范学院化学化工学院, 郑州 450044 |
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| 基金项目： | 国家自然科学基金（No.21701149）、河南省科技攻关项目（No.182102210563）、郑州师范学院环境催化创新团队（No.702010）、郑州师范学院大学生创新性实验计划（No.DCZ2018006）和郑州师范学院青年骨干教师培养计划（No.201803）资助项目。 |
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| 摘 要： | 以单分散SiO2为模板,通过简单的一步煅烧法制备具有分级孔结构的g-C3N4。与体相g-C3N4相比,分级孔结构的g-C3N4不仅可见光吸收性能和比表面积得到提高,而且更有利于光生电子-空穴的分离。此外,具有分级孔结构的g-C3N4具有明显增强的可见光驱动的光催化产氢活性,当SiO2和二氰二胺质量比为1∶1时,制备所得g-C3N4(C3N4-2)产氢速率几乎是体相g-C3N4的18倍。
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| 关 键 词： | 光催化 氮化碳 分级孔 制氢 |
| 收稿时间： | 2019/11/5 0:00:00 |
| 修稿时间： | 2020/3/6 0:00:00 |
Preparation and Properties of g-C3N4 Photocatalysts with Hierarchical Porous Structure |
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| CHEN Jian-Jun,LI Yong-Yu,CUI Tian-Lu,SHI Yan,WANG Rong-Rong,LIU Xin-Ming,LIU Guo and CHEN Ke-Ke.Preparation and Properties of g-C3N4 Photocatalysts with Hierarchical Porous Structure[J].Chinese Journal of Inorganic Chemistry,2020,36(5):835-840. |
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| Authors: | CHEN Jian-Jun LI Yong-Yu CUI Tian-Lu SHI Yan WANG Rong-Rong LIU Xin-Ming LIU Guo and CHEN Ke-Ke |
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| Institution: | School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China,School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China,Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China,School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China,School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China,School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China,School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China and School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China |
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| Abstract: | g-C3N4 with hierarchical porous structure was synthesized through a simple one-step calcination method by using monodisperse silica as a template. In comparison with the bulk g-C3N4, the hierarchical porous structure of g-C3N4 not only improved the visible light absorption performance and specific surface area, but also facilitated the separation of photogenerated electron-holes. Moreover, g-C3N4 with hierarchical pore structure has significantly enhanced visible light-driven photocatalytic hydrogen production activity. When the mass ratio of SiO2 and dicyandiamine was 1:1, the obtained g-C3N4 (C3N4-2) exhibited obviously enhanced visible-light-driven photocatalytic activity for H2 evolution, and its hydrogen production rate was nearly 18 times that of bulk g-C3N4. |
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| Keywords: | photocatalysis g-C3N4 hierarchical porous hydrogen production |
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