| 氧掺杂氮化碳纳米片的制备及其光解水制氢性能 |
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| 引用本文： | 祝凯,欧阳杰,刘家满,祝玉鑫,曾黔,崔言娟.氧掺杂氮化碳纳米片的制备及其光解水制氢性能[J].无机化学学报,2019,35(6):1005-1012. |
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| 作者姓名： | 祝凯 欧阳杰 刘家满 祝玉鑫 曾黔 崔言娟 |
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| 作者单位： | 江苏科技大学环境化学工程学院 |
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| 基金项目： | 国家自然科学基金（No.21503096）资助项目。 |
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| 摘 要： | 以草酸为氧源,二聚氰胺和尿素为原料,采用两步热聚合方式合成氧掺杂氮化碳纳米片催化剂(CNO)。利用X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、紫外-可见吸收光谱(UV-Vis)、X射线光电子能谱分析(XPS)、荧光光谱(PL)及电化学测试等技术对催化剂进行结构表征分析。在可见光照射下通过分解水制氢反应对CNO的光催化还原性能进行评价。结果表明,草酸中的O元素通过取代氮化碳三嗪环结构中N原子直接键合到sp~2杂化碳上,形成O掺杂CNO。经O掺杂改性后的氮化碳具有良好的层状堆积结构,可见光吸收性明显提高,同时禁带宽度降低。O掺杂的引入加速了光生电子-空穴对的分离和传输,能大幅度提高氮化碳的光催化分解水制氢性能,在可见光照下达88.6μmol·h~(-1),是未掺杂CN的3.91倍。
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| 关 键 词： | 氮化碳 氧掺杂 光催化 制氢 |
| 收稿时间： | 2019/1/2 0:00:00 |
| 修稿时间： | 2019/3/22 0:00:00 |
Preparation and Photocatalytic Hydrogen Evolution from Water of Oxygen Doped Carbon Nitride Nanosheets |
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| ZHU Kai,OUYANG Jie,LIU Jia-Man,ZHU Yu-Xin,ZENG Qian and CUI Yan-Juan.Preparation and Photocatalytic Hydrogen Evolution from Water of Oxygen Doped Carbon Nitride Nanosheets[J].Chinese Journal of Inorganic Chemistry,2019,35(6):1005-1012. |
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| Authors: | ZHU Kai OUYANG Jie LIU Jia-Man ZHU Yu-Xin ZENG Qian and CUI Yan-Juan |
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| Institution: | School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China,School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China,School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China,School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China,School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China and School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212008, China |
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| Abstract: | |
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| Keywords: | carbon nitride oxygen doping photocatalysis hydrogen generation |
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